kota - Senior Product Engineer (Backend) - Investments Team
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Requirements
• 6+ years building backend systems in production. We use .NET 8, PostgreSQL and Azure • Experience designing and maintaining integrations with third-party APIs • Strong understanding of data modelling, event-driven patterns, and building for correctness and auditability • Cloud experience with Azure or AWS. You're comfortable owning infrastructure, not just code • You think carefully about reliability, security, and compliance • You thrive at designing the product as a whole, not just the backend APIS. We need someone that will take the initiative and make product decisions • Comfortable with ambiguity and ownership in a fast-growing startup • AI-forward mindset - We are constantly evolving how we how we use AI to build products and improve our systems and engineering practices. You should lean into that, be actively curious about it and want to help push it further
Responsibilities
• Design and build the backend systems that power Kota's pension and retirement savings products including contribution flows, onboarding flows, provider integrations and employer-facing configuration • Own technical architecture decisions for the Investments stream • Integrate with external pension and savings providers, building robust, well-tested integrations that handle the messiness of real-world financial systems • Collaborate closely with the Product Lead, frontend engineers, and the broader integrations team to deliver features that work seamlessly endto-end • Continuously improve the stability and observability of the systems you own • Contribute to code reviews, technical planning, and a culture of high standards without bureaucracy • Help shape how the Investments team works. This is a senior role and we'll look to you for technical leadership as the team grows
Benefits
• Technically interesting problem — pension infrastructure is genuinely complex: multi-provider, multi-market and largely unmodernised. There's a lot of real engineering to do here. • Modern stack — .NET 8+, PostgreSQL, Azure/AWS, event-driven. • Agency — we hire people and trust them. You'll own meaningful parts of the system end-to-end, not just be sent tickets. • High-quality culture — we care about clean design, quality, and thoughtful engineering. You'll work with people who sweat the details. • Impact from day one — we're a small, focused team. What you build ships fast and matters. • Care deeply — our products are our story; we look at the details and go the extra mile to delight customers • Integrity — we care deeply about our why and it won't jeopardise our how • Fearless — we exist because we decided to say no to the norm; now we do this every day • Raise the Bar — we push past good enough — expect more, move faster, raise the standard • Ownership — ask why, do the work, get the data, solve the problem, be an owner • Our Hiring Process • We like to keep things simple and respectful of your time. • Introductory Call (30 mins): A casual chat with one or two members of our product team. We'll learn about you and tell you more about Kota and the role. • Technical Interview (~90-120 minutes): A collaborative, open-book session with two of our engineers (sometimes split across two sessions). • You'll work through a real-world problem together. We focus on how you think and approach system. • Call with Founders (30 mins): We're a small but growing team and we'd love to share our vision with you and hear your thoughts. • Final Response: We'll follow up promptly with next steps. • Health Insurance via Kota • Workplace Pension with matched contributions up to 5% via Kota • WFH stipend to support your home office setup • Generous Paid Time Off — work hard and take the time you need • Access to office space in Dublin or a co-working space, wherever you're based • Flexible working hours — we're remote-first with some fixed hours for team alignment
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