United States Digital Space LLC
Senior Backend Engineer - Greenfield Data Pipelines
Build a greenfield data platform from scratch: design APIs, orchestrate data pipelines, and set engineering standards in Python for a fast-moving startup.
Senior Java Backend Engineer for FX Trading
Build and maintain scalable Java-based systems that power FX trading infrastructure, collaborating with engineers and product teams to deliver high-performance trading software.
Principal Mobile Engineer (React Native) – AI, Equity
Leads mobile engineering for consumer apps using React Native, optimizing performance and stability while mentoring the team.
Senior Backend Engineer — Java & Spring Boot Platform
Build and lead backend services in Java/Spring Boot for J.P. Morgan’s Personal Investing platform, focusing on scalable, secure libraries and asynchronous architectures.
Full Stack Engineer - Java/React, Hybrid in London
Builds and deploys scalable Java/React applications on AWS, modernizing lending and banking platforms in a hybrid, agile team.
Python Backend Engineer — Build scalable services
Build and maintain scalable Python backend services powering a global network of websites and digital properties.
C# Front-End Bond Trading Developer
Develop and maintain C# WinForms desktop applications for bond trading workflows, collaborating with engineering and product teams to enhance enterprise-scale trading technology.
Pre-Sales Solutions Architect — React Native (Kansai)
Pre-sales Solutions Architect designing AI, analytics, and cloud solutions for technical evaluations in the Kansai region, focusing on client-facing solution design.
Senior Lead Software Engineer - React Native
Lead a team building a new mobile banking app using React Native, TypeScript, and cloud-native microservices, ensuring seamless cross-platform UX and robust security.
Senior Java Backend Engineer (Spring Boot & Microservices)
Designs and maintains Java 17/21 backend services using Spring Boot and microservices architecture, building scalable RESTful APIs with a focus on clean, maintainable code.
Senior Full-Stack Engineer — React/Node, Scale & Mentorship
Builds full-stack React/Node.js systems for J.P. Morgan’s data-center infrastructure, focusing on security, scalability, and mentoring junior engineers.
Lead Backend Engineer (Routing Squad)
Lead a backend team building routing and planning systems that match supply-demand, optimize parcel distribution, and scale a sustainable electric delivery network in Europe.
Cloud-Native Backend Engineer (AWS, Hybrid)
Designs and builds cloud-native backend services on AWS using Python (FastAPI/Flask) for a platform serving millions of connected devices, with CI/CD, observability, and hybrid office presence.
Senior Backend Engineer - Cross-Border Payments
Owns backend services for multi-currency balances in a fintech company, mentors engineers, and leads modernization of legacy systems using C#/.NET and AWS.
Senior Backend Engineer — Payments & Fintech
Designs and maintains core backend systems for payments and internal operations using Java and Spring Boot.
Senior Backend Engineer (Outside IR35)
Senior Backend Engineer builds data pipelines and APIs to turn legacy business data into structured inputs for AI models, using Python, PostgreSQL, and cloud services in a greenfield startup.