Senior Software Engineer

Do you live in the DC metro area? Are you looking to apply your software engineering skills to challenges that matter? At Teltrium, you’ll develop software and analytical tools that support space missions, engineering studies, communications systems, and federal programs helping shape the future of technology and exploration. Why Teltrium?Support NASA, federal agencies, and mission-critical space programsBuild software used by engineers, analysts, and decision-makersSolve complex technical challenges with real-world impactContribute to software design, architecture, and technical problem-solvingThrive in a small, agile company where your contributions have visible impact What You'll DoLead a small team of 2-3 software developers by assigning daily priorities, reviewing work products, providing technical guidance, and ensuring projects remain on scheduleDesign, develop, and maintain software applications supporting engineering, aerospace, and federal technology programsServe as a technical lead while remaining actively involved in software development and hands-on codingArchitect and implement scalable cloud-based solutions, with a focus on AWS services and cloud-native application designDevelop front-end interfaces, APIs, backend services, databases, and cloud infrastructureCollaborate with engineers, analysts, project managers, and customers to translate requirements into effective technical solutionsLead software design, architecture reviews, code reviews, and technology selection activitiesMentor junior developers and promote software engineering best practices across the teamImprove application performance, reliability, security, maintainability, and usabilitySupport Agile development processes, sprint planning, task management, testing, and continuous integration/continuous deployment (CI/CD) What You NeedBachelor's degree in Computer Science, Software Engineering, or related technical field6-15 years of professional software development experienceExperience developing production-quality software applicationsExperience with object-oriented software developmentExperience working with databases, APIs, and modern development toolsAbility to quickly learn new technologies and technical domainsU.S. Citizenship or Permanent Resident status is required. Preferred SkillsStrong experience with Python, JavaScript/TypeScript, C#, Java, C++, or similar languagesExperience with React, Node.js, and modern web application frameworksExperience designing and deploying cloud-based applications and servicesStrong experience with AWS services such as EC2, Lambda, ECS/EKS, S3, RDS, CloudFormation, and related technologiesFamiliarity with Azure and multi-cloud environmentsExperience building and maintaining CI/CD pipelines and DevOps workflowsExperience with infrastructure-as-code technologies such as Terraform or CloudFormationExperience with containerization and orchestration technologies including Docker and KubernetesExperience with databases, APIs, distributed systems, and data-driven applicationsExperience conducting code reviews and mentoring software developersFamiliarity with Linux/Unix development and deployment environmentsExperience developing analytical, visualization, scientific, or technical software tools Compensation & Benefits Salary: $150k – $180k (based on experience)Health: Medical, dental, vision coverageRetirement: 401(k) with company matchTime Off: Generous PTO + federal holidaysCareer Growth: Training, certifications, mentoring, and advancement opportunitiesTechnical Impact: Influence software design, architecture, and technology decisionsMission Exposure: Support NASA, federal, and commercial technology initiativesNOTE: THIS IS AN ONSITE POSITION IN OUR GREENBELT, MD OFFICE. DO NOT APPLY IF YOU ARE LOOKING FOR REMOTE OR HYBRID WORK.