Full Stack Engineer
About The Position
LightFeather is seeking a Senior Full Stack Engineer to support a federal government client in modernizing critical mission systems. The role owns full stack delivery, with a focus on understanding complex legacy-system behavior and translating it into clean, scalable software. The existing environment includes large systems that manage operational workflows such as processing, tracking, and encounter management, with layers of business rules, manual processes, and tightly coupled functionality. The client is adopting Palantir as its target modernization platform. This is a full-time, fully remote position working EST hours. U.S. citizenship is required due to federal contract requirements, and the successful candidate must be able to obtain and maintain a Public Trust clearance. The annual salary range is $90,000–$115,000, based on experience level.
Requirements
- U.S. citizenship and the ability to obtain and maintain a Public Trust clearance.
- Bachelor's degree in Computer Science or a related field, or equivalent experience.
- At least 7 years of hands-on full stack software development experience.
- Experience working in complex or enterprise system environments.
- Strong experience with Java and frameworks such as Spring Boot.
- Experience designing and implementing RESTful APIs.
- Experience with JavaScript, React, HTML, and CSS.
- Experience working with relational databases and data access patterns.
- Ability to troubleshoot across multiple layers of an application stack.
- Experience working in Agile or iterative delivery environments.
- Ability to analyze and simplify complex systems and workflows.
- Strong systems thinking and problem-framing capability.
- Comfort working in ambiguous, poorly documented environments.
- Ability to distinguish essential functionality from legacy process bloat.
- Strong ownership mindset and accountability for outcomes.
- Effective communication with technical and non-technical stakeholders.
- High learning agility and willingness to adopt new platforms and tools.
Nice To Haves
- Experience with legacy system modernization or transformation efforts.
- Experience supporting federal or mission-driven environments.
- Exposure to enterprise data platforms or large-scale system integrations.
- Experience deriving requirements from real-world usage rather than formal documentation.
Responsibilities
- Design, develop, and maintain full stack applications supporting system modernization.
- Analyze legacy systems and workflows to identify core functionality and unnecessary process overhead.
- Translate operational requirements into scalable, modern application designs.
- Develop backend services, APIs, and integration layers connecting legacy environments to modern platforms.
- Build and enhance user-facing components using modern front-end technologies.
- Support the full software development lifecycle, including analysis, design, development, testing, deployment, and maintenance.
- Troubleshoot issues across application, integration, and data layers.
- Collaborate with stakeholders to clarify requirements and improve system behavior.
- Participate in code reviews and uphold engineering best practices.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
