Lead, Application Developer - Full Stack Developer

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Lead, Application Developer - Full Stack Developer

Job Code: 45608

Job Location: Melbourne, FL; Arlington, VA; Herndon, VA; Salt Lake City; UT; Greenville, TX; Plano, TX; Rochester, NY; Remote Opportunity

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

L3Harris is undertaking one of the largest-scale Data/AI implementations in the defense contracting sector. This multi-year, transformative program is building state-of-the-art AI applications on top of unified data. It is integrating ~100 legacy systems—including enterprise resource planning (ERP), product lifecycle management (PLM), supply chain, finance, operations, and specialized domain systems. The capabilities cover dozens of critical corporate use cases spanning program management, finance, operations, supply chain, engineering, and strategic planning.

The L3Harris Transformation team is seeking a Lead, Full Stack Developer to contribute to the development, testing, and support of applications, workflows, and data pipelines within the Palantir Foundry platform. This role will work as part of an agile, cross-functional team alongside architects, business system analysts, product owners, and senior developers to implement secure, scalable, and maintainable solutions that support critical enterprise use cases.

Essential Functions:

• Support the design, development, testing, and maintenance of full stack applications, workflows, and supporting services within the Palantir Foundry platform.
• Develop user-facing functionality, backend logic, and workflow features to support enterprise use cases across finance, supply chain, operations, engineering, and strategic planning.
• Translate user stories and functional requirements into technical solutions with guidance from senior developers and architects.
• Assist with development and maintenance of batch and near-real-time data pipelines integrating legacy enterprise systems into Foundry.
• Implement data transformations, validations, and quality checks to support reliable and accurate data products.
• Work with data architects and senior engineers to align development with ontology models, governance standards, and integration patterns.
• Write clean, maintainable, and well-documented code following team standards for coding, testing, and review.
• Participate in unit testing, integration testing, debugging, and defect resolution across application and data components.
• Contribute to frontend and backend enhancements, including UI components, APIs, pipeline logic, and workflow automation.
• Participate in agile ceremonies such as sprint planning, backlog refinement, daily standups, demos, and retrospectives.
• Provide task status updates, identify blockers, and support delivery commitments for assigned work.
• Contribute to continuous improvement of team development practices and tooling.
• Work closely with product owners, business analysts, architects, and peer developers to understand requirements and deliver effective technical solutions.
• Collaborate with security, infrastructure, and operations teams to support compliant and reliable deployments.
• Learn and apply enterprise architecture standards, secure development practices, and platform development guidelines.
• Develop proficiency in Palantir Foundry development frameworks, ontology-driven application development, and enterprise data integration patterns.
• Leverage modern development tools, including AI-assisted engineering tools where appropriate, to improve productivity and quality.
• Continuously build technical knowledge in software engineering, data engineering, and platform-based application delivery.

Qualifications:

• Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.

Preferred Additional Skills:

• Experience developing software applications using modern programming languages such as Python, Java, TypeScript, JavaScript, or similar.
• Experience with full stack software development, including frontend development, backend services, APIs, and data-driven applications.
• Experience working with relational or non-relational databases, data transformation logic, and systems integration.
• Understanding of software engineering best practices including version control, code reviews, unit testing, debugging, and CI/CD concepts.
• Experience working in agile development environments and collaborating with cross-functional teams.
• Strong problem-solving, communication, and teamwork skills.
• Experience with Palantir Foundry, including pipelines, Code Repositories, Workshop, Operational Applications, or ontology-based development.
• Experience building or supporting enterprise data pipelines, ETL processes, or application integrations across multiple systems.
• Experience with frontend frameworks such as React or Angular.
• Experience with backend/API development and scripting in Python or Java.
• Familiarity with cloud platforms, DevOps concepts, containerization, or infrastructure automation.
• Exposure to AI/ML-enabled workflows, analytics applications, or data products.
• Experience in regulated industries such as defense, aerospace, manufacturing, finance, or healthcare.
• Familiarity with secure software development practices and data governance concepts.

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $127,500-$236,500. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, and Vermont is $110,500-$205,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

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