Software Engineer – Frontend Web Developer

• Active TS/SCI with CI Poly
• Experience supporting software development in a secure, government, defense, intelligence, or mission-critical environment.
• Experience with automated testing and continuous integration or continuous deployment practices.
• Experience with Jenkins, Puppet, or comparable build, deployment, or configuration-management tools.
• Experience with Docker, Kubernetes, or other containerization and orchestration technologies.
• Experience with data-visualization libraries such as D3.
• Experience with Java service development in a distributed or service-oriented environment.
• Experience with SAFe or another scaled Agile framework.
• Experience contributing to or engaging with open-source development communities.

The salary range for this role is $134,000.00 – $181,000.00 per year.

The salary range provided is a good faith estimate representative of all experience levels.

Four Sea Group, Inc. considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, key skills, and market conditions.

Application Deadline: This position is expected to remain open through September 30, 2026 .

The company may adjust this deadline based on business needs and will update the posting as appropriate.

FSG is 100% ESOP-owned, which means our employees share directly in the company’s growth. We offer competitive compensation, a strong employer-funded retirement plan, generous PTO and flexible time-off options, comprehensive health, dental, vision, life, short-term disability, and long-term disability benefits, plus a generous medical stipend that gives employees more choice and flexibility. Our model is intentionally built to keep more value with employees through salary, retirement, benefits, and ownership. You will work alongside experienced engineers and technical leaders on meaningful defense, space, software, systems, and mission support work, with room to grow as a technical expert, mentor, program contributor, or future leader. EEO Statement: Four Sea Group is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, sex, sexual orientation, gender identity or expression, religion, national origin, marital or familial status, age, disability, veteran status, military service or application for military service.

About Four Sea Group, Inc.

Four Sea Group is a 100% employee-owned technical mission support company based in Denver, Colorado.

Founded by an aerospace industry veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and industry partners.

What sets FSG apart is the caliber of our people and the way we operate: we are a reputation-driven team of highly skilled engineers and technical experts who are brought in for their depth, judgment, and ability to solve difficult problems.

As an employee-owned company, we have built our compensation, benefits, and culture around a simple idea: when the company succeeds, that value should go back to the people doing the work.