Software Developer, Senior

Freddie Mac•McLean, VA

About The Position

Build mission‑critical platforms at the intersection of finance, scale, and modern engineering. The Business Engineering (BE) group within the Investments & Capital Markets Business Technology Office (I&CM BTO) is at the forefront of building technology that powers trading and capital markets operations. We partner directly with business leaders, traders, and operations teams to deliver platforms that streamline complex workflows, reduce risk, and enable the firm to move faster with confidence. We are seeking a Senior Software Engineer to play a key role in designing and delivering enhancements to our next‑generation payments platform. This is a hands‑on senior role for an engineer who thrives on solving complex problems, influencing architecture, and delivering high‑quality systems under real‑world constraints.

Requirements

5–7 years of professional experience designing, developing, and testing enterprise‑grade software in an Agile environment.
Strong expertise in Java / J2EE and building scalable backend services.
Proven experience designing and consuming RESTful APIs using Spring Boot.
Solid experience with relational databases such as Sybase, SQL Server, MySQL, or DB2.
Front‑end development experience with Angular (v2+) and modern UI patterns.
Hands‑on experience with modern build, CI/CD, and containerization tools including Git, Gradle, Docker, Jenkins, and Eclipse.
Strong testing mindset, with experience writing JUnit tests using Mockito and leveraging test automation frameworks such as FitNesse.
Working knowledge and practical experience with GenAI‑enabled development tools (e.g., GitHub Copilot, LLMs, RAG, agentic workflows).
Bachelor’s degree in Computer Science or a related field.

Nice To Haves

You’re a problem solver first, comfortable navigating ambiguity and breaking down complex business challenges into technical solutions.
You combine strong engineering fundamentals with practical business acumen.
You communicate clearly with both technical and non‑technical partners and influence outcomes through collaboration.
You’re adaptable, curious, and energized by continuous change and tight delivery timelines.
You take ownership—of code quality, system stability, and the success of the broader team.

Responsibilities

Design and build core platform capabilities for a best‑in‑class payments system supporting enterprise-wide mission-critical business functions.
Collaborate closely with business partners across Front Office, Back Office, and Payments to translate complex requirements into elegant technical solutions.
Lead hands‑on development efforts, from prototyping through production, with a strong focus on quality, performance, security, and resilience.
Drive architectural and design decisions, anticipating performance bottlenecks and optimizing systems as they scale.
Deliver in a fast‑paced, agile environment, balancing speed with stability and long‑term maintainability.
Support production systems, troubleshoot issues, and respond to time‑sensitive business needs with confidence and ownership.