Job
- Level
- Senior
- Job Field
- Web, Full Stack, Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Berlin
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you'll build modern web applications using React/TypeScript, architect features across the full stack, and handle backend tasks with Go, all while collaborating closely with Product and Design.
Job Technologies
Your role in the team
- We're looking for product-minded engineers to join our diverse and driven team. We really value collaboration, making an impact, and continuous learning. Our product development team is based in Berlin, but we have folks working all over Europe, and you'll work closely with an experienced and supportive team.
- In this role, you won't just be "flipping a switch" on the frontend; you will be architecting features from the browser to the API. Your center of gravity is the React/TypeScript frontend, UI architecture, state, performance, polish, but you'll move into the Go backend whenever the feature requires it. This is not a frontend-only role: there will be regular backend work, and a clear interest in growing into our Go stack is essential. You'll join an experienced and supportive team where you'll have a significant voice in shaping both our technical direction and the product itself.
- This is a role for an engineer who lives in the frontend but enjoys reaching across the stack. You'll thrive here if you can: Own the Full Lifecycle: Build, scale, and maintain modern web applications where the heavy lifting sits in our React/TypeScript frontend, with the willingness to ship in Go on the backend whenever a feature calls for it, Bridge the Gap: Design and implement frontend architectures that integrate seamlessly with clean Go APIs, and contribute to those APIs when the feature requires it.
- Architect for Scale: Maintain high standards for code quality and performance across the entire stack, from frontend component libraries to backend microservices.
- Collaborate Broadly: Work closely with Product and Design to turn ambiguous requirements into polished features.
- Agentic Engineering Mindset: You treat AI coding agents (Claude Code, Codex, and the like) as real collaborators, not autocomplete. You own every line that ships under your name, whether you typed it or an agent did. You're motivated to deep-dive into agent workflows and bring the judgment that turns agent output into production-grade code.
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Our expectations of you
Qualifications
- We are looking for a Senior Fullstack Engineer with deep expertise in React/TypeScript to join a diverse, product-minded team that values collaboration, impact, and continuous learning.
- Engineers are expected to be comfortable navigating the entire stack (both Frontend and Backend).
- The Frontend: Deep fluency in React/TypeScript. You move comfortably through modern tooling (e.g., Redux Toolkit, Styled Components, Storybook) and you care deeply about quality, ensuring your features are backed by solid testing frameworks (Jest, Cypress, or Playwright).
- System Ownership: A "DevOps" mindset, comfortable with CI/CD, automated testing, and version control.
- Communication: Fluent English and the ability to explain complex technical trade-offs to non-technical stakeholders.
Experience
- To Be Successful in This Role, You'll Need: Experience: at least 6+ years of professional software engineering experience in a production environment.
- The Backend: Solid backend fundamentals from production work, you've built and maintained server-side systems, ideally including web APIs. You don't need prior Go experience on day one, as long as you have rock-solid backend fundamentals and are motivated to master Go.
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What we offer
- Impact from Day One - Your ideas are valued, and you actively shape our direction. No long feedback loops or complex hierarchies - you'll have a direct impact on what you do.
- Trust - We believe in our mission and in our team, offering trust-based working hours, permanent contracts, flexibility for home-country working.
- Flexibility - We offer flexible working hour arrangements to ensure a healthy work-life balance.
- Team Spirit - Shared rituals connect us, whether online or offline. We have regular formats like all-hands meetings, demo sessions, quizzes, and offsites - perfect opportunities to spend time as a team.
- Personal Growth - Learn from experienced colleagues and leverage the latest technologies and methodologies to succeed in your role.
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Topics that you deal with on the job
Job Locations
This is your employer
topi GmbH
topi GmbH offers an innovative Hardware-as-a-Service solution for business customers as a fintech. With flexible rental contracts, companies can efficiently use IT hardware without having to purchase it. The company promotes sustainable procurement processes and cash flow optimization.
Description
- Company Type
- Startup
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Banking, Finance, Insurance
Senior React Engineer
- Location
- Berlin
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
- English Only
- English only required
