(remote) Senior Fullstack Engineer (Remote)

(remote) Senior Fullstack Engineer

About the job

Your missionWe're looking for a Senior Fullstack Engineer to join our core team and contribute to the ongoing evolution of our architecture and engineering practices through hands-on development. As part of this role, you'll help us improve development velocity by simplifying complexity, reducing knowledge silos, and fostering better technical collaboration.As an early-stage startup, we value adaptability, initiative, and fast learning. You’ll thrive here if you’re comfortable navigating ambiguity, iterating quickly, and contributing to a mission-driven product.As a senior individual contributor, you’ll work closely with the Head of Engineering, supporting technical direction and ensuring alignment between implementation and architecture through hands-on execution.

Your profile

Core Responsibilities

• Take hands-on ownership of key initiatives across our fullstack environment, bridging the gap between database and frontend with performance-sensitive API design and pragmatic use of GraphQL, performance-sensitive query implementation, and scalable architecture decisions
• Improve performance, evolve our current GraphQL setup, and simplify the hybrid Hasura-Yoga architecture to reduce technical debt
• Make effective tradeoffs that consider business priorities, user experience, and a sustainable technical foundation
• Collaborate closely with teammates and mentor through pairing, code reviews, and knowledge sharing
• Introduce and enforce best practices, and drive continuous system-level improvement

What You Bring

Must-Haves:

• 5+ years of experience building and maintaining production systems
• Strong fullstack experience, with confidence across backend (Python, Node.js), databases (Postgres), and React/Next.js frontend—including experience designing and evolving GraphQL APIs
• Strong communication skills and a collaborative mindset
• Self-directed and execution-focused
• Early Stage Startup Experience

Nice-to-Haves:

• Experience with technologies like Hasura, Yoga GraphQL Server, Prisma, and schema stitching
• Experience in system-level refactoring and performance optimization
• Experience with cloud infrastructure, Docker and continuous delivery
• Experience in ClimateTech, geospatial data, or scientific computing environments

Logistics

Reports directly to the Head of EngineeringRemote within CET ± 2 h, 3x year team offsites + optional workshopsHigh autonomy, rapid iteration, and collaborative team workWork together with the Tech team: Senior Frontend + UX Engineer, Working Student QA Engineer, Data Operations Engineer, Head of Engineering, Head of Product Intelligence

Why us?

Compensation & Incentives Competitive base salary: 70 - 90k Base Salary, depending on experienceMeaningful equity stake. Our Values Maximize Impact Fast – We prioritize action and outcomes that move the needle.Sustainable Performance – Sustainable performance = intensity + well-being.Own It, Win Together – High individual ownership, shared wins.Learn, Grow, Adapt – We experiment boldly and improve continuously.

Why Join Us?

At repath we’re building a movement.We’re a mission-driven team pioneering tools and insights that help people and organizations adapt to climate change with resilience and purpose.Joining us means:

• Working on challenges that truly matter to the planet
• Being part of a team that values courage, care, and curiosity
• Helping shape solutions that empower others to navigate uncertainty with clarity and impact
• Remote-first with core hours (10am–3pm CET)
• Competitive salary + meaningful equity (Virtual Stock Option Plan)
• Support for your growth & development

If you’re ready to build what doesn’t exist yet — and do it with heart — we’d love to meet you.

What do we offer?

Let´s talk about money: 70 - 90k Base Salary. Please share your desired compensation based on your experience and qualifications. The package includes a competitive base salary and VSOPs.Become part of something bigger! Our Vision 2030 repath is the leading SaaS platform for the necessary change of climate adaptation. We have achieved a major impact on sustainable growth and a more liveable world with our purpose being our compass.Have and be a real part of repath – Virtual Stock Option Program– we are searching for entrepreneurs. We do this together, so we share the successes. Take part in our upside potential.Do what you love and are best at, while creating real world impact within a collaborative, cross-functional, new work environment with flexible, self-responsible work(ing hours) co-creating with experienced climate scientists, engineers and mature individuals.We are ever evolving and so are you. Making sure that we grow together and find everyone's perfect spot at the table is our goal and offer for your personal and professional development. Ready to Build Something That Matters?Help us shape a scalable, AI-powered growth engine to accelerate climate adaptation.

Apply now

- we’d love to hear from you.

About us

repath is a pioneering early-stage Climate Adaptation startup based in Hamburg, Germany, with a dynamic, remote-first team. We identify infrastructure vulnerabilities, empowering our customers to proactively manage climate risks, enhance resilience, and secure long-term operational reliability.Driven by our core purpose—empowering society to adapt swiftly and confidently to accelerating climate change—we help keep critical systems running, protect communities, and shape a thriving, sustainable future. At repath, we’re not just building technology; we’re creating real, measurable impact for people and the planet.repath’s groundbreaking vulnerability intelligence empowers infrastructure leaders worldwide to transform resilience into advantage, keep the world running, and shape a thriving, sustainable future.Read more about our culture and values here: the People behind repath!