Full Stack Software Engineer at LMI

Feedinkoo; United States; On-site; USD 100,000 - 165,000; Full time

Job summary

LMI, headquartered in Tysons, Virginia, seeks a Software Engineer with strong React, Spring, and PostgreSQL skills to join our government-focused logistics app team. You will collaborate with product owners, designers, and other engineers to rapidly iterate, improve performance, and build a secure, scalable platform for federal users.

You’ll contribute to REST APIs, cloud and container deployments, and work in an environment that values speed, security, and rigorous quality.

Qualifications

• 3+ years of relevant software engineering experience.
• Proficiency in React, including component design, hooks, and modern front-end patterns.
• Experience building and consuming REST APIs using Java Spring Boot.
• Solid understanding of PostgreSQL (schema design, indexing, migrations, performance tuning).
• Familiarity with secure software development practices and CI/CD pipelines (GitHub Actions, GitLab, etc).
• Comfortable working in Agile or Lean environments, with rapid delivery cycles and direct user feedback loops.
• U.S. Citizenship with the ability to obtain and maintain a government security clearance. Active Secret or TS clearance preferred.

Responsibilities

• Build intuitive front-end experiences using React and modern component libraries.
• Write clean and secure back-end services using Java + Spring Boot, with a focus on REST APIs and modular design.
• Design and optimize PostgreSQL schemas and queries for fast, reliable performance.
• Collaborate across design, product, DevSecOps, and field teams to launch features quickly and securely.
• Participate in rapid prototyping cycles while maintaining production-grade coding standards.
• Write unit and integration tests to support a test-driven development (TDD) mindset.
• Troubleshoot bugs, squash performance bottlenecks, and help build towards FedRAMP and IL5 deployment requirements.

Skills

React

Spring Boot

PostgreSQL

CI/CD

Agile

Tools

Docker

Kubernetes

GitHub Actions

GitLab

AWS GovCloud

Job description

Overview

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors- helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

Who We Are

We’re not here to maintain the status quo - we’re here to rewrite it and innovate at the pace of need. Our team is laser-focused on creating cutting-edge RFID solutions for the DoD that bring passive and active RFID tech to life, solving tough integration challenges across global sites. We’re a no-bench, get-after-it kind of company where initiative is rewarded, and innovation is our default setting. If you’re ready to dive in, take ownership, and ship real value, keep reading.

Responsibilities

The Opportunity

We’re looking for a Software Engineer with strong React, Spring, and PostgreSQL skills to join our logistics app team. You’ll work closely with product owners, designers, and fellow engineers to quickly iterate on features, improve performance, and build out a secure, scalable platform for real-world military and government users.

What You’ll Do

• Build intuitive front-end experiences using React and modern component libraries
• Write clean and secure back-end services using Java + Spring Boot, with a focus on REST APIs and modular design.
• Design and optimize PostgreSQL schemas and queries for fast, reliable performance.
• Collaborate across design, product, DevSecOps, and field teams to launch features quickly and securely.
• Participate in rapid prototyping cycles while maintaining production-grade coding standards.
• Write unit and integration tests to support a test-driven development (TDD) mindset.
• Troubleshoot bugs, squash performance bottlenecks, and help build towards FedRAMP and IL5 deployment requirements.

Qualifications

What We’re Looking For

• 3+ years of relevant software engineering experience.
• Proficiency in React, including component design, hooks, and modern front-end patterns.
• Experience building and consuming REST APIs using Java Spring Boot.
• Solid understanding of PostgreSQL (schema design, indexing, migrations, performance tuning).
• Familiarity with secure software development practices and CI/CD pipelines (GitHub Actions, GitLab, etc).
• Comfortable working in Agile or Lean environments, with rapid delivery cycles and direct user feedback loops.
• U.S. Citizenship with the ability to obtain and maintain a government security clearance. Active Secret or TS clearance preferred.

Bonus Points For

• Experience with Docker, Kubernetes, or containerized deployment pipelines.
• Hands-on work with secure government environments (DoD, IL5+, FedRAMP).
• Familiarity with AWS GovCloud.
• Experience building logistics, supply chain, or asset tracking applications.
• Exposure to message brokers like Kafka or RabbitMQ.
• Certifications like Security+, AWS Developer/Architect, or Scrum Master.
• Past experience at a startup or in rapid-growth teams.

Target salary range: $100,000 - 165,000. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.