Senior Full Stack React Engineer, topi
B2B subscription platform allowing retailers & manufacturers to rent out their equipment
Be an early applicant
B2B subscription platform allowing retailers & manufacturers to rent out their equipment
101-200 employees
Be an early applicant
101-200 employees
Company mission
To make access to IT equipment easier for business customers.
Role
Who you are
- 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)
- This is a role for an engineer who lives in the frontend but enjoys reaching across the stack
- Experience: at least 6+ years of professional software engineering experience in a production environment
- 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)
- 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
- 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
What the job involves
- 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
- 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
Our take
Despite radical changes in the world of B2C transactions, B2B payments are still restrictive, slow and plagued with bureaucracy. topi solves this problem by offering businesses innovative payment solutions, effectively bringing the "buy now, pay later" revolution from consumer spending to business purchases.
topi focuses on hardware subscriptions, allowing companies to offer hardware as a service to their own business customers. Aside from providing the logistics and insurance needed in these transactions, it provides APIs that allow sellers to integrate topi's hardware rentals to their existing sales channels. Also supporting upfront purchases and Klarna-like BNPL options, this added flexibility has proven attractive to businesses, and its initial rollout includes partners such as McSHARK, comspot and implement-it.
topi has benefited considerably from its founders' experiences at companies such as Goldman Sachs, Apple and BCG. Having also raised an impressive amount of funding, the company will now need to focus on expanding its sales and marketing efforts and fuelling growth through its growing list of online retailer partner companies.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
22% employee growth in 12 months
Company
Funding (2 rounds)
Aug 2022
$30m
EARLY VC
Dec 2021
$4.5m
SEED
Total funding: $34.5m
Company HQ
Government District, Berlin, Germany
Leadership
Charlotte Pallua
(Co-Founder & CEO)Charlotte previously worked at Apple as a Worldwide Strategy & Business Development Manager.
Estelle Merle
(Co-Founder & CPO)Prior to co-founding topi, Estelle was a Principal of Expansion & Technical Lead as well as a Director of Expansion at Via. Before that, they worked in Battery Storage at Tesla and as an Analyst and Associate at Goldman Sachs.
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