Job Description
Senior Software Engineer | Start-up | Fintech | LondonnnAbout the CompanynnHyre AI is partnering with a fast-growing, well-funded fintech startup building critical infrastructure for modern payment systems.nnThis is a business focused on one of the most pressing challenges in financial services today: helping institutions better understand and assess transactions in real time, reducing fraud, preventing scams, and enabling safer, faster payments without adding friction for genuine users.nnTheir platform sits at the intersection of data, intelligence, and decisioning; combining real-time analysis, multiple data sources, and adaptive systems to bring greater clarity to complex payment journeys.nnThey’ve already gained strong traction with major financial institutions and are now scaling both product and engineering. As part of that growth, they’re hiring a Senior Software Engineer to join a high-calibre team working across backend systems, infrastructure, and product.nnAbout the RolennAs a Software Engineer, you’ll play a key role in building and scaling the core systems behind the platform.nnThis is not a narrow feature delivery role. You’ll be working on backend services, APIs, and infrastructure that power real-time decision-making systems in a high-stakes environment.
The work spans backend engineering, cloud infrastructure, and product development; ideal for someone who enjoys solving complex problems with real-world impact.nnYou’ll be working onnn * nn Building and maintaining high-performance backend services using Pythonnn * nn Developing and integrating APIs that support real-time transaction analysisnn * nn Contributing to scalable cloud infrastructure using GCP and Terraformnn * nn Collaborating with front-end engineers to deliver user-facing features (TypeScript, React)nn * nn Optimising data storage and query performance across SQL-based systemsnn * nn Improving system reliability, performance, and observabilitynn * nn Working closely with product and engineering teams to ship meaningful features quicklynnThis is the kind of role where you’ll gain strong ownership and exposure to both product and system design.nnRequired Skillsnn * nn 4+ years of professional experience in software engineeringnn * nn Strong experience with Python, particularly in backend developmentnn * nn Experience with TypeScript and/or React is beneficialnn * nn Familiarity with cloud platforms (ideally GCP) and infrastructure as code (Terraform)nn * nn Solid understanding of relational databases and SQLnn * nn A proactive, problem-solving mindset and ability to work in fast-moving environmentsnn * nn Curiosity, ownership, and a desire to build scalable, well-engineered systemsnnNice to Havenn * nn Experience within fintech, payments, or data-heavy environmentsnn * nn Exposure to microservices architecture and containerisation (Docker/Kubernetes)nn * nn Experience with CI/CD pipelines and testing frameworksnn * nn Awareness of security best practices in modern software developmentnnCompensation packagenn * nn Equity optionsnn * nn Hybrid working (London-based, 3+ days in office)nn * nn The opportunity to work closely with a high-performing, early-stage teamnnWhy JoinnnThis is a chance to work on a genuinely important problem with real-world impact.nnYou’ll be joining a company tackling the growing complexity of modern payments; helping financial institutions better detect risk, reduce fraud, and build more intelligent transaction systems.nnIf you’re looking to deepen your technical skills, work closely with experienced founders, and contribute to a product at an early and high-growth stage, this is a strong opportunity
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