Senior Software Developer

Senior Software Developersnou Systems, Inc. (nSI) is building systems that solve our nation's most challenging defense problems in an enjoyable, stimulating environment. We're known for fielding revolutionary missile defense systems, pioneering step changes in RF seeker technology, introducing principled AI systems, and rapidly pioneering novel defense platforms, from space to the seabed. We're looking for talented builders with high levels of curiosity and extremely strong grounding in fundamentals and engineering first principles. If you're hungry for harder problems and want to build products that actually get into users' hands, we've got you covered.We are pleased to announce openings for Senior Software Developers (front end, back end, and full stack) who will join our Technical Solutions Division and JSTC2 Team in Huntsville, Alabama to build software that provides warfighting training exercise participants unparalleled access to information about the unfolding scenario. You'll be part of a team that is not only modernizing the interface to the underlying warfighting simulations but also finding new and innovative ways of surfacing deep information about the scenario, providing end users the right information right when they need it.Responsibilities:Our small team is developing Government Off-the-Shelf software that is currently in use in ongoing warfighting exercises. We're seeking developers who can accelerate our progress along our years-long product roadmap. You'll be an integral part of a multidisciplinary software team combining a web-based front end, large-data-management back end, and on-prem LLM-powered data exploration.We're looking for developers who still enjoy coding while taking advantage of newer agentic coding approaches, and who want to help junior developers level up their skills through mentoring and focused code reviews. We need people who enjoy working in tandem with other talented developers, architects, QA, and integration/DevOps, and who rise to the challenge of team communication and cohesion in an Agile/SAFe team. We want people who are passionate about the quality of software we deliver. You'll need to be comfortable with developing software that's delivered to end users on a 10-week cadence, helping elicit end user needs rather than being handed a pile of DOORS-managed requirements, and scoping work even in the absence of perfect information.Basic Qualifications:Required Qualifications – lacking any disqualifies you from this job:Master's degree in Computer Science, Software Engineering, or related technical field, or Bachelor's in those fields plus 4 years of experience above the baseline required qualification.10+ years of full-time professional experience in software development, with 3+ years in technical leadership roles.Must possess or be able to obtain an active Secret Security Clearance.U.S. Citizen.Technical Competencies – you must demonstrate expertise in:Software development as an individual contributor without agentic coding supportFront end: Typescript (ES6+), Angular (or React + a willingness to learn Angular), CSS (Bootstrap)Back end: Go, Python, some C/C++Production code: modular, unit tested, supports integration and end-to-end testing, maintained in source control (Git + GitLab).Scrum Agile software development, including being active in ceremonies (standup, sprint reviews, Product Increment planning).Team-focused development: ticket management, constructive peer reviews, backlog management.Core Skills:Mentor and lead technical contributors: be a force multiplier.Support software architecture development: contribute to our product's overall structure in support of our Chief Architect.Strong communication and collaboration skills: communicate your technical decisions, back them up with quantitative information, and flex with the needs of the wider team and project when necessary.Evaluate emerging technologies: help us intelligently use new libraries, languages, software, architectures, and tools.Preferred Qualifications:Experience with distributed simulation systems, especially Distributed Interactive Simulation (DIS) messaging.Experience with cloud-ready microservice architecture, including MQTT communication protocol.Comfortable developing in a containerized (Docker) Linux-based (Ubuntu) environment.Experience developing for a Continuous Integration/Continuous Development (CI/CD) pipeline.Front end: Experience with web-based geospatial mapping (Cesium).Back end: Experience with databases (PostgreSQL) and database optimization (indexing, stored procedures, query tuning, data partitioning, normalization/denormalization, table optimization).Experience with newer approaches to using LLMs as a natural language interface to a data store (not just RAG).Active Top Secret clearance.Who is nou (pronounced 'new') Systems?Since its founding in 2012, nou Systems has built a reputation for excellence in innovative engineering, prototype development, and technical and professional services in multiple markets, including missile defense, cybersecurity, test range modernization, and space control. Our diverse and highly skilled team delivers state-of-the-art products from concepts and prototypes to fully developed and integrated solutions. We offer significant advancement and personal career development opportunities within our dynamic high-tech company. Our culture is firmly established in treating our employees like family.Benefits of working at nSInou Systems, Inc. offers a comprehensive, total rewards package that includes competitive compensation and diverse benefits that reflect our company culture of service, excellence, and a supportive work environment.Other specific benefits include:Competitive Wages*Medical, Rx, Dental & Vision InsuranceMedical plan with Health Savings Account eligibilityGenerous company-funded Basic Life InsuranceCompany-funded Short-Term & Long-Term DisabilityOptional Accident and Critical Illness InsurancePersonal Time Off, Annual Leave, and Paid Federal Holidays401(k) Retirement PlanEmployee Stock Ownership Plan (ESOP)Tuition Reimbursement for ongoing training, continuing education, or advanced degree programsPersonal Development, Learning Opportunities, & Lunch-n-LearnsOpportunities for AdvancementSkills Development & CertificationsEmployee Referral Bonus ProgramCorporate Sponsored Events & Community Outreach*Final compensation for this position is determined by a variety of factors, such as a candidate's relevant work experience, skills, certifications, and geographic location.nSI is an Equal Opportunity EmployerEmployment opportunities at nSI are based upon a candidate's qualifications and capabilities to perform the essential functions of a particular job and are free from discrimination based on race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, protected veteran status, genetic information, or any other characteristic protected by law. For our complete EEO/AA and Pay Transparency statement, please visit . U.S. citizenship is required for most positions.