Senior Software Engineer (f/m/d)

At Upvest, we are on a mission to make investing as easy as spending money. Upvest empowers businesses to offer a wide range of investment products and the best experience in the field of capital market investment and retirement planning. Upvest’s Investment API is easy to integrate so that fintechs and financial institutions can save resources and fully focus on their core business. We are proud to partner with Europe’s leading Fintechs and financial institutions such as DKB, Revolut, N26 and Raisin. Founded in 2017 by Martin Kassing, Upvest now brings together over 270 talented professionals from more than 70 nationalities. Upvest is backed by €280M in total funding from world-class investors, including BlackRock, Tencent, Sapphire Ventures, and Bessemer Venture Partners, Earlybird, Notion Capital, and Motive. Our latest €110M funding round in March 2026 - led by Sapphire and Tencent - serves as a massive catalyst for our growth, allowing us to offer premier investment experience. ABOUT THE ROLE: Our hubs are in Berlin, London and Tallinn, but we are open to hire remotely from Europe and United Kingdom. WHAT YOU’LL DO: - Make an impact in a true product team with a large ownership scope. - Work with cutting-edge technologies (Go is the primary language; it’s okay if you’re willing to switch from another language) without a legacy codebase. - Work on improving the reliability of our API. - Deliver fast and often. We embrace an agile methodology with a retrospective and demo at the end of the two-week cycle. - Design, build and own event-driven, fault-tolerant, horizontally scalable distributed systems using a Microservice architecture powered by Docker, Kubernetes, Kafka and PostgreSQL. IT’S GREAT IF YOU HAVE: - Experience with Investment products or the Fintech domain, in general. - Experience in event-driven architectures, event streaming, and event sourcing systems. - Experience with operating services in a decoupled, event-driven system, leveraging modern observability tooling (e.g. monitoring and tracing). YOU’RE LIKELY TO BE SUCCESSFUL IN THIS ROLE IF: - You're excited about fintech and building the financial infrastructure of tomorrow. - You work with the customer in mind. - You are a true team player and feel energized in diverse teams. - You're hungry to learn and eager to grow quickly. HOW WE UPVEST IN YOU: - Best-in-class AI tools: Every Upvenger has €20,000 per year to spend on the best AI tools available — so you're always working with the most powerful models and tooling on the market. - Impact-driven work: We’re building the infrastructure that will power the future of investing in Europe. It’s complex, ambitious, and meaningful. You’ll work with modern technologies and create something entirely new. No legacy systems, no limits. - Wellbeing: Recharge with 30 days of annual leave and maintain a healthy lifestyle with sports benefits. Access confidential professional coaching and enjoy the flexibility to work remotely abroad for up to 183 days a year. Recharge with UpRest, a one-month fully paid sabbatical after every 4 years of working at Upvest. - Development: Growth is in our DNA. Each Upvenger has access to a personal development budget and the freedom to decide how to use it. - Flexible work environment: Work from any of our hubs in Berlin, London or Tallinn hybrid or remotely across Europe, depending on the role. We give you the choice and budget to work where you’re most comfortable and productive, either at home or in the office. You choose. - Compensation and equity: We believe that all Upvengers contribute to our success and deserve a competitive, above-market salary and a participation in our employee equity program. - Team celebrations: Participate in company-wide events, such as UpFest, dinners, offsites and our Holiday party, to connect with colleagues and celebrate our achievements. - Inclusion: We’re committed to a culture where everyone belongs and thrives. Our Employee Resources Groups foster i