Sr Fullstack Java Developer-F2F-VA

Job Title: Senior Full Stack Developer (Financial Analysis Applications)Location: McLean, VA - Onsite - F2FDuration: Long Term ContractInterview Type: In Person InterviewJob DescriptionMust Have Qualifications:Candidates must have 5+ years of experience, with a strong emphasis on front end development (approximately 70%) using front end applications such as React and Typescript, complemented by back-end development (30%) using Java and Spring Boot.Candidates should have experience supporting fixed income applications, or a broader fixed income background, and be comfortable working with financed focused users.Freddie / Fannie experience is a strong plus.JOB DESCRIPTION:Financial Engineering: Senior Software Developer (Specializing Financial Analysis Applications)Position Overview: The client’s Investments & Capital Markets division is seeking a Senior Full Stack SoftwareDeveloper to join the team building our Derivative Analytics platform — a sophisticated, user-facing application that interfaces directly with the firm’s risk models and analytics engines.In this role, you will own the design and development of a modern React frontend and Spring Boot backend, enabling financial analysts and quants to model securities quickly, accurately, and intuitively.You’ll work closely with business stakeholders, quantitative analysts, and cross-functional engineering teams to deliver high-impact solutions in a financial environment.Required Qualifications:5+ years of professional software development experience, with strong proficiency in Java and the Spring Boot ecosystem (REST APIs, Spring Security, Spring Data JPA, etc.).3+ years of hands-on React development experience, 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).1–2 years of experience with containerization and orchestration technologies (Docker, Kubernetes, or Podman).Experience with TypeScript and modern React tooling (Vite, Next.js, etc.).Solid experience with JUnit and/or other automated testing frameworks; commitment to high test coverage.Strong communication skills with the ability to bridge technical and business conversations.• Demonstrated critical thinking, problem-solving ability.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.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.Key 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.Backend Development: Architect and develop scalable Spring Boot RESTful APIs and services that integrate with multiple upstream data sources and analytics systems.System Integration: Connect backend services to existing internal platforms to retrieve market data, run risk analytics, and surface results to end users.Code Quality & Testing: Write clean, maintainable code backed by comprehensive automated tests using JUnit and 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.