Job Detail

Software Engineer - Java - Payments

Others Full–time
ID: #2357
Posted: 2026-03-10
Salary

Description

Senior Backend Engineer - Java London | Hybrid (3 days in office) | Full-time We’re working with a seed-funded fintech startup building the infrastructure behind how money moves in real time. The company has secured early funding and is now building out the core engineering team responsible for shaping the platform from the ground up. The product vision is clear, the early architecture is in place, and the next phase is about building and scaling the core systems that power it. This is an opportunity to join very early in the journey, working alongside a small group of engineers where every hire plays a meaningful role in shaping the technology, product, and engineering culture. If you enjoy building things early, solving hard engineering problems, and having real ownership over what you ship, this could be a great fit. What you’ll be working on You’ll be building the backend services that power real-time financial transactions and decision-making across the platform. The systems are distributed, event-driven, and designed to operate reliably at scale. As part of a small team, you’ll be involved in both building the platform and shaping how it evolves technically. Your work will include: • Designing and building backend services that form the core of the platform • Developing Java services that handle real-time processing and decision making • Contributing to architecture and system design as the platform grows • Building resilient, observable systems designed for high throughput • Working closely with a small team of engineers to ship quickly and iterate Tech stack • Java (modern versions) • Distributed microservices • Event-driven systems (Kafka or similar) • AWS cloud infrastructure • Docker and Kubernetes • APIs connecting services across the platform • SQL databases • CI/CD and modern DevOps practices What they’re looking for • Strong backend engineering experience with Java • Experience building distributed systems or high-scale services • Exposure to event-driven architectures • Engineers who enjoy building early-stage products • Comfortable operating in a fast-moving startup environment • Someone who enjoys ownership and shaping technical direction Why join • Seed-stage company with strong early backing • Equity / share options as an early team member • Join a small engineering team building the core platform • Opportunity to shape architecture, systems, and engineering culture • Hybrid working with 3 days per week in the London office This is a strong opportunity for engineers who enjoy the pace, ownership, and technical challenge of joining a company early and helping build something from the ground up.

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Query Country Status Response ms Created
Software Engineer - Java - Payments fallback 600 2026-03-21 19:12
junior backend developer in United Kingdom gb processed 19141 2026-03-21 15:30
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