> Markdown version of [/jobs/ext/2693506-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/2693506-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** INC Research - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $230,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Unit Testing, C Sharp (Programming Language), Software as a Service, Cloud Computing, Software Documentation, Data Integration, Integrated Development Environments, Python (Programming Language), Link Analysis, Software Engineering, Software Systems, SQL Databases, Systems Integration, User-Centered Design, Test-Driven Development (TDD), Large Language Models, Kubernetes, Information Technology, Api Design, Restful APIs, Lidar, Docker - **Published:** September 3, 2026 - **Apply:** https://jobs.lever.co/researchinnovations.com/12666a37-2b35-4ea7-9dec-6e36292e2d0f/apply?lever-origin=applied&lever-source%5B%5D=BuiltInNationwide ## About the Role * BS degree in a related technical field and 5+ years of relevant professional experience (an advanced technical degree may substitute for a portion of the experience) * Modeled complex real-world domains in software: schema and data model design, entity resolution across disparate sources, and API-based data integration * Professional experience in Python, C#, Java, or similar languages, and with SQL-based persistence solutions * Experience integrating data from third-party applications and services via REST APIs * Hands-on experience with AI-assisted or agentic software development, including reviewing and verifying AI-generated work * Disciplined testing practices: unit testing, test-driven development, and validation of your own work * Experience working in containers (Docker) and familiarity with Kubernetes-based deployment * Experience demoing software to customers and translating user needs into technical requirements * Ability to multitask, self-assign work, and function in a dynamic, fast-paced development environment * Experience mentoring other developers * Excellent verbal and written skills EVEN BETTER * Experience with electromagnetic spectrum operations: spectrum management, RF propagation modeling, link analysis, or EW planning workflows * Experience supporting DoD customers, including on-site engagement with program offices or operational units * Familiarity with terrain, elevation, and land cover data sources (DTED, GMTED, LiDAR-derived datasets) * Experience with data across classification levels, cross-domain solutions, and build-low/ship-high development * Experience with Tactical Assault Kit (TAK) or integrating with platforms such as Palantir via OSDK/APIs * Experience with edge and DDIL deployment environments ## Description Design and develop electromagnetic warfare and spectrum operations software, including data models, RF propagation integrations, C2 and sensor APIs, AI-assisted coding workflows, and deployments across cloud, on-premises, and edge environments. Demonstrate software to customers, translate feedback into requirements, document and test solutions, mentor developers, and support agile delivery. The role requires an active US Top Secret/SCI clearance and travel to customer sites., Research Innovations, Inc. (RII) is breaking through the big, slow, status quo with transformative technology that fundamentally changes and improves the world. We develop cutting-edge software for all levels of the government and military. Using agile development practices and user-centered design, we create innovative software solutions for complex real-world problems. We are looking for a committed Principal Software Engineer to join the MAX Electromagnetic Warfare (EW) product team within our Tactical Command & Control line of business. You will help build the EW and spectrum operations capabilities of the MAX platform - modeling complex electromagnetic environments, integrating physics-based propagation models, and turning messy real-world data into workflows warfighters actually use. Get s#it done. This position requires an active US Top Secret/SCI clearance. WHAT YOU WILL BE DOING * Design and develop EW and electromagnetic spectrum operations capabilities for the MAX platform, from data model to user-facing workflow * Model complex operational domains in code: design schemas and data models that unify disparate, messy data sources into coherent, trustworthy representations * Integrate and validate physics-based RF propagation models, terrain and clutter data, and third-party services via APIs * Build and maintain integrations with external C2 systems, sensor feeds, and telemetry sources * Develop with modern AI-assisted and agentic coding workflows: shape the problem, author and review detailed implementation plans, direct AI coding agents, and own the quality and correctness of what ships * Collaborate through plan reviews and merge requests in a highly collaborative, no-egos team culture * Demo working software to customers, translate their feedback into priorities, and iterate quickly * Support deployment of the product across cloud, on-premises, and edge/DDIL environments * Contribute to software design and test documentation, and mentor teammates in your areas of depth * Continuously challenge yourself to become a better software developer, Consumer Web * eCommerce * Machine Learning * Software * Sports * Analytics Design and develop scalable cloud-based backend architectures for PSA's consumer-facing Set Registry platform. Own features through architecture, implementation, testing, deployment, and production release. Build APIs for web and mobile applications, improve databases and existing applications, troubleshoot complex systems, and collaborate with product and engineering teams. Contribute to technical design reviews, documentation, monitoring, security practices, and automated testing. 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