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Senior Specialist, Full Stack Software Engineer

Job in Washington, District of Columbia, 20001, USA
Listing for: L3Harris Technologies
Full Time position
Listed on 2026-07-02
Job specializations:
  • Software Development
    Full Stack Developer
Job Description & How to Apply Below

Senior Specialist, Full Stack Engineer

L3

Harris 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. L3

Harris 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.

L3

Harris 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:

Senior Specialist, Full Stack Engineer Job Code: 40003

Job Location:

Washington DC

Job Schedule:

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

Job Description

Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. You will be engaged on the most challenging problems in the toughest environments and delivering solutions supporting the cutting edge of cyber security research.

We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines.

We are a small team that achieves world-changing results and is driven to provide unparalleled cyber capability by utilizing technical prowess, innovation and our commitment to a noble mission.

The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces.

Essential Functions
  • Participate in all phases of the software development lifecycle (SDLC), from requirements gathering and design to testing, deployment, maintenance, and documentation.
  • Collaborate with globally distributed, cross-functional Agile teams, engaging closely with product managers, team members, and stakeholders.
  • Diagnose, troubleshoot, and resolve software defects and performance issues across the technology stack.
  • Ensure all code is well-tested using unit, integration, and system-level testing methodologies.
  • Stay current with the latest software development trends, industry's best practices, and cybersecurity protocols.
  • Contribute to improving development processes, best practices, and team knowledge through code reviews and process enhancement discussions.
  • Document technical solutions and prepare end user manuals as required.
  • Ability and eligibility to obtain and maintain a National Security clearance.
Technical Responsibilities
  • Design, develop, and maintain secure, scalable, and maintainable codebases using C#.NET, Python, and Angular.
  • Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features.
  • Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security.
  • Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration.
  • Engage in self-directed research to innovate and implement new product features aligned with industry standards.
  • Participate in technical design discussions, code reviews, and continuous integration/delivery processes.
Qualifications
  • Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
Preferred Additional Skills
  • Background or strong understanding in UI/UX design and principles.
  • Exposure to or hands-on experience with Dev Ops…
Position Requirements
10+ Years work experience
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