Full Stack Engineer

None  •  IT & Software  •  Berlin, Germany

<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> <p><strong>About Us</strong></p><p>At Prospecter Ventures, our mission is to transform how people engage with technology in the modern era. Our product leverages cutting-edge large language models to make sophisticated financial research and decision-making personalised, accessible, and affordable for everyday investors — while strictly adhering to EU data-protection standards (GDPR/EUDPR). We're pre-launch, lean, and building something we care deeply about getting right.</p><p><br/></p><p><strong>Role</strong></p><p>We're looking for a mid/senior, hands-on full-stack engineer to help us build toward launch: shipping new features end to end across our Python backend and React frontend, multi-user product, and integrating the third-party services the product depends on. You'd be part of our core engineering team at a pivotal, pre-launch moment, working directly with the founders. We're open on the engagement model — freelance or employed — and will shape it around the right person.</p><p><br/></p><p><strong>The setup</strong></p><p>We're pre-launch and lean, with a working product built. Your tasks will be a mix of new-feature building, commercialisation (multi-user, billing), and third-party integration — with real ownership and a direct line to the founders. Whether you'd rather work as a freelancer or come on as an employee, we're flexible and will shape the arrangement together.</p><p><br/></p><p><strong>What you'll do</strong></p><p>• Build new features end to end, across a FastAPI / Python backend and a React / TypeScript frontend.</p><p>• Take single-user features to multi-tenant: user accounts, data isolation, authentication, and subscription billing — the commercialisation foundation for launch.</p><p>• Integrate the services the product runs on — banking / broker aggregation, market data, filings, notifications, voice, and more — cleanly and reliably.</p><p>• Work across our data pipelines: scheduled jobs, LLM-powered summarisation and sentiment, caching, and persistence.</p><p>• Review and harden already-built features (originally built for a single use case) so they're ready for a commercial, multi-user product.</p><p>• Collaborate closely with the founders and rest of the team on product and architecture</p><p><br/></p><p><strong>Our stack</strong></p><p>• <strong>Backend: </strong>Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic.</p><p>• <strong>Frontend: </strong>React 18, TypeScript, Vite, Tailwind, React Query.</p><p><br/></p><p><strong>Who this is for</strong></p><p>A mid/senior, genuinely hands-on engineer who likes owning features end to end and is energised by taking a lean, pre-launch product to commercial readiness on a small, founder-led team — rather than filling a narrow slot in a large org.</p><p><br/></p><p><strong>Qualifications</strong></p><p>• A strong track record building and shipping production software across both a Python backend and a React / TypeScript frontend.</p><p>• Solid with FastAPI (or a similar async framework), PostgreSQL, and SQLAlchemy / Alembic.</p><p>• Fluent in React + TypeScript + Tailwind, and comfortable in data-dense interfaces.</p><p>• Experienced integrating third-party APIs and building or operating scheduled data pipelines with sensible error handling.</p><p>• Comfortable evolving a codebase from single-use to multi-tenant — authentication, data isolation, and billing.</p><p>• Pragmatic and ownership-minded: you ship, and can carry a feature from idea to production with little oversight.</p><p>• Excellent written and verbal English.</p><p><br/></p><p><strong>Added benefits</strong></p><p>• Experience in fintech, market data, or financial APIs.</p><p>• EU fintech / open-banking integration experience (PSD2 aggregation, brokerage).</p><p>• Hands-on with LLM / embedding provider APIs.</p><p>• Payments (e.g. Stripe) and multi-tenant SaaS experience.</p><p>• Data-privacy / GDPR-aware engineering.</p><p>• An eye for design and UX detail.</p><p>• A genuine interest in investing and financial markets.</p><p>• Fluency in German.</p><p><br/></p><p><strong>Location, legibility and work environment</strong></p><p>Based in Berlin. Candidates must hold EU/EEA or Swiss citizenship, or an existing right to work in Germany.</p><p>This is a hybrid role, hence candidates should be based in the Berlin region.</p> </div>

Prospecter Ventures

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Job Overview
  • Datum der Veröffentlichung

    Jul 22, 2026

  • Kategorie

    IT & Software

  • Job Type

  • Standort

    Berlin, Germany

  • Arbeitgeber

    Prospecter Ventures

  • Source

    LinkedIn