Senior Full Stack Software Engineer at Fiserv enhancing the Clover platform and mentoring teams. Engage in building reliable applications using Java, Typescript, and modern frameworks.
About the role
- Senior Software Engineer developing modern software solutions for EV leasing business in Germany. Collaborating with the General Manager to rapidly build and validate products.
Responsibilities
- Developing modern, responsive, and reusable frontends with React and TypeScript.
- Building fast, secure, and scalable backend services and APIs using Node.js, integrating with SQL and noSQL databases and 3rd party APIs.
- Deploying and maintaining your own systems on cloud hosting providers.
- Engaging in rapid prototyping, unit testing, and agile development cycles, using GenAI tooling where appropriate to accelerate delivery.
- Working in a paired environment as the senior engineer, while adhering to technical guidelines provided remotely by our UK team.
Requirements
- Native/C2 German and Professional English fluency.
- Extensive experience as a Senior Full-Stack Developer focused on speed and business enablement.
- Deep expertise in TypeScript, React, Node.js, and SQL/noSQL.
- Proven experience delivering prototypes or MVPs that were later deprecated or rebuilt, demonstrating a comfort with building transient solutions.
- Strong understanding of modern development workflows, including Git and CI/CD pipelines.
- Exceptional problem-solving skills and the ability to work autonomously and proactively.
- Motivated by business success and rapid validation over building a permanent, polished codebase.
- Comfortable with the ambiguity inherent in a new market entry.
- Biased toward shipping minimum viable solutions rapidly.
Benefits
- Don’t feel like you meet all of our hiring criteria? That’s OK, apply anyway! We’d love to hear from you and have a conversation.
- Octopus Electric Vehicles, part of the Octopus Energy Group, won the Sunday Times best company to work for in 2024. We were named 6th out of the top 100 start-ups to work for by Tempo in 2025 and on Glassdoor we were voted 50 best places to work in 2022. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people.
- Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it’s something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don’t advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn’t apply to Octopus - what’s more important to us is finding the right octofit!
- Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! Visit our perks hub - Octopus Employee Benefits
Job title
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Degree requirement
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