Senior Backend Engineer at Teya (Porto, Portugal)Senior Backend Engineer

As a Senior Software Engineer in the ePOS team, you’ll help shape the technology that supports Teya’s merchants across Europe. Your main focus will be a critical backend service, where you’ll join a small team and act as a senior technical contributor, helping raise engineering standards and supporting other engineers through guidance, collaboration and example. This role is suited to an engineer who can become productive quickly, work autonomously and take ownership of both feature delivery and the operational health of the services they build.

You will be expected to:

• 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.

Requirements:

• At least 5 years of professional software engineering experience.
• Strong experience building backend systems with Java 17+ and Spring Boot.
• Proven ability to design, build and operate reliable services in production.
• Experience with system design, scalable architectures, microservices and API development.
• Strong understanding of databases, data structures, performance trade-offs and distributed systems.
• Practical experience with Kafka and event-driven systems.
• A strong focus on monitoring, observability, testing and operational ownership.
• Experience debugging complex issues across multiple services or systems.
• The ability to work autonomously, make sound technical decisions and become productive quickly.
• Clear communication skills, with the ability to explain complex topics and influence technical direction.
• A collaborative approach and an interest in supporting the growth of other engineers.
• Experience working in an Agile or Scrum 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 Teya's 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.

The Perks

• We trust you, so we offer flexible working hours, as long it suits both you and your team;
• Health Insurance;
• Physical and mental health support through our partnership with MyFitness;
• 25 days of Annual leave (+ Bank Holidays);
• Possibility to visit other Teya offices to meet colleagues in instances when travel is safe and appropriate;
• Friday lunch in the office;
• Friendly, comfortable and high-end work equipment and informal office environment;
• Hybrid work mode policy.

Teya is proud to be an equal opportunity employer. We are committed to creating an inclusive environment where everyone regardless of race, ethnicity, gender identity or expression, sexual orientation, age, disability, religion, or background can thrive and do their best work. We believe that a diverse team leads to better ideas, stronger outcomes, and a more supportive workplace for all. If you require any reasonable adjustments at any stage of the recruitment process whether for interviews, assessments, or other parts of the application—we encourage you to let us know. We are committed to ensuring that every candidate has a fair and accessible experience with us.