Senior Full Stack Engineer

Upvest

Job

In this role, you will develop applications that span the React/TypeScript frontend and Go backend services, implementing modern security practices and leveraging AI tools for enhanced efficiency.

Job summary

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Job technologies

Your role in the team

  • Take operational problems from concept to production, working across our React/TypeScript frontend and Go backend services.
  • Own modern interface security. Upfront is where external users act on real end-user data, so you will tackle per-client isolated environments, least-privilege access, and Auth0 integrations in a regulated space.
  • Expand the operational surface across Upvest's internal domains and develop a deep understanding of how our core systems piece together.
  • Help define how software delivery works in an AI-enabled company by pushing AI tooling to its limits to maximize quality and speed while staying compliant.
  • Build agentic operations as we move toward exposing Upfront over MCP. Every action requires a strict audit trail, so you will solve real design problems around what an agent can do autonomously versus what requires human intervention.
  • Arbeiten Sie in wöchentlichen Zyklen mit zweiwöchentlichen Retrospektiven, um eine hochwertige und häufige Auslieferung zu priorisieren.

Our expectations of you

Qualifications

  • A strong product engineering mindset where you care about the 'why' just as much as the 'how' and proactively bring ideas to the table.
  • Deep knowledge of authentication, authorization, and security best practices.
  • A strong focus on quality, extensibility, and automated testing.
  • True end-to-end ownership across containers, CI/CD pipelines, and relational data modeling.
  • A working understanding of event-driven architectures.
  • A pragmatic approach to engineering and the ability to make smart tradeoffs under constraints.
  • The ability to navigate undefined problems and align other teams without needing formal authority.

Experience

  • Solid backend experience in Go, Java, or Kotlin (we build in Go but will give you time to ramp up).
  • Practical experience building modern client-facing interfaces using React and TypeScript.
  • Experience building products that require per-customer configuration without devolving into a custom fork per client.
  • Real-world experience using AI tools to drive software engineering workflows, not only writing code snippets.

What we offer

  • 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.
  • 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.
  • Growth is in our DNA. Each Upvenger has access to a personal development budget and the freedom to decide how to use it.
  • 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.
  • We believe that all Upvengers contribute to our success and deserve a competitive, above-market salary and a participation in our employee equity program.

Benefits

Health, fitness & fun

Topics you will work on

Job locations

About your employer

Upvest, a fintech startup founded in 2017 in Berlin, offers a modular digital infrastructure and an investment API that enables companies to create customized investment products.

Company type
Startup
Work model
Full Remote, Hybrid, Onsite
Industry
Banking, Finance, Insurance
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Senior Full Stack Engineer

Upvest