Senior Full Stack Developer

Job summary

Overview: LMI*** is seeking a Senior Full Stack Engineer to help architect, build, and extend IronSled, a Platform as a Service designed to host applications in secure federal environments.

Benefits

Qualifications

• citizenship is required.
• WHAT WE’RE LOOKING FOR
• 7+ years of professional software engineering experience, including ownership of production full stack applications.
• Strong experience with TypeScript, Angular, Node.js or Python, PostgreSQL, and RESTful API design.
• Demonstrated ability to independently lead complex features and make sound architectural decisions.
• Experience with authentication, authorization, secure application design, testing, and production troubleshooting.
• Ability to operate effectively with incomplete
• and limited day-to-day direction.
• Experience mentoring engineers and improving team development practices.
• Active use of AI-assisted development
• Experience across cloud and on-premises environments.
• A strong portfolio, open-source contributions, or other evidence of building products outside assigned work.

Responsibilities

• You will own complex capabilities from concept through production, make consequential technical decisions, identify and resolve architectural risks, and help guide less-experienced engineers.
• You will work closely with the Product Manager, Engineering Lead, platform engineers, and product stakeholders.
• Because the IronSled roadmap and architecture are continuing to evolve, you will have meaningful influence over the platform’s technical direction, engineering standards, and user experience.
• WHAT YOU’LL DO
• Own complex full stack features from architecture and data design through deployment and production support.
• Build across Angular, TypeScript/Express, PostgreSQL, and external platform integrations.
• Make technical decisions involving APIs, identity, permissions, security, reliability, and data architecture.
• Partner directly with product leadership to turn ambiguous needs into practical solutions.
• Establish engineering standards, review designs and code, and mentor other engineers.
• Identify technical risks, improve platform architecture, and balance delivery speed with long-term maintainability.

Skills

Degrees

Travel

Industry

Company size

Security clearance