Senior Software Development Engineer

Luma Financial Technologies; Lisboa; On-site; EUR 90,000 - 130,000; Full time

Job summary

Luma Financial Technologies in Lisbon, Portugal is seeking a highly skilled Software Development Engineer to design and implement integrations with our platform. You will collaborate with engineers, product owners, and business teams to create scalable, secure solutions and maintain high performance.

The role emphasizes test coverage, CI/CD, production support, and working across time zones in a decentralized team.

Qualifications

• Bachelor’s degree or higher in CS, Eng, or related field.
• At least 7 years of professional software development experience.
• Excellent communication and teamwork.
• Experience in fast-paced agile environments.
• Proven track record designing large-scale, secure, high-traffic distributed systems.
• Proven track record writing high-quality, scalable and maintainable code.
• Strong experience with React and Angular frontend applications.
• Strong experience with Java and Spring Boot framework.
• Experience with relational and non-relational databases.
• Experience with Microservices architecture and design patterns.
• Experience working with stakeholders to build end-to-end solutions.
• Hands-on experience with cloud computing (AWS preferred).
• Hands-on experience with all aspects in AI‑DLC
• Experience mentoring junior engineers.
• Experience coding with AI tools like Claude Code and AWS Kiro.

Responsibilities

• Design and implement scalable SPA based on microservice architecture
• Develop and maintain high-performance React and Spring Boot applications
• Make architectural decisions to design scalable, maintainable, reliable systems
• Design data models in relational and non-relational databases
• Implement comprehensive testing strategies
• Implement robust monitoring and alerting solutions
• Collaborate with cross-functional teams to refine and drive technical solutions
• Work in a fast-paced environment with shifting priorities
• Stay up to date with emerging technologies and best practices
• Mentor junior team members in AI-DLC practices

Skills

React

Angular

Java

Spring Boot

Microservices architecture

Relational databases

Non-relational databases

CI/CD

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

AWS

Job description

About Luma Financial Technologies

Founded in 2018, Luma Financial Technologies (“Luma”) has pioneered a cutting‑edge fintech software platform that has been adopted by broker/dealer firms, RIA offices, and private banks around the world. By using Luma, institutional and retail investors have a fully customizable, independent, buy‑side technology platform that helps financial teams more efficiently learn about, research, purchase, and manage alternative investments as well as annuities. Luma gives these users the ability to oversee the full, end‑to‑end process lifecycle by offering a suite of solutions. These include education resources and training materials; creation and pricing of custom structured products; electronic order entry; and post‑trade management. By prioritizing transparency and ease of use, Luma is a multi‑issuer, multi‑wholesaler, and multi‑product option that advisors can utilize to best meet their clients’ specific portfolio needs. Headquartered in Cincinnati, OH, Luma also has offices in New York, NY, Miami, FL, Zurich, Switzerland and Lisbon, Portugal. For more information, please visit Luma’s website.

About Luma Financial Technologies

Founded in 2018, Luma Financial Technologies (“Luma”) has pioneered a cutting‑edge fintech software platform that has been adopted by broker/dealer firms, RIA offices, and private banks around the world. By using Luma, institutional and retail investors have a fully customizable, independent, buy‑side technology platform that helps financial teams more efficiently learn about, research, purchase, and manage alternative investments as well as annuities. Luma gives these users the ability to oversee the full, end‑to‑end process lifecycle by offering a suite of solutions. These include education resources and training materials; creation and pricing of custom structured products; electronic order entry; and post‑trade management. By prioritizing transparency and ease of use, Luma is a multi‑issuer, multi‑wholesaler, and multi‑product option that advisors can utilize to best meet their clients’ specific portfolio needs. Headquartered in Cincinnati, OH, Luma also has offices in New York, NY, Miami, FL, Zurich, Switzerland and Lisbon, Portugal. For more information, please visit Luma’s website.

About The Role

We are seeking a highly skilled and adaptable Software Development Engineer to design and implement integrations with our platform. In this role, you will collaborate with engineers, product owners, and business teams to understand requirements, design scalable and maintainable solutions, and ensure security by design. Performance is critical to providing a seamless user experience, and we expect you to optimize for efficiency and speed.

The ideal candidate will ensure timely delivery of high‑quality solutions. A strong focus on code test coverage, CI/CD best practices, and production support is essential. Given our decentralized team structure, the ability to work effectively across multiple time zones is required.

What You’ll Do

Key Responsibilities & Opportunities

• Design and implement scalable SPA based on microservice architecture
• Develop and maintain high-performance React and Spring Boot applications
• Involve in making technical decisions to design and optimize system architecture with a focus on scalability, maintainability and reliability
• Design data models in both relational and non-relational databases
• Design and implement comprehensive testing strategies
• Design and implement robust monitoring and alerting solutions
• Collaborate with cross-functional teams to refine and drive technical solutions
• Work in a fast-paced environment with shifting priorities
• Stay up to date with emerging technologies, architectures, and coding best practices and apply them in software development
• Mentor junior team members with the best AI-DLC practices

Qualifications

• Bachelor’s degree or above in Computer Science, Engineering, or a related field
• Minimum 7 years of professional software development experience
• Excellent communication and teamwork
• Proven experience working and striving in a fast pace and agile framework
• Proven record of designing large scale, secure, high traffic and distributed software system
• Proven record of writing high-quality, scalable and maintainable code
• Strong expertise in React and Angular frontend applications
• Strong expertise in Java and Spring Boot framework
• Strong experience in relational and non‑relational databases
• Strong experience of Microservices architecture and design patterns
• Experience working with internal and external stakeholders to build end to end solutions
• Hands‑on experience with cloud computing (AWS preferred)
• Hands‑on experience with all aspects in AI‑DLC
• Experience of mentoring and providing guidance to junior engineers
• Comprehensive experience in agentic coding with AI tools like Claude Code and AWS Kiro