Top Fintech Software Engineer Jobs

The Staff Software Engineer will lead the development of a scalable lending ecosystem, architect customer-centric financial products, and maintain product performance through collaboration with teams and implementation of best practices.

Create, edit, and publish structured technical content (trade desk notices, specs, runbooks) using DITA/CCMS and AI tooling. Collaborate with Operations, Engineering, Legal, and Business teams, maintain version control, validate XML, improve AI-assisted workflows, and maintain process and knowledge documentation to support global operations.

Hands-on senior full-stack technical lead (backend-focused) for a data-intensive FinTech SaaS platform. Own domain architecture and delivery, design APIs and systems for performance and security, mentor engineers, lead client-facing initiatives, support production, and collaborate with product and leadership on technical strategy and hiring.

Work with founders, product, and design to define and build new products and features. Lead development, architect data models and interfaces, ensure code stability, performance, and correctness, and build internal tools to increase engineering productivity and leverage.

Design, build, and integrate RPA and IDP automation solutions (primarily Automation Anywhere) with system integrations and AI services. Collaborate with stakeholders and Agile teams to gather requirements, implement secure scalable solutions, perform testing, debugging, root cause analysis, and support operational SLAs while adhering to CoE standards, change management, and security practices.

Build and optimize high-performance C/C++ and Rust server applications and feed handlers for market data. Implement parsers, petabyte-scale processing tools, and low-latency, high-throughput optimizations. Collaborate on build/deploy/CI, monitoring, and ensure reliable feature rollouts.

Design, build, and maintain backend services and APIs; own systems in production for reliability, performance, and scalability; debug across application, infrastructure, and data layers; contribute to CI/CD and incident response; collaborate on system design and technical tradeoffs.

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Build and maintain BitMEX's React-based web frontend and supporting APIs for a real-time trading terminal. Design and implement features, fix bugs, optimize performance and security for low-latency data flows, integrate with backend Engine teams, evaluate stack components, participate in reviews, mentor junior engineers, and contribute to architectural decisions.

Lead technical execution for projects aimed at user acquisition, activation, and retention while collaborating cross-functionally and analyzing data to improve strategies.