28.314 Ofertas de Backend en España

Softtek es un socio global de ingeniería de software que impulsa el progreso de las compañías. Desde hace más de 40 años, hemos ayudado a nuestros clientes a desarrollar, implementar y gestionar tecnología que mejora la vida de las personas.

Con presencia en más de 20 países y más de 16,000 softtekians en todo el mundo, en Softtek estamos en constante crecimiento. En España, te ofrecemos la oportunidad de unirte a nuestra comunidad en ubicaciones como Albacete, Asturias, Ávila, Barcelona, Córdoba, Coruña, Madrid, Narón, Segovia o Zaragoza, donde podrás desarrollar tu carrera dentro de un modelo híbrido y flexible.

En 2025, hemos sido reconocidos en la Lista Forbes como una de las 100 mejores empresas para trabajar en España, destacando por nuestra flexibilidad y personalización en la experiencia del empleado. Creemos en el poder de las habilidades diversas y la la iniciativa personal para lograr cosas asombrosas, y valoramos el talento único de cada persona para contribuir al crecimiento y diversidad de nuestro equipo. ¿Nos acompañas en esta aventura? #FutureTogether

¿Qué buscamos?

Buscamos un/a Software Engineer backend para trabajar en el sector bancario.

Requisitos:

• Fuerte experiencia en servicios de AWS Cloud, incluyendo, pero no limitado a, Lambda, API Gateway, Bedrock, DynamoDB, S3, SageMaker, IAM con un enfoque en cargas de trabajo de GenAI.
• Fuerte experiencia en programación en Python para construir, desplegar y gestionar componentes reutilizables de GenAI, incluyendo la integración con servicios de AWS y pruebas unitarias.
• Fuerte experiencia con Terraform para la provisión y gestión de infraestructura en AWS, asegurando despliegues escalables, seguros y rentables.
• Sólido entendimiento de pipelines de CI/CD usando GitHub Actions, incluyendo la automatización de pruebas, despliegue y monitoreo de flujos de trabajo para componentes de GenAI
• Nivel de inglés C1 (mínimo)

Conoce nuestra propuesta de valor

Contrato indefinido.

Modelo híbrido: Súmate a nuestro modelo Softtek 56 , que se adaptada a las circunstancias de cada Softtekian y en donde podrás conectar y desarrollarte con nuestros equipos en las diferentes sedes 56 horas al mes y disfruta de teletrabajo el resto del tiempo .

Conciliación: Horario flexible y el programa BetterWork que apoya el equilibrio entre tu vida personal y profesional.

️24 días de vacaciones

Overview

Direct message the job poster from Xebia

For more than 20 years, our global network of passionate technologists and pioneering craftspeople has delivered cutting-edge technology and game-changing consulting to companies on the brink of AI driven digital transformation. Since 2001, we have grown into a full service digital consulting company with 5500+ professionals working on a worldwide ambition. Driven by the desire to make a difference, we keep innovating. Fuelling the growth of our company with our knowledge worker culture. When teaming up with Xebia, expect in-depth expertise based on an authentic, value-led, and high quality way of working that inspires all we do.

At Xebia, we put ‘People First’—committed to attracting diverse talent and fostering an inclusive, respectful workplace where everyone is valued for their contributions. We welcome all individuals and evaluate solely on the quality of their work and teamwork.

About the role

We are searching for middle and senior Software Engineers, specialized in backend application development with expertise in artificial intelligence and machine learning to join our team. This role combines deep technical software engineering skills with specialized knowledge in AI / ML technologies to design, develop, and deploy intelligent systems at scale.

Key Responsibilities

• Write clean, scalable, and maintainable code following software engineering best practices, including automated test suites and comprehensive documentation.
• Develop Python web application backends that provide AI Agent and AI workflow functionalities.
• Scale web applications using cloud infrastructure.
• Develop, measure, and monitor key metrics for all tools and services, consistently seeking to iterate on and improve them.
• Participate in code reviews, continuously improving personal standards as well as broader team and product quality.
• Collaborate with other technical staff and data engineers within the team and across allied teams to build end-to-end pipelines consuming other data products.

Required Qualifications

• Proficiency in Python (3+ years python backend development) with unit testing experience (e.g., pytest).
• Cloud experience including core web application infrastructure in at least one major cloud provider (GCP preferred).
• Knowledge and demonstrable experience with containerization (Docker, Kubernetes) and orchestration tools.
• Knowledge of agile practices and ability to perform in agile software development environments.

Qualifications - nice to have

• Demonstrated experience in Python backend development, including API design experience (FastAPI).
• Familiarity with AI / ML technologies and Agentic AI.
• GCP experience (Cloud Run, Vertex AI, GKE, etc.).
• Experience (1+ years) developing and deploying Agentic AI workflows and applications; experience with AI frameworks like LangChain, LangGraph, or similar agentic frameworks.
• Experience deploying AI / ML models into production and managing AI / ML model lifecycles.
• Familiarity with version control systems and CI / CD pipelines.
• Experience with Infrastructure as Code (Terraform).
• Experience with Kubernetes or job scheduling systems would be a significant advantage.
• Familiarity with microservices and hexagonal architectures would be a plus.
• Strong soft skills including problem-solving, communication, ability to work in ambiguous environments, and experience working on R&D projects.

Seniority level

Mid-Senior level

Employment type

Full-time

Industries

IT Services and IT Consulting

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About us

For more than 20 years, our global network of passionate technologists and pioneering craftspeople has delivered cutting-edge technology and game-changing consulting to companies on the brink of AI driven digital transformation. Since 2001, we have grown into a full service digital consulting company with 5500+ professionals working on a worldwide ambition. Driven by the desire to make a difference, we keep innovating. Fuelling the growth of our company with our knowledge worker culture. When teaming up with Xebia, expect in-depth expertise based on an authentic, value-led, and high quality way of working that inspires all we do.

At Xebia, we put ‘People First’—committed to attracting diverse talent and fostering an inclusive, respectful workplace where everyone is valued for their contributions. We welcome all individuals and evaluate solely on the quality of their work and teamwork.

About the role :

We are searching for middle and senior Software Engineers, specialized in backend application development with expertise in artificial intelligence and machine learning to join our team. This role combines deep technical software engineering skills with specialized knowledge in AI / ML technologies to design, develop, and deploy intelligent systems at scale.

Key Responsibilities :

• Write clean, scalable, and maintainable code following software engineering best practices, including automated test suites and comprehensive documentation.
• Develop Python web application backends that provide AI Agent and AI workflow functionalities.
• Scale web applications using cloud infrastructure.
• Develop, measure, and monitor key metrics for all tools and services, consistently seeking to iterate on and improve them.
• Participate in code reviews, continuously improving personal standards as well as broader team and product quality.
• Collaborate with other technical staff and data engineers within the team and across allied teams to build end-to-end pipelines consuming other data products.

Required Qualifications :

Proficiency in Python (3+ years python backend development) with unit testing experience (e.g., pytest).

Cloud experience including core web application infrastructure in at least one major cloud provider (GCP preferred).

Knowledge and demonstrable experience with containerization (Docker, Kubernetes) and orchestration tools.

Knowledge of agile practices and ability to perform in agile software development environments.

Qualifications - nice to have :

Demonstrated experience in Python backend development, including API design experience (FastAPI).

Familiarity with AI / ML technologies and Agentic AI.

GCP experience (Cloud Run, Vertex AI, GKE, etc.).

Experience (1+ years) developing and deploying Agentic AI workflows and applications; experience with AI frameworks like LangChain, LangGraph, or similar agentic frameworks.

Experience deploying AI / ML models into production and managing AI / ML model lifecycles.

Familiarity with version control systems and CI / CD pipelines.

Experience with Infrastructure as Code (Terraform).

Experience with Kubernetes or job scheduling systems would be a significant advantage.

Familiarity with microservices and hexagonal architectures would be a plus.

Strong soft skills including problem-solving, communication, ability to work in ambiguous environments, and experience working on R&D projects.

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Role Summary

As a Backend Developer, you will be a core contributor to our agile and fast-paced Money Movement engineering team. You will have the opportunity to design and implement scalable backend systems that power our core applications and services. Your work will play a critical role in solving complex technical challenges—whether it's architecting new APIs, optimizing system performance, building secure data workflows, or integrating third-party services. You'll collaborate closely with product managers, frontend developers, and DevOps engineers to drive innovation, ensure reliability, and support the rapid growth of our platform.

Location : Madrid

Hybrid

Full-time

What You'll Do :

1. Take a leadership role in achieving team goals, contributing to the overall design, architecture, development, quality, and production deployment of the team's systems.
2. Design and implement robust, scalable, and maintainable backend solutions for complex scenarios, ensuring high-quality results that may be consumed by other teams.
3. Collaborate effectively within your team and with cross-functional partners such as Product Design / UX, DevOps, and other R&D teams, representing your team as needed.
4. Maintain and improve the team's engineering practices, suggesting and implementing technology patterns or process enhancements.
5. Proactively identify areas of improvement in team systems, processes, and scalability.
6. Lead by example in code quality, contributing significantly to code reviews and acting as a focal point for engineering excellence questions.
7. Help monitor production systems, investigate potential issues, and lead efforts to resolve critical production challenges while maintaining a customer-centric approach.

Who You Are :

1. 3-5 years in backend software engineering roles with demonstrated ability to navigate technical trade-offs and ambiguity effectively.
2. Proficiency in C#, Java, or similar object-oriented languages.
3. Expertise in SQL and database management.
4. Strong knowledge of data structures and algorithms.
5. Experience with microservices architecture.
6. Experience in designing new functionality for existing complex components while maintaining scalability and performance.
7. Ability to collaborate effectively and communicate technical concepts to diverse stakeholders.
8. BA / BSc in Computer Science, Software Engineering, or equivalent experience.

Not a Must but a Great Advantage

• Experience with Microservices apps
• Experience in building SaaS platforms in a cloud environment
• Experience with distributed development and understanding how to make systems scale
• Experience with non-relational databases like MongoDB or others

Employment Type : Full Time

Experience : years

Vacancy : 1

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Job Description

Software Engineer – Cargo, Capacity & Container Management.

Maersk is going through times of unprecedented change. From the farm to your refrigerator, or the factory to your wardrobe, we are developing solutions that meet customer needs from one end of the supply chain to the other. Intelligent software solutions are taking center stage in enabling our customers to trade globally. Operating on a global scale means that even small efficiency improvements can have a huge and positive impact on our competitiveness, customer satisfaction, and environmental footprint.

Join one of the world's largest container shipping companies and help us shape the future of logistics through technology. You will be part of a global technology organization consisting of several thousand talented colleagues, with vast opportunities for professional growth, and plenty of hard but exciting problems to tackle along the way.

We offer

You will be part of the Transported by Maersk (TbM) Ocean platform focused on streamlining, optimizing, and automating container operations via advanced software solutions. This role is in the Cargo, Capacity and Container Management team, where you will play a critical role in optimizing the use of cargo space, managing the capacity of the vessels, and ensuring the efficient use of the equipment.

As a Software Engineer you will take part in designing and implementing high value software products for our business. You will be part of a strong engineering team working together to build highly resilient, available, performant, and maintainable software. There are a lot of challenging and interesting problems ahead, and through close collaboration with your team and relevant stakeholders you will be a key part of that journey.

The TbM Ocean platform is a geographically distributed initiative, with engineering teams in Denmark (Copenhagen), Spain (Algeciras), and India (Bangalore, Pune), and end users and stakeholders situated all over the globe.

We offer an exciting and attractive career in an ambitious and competitive environment, with the possibility of continuous professional and personal development.

How We Work

The TbM Ocean platform consists of several cross-functional engineering teams, each tackling a different problem within our business domain. Scrum is our methodology of choice, and we seek to continuously refine our process to suit our needs.

We strive to empower each team with as much autonomy as possible, but don’t shy away from cross team alignment when it adds value. We feel accountable for our work and are not afraid to take on the full DevOps responsibility for what we build. Our work culture is informal with collaboration at its center, and we believe that giving everyone a chance to be heard is the best way to achieve great results.

We utilize a diverse set of technologies across the platform and architect our applications for the cloud. Your team is using C#/.NET as their programming language of choice, but you will be exposed to many other interesting technologies along the way. We have an AI-first mindset, enabling us to build and scale products leveraging AI.

Key Responsibilities

• Use your technical insight to create great quality software products, with a continuous focus on both business value and technical sustainability (incl. maintainability, reliability, performance, and availability).
• Drive features through to completion and take responsibility for the value we deliver.
• Work with your team and relevant stakeholders to find the right solutions to the right problems.
• Promote an agile mindset and good software practices within your team.
• Identify, evaluate, and integrate leading AI technologies and platforms to build comprehensive and high-impact solutions.
• Flexibility to provide major incident system support through on-call shifts, ensuring smooth operations even outside regular working hours
• Continuously stay up to date on relevant technologies and use this knowledge to push the team forward.
  
  

We are looking for

• A highly motivated software engineer with experience in C#, .NET, and Microsoft Azure.
• AI-first mindset, actively seeking opportunities to incorporate AI into various aspects of the software, from user interfaces to tooling and backend processes.
• A good understanding of software architecture and technical design.
• Knowledgeable in design patterns and secure coding best practices.
• Strong troubleshooting, debugging, and analytical skills
• A great team player and a strong collaborator.
  
  

As a performance-oriented company, we strive to always recruit the best person for the job - regardless of gender, age, nationality, sexual orientation or religious beliefs. We are proud of our diversity and see it as a genuine source of strength for building high performing teams.

Maersk is committed to a diverse and inclusive workplace, and we embrace different styles of thinking. Maersk is an equal opportunities employer and welcomes applicants without regard to race, colour, gender, sex, age, religion, creed, national origin, ancestry, citizenship, marital status, sexual orientation, physical or mental disability, medical condition, pregnancy or parental leave, veteran status, gender identity, genetic information, or any other characteristic protected by applicable law. We will consider qualified applicants with criminal histories in a manner consistent with all legal requirements.

We are happy to support your need for any adjustments during the application and hiring process. If you need special assistance or an accommodation to use our website, apply for a position, or to perform a job, please contact us by emailing

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Job Title: Software Engineer, Backend
Location: Spain/UK (Remote)

About vLex

vLex is a global provider of legal intelligence and research solutions, offering access to one of the world's largest collections of legal information, including case law, legislation, regulations, and secondary sources. Leveraging cutting-edge artificial intelligence (AI) and data analytics, vLex empowers law firms, corporations, academic institutions, and government agencies with smarter, faster, and more comprehensive legal research tools. With a presence across multiple jurisdictions, vLex seamlessly integrates international and local legal content, providing users with real-time insights and AI-driven legal research capabilities to enhance decision-making and streamline workflows

About the Role

We are looking for innovative developers, with 3-5 years of experience, to build cutting-edge products that leverage machine learning and large language models. You'll work with Python, AWS, LLMS (GPT, Claude 3, Mixtral, etc) to create robust, scalable solutions that push boundaries. This is a chance to play a key role in developing technology that shapes the future while working in a fast-paced, collaborative environment focused on rapid iteration.

We rely on AWS to handle infrastructure so we can concentrate on creating truly remarkable products powered by the latest advancements in AI. If you're a talented developer eager to work with some of today's most exciting tech, this is the team for you!

Tech Stack: We build our products using Python and Java, enabling robust and performant code leveraging VespaAI's machine learning capabilities. Our tech stack runs on AWS, allowing us to focus on rapid iteration while relying on AWS for security, availability and scalability. vLex also takes advantage of the latest LLM technologies from OpenAI and Anthropic to develop class leading products and services.

Key Responsibilities

• Develop and productionise scalable systems using tools like Python, Flask, etc.
• Refine and review requirements from customers into real-world solutions that solve customer problems
• Work closely with business leaders, engineers and content teams to identify and execute high-impact AI products and services
• Implement robust monitoring, testing, auditing and other controls for quality
• Follow model and data governance, ethics and compliance best practices

Qualifications & Experience

• BS/MS in Computer Science, Maths or related technical field
• 3+ years building commercial or research ML applications
• Ability to translate business needs into ML solutions
• Comfortable organising and analysing complex data
• Fluent in Python and familiar with unit testing.
• Familiar with version control (git, graphite)
• Experience using Docker

What We Offer

• Competitive salary and benefits.
• Flexible working arrangements with remote options.
• Professional development opportunities and continuous learning.
• Opportunity to shape the future of a growing global company.
• Work with cutting-edge technologies in the legal AI space.
• International work environment with exposure to global markets.

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Join CGI!

Do you want to be part of one of the five largest IT and business consulting firms in the world?

Backend Software Engineer

Your Mission:

• Innovate with Cutting-edge Technologies: Lead an exciting new project.
• Showcase Your Back-End Expertise: Apply your skills to enhance and develop robust, scalable back-end systems.
• Collaborate Globally: Work with a diverse, international team to meet and exceed client expectations.
• Grow Continuously: Enhance your skills in a dynamic, fun, and professional environment.
  
  

️ What We’re Looking For:

• Experience: Proven success as a Software Engineer.
• Technical Mastery:
• Core Skills: Spring Boot, Java, Kotlin.
• Supplementary Knowledge: Git, Bash.
• Methodical Skills: Proficient in Scrum, Kanban, and DevOps practices.
• CI/CD Expertise: Knowledge of pipeline tools, setup, and operation.
• Cloud Proficiency: Hands-on experience with Azure.
• Testing Practices: Familiar with JUnit and SpringContracts.
• Language Skills: Fluent in English and Spanish.
  
  

Based in Spain

CGI Offers:

• Permanent Contract
• Competitive Salary Based on Experience
• Remote Work Options
• Flexible Compensation (childcare vouchers, meal vouchers, transport card.)
• Company Stock Purchase Plan
• Training and Development in Various Technologies
• Exclusive Benefits as a CGI Member
• Excellent Work Environment
• Life and Accident Insurance
  
  

If you're a proactive professional eager to keep learning and growing in a dynamic and fast-growing company. this is your chance!

At CGI, we’re waiting for you!

Your future duties and responsibilities

Required Qualifications To Be Successful In This Role

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

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Social network you want to login/join with:

Our Engagement Product Development team in Malaga is growing and we are now looking for a Backend Software Engineer to join! Engagement at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond the game play featuring Tournaments, Dynamic personalized campaigns and much more!

You will be part of preparing our journey to containerization, increasing the scalability of our systems while also maintaining their high quality. To accommodate new requirements, we are constantly re-evaluating our systems design and working on exciting new features.

The Role

Our Engagement Product Development team in Malaga is growing and we are now looking for a Backend Software Engineer to join! Engagement at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond the game play featuring Tournaments, Dynamic personalized campaigns and much more!

You will be part of preparing our journey to containerization, increasing the scalability of our systems while also maintaining their high quality. To accommodate new requirements, we are constantly re-evaluating our systems design and working on exciting new features.

What you'll do

• Design and develop distributed backend servicesusing .NET and event-driven architecture.
• Collaborate with product and commercial teamsto turn engagement ideas into scalable, maintainable, and user-friendly solutions.
• Optimize our microservice ecosystemfor performance, reliability, and observability.
• Drive our containerization and cloud migration strategy forward.
• Participate in architecture discussionsand help shape technical decisions.
  • For senior engineers Lead architectural decisions and proactively identify areas for improvement.
• Write maintainable, well-tested codeand conduct code reviews.
• Participate in incident resolution and the team’s on-call rotation.
• Maintain clear technical documentationsuch as ADRs, runbooks, and guidelines.
• Build and share your domain expertisewithin the team.

What Tech Stack you'll be working with

We don’t expect you to know everything listed below – but the more you’re familiar with, the better. What matters most is your ability to learn, collaborate, and write high-quality, maintainable code.

Core Technologies

These are essential to the role, and we’re looking for solid experience here – especially for senior candidates.

• Languages & Frameworks C#, .NET (modern versions after .NET Core)
• Databases SQL Server, PostgreSQL, Redis, Couchbase(experience with relational or document databases, including indexing and query optimization, is a strong plus)
• Cloud & Containers AWS, Kubernetes, Docker(experience with any major cloud provider or containerization platform is valuable)
• Testing & Quality xUnit/NUnit, mocking frameworks, k6 for load testing(understanding of unit, integration, and performance testing is more important than specific tools)

Additional Tools & Practices

Familiarity with these of similar tools and concepts is a plus.

• Messaging & Microservices Web APIs, Apache Kafka, RabbitMQ, Orleans(experience with any messaging or actor-based system is valuable)
• Observability Prometheus, Grafana, Loki, Splunk(or experience with other observability stacks)
• CI/CD GitHub Actions, trunk-based development, progressive delivery(familiarity with continuous delivery pipelines and deployment strategies is more important than specific tooling)
• Architecture Domain-driven design, event sourcing, actor model, distributed systems at planet-scale
• Ways of Working Agile and Lean principles, DevOps mindset, strong collaboration

What we offer

We can offer you an environment full of ambition and passion. One day is never like the other as the only constant is change, to the better, to the greater. We strive to be the best in whatever field we choose to play on, and we make sure to have fun along the way!

• A friendly, open and humble working environment, where you will have the chance to work alongside with colleagues from all over the world
• A chance to evolve your skills together with your colleagues with various programs and initiatives
• Personal development through courses, in-house training and external certification
• Freedom with responsibility

Challenge accepted?

By submitting your application, you understand that your personal data will be processed as set out in our Privacy Policy

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Softtek es un socio global de ingeniería de software que impulsa el progreso de las compañías. Desde hace más de 40 años, hemos ayudado a nuestros clientes a desarrollar, implementar y gestionar tecnología que mejora la vida de las personas.

Con presencia en más de 20 países y más de 16,000 softtekians en todo el mundo, en Softtek estamos en constante crecimiento. En España, te ofrecemos la oportunidad de unirte a nuestra comunidad en ubicaciones como Albacete, Asturias, Ávila, Barcelona, Córdoba, Coruña, Madrid, Narón, Segovia o Zaragoza, donde podrás desarrollar tu carrera dentro de un modelo híbrido y flexible.

En 2025, hemos sido reconocidos en la Lista Forbes como una de las 100 mejores empresas para trabajar en España, destacando por nuestra flexibilidad y personalización en la experiencia del empleado. Creemos en el poder de las habilidades diversas y la la iniciativa personal para lograr cosas asombrosas, y valoramos el talento único de cada persona para contribuir al crecimiento y diversidad de nuestro equipo. ¿Nos acompañas en esta aventura? #FutureTogether

¿Qué buscamos?

Buscamos un/a Software Engineer backend para trabajar en el sector bancario.

Requisitos:

• Fuerte experiencia en servicios de AWS Cloud, incluyendo, pero no limitado a, Lambda, API Gateway, Bedrock, DynamoDB, S3, SageMaker, IAM con un enfoque en cargas de trabajo de GenAI.
• Fuerte experiencia en programación en Python para construir, desplegar y gestionar componentes reutilizables de GenAI, incluyendo la integración con servicios de AWS y pruebas unitarias.
• Fuerte experiencia con Terraform para la provisión y gestión de infraestructura en AWS, asegurando despliegues escalables, seguros y rentables.
• Sólido entendimiento de pipelines de CI/CD usando GitHub Actions, incluyendo la automatización de pruebas, despliegue y monitoreo de flujos de trabajo para componentes de GenAI
• Nivel de inglés C1 (mínimo)

Conoce nuestra propuesta de valor

Contrato indefinido.

Modelo híbrido: Súmate a nuestro modelo Softtek 56, que se adaptada a las circunstancias de cada Softtekian y en donde podrás conectar y desarrollarte con nuestros equipos en las diferentes sedes 56 horas al mes y disfruta de teletrabajo el resto del tiempo.

Conciliación: Horario flexible y el programa BetterWork que apoya el equilibrio entre tu vida personal y profesional.

️24 días de vacaciones