Senior Full Stack Developer (React/Java)

Job Summary

Fully onsite in McLean, VA location: McLean, Virginia
job type: Contract
salary: $70 - 100 per hour
work hours: 9am to 5pm
education: Bachelors

Responsibilities

• Frontend Development: Design and build responsive, performant UIs in React (with TypeScript preferred) that allow users to configure, run, and visualize results across multiple security types.
• Code Quality & Testing: Write clean, maintainable code backed by comprehensive automated tests using React Testing Library / Jest, with strong unit and integration coverage.
• Technical Debt & Continuous Improvement: Proactively identify and resolve defects, reduce technical debt, and champion software engineering best practices across the codebase.
• Collaboration & Delivery: Coordinate across the full stack - data, services, APIs, and infrastructure - to deliver end-to-end.
• Design & Code Reviews: Actively contribute to architecture discussions, pull request reviews, and technical documentation with a focus on thoughtful, scalable design

Qualifications

• Required Qualifications: 5+ years of professional software development experience, with strong proficiency in TypeScript and React, including component architecture, state management (e.g., Redux, Zustand, or React Query), and API integration. 2-3 years of experience with Git in a collaborative, team-based development workflow (branching strategies, PRs, code reviews).
• Preferred Qualifications: Graduate degree in Computer Science, Mathematics, Statistics, or a related quantitative discipline. Familiarity with relational databases and writing complex SQL queries. Experience with message brokers or event-driven architectures (e.g., Kafka, RabbitMQ) in a financial services context. Experience developing a Spring Boot backend Exposure to cloud platforms (AWS, Azure, or GCP) and CI/CD pipeline tooling (Jenkins, GitHub Actions, etc.). Experience using JIRA or similar tools for Agile planning, sprint tracking, and delivery management. Prior experience in financial services, capital markets, or fintech environments. Proficiency with shell scripting for automation, deployment support, and operational troubleshooting. Working knowledge of fixed income concepts: duration, convexity, spread, option-adjusted spread (OAS), and related derivatives.

Benefits

This posting is open for thirty (30) days.