2.820 Empregos para Java Backend - Portugal

Decskill was founded in 2014 as an IT Consulting Company and their main mission is to delivery value through the knowledge. We enable companies to meet the chalenges of digital world by providing our clients with business models that ensure technological capacity, flexibility and agility. We are more than 500 consultants with offices in Lisbon, Porto and Madrid.

DECSKILL operates in 3 main areas:

• DECSKILL TALENT , through which we provide our clients with an extension to their IT teams;

• DECSKILL BOOST , through which we provide our client with software development models to increase capacity and optimize Time-to-Market, where we create and manage teams that deliver according to their needs, at the desired speed;

• DECSKILL CONNECT, through which we provide our client with consulting services, as well as the implementation and management of information technology infrastructures.

Our practice results in the creation of value for our customers, either by delivering qualified and value-added services, or through highly qualified and motivated professionals, as well as technology solutions that allow us to operate and transform the business of our customers.

We are looking for an Java Backend Developer !

Responsibilities :

• Working in the context of automotive IoT you will create, test, deploy and run (DevOps) customer-facing solutions and internal services running on modern cloud infrastructure.
• You will develop and maintain functionality for our trucks using agile methodologies, being responsible for integral parts of our technical roadmap.
• You will create products, prototypes and MVPs for near-vehicle services.
• You will design, develop and operate cloud native microservices using serverless functions, containers, RESTful APIs and event streaming.
• Be able to take end to end responsibility for the products you build, working closely with other departments to test your software as part of the complete system.
• Advise your team and other teams on all questions around Backend development in electric vehicle area and work together on continuously improving the service, tooling and processes. Take initiative to solve problems and overcome roadblocks, being the interface between design, technology and user.
• You are a result-oriented individual. Learn new technologies and to solve problems in innovative and pragmatic ways.

Requirements :

• Minimum of 3 (L2) or 5 (L3) years of experience.
• Relevant experience in the conception and implementation of complex software solutions in an international context. Has an Agile and DevOps mindset.
• Solid experience with Clean Code and Clean Architecture principles as well as common software design patterns. Emphasis on quality, maintainability and usability.
• Familiarity with version control tools such as Git. Experience with SAFe framework is a plus. Experience with Jira and Confluence is a plus.
• Solid experience with backend development in Java (Spring Boot)/Kotlin with focus on RESTful APIs and event driven architecture (e.g. Kafka, Kinesis, SQS, MQTT). Experience with CI/CD and micro-service architectures, not only using but building it.
• Experience in using and integrating cloud services (preference for AWS), knowing cloud paradigms like Infrastructure- as-Code, PaaS, alerting and monitoring.
• Relevant knowledge of database management systems (SQL, NoSQL) Knowledge of Python (preferably Flask) for rapid prototyping and tooling is also an advantage.
• Very good English skills, both written and spoken.
• High level of self-organization and sense of ownership.
• Proactive in communicating and taking action.
• Curious, likes to investigate and understand how things work.
• Motivated by a strong passion to learn and continuously improve, solving problems in an innovative and pragmatic way.
• Communicate and collaborate with empathy and clarity - you care about supporting those around you.
• Proficiency in English.

If you’re interested in this job, please send your CV to with reference “CA/Java”.

Thank You!

A Job? Or a Lifetime Experience? Start Yours Here!

Our mission is to be a meaningful part of our people's careers. As we grow, so does our determination to offer the best experience to our employees and clients — and that’s exactly what drives us. We are a Portuguese technology consulting company with offices in Lisbon, Porto and Óbidos, and representations in Brazil and Tunisia. We have over 12 years of market expertise, and today we are a universe of around 400 people working on-site, remotely or in hybrid mode in projects across 20+ countries.

We believe that great people make successful companies, and that’s why we stand for the appreciation, recognition and growth of our professionals.

We don’t want to be just another line on your CV — we want you to live a Lifetime Experience with us. We invest in training and certifications that confirm your real progression, in promoting a healthy work-life balance, and in offering benefits that impact your personal life and career.

#welcometoyourfuture

What we’re looking for:

• Design, development and maintenance of backend applications
• Ensure code quality, performance and scalability
• Troubleshoot and resolve technical issues
• Collaborate with cross-functional teams in an Agile environment

Being Affinity

• #Affinity – Creating close and empathetic relationships with colleagues, clients and candidates (and not just with technologies, languages and platforms). Team spirit and good vibes;

• #Ambition – Wanting to do more and better. A drive to exceed expectations and evolve personally and professionally;

• #Action – Energy to make things happen. Showing proactiveness and initiative;

• #Learning – Willingness to grow individually and collectively and to become an expert in the tech market;

• #Assertiveness – Transparent and honest communication, always with constructive feedback.

Your #LifetimeExperience

• Taking part in national and international projects in a company based on personal relationships, simplicity and efficiency, with a disruptive approach to the tech market;

• Accessing a career and training plan tailored to your performance and interests;

• Being part of a welcoming, trustworthy, respectful and informal environment;

• Joining our Affinity Communities (sports, tech, hobbies, etc.) and actively participating in social and environmental responsibility projects;

• Taking advantage of a range of benefits, partnerships, discounts, events and internal dynamics.

Beyond your professional satisfaction, we want to offer you memorable moments of leisure and connection, worthy of an Affinity experience.

Join the Experience!

Send us your application and take the opportunity to get to know us and follow along at:

Who are we:

Neotalent Conclusion is one of the leading Iberian specialists providing services in Information Technology and Engineering services. As part of the Netherlands-based organization Conclusion, which has an ecosystem of over 25 companies and 3,600 employees, we are focused on increasing the technological capacity of our clients and the digital transformation of their application ecosystems.

We are talent specialists, attracting the best people and combining them with the needs of the most ambitious projects, at the right time. Our success comes from our investments in innovation, our focus on results, and, above all, the guarantee that our people will have happy and rewarding careers.

With over 25 years of solid experience, Neotalent Conclusion has established its presence in key locations, including Lisbon, Porto, and Madrid. The company currently has more than 950 professionals in the different areas in which it operates.

Neotalent, the responsive people.

Find out more about us at .

Role Overview:

We are looking for Java BackEnd Developers to integrate one of our largest international partners in the telecommunications based in Portugal. It is one of the biggest references in the area, with a significant presence in more than 6 countries.

(Offices in Lisbon or Oporto )

As a Java Developer, you will play a critical role in collaborating with cross-functional and multicultural teams to implement high-quality software solutions, ensuring code quality through testing and reviews, and supporting the deployment of systems. We value a disruptive mindset , resilience in the face of challenges, out-of-the-box thinking, and a willingness to take risks.

As a part of your job, you will be responsible for:

• Java backend developments (Spring Boot).
• Solution designs using AWS and microservices.
• Delivering using agile practices, in sprints and in accordance with the Product Owner and team’s backlog and sprint stories.
• Deploying using DevOps practices and CI/CD pipelines.

What you are like:

• Minimum 3+ years of hands-on experience in Java development;
• Experience in Spring Boot;
• Strong working knowledge of Oracle DB and/or MongoDB;
• Solid understanding of Microservices Architecture.
• Strong knowledge of API Design/Development.
• Familiarity with Git, CI/CD tools, and Docker for DevOps practices.
• Comfortable with the english language (mandatory).
• Comfortable with the portuguese language (mandatory).

Why join us

• Work on challenging projects for big clients
• Learn more about emerging technologies
• Possibility of working remotely
• Design your career plan
• Access to continuous training and certifications
• Evolve through our internal mobility program
• … and much more!

At Capgemini Engineering , the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

YOUR ROLE

As a Java Backend Developer , you’ll play a key part in designing and developing robust, secure, and scalable backend services. You’ll work with modern technologies like Java Core, Spring Boot, Spring Security, and JWT , while following best practices such as Clean Code and SOLID principles . You will contribute to creating efficient APIs, optimizing database queries, and ensuring high performance and fault tolerance in web applications.

You’ll also collaborate with cross-functional teams and contribute to the continuous improvement of our codebase and architecture. If you're passionate about backend development, cloud technologies, and writing clean, maintainable code, this role is for you.

YOUR PROFILE

• 5+ years of production experience in Java;
• Strong knowledge of Java Core, Collections, Stream API, Concurrency;
• Knowledge of Spring Core, Spring Boot, Spring MVC, Spring Security;
• Knowledge of JWT, OIDC;
• Knowledge of SQL/noSQL, ability to design schemes and write optimal queries;
• Working knowledge of Git;
• B1 English level (intermediate);
• Higher education in IT;
• A good understanding of software development principles like Clean Code and SOLID principals.

Desirable requirements:

• Experience with Linux, Docker, Docker-compose;
• Experience with bug and issue tracker, such as Jira, Mantis, GitLab;
• Knowledge of Spring Cloud;
• Ability to analyze a memory dump and discover a memory leak;
• Experience with performance analysis and tuning;
• Experience with design and development a fault-tolerant web application;
• Knowledge of cloud-based technologies, such as Docker, Kubernetes, Kafka, ZooKeeper;
• Experience with data migration tools like Liquibase.

WHAT YOU’LL LOVE ABOUT WORKING HERE

Join a multicultural and inclusive team environment.

Enjoy a supportive atmosphere promoting work-life balance.

Engage in exciting national and international projects.

Hybrid work.

Your career growth is central to our mission. Our array of career growth programs and diverse professionals are crafted to support you in exploring a world of opportunities.

Training and certifications programs.

Health and life insurance.

Referral program with bonuses for talent recommendations.

Great office locations.

ABOUT CAPGEMINI

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Apply now!

Who are we:

Neotalent Conclusion is one of the leading Iberian specialists providing services in Information Technology and Engineering services. As part of the Netherlands-based organization Conclusion, which has an ecosystem of over 25 companies and 3,600 employees, we are focused on increasing the technological capacity of our clients and the digital transformation of their application ecosystems.

We are talent specialists, attracting the best people and combining them with the needs of the most ambitious projects, at the right time. Our success comes from our investments in innovation, our focus on results, and, above all, the guarantee that our people will have happy and rewarding careers.

With over 25 years of solid experience, Neotalent Conclusion has established its presence in key locations, including Lisbon, Porto, and Madrid. The company currently has more than 950 professionals in the different areas in which it operates.

Neotalent, the responsive people.

Find out more about us at

Role Overview:

We are seeking a highly skilled and motivated Java Developer to join an international and diverse team based in Porto (hybrid).

As a Java Developer, you will play a critical role in collaborating with cross-functional and multicultural teams to implement high-quality software solutions, ensuring code quality through testing and reviews, and supporting the deployment and maintenance of systems.

What you are like:

• Minimum 2+ years of hands-on experience in Java development;
• Experience in Spring Boot;
• Strong working knowledge of Oracle DB and/or MongoDB;
• Solid understanding of Microservices Architecture.
• Strong knowledge of API Design/Development.
• Familiarity with Git, CI/CD tools, and Docker for DevOps practices.
• Comfortable with the english language (mandatory).

Why join us

• Work on challenging projects for big clients
• Learn more about emerging technologies
• Possibility of working remotely
• Design your career plan
• Access to continuous training and certifications
• Evolve through our internal mobility program
• . and much more!

Decskill was founded in 2014 as an IT Consulting Company and their main mission is to delivery value through the knowledge. We enable companies to meet the chalenges of digital world by providing our clients with business models that ensure technological capacity, flexibility and agility. We are more than 500 consultants with offices in Lisbon, Porto and Madrid.

DECSKILL operates in 3 main areas:

• DECSKILL TALENT, through which we provide our clients with an extension to their IT teams;

• DECSKILL BOOST, through which we provide our client with software development models to increase capacity and optimize Time-to-Market, where we create and manage teams that deliver according to their needs, at the desired speed;

• DECSKILL CONNECT, through which we provide our client with consulting services, as well as the implementation and management of information technology infrastructures.

Our practice results in the creation of value for our customers, either by delivering qualified and value-added services, or through highly qualified and motivated professionals, as well as technology solutions that allow us to operate and transform the business of our customers.

We are looking for an Java Backend Developer!

Responsibilities:

• Working in the context of automotive IoT you will create, test, deploy and run (DevOps) customer-facing solutions and internal services running on modern cloud infrastructure.
• You will develop and maintain functionality for our trucks using agile methodologies, being responsible for integral parts of our technical roadmap.
• You will create products, prototypes and MVPs for near-vehicle services.
• You will design, develop and operate cloud native microservices using serverless functions, containers, RESTful APIs and event streaming.
• Be able to take end to end responsibility for the products you build, working closely with other departments to test your software as part of the complete system.
• Advise your team and other teams on all questions around Backend development in electric vehicle area and work together on continuously improving the service, tooling and processes. Take initiative to solve problems and overcome roadblocks, being the interface between design, technology and user.
• You are a result-oriented individual. Learn new technologies and to solve problems in innovative and pragmatic ways.

Requirements:

• Minimum of 3 (L2) or 5 (L3) years of experience.
• Relevant experience in the conception and implementation of complex software solutions in an international context. Has an Agile and DevOps mindset.
• Solid experience with Clean Code and Clean Architecture principles as well as common software design patterns. Emphasis on quality, maintainability and usability.
• Familiarity with version control tools such as Git. Experience with SAFe framework is a plus. Experience with Jira and Confluence is a plus.
• Solid experience with backend development in Java (Spring Boot)/Kotlin with focus on RESTful APIs and event driven architecture (e.g. Kafka, Kinesis, SQS, MQTT). Experience with CI/CD and micro-service architectures, not only using but building it.
• Experience in using and integrating cloud services (preference for AWS), knowing cloud paradigms like Infrastructure- as-Code, PaaS, alerting and monitoring.
• Relevant knowledge of database management systems (SQL, NoSQL) Knowledge of Python (preferably Flask) for rapid prototyping and tooling is also an advantage.
• Very good English skills, both written and spoken.
• High level of self-organization and sense of ownership.
• Proactive in communicating and taking action.
• Curious, likes to investigate and understand how things work.
• Motivated by a strong passion to learn and continuously improve, solving problems in an innovative and pragmatic way.
• Communicate and collaborate with empathy and clarity - you care about supporting those around you.
• Proficiency in English.

If you’re interested in this job, please send your CV to with reference “CA/Java”.

Thank You!

Decskill is committed to equality and non-discrimination with all our talents. We recruit and promote talent, based on diversity and inclusion, regardless of age, gender, ethnicity, race, nationality or any other form of discrimination incompatible with the dignity of the human being

A Job? Or a Lifetime Experience? Start Yours Here!

Our mission is to be a meaningful part of our people's careers. As we grow, so does our determination to offer the best experience to our employees and clients — and that’s exactly what drives us. We are a Portuguese technology consulting company with offices in Lisbon, Porto and Óbidos, and representations in Brazil and Tunisia. We have over 12 years of market expertise, and today we are a universe of around 400 people working on-site, remotely or in hybrid mode in projects across 20+ countries.

We believe that great people make successful companies, and that’s why we stand for the appreciation, recognition and growth of our professionals.

We don’t want to be just another line on your CV — we want you to live a Lifetime Experience with us. We invest in training and certifications that confirm your real progression, in promoting a healthy work-life balance, and in offering benefits that impact your personal life and career.

#welcometoyourfuture

What we’re looking for:

• Design, development and maintenance of backend applications
• Ensure code quality, performance and scalability
• Troubleshoot and resolve technical issues
• Collaborate with cross-functional teams in an Agile environment

Being Affinity

• #Affinity – Creating close and empathetic relationships with colleagues, clients and candidates (and not just with technologies, languages and platforms). Team spirit and good vibes;

• #Ambition – Wanting to do more and better. A drive to exceed expectations and evolve personally and professionally;

• #Action – Energy to make things happen. Showing proactiveness and initiative;

• #Learning – Willingness to grow individually and collectively and to become an expert in the tech market;

• #Assertiveness – Transparent and honest communication, always with constructive feedback.

Your #LifetimeExperience

• Taking part in national and international projects in a company based on personal relationships, simplicity and efficiency, with a disruptive approach to the tech market;

• Accessing a career and training plan tailored to your performance and interests;

• Being part of a welcoming, trustworthy, respectful and informal environment;

• Joining our Affinity Communities (sports, tech, hobbies, etc.) and actively participating in social and environmental responsibility projects;

• Taking advantage of a range of benefits, partnerships, discounts, events and internal dynamics.

Beyond your professional satisfaction, we want to offer you memorable moments of leisure and connection, worthy of an Affinity experience.

Join the Experience!

Send us your application and take the opportunity to get to know us and follow along at:

Who are we:

Neotalent Conclusion is one of the leading Iberian specialists providing services in Information Technology and Engineering services. As part of the Netherlands-based organization Conclusion, which has an ecosystem of over 25 companies and 3,600 employees, we are focused on increasing the technological capacity of our clients and the digital transformation of their application ecosystems.

We are talent specialists, attracting the best people and combining them with the needs of the most ambitious projects, at the right time. Our success comes from our investments in innovation, our focus on results, and, above all, the guarantee that our people will have happy and rewarding careers.

With over 25 years of solid experience, Neotalent Conclusion has established its presence in key locations, including Lisbon, Porto, and Madrid. The company currently has more than 950 professionals in the different areas in which it operates.

Neotalent, the responsive people.

Find out more about us at

Role Overview:

We are looking for Java BackEnd Developers to integrate one of our largest international partners in the telecommunications based in Portugal. It is one of the biggest references in the area, with a significant presence in more than 6 countries.

(Offices in Lisbon or Oporto)

As a Java Developer, you will play a critical role in collaborating with cross-functional and multicultural teams to implement high-quality software solutions, ensuring code quality through testing and reviews, and supporting the deployment of systems. We value a disruptive mindset, resilience in the face of challenges, out-of-the-box thinking, and a willingness to take risks.

As a part of your job, you will be responsible for:

• Java backend developments (Spring Boot).
• Solution designs using AWS and microservices.
• Delivering using agile practices, in sprints and in accordance with the Product Owner and team’s backlog and sprint stories.
• Deploying using DevOps practices and CI/CD pipelines.

What you are like:

• Minimum 3+ years of hands-on experience in Java development;
• Experience in Spring Boot;
• Strong working knowledge of Oracle DB and/or MongoDB;
• Solid understanding of Microservices Architecture.
• Strong knowledge of API Design/Development.
• Familiarity with Git, CI/CD tools, and Docker for DevOps practices.
• Comfortable with the english language (mandatory).
• Comfortable with the portuguese language (mandatory).

Why join us

• Work on challenging projects for big clients
• Learn more about emerging technologies
• Possibility of working remotely
• Design your career plan
• Access to continuous training and certifications
• Evolve through our internal mobility program
• . and much more!

Who are we:

Neotalent Conclusion is one of the leading Iberian specialists providing services in Information Technology and Engineering services. As part of the Netherlands-based organization Conclusion, which has an ecosystem of over 25 companies and 3,600 employees, we are focused on increasing the technological capacity of our clients and the digital transformation of their application ecosystems.

We are talent specialists, attracting the best people and combining them with the needs of the most ambitious projects, at the right time. Our success comes from our investments in innovation, our focus on results, and, above all, the guarantee that our people will have happy and rewarding careers.

With over 25 years of solid experience, Neotalent Conclusion has established its presence in key locations, including Lisbon, Porto, and Madrid. The company currently has more than 950 professionals in the different areas in which it operates.

Neotalent, the responsive people.

Find out more about us at

Role Overview:

We are seeking a highly skilled and motivated Java Developer to join an international and diverse team based in Porto (hybrid).

As a Java Developer, you will play a critical role in collaborating with cross-functional and multicultural teams to implement high-quality software solutions, ensuring code quality through testing and reviews, and supporting the deployment and maintenance of systems.

What you are like:

• Minimum 2+ years of hands-on experience in Java development;
• Experience in Spring Boot;
• Strong working knowledge of Oracle DB and/or MongoDB;
• Solid understanding of Microservices Architecture.
• Strong knowledge of API Design/Development.
• Familiarity with Git, CI/CD tools, and Docker for DevOps practices.
• Comfortable with the english language (mandatory).

Why join us

• Work on challenging projects for big clients
• Learn more about emerging technologies
• Possibility of working remotely
• Design your career plan
• Access to continuous training and certifications
• Evolve through our internal mobility program
• . and much more!