Sr. Back End Developer III (6275)

Metrostar Systems•Hanscom Air Force Base, MA

38d•Remote

About The Position

As a Sr. Back End Developer III, you'll provide senior-level engineering support across sustainment, federation, and modernization efforts for mission-critical modeling and simulation systems. This role designs, develops, enhances, and sustains complex back-end software and simulation behaviors, ensuring operational fidelity, interoperability, and readiness for Air Force training and exercise environments. The position is a senior individual contributor role responsible for maintaining the operational baseline while also delivering new behaviors and enhancements aligned with evolving mission requirements. We know that you can't have great technology services without amazing people. At MetroStar, we are obsessed with our people and have led a two-decade legacy of building the best and brightest teams. Because we know our future relies on our deep understanding and relentless focus on our people, we live by our mission: A passion for our people. Value for our customers. If you think you can see yourself delivering our mission and pursuing our goals with us, then check out the job description below!

Requirements

Active U.S. Government issued Secret clearance.
10+ years of professional software engineering experience
Strong proficiency in C++ and Python supporting complex systems
Experience sustaining and enhancing operational modeling and simulation systems
Ability to troubleshoot and resolve complex defects in mission-relevant environments
Experience working across the full software development lifecycle in Agile teams

Responsibilities

Design, develop, enhance, debug, and maintain back-end software supporting modeling and simulation systems.
Sustain the operational simulation baseline through defect resolution, change requests, and deficiency report integration.
Develop and modernize simulation behaviors, models, and data structures aligned to operational requirements.
Support federation and interoperability with external simulators, AOC systems, and joint or coalition environments.
Troubleshoot complex simulation behaviors, integrations, and performance issues in development and live event contexts.
Work closely with Government SMEs to ensure simulation fidelity and mission realism.
Support transition of PTT-related workloads into the operational baseline as required.
Provide technical input to product and program leadership on risks, dependencies, readiness, and scope estimates.
Participate in Agile planning, sprint execution, integration testing, and release activities in coordination with PM, Product, Test, and DevSecOps teams.