Senior Specialist, Full Stack Software Engineer
$111.5k - $207.5kL3Harris Technologies
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 DevOps practices and toolchains. Familiarity with cybersecurity principles and secure coding best practices. Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). Knowledge of mobile application development for Android/iOS. Ability to read, interoperate, and understand lower-level code in C or C++. Experience working in distributed, secure, or high-availability system environments. Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. Proficient in C#/.NET (5), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. Comfortable with Source Control and CI/CD systems. Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $111,500 - $207,500. 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. 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. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .aa415a4b-8b21-40fc-a65c-70d2b25ca29a
$200k - $260k
...security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Senior Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a...Senior16 hoursFull timeContract workRemote workWork from homeRelocation package$200k - $250k
...Job Description Job Description Job Description Senior Full-Stack Software Engineer — Endpoint Snapshots Columbia, MD | Full Time | TS/SCI with Polygraph Required Position: Senior Full-Stack Software Engineer (Software Engineer, Level 3) Location: Columbia...SeniorFull timeFor contractorsLocal area$10k
...similar capabilities. Detail oriented and team driven Software Engineers will provide full lifecycle support, to include modernization, of... ...motivated Software Engineer that is well-versed with full-stack web-based application development using modular design principles...SeniorFull time$86.9k - $198k
Full Stack Software Engineer, SeniorThe Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in... ...production-ready.This role is more than just coding. As a senior full stack developer at Booz Allen, you’ll use your passion...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$112.8k - $257k
Full Stack Software Engineer, SeniorThe Opportunity: As a lead software engineer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to create a system that will...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$166.9k - $309.9k
...referral is hired, you'll receive a payment! code-extreferSenior Full Stack Software Engineer - Clearance RequiredWHAT WE'RE DOING• Join Lockheed Martin... ..., where we foster innovation and integrity.• As a Senior Full Stack Software Engineer, you'll be empowered to create...SeniorFull timeContract workTemporary workWork experience placementCasual workLocal areaFlexible hours$166.9k - $309.9k
...develops, documents, tests, and maintains full spectrum cyber solutions. Develops and... ...Conducts vulnerability research, reverse engineering, penetration testing (red/blue teams),... ...firmware, and/or develops specialized cyber software solutions and tools based on mission...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$150.8k - $265.88k
...is hired, you'll receive a payment! code-extreferSenior Full Stack Java Software Engineer - Clearance RequiredWHAT WE'RE DOING• Join Lockheed Martin... ...Intelligence, where we foster innovation and integrity.• As a Senior Full Stack Software Engineer, you'll be empowered to...SeniorFull timeContract workTemporary workWork experience placementWork at officeRemote workFlexible hours- ...Senior Full Stack EngineerJoin Hire Hangar and work with fast-growing global companies while building a long-term career.Location: RemoteTime... ...PST - EST)Role OverviewThis is a high-ownership role for an engineer who is equally comfortable architecting backend automation...SeniorWork experience placementRemote work
$170k - $230k
...Senior Full Stack Software Engineer Opportunity***An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Senior Full Stack Software Engineer who is ready...SeniorFull timeContract workRemote workRelocation package$166.9k - $309.9k
...develops, documents, tests, and maintains full spectrum cyber solutions. Develops and... ...Conducts vulnerability research, reverse engineering, penetration testing (red/blue teams),... ...firmware, and/or develops specialized cyber software solutions and tools based on mission...SeniorFull timeTemporary workFlexible hours- ...Neuralsolutions in Columbia, MD is seeking a Senior Software Engineer with a full-stack focus to design and deploy rapid capabilities across the ES team. You will build end-to-end solutions, support a cross-functional environment, and contribute to analytics, REST services...Senior
- FEI Systems is seeking a Senior Full Stack Developer to design and implement solutions for health and human services software. You will collaborate with teammates to translate software designs into actionable code and ensure progress is tracked and maintained. The role...SeniorRemote job
- Neural Solutions is seeking an experienced full‑stack engineer to lead backend API development and modernize the mission management system in... ...with cross‑functional teams to deliver scalable, robust software for critical operations. #J-18808-Ljbffr Neural SolutionsSenior
$200k - $250k
...Job Description Job Description Job Description Senior Software Engineer — Full-stack Storage Developer Columbia, MD | Full Time | TS/SCI with Full-Scope Polygraph Required Position: Software Engineer, Level 3 — Fullstack Storage Developer (SWE3) Location...SeniorFull timeFor contractorsLocal area$190k - $240k
...Belay Technologies in Laurel, Maryland is looking for a Senior Software Engineer (SWE3) with extensive experience in full-stack development and strong technical qualifications. Applicants must have TS/SCI clearance and 20 years of relevant experience. This role offers...Senior- Neuralsolutions in Columbia, MD is seeking a seasoned Full Stack Developer to build and maintain a data orchestration platform for mission... ...experts to translate requirements into robust, scalable software. Responsibilities include backend API development, feature enhancements...Senior
- ...forward‑looking IT solutions firm, designs secure, scalable systems in cybersecurity, digital modernization, and transformation. The Full Stack Developer will craft end‑to‑end web applications with strong front‑ and back‑end expertise. Join an Agile, hybrid team and...Senior
$200k - $280k
...clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Principal Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company...Full timeContract workImmediate startRemote workWork from homeRelocation package$164k - $194k
...POLYGRAPH LEVEL is required Do you like to tackle complex software challenges? If you love building next-generation... ...applications, you’re in the right place! We are looking for a Senior Cloud Full-Stack Engineer who shares our drive to push boundaries and transform...SeniorHourly payContract workWork experience placementLocal areaImmediate startFlexible hours$170k - $260k
...possess this level of clearance.*** Are you a Senior Front End Software Engineer who is ready for a new challenge that will... ...integration of industry standard software stacks. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud...SeniorFull timeContract workRemote workWork from homeRelocation package- ...Envero, LLC in Columbia, Maryland is seeking a skilled Software Engineer to develop user interfaces across various clients. Candidates should have expertise in Python, Django, and visualization tools, combined with strong client/server software design skills. With a focus...
- ...value in a fluid mission landscape.ResponsibilitiesIntegrate with, and contribute to, a diverse set of teams, systems, and technology stacks.Gather requirements and make improvements to existing corporate tools.Understand the customers' mission, collaborate with team...
- ...Full Stack Software EngineerBigBear.ai is seeking a Full Stack Software Engineer to help build the next generation of AI infrastructure that will drive innovation across the customer organization. In this role, you will support the AI infrastructure team by building and...
- ...Software Engineer – Full-StackAs a part of a CNO team, you will help establish end-to-end prototypes, define requirements, and contribute to both... ...to a diverse set of teams, systems, and technology stacks.Design and implement reliable, intuitive user interfaces and...
- Kennedy Krieger Institute in Columbia, MD seeks a Physical Therapist II to evaluate patients and develop plans of care. You will supervise therapy programs, delegate tasks to PTAs, collaborate with the rehabilitation team, and ensure quality documentation according to APTA...Senior
- ...Senior Full Stack Java DeveloperLocation: Philadelphia, PA; or Mount Laurel, NJ; or Charlotte, NC; or Fort Lauderdale, FL (Hybrid)Contract duration: 12 monthsDesign and develop scalable, high-performance microservices architectures using Java (Spring Boot).Build and maintain...SeniorContract workShift work
- ...ensuring mission success in an evolving world.Our mission-first software and data engineering platform modernizes data operations, utilizing advanced... ...control plane runs Crossplane and Cluster API (CAPI).As a Senior Principal Software Engineer on this program, you will...Senior
$131.3k - $237.35k
...arsenal. Our team of hackers, engineers, makers, and shakers have expe... ...team of security researchers and software engineers as we transition a... ...(Grafana, Prometheus, ELK stack)Experience with GitLab CI/CDExperience... ...similarExperience supporting full-stack solutions including...SeniorFull time- QualificationsEdmonton specificallySummaryType: Full-timeFunction: MarketingExperience level: Mid-Senior LevelIndustry: Marketing And AdvertisingSenior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Specialist, Full Stack Software Engineer. Be the first to apply!
- junk removal specialist Columbia, MD
- continuous improvement specialist Columbia, MD
- loss prevention specialist Columbia, MD
- hospitality specialist Columbia, MD
- medical prior authorization specialist Columbia, MD
- member engagement specialist Columbia, MD
- fabrication specialist Columbia, MD
- process specialist Columbia, MD
- community health specialist Columbia, MD
- credit specialist Columbia, MD




