Java Backend Engineer

0000 Lisboa, Lisboa LUZA PT/HITO Solutions

Our client is a tech company, founded in 2016, that develops core software solutions for a leading financial group. With a strong focus on innovation, the company delivers secure, scalable platforms to support banking, wealth management, and compliance operations.

Key Responsibilities:

Backend Engineering

Design, implement, and maintain backend services and APIs using Java 21, Spring Boot (with Spring Boot Data, Hibernate, or JDBC). Integrate solutions with Oracle or Aurora Postgre
SQL databases. Write secure, scalable, and high‑quality code aligned with established architectural standards.

Cloud & Dev
Ops

Deploy and manage applications on AWS, leveraging services such as ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, and Cloud
Watch. Define and manage Infrastructure as Code with Terraform to guarantee consistent and reliable environments. Contribute to the setup, improvement, and maintenance of CI/CD pipelines.

Python & Cross-Technology Development

Deliver Python‑based developments for automation, integration, and data processing tasks. Work together with data engineering teams to ensure smooth data integration, exchange, and transformation.

Collaboration & Support

Partner with cross‑functional teams to collect requirements and design effective solutions. Provide troubleshooting, monitoring, and operational support within the product team. Mentor junior developers and actively promote knowledge sharing and process improvement.

Continuous Improvement

Stay updated on emerging technologies, frameworks, and practices in backend development, cloud, and Dev
Ops. Suggest enhancements to improve system resilience, scalability, and maintainability.

Requirements

Must‑Have

• Degree in Computer Science, Engineering, or related field.
• Solid experience in backend development with Java 21, Spring, Spring Boot Data, Hibernate, and JDBC.
• Strong expertise in relational databases.
• Proven track record in AWS development and deployment (ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, Cloud
  Watch).
• Proficiency in Python for scripting and backend use cases.
• Experience managing infrastructure with Terraform.
• Strong knowledge of RESTful APIs, microservices, and secure coding practices.
• Experience with Git
  Hub or Git
  Lab version control.

Nice‑to‑Have

• Collaboration experience with data engineering teams and data pipeline integration.
• Familiarity with AI tools or frameworks.
• Hands‑on experience with CI/CD tools and automation.
• Knowledge of containerization (Docker, Kubernetes).
• AWS certification (Solutions Architect, Developer, or similar).
• Experience working in Agile environments with tools like Jira.
• Understanding of monitoring and alerting solutions.

Java Software Engineer

With just over 7 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service:

• Strategy (Outsourcing, Ne
  Xel, Team as a Service, Tech Academies);
• Nearshore.

In ADENTIS, we focus on PEOPLE. This is our emotional salary:

• Great Work‑Life balance;
• Very flexible organizational routine;
• Health benefits (for you and your family);
• Team Building activities;
• Over 300 protocols to offer you great discounts in different areas;
• Continuous professional development sponsored by our Training and Certification Department;
• Regular feedback on your performance through a personalized plan;
• Comprehensive career plan and progression involving assertive performance reviews.

Responsibilities

• Participate in the development effort of the project, with a strong focus on Spring Boot
• Act as a liaison between stakeholders to align expectations, negotiate deadlines, and provide regular progress updates
• Ensure project’s team lead is aware of risks, dependencies/blockers, mitigation efforts, and any business impact, communicated in a clear and structured way
• Guarantee that high‑quality deliverables are produced on schedule and aligned with client guidelines and industry best practices
• Make sound architectural decisions to ensure robust and scalable solutions

Requirements

• Bachelor’s or Master’s degree in Computer Science or a related field
• Proven expertise in Spring Boot, microservices development, database integration, RESTful API development, and related technologies
• Solid knowledge of foundational architecture design patterns, Dev
  Ops/CI‑CD, Git, testing, build tooling, troubleshooting, observability, caching, message queuing, and Scrum tools/methodology
• Excellent communication skills; resilient and goal‑oriented
• Technology‑driven and motivated by challenges
• Proficiency in English (written and spoken)
• European Union Citizenship or Portuguese Working Visa / Portuguese Residency.
• Availability to go to the office, once or twice per week.

Nice to Have

• Cloud experience (e. g. , Azure, AWS, or GCP)

If you want to be part of a real People First organization, join us! Send your CV to

Software Engineer

Job Title: Software Engineer

Location: Lisbon, Portugal

Work Regime: Full-time & Hybrid (2x to 3x office days)

Overview / Summary: We are looking for a Software Engineer (. NET) with strong experience in event‑driven architectures, event sourcing, and data streaming. The role involves developing and maintaining microservices, implementing reliable event‑driven solutions.

Responsibilities and Tasks:

• Very good knowledge of. NET Core (ideally version 6 or above)
• Implement event‑driven solutions, including producing and consuming events, handling failures, and ensuring reliability (at‑least‑once delivery, retries, idempotency).
• Work with data streaming technologies such as Kafka Streams, ksql
  DB, or Spark Streaming.
• Operate within Azure cloud environments and contribute to scalable, reliable architecture designs.

Requirements

• Mandatory Requirements:
  • Very good knowledge of. NET Core (ideally version 6 or above)
  • Experience with APIs and microservices development
  • Understanding of SOLID, DDD (Domain‑Driven Design) or Clean Architecture
  • Excellent understanding of relational databases and Entity Framework
  • Experience with Azure or other cloud platform
  • Git knowledge (preferably Azure Dev
    Ops)
  • Kafka, Kubernetes

Benefits

• Important: Our company does not sponsor work visas or work permits. All applicants must have the legal right to work in the country where the position is based. Only candidates who meet the required qualifications and match the profile requested by our clients will be contacted.
• #Visionary
  Future - Build the future, join our living ecosystem!

Embedded Software Engineer

Embedded Software Engineer

FOSSA Systems is a leading space engineering and telecommunications company with +40 employees, specializing in developing and deploying Io
T satellite solutions for remote asset management. Leveraging advanced miniaturization and mass production techniques, FOSSA has launched 20 satellites and is actively deploying a groundbreaking satellite constellation to deliver cost‑effective, cutting‑edge connectivity solutions.

With headquarters in Madrid and an R&D centre in Lisbon, FOSSA Systems is at the forefront of innovation in satellite manufacturing, operations, and Io
T connectivity.

Who are we looking for?

We are seeking an Embedded Software Engineer to join our dynamic team in Lisbon. In this role, you will design, develop, and test FOSSA’s next‑generation Io
T nodes and modules. These devices will collect sensor data and transmit it via our satellite network and/or cellular connectivity, enabling seamless communication for remote assets.

Responsibilities:

• Develop and program microcontrollers (e. g. , ESP32) for Io
  T devices.
• Design and implement embedded software libraries.
• Define state machines and flow diagrams for system logic.
• Execute software verification and validation campaigns.
• Work with real‑time operating systems (Free
  RTOS).

Profile:

• Graduate in telecommunications, industrial or electronics engineering.
• 1 to 3 years of minimum related experience. (Development of related personal projects will be considered as experience)
• Experience in embedded software development (C/C++, Python).
• Experience in the development of firmware for low power consumption devices.
• Experience working on Git
  Hub or other code repositories.
• Personal software related projects.
• Full professional proficiency in English.
• Educational MSc level.

Why FOSSA?

FOSSA is a fast growing, revolutionary and dynamic company that works every day to find the latest technology on the market and make wonderful and functional things with it.

We trust each and every one of our employees and give them the space to contribute ideas, to grow, to investigate, to try and learn from their mistakes.

We are a company that believes in equal opportunities, all applications will be considered and no discrimination for any reason will be tolerated.

Location: Lisbon, metropolitan area

Hybrid Work

Full Time

Junior Software Engineer

We intend to recruit a Junior Software Engineer (m/f) to perform the following functions:

WHO WE ARE

EID is one of the leading high‑tech industries in Portugal that works mainly for the Defence sector. With a proven record and solid know‑how in the fields of electronics and communications designs, manufactures, supplies and supports advanced, high‑performance solutions.

The demanding markets where EID operates requires a permanent attitude of innovation. Our growth is supported in the ability to develop and launch technologically evolved, innovative products and solutions, meeting the specific customer requirements.

EID’s knowledge and technological capabilities rely on the experience and expertise of highly qualified electronics, software and communications engineers, who represent the majority of the company workforce.

YOUR ROLE

• Software development for embedded systems;
• Shared services and client/server platforms;
• Native and Web GUI applications in Windows, Linux and Android environments.

OUR REQUIREMENTS FOR THIS JOB:

• Higher education in Computer Engineering or related areas;
• Solid knowledge and experience in software development with C, C++, . NET/C# and Java;
• Good understanding of software development life cycle and methodologies
• Experience in using MS Visual Studio and Eclipse IDEs;
• Good expression skills in Portuguese and English, spoken and written

IT WOULD BE A PLUS IF YOU HAVE:

• Cyber‑physical systems, real‑time OS and hardware protocols (e. g. USB, I2C, SPI)
• TCP/IP networks and Vo
  IP protocols
• Cloud integration protocols
• Web services
• Cryptography / PKI
• System modelling and design with UML

CHECK IF YOU ARE/HAVE:

• Autonomy and like to solve problems;
• Dynamism and spirit of initiative;
• Easy teamwork integration;

WE OFFER:

• Sustained and progressive development of the candidate know‑how;
• A competitive package according with experience;
• A work culture that puts emphasis on the individual, offering flexible working solutions;
• 22 vacancy days plus 2 extra days fixed by the company;
• Your anniversary day without being at work;
• Private health insurance.

We believe we are the ones to, by:

Providing a Multidisciplinary Team.

Giving a home office kit, with everything you need to perform remotely.

Ensuring a career plan alongside with professional growth.

Providing you with a custom training plan.

Oh… and by the way, we also have:

Several challenging complex projects.

Stimulating teams and leaders.

World‑class Clients and Partners.

At Closer Consulting, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we’ve achieved.

Senior Software Engineer

Reporting to the Senior Director, Development, the Senior Software Engineer you will contribute your expertise in solution architecture for Core Banking implementations, leveraging your deep knowledge of Java Spring Boot Microservices and Java programming. You will articulate and design product extensibility, customizations, and integrations in alignment with our product architecture, ensuring robust and scalable solutions.

• Design and develop solution architecture for Core Banking implementations.
• Articulate and design product extensibility, customizations, and integrations.
• Design and develop applications using Java EE platforms.
• Ensure adherence to Testable, Secure, and Performant Coding practices.
• Utilize strong knowledge of Relational Databases, including Oracle, IBM DB2, or Postgre
  SQL, and Liquibase concepts.
• Design and develop applications using Messaging Technologies such as JMS, Active MQ, Kafka, and Debezium.
• Work with J2EE application servers such as Web
  Sphere, JBoss, and Apache Tomcat.
• Blend technical and functional knowledge to architect, design, and implement solutions.
• Solve complex problems and perform analytical tasks.
• Communicate effectively through verbal, written, and telephonic channels.

Required Experience:

• 5‑8 years of proven experience in designing solution architecture for Core Banking implementations.
• Expertise in developing Java Spring Boot Microservices and deep knowledge of Java as a programming language.
• Capability to articulate and design product extensibility, customizations, and integrations in alignment with product architecture.
• Proficiency in designing and developing applications using Java EE platforms with an understanding of the Software Development Life Cycle.
• Understanding of Testable, Secure, and Performant Coding practices.
• Strong knowledge of Relational Databases, with expertise in at least one of the following: Oracle, IBM DB2, or Postgre
  SQL, along with Liquibase concepts.
• Expertise in designing and developing applications using Messaging Technologies such as JMS, Active MQ, Kafka, and Debezium.
• Solid understanding of J2EE application servers such as Web
  Sphere, JBoss, and Apache Tomcat.
• A good blend of technical and functional knowledge to architect, design, and implement solutions.
• Excellent problem‑solving and analytical skills.
• Strong verbal, written, and telephonic communication skills.

Work from Home Lead Data Software Engineer

Agile
Engine is a top‑ranking provider of software solutions to Fortune 500, Global 500, and Future 50 companies. Listed on Inc. 5000 among the fastest‑growing US companies, we are always open to talented software, UX, and data experts in the Americas, Europe, and Asia.

If you like a challenging environment where you’re working with the best and are