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Senior Java Engineer

Vacancy details
Software Engineering
Java Engineer
Senior
Portugal
Hybrid
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Explore the future of FinTech! With superb engineering, we help the finance industry to change just in one click! Join the global Intellias team to develop top-of-the-line solutions for the world’s leading FinTech companies.

What project we have for you

An international fintech company that develops modern payment and financial management solutions for small and medium-sized businesses. The company is building a digital ecosystem that helps entrepreneurs efficiently manage payments, cash flow, and day-to-day business operations. Its products are used by thousands of businesses across European countries.

As a Senior Software Engineer, you will play a crucial role in shaping the future of company’s technology, driving innovation, and ensuring we deliver a seamless, high-performance experience for our merchants across Europe. You will work with diverse, cross-functional teams to design, develop, and maintain core components of our systems that power various aspects of our business, from payments processing and core banking to merchant lifecycle management and internal operations. Your contributions will directly impact our merchants’ success, enabling them to thrive in an increasingly competitive landscape.

What you will do

  • Design, develop, and maintain clean, efficient, secure, and well-tested code to support critical business needs, ensuring scalability, performance, and reliability across Teya’s systems.
  • Take ownership of features and projects throughout the full software development lifecycle, including scoping, design, development, testing, deployment, and maintenance.
  • Collaborate closely with cross-functional teams (including product, design, data science, security, and operations) to understand requirements, provide technical insights, and contribute to architecture discussions.
  • Build tools and integrate systems to enhance operational efficiency, reliability, and scalability of products across the business.
  • Contribute to process improvements, focusing on continuous integration, delivery, and deployment to ensure a smooth and stable development pipeline.
  • Participate in code reviews, share feedback constructively, and help elevate the overall quality and performance of the team’s output.
  • Mentor and support fellow developers, fostering a collaborative and innovative environment.
  • Stay updated with the latest trends and technologies in software engineering, payments, and fintech, proactively identifying opportunities for improvement and innovation.
  • Assist in troubleshooting complex issues related to our systems, providing timely resolutions to ensure uninterrupted service for our customers.
  • Help define and promote best practices in software development, including code quality, testing, automation, and security.
  • Serve as a subject matter expert in key areas, providing guidance and support to other teams.

What you need for this

  • 5+ years of professional software development experience, with a solid understanding of backend systems, scalable architectures, and software design principles.
  • Expertise in Java (17+), Spring Boot, and modern backend engineering practices
  • Experience with system design and architecture, including object-oriented design patterns, microservices architecture, and API development.
  • Experience building systems for high throughput, low latency, and reliability
  • Experience in system design, data structures and performance trade-offs
  • Excellent communication skills with the ability to influence and align stakeholders
  • Experience with system design and architecture, including object-oriented design patterns, microservices architecture, and API development.
  • Strong problem-solving skills and the ability to debug complex issues across multiple systems or services.
  • Experience working in an Agile/Scrum development process.
  • Ability to work well as part of a team and independently in a fast-paced environment.

Nice to have:

  • Degree in computer science, engineering, or a related field.
  • Previous experience in the Payments Industry, fintech, or Location and Business Recommendation Services platforms.
  • Experience with cloud infrastructure (AWS, Kubernetes, Helm).
  • Experience with current or specific frameworks, SDKs, APIs, and libraries relevant to technology stack (e.g. Laravel, Spring, Reactor).
  • Familiarity with authorisation systems (e.g., RBAC, ABAC, SpiceDB).
  • Experience with Behavior-Driven Development (BDD) or Test-Driven Development (TDD).
  • Experience with CI/CD pipelines.

What it’s like to work at Intellias

At Intellias, where technology takes center stage, people always come before processes. By creating a comfortable atmosphere in our team, we empower individuals to unlock their true potential and achieve extraordinary results. That’s why we offer a range of benefits that support your well-being and charge your professional growth.
We are committed to fostering equity, diversity, and inclusion as an equal opportunity employer. All applicants will be considered for employment without discrimination based on race, color, religion, age, gender, nationality, disability, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by applicable law.
We welcome and celebrate the uniqueness of every individual. Join Intellias for a career where your perspectives and contributions are vital to our shared success.

Skills

Java17
Microservices
SpringBoot
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