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 programs
• Build software used by engineers, analysts, and decision-makers
• Solve complex technical challenges with real-world impact
• Contribute to software design, architecture, and technical problem-solving
• Thrive in a small, agile company where your contributions have visible impact

What You'll Do

• Lead a small team of 2-3 software developers by assigning daily priorities, reviewing work products, providing technical guidance, and ensuring projects remain on schedule
• Design, develop, and maintain software applications supporting engineering, aerospace, and federal technology programs
• Serve as a technical lead while remaining actively involved in software development and hands-on coding
• Architect and implement scalable cloud-based solutions, with a focus on AWS services and cloud-native application design
• Develop front-end interfaces, APIs, backend services, databases, and cloud infrastructure
• Collaborate with engineers, analysts, project managers, and customers to translate requirements into effective technical solutions
• Lead software design, architecture reviews, code reviews, and technology selection activities
• Mentor junior developers and promote software engineering best practices across the team
• Improve application performance, reliability, security, maintainability, and usability
• Support Agile development processes, sprint planning, task management, testing, and continuous integration/continuous deployment (CI/CD)

What You Need

• Bachelor's degree in Computer Science, Software Engineering, or related technical field
• 6-15 years of professional software development experience
• Experience developing production-quality software applications
• Experience with object-oriented software development
• Experience working with databases, APIs, and modern development tools
• Ability to quickly learn new technologies and technical domains
• U.S. Citizenship or Permanent Resident status is required.

Preferred Skills

• Strong experience with Python, JavaScript/TypeScript, C#, Java, C++, or similar languages
• Experience with React, Node.js, and modern web application frameworks
• Experience designing and deploying cloud-based applications and services
• Strong experience with AWS services such as EC2, Lambda, ECS/EKS, S3, RDS, CloudFormation, and related technologies
• Familiarity with Azure and multi-cloud environments
• Experience building and maintaining CI/CD pipelines and DevOps workflows
• Experience with infrastructure-as-code technologies such as Terraform or CloudFormation
• Experience with containerization and orchestration technologies including Docker and Kubernetes
• Experience with databases, APIs, distributed systems, and data-driven applications
• Experience conducting code reviews and mentoring software developers
• Familiarity with Linux/Unix development and deployment environments
• Experience developing analytical, visualization, scientific, or technical software tools

Compensation & Benefits

• Salary: $150k – $180k (based on experience)
• Health: Medical, dental, vision coverage
• Retirement: 401(k) with company match
• Time Off: Generous PTO + federal holidays
• Career Growth: Training, certifications, mentoring, and advancement opportunities
• Technical Impact: Influence software design, architecture, and technology decisions
• Mission Exposure: Support NASA, federal, and commercial technology initiatives

NOTE: THIS IS AN ONSITE POSITION IN OUR GREENBELT, MD OFFICE. DO NOT APPLY IF YOU ARE LOOKING FOR REMOTE OR HYBRID WORK.