Senior Full Stack Software Engineer
$125kSynergy ECP
Senior Full Stack Software EngineerNetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results. Now operating as a subsidiary of Synergy ECP, NSI continues to stand out in a crowded contracting landscape through its agility, strong customer focus, and commitment to retaining exceptional talent. By taking on challenging IT initiatives, we cultivate our talent and are continually evolving through our partnerships with clients. Our close-knit team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available.The Senior Full Stack Software Engineer will support the development of the FBI FDP system using a Postgres/Java/React technology stack. These engineers will work with an existing development team to deliver features and capabilities required for MVP release. The ideal candidate will have proven experience delivering large-scale enterprise applications from concept through deployment.Key Responsibilities:Design, develop, implement, test, and maintain front-end and back-end application components.Integrate components, create new custom capabilities, and make modifications to existing codebases.Participate in planning, requirements analysis, development, testing, and quality assurance across the full SDLC.Conduct code reviews, participate in architecture sessions, and provide input on development best practices.Support automation and optimization of operations and maintenance tasks.Collaborate with the Product Owner, BA, and Test Engineer to ensure features meet functional and acceptance criteria.Plan and execute application deployments, version control, and CI/CD pipelines.Ensure compliance with 508 accessibility, enterprise security practices, and other practices as needed.Required Qualifications:8+ years in full-stack software engineer experience.Bachelor's degree in a related technical fieldStrong experience in Java, React, JavaScript/TypeScript, SQL, and relational database development (Postgres preferred)Experience with REST APIs, CI/CD, GitLab, containerization, and modern agile delivery.Ability to work collaboratively in a cross-functional agile team.Security Clearance requirement: Must possess active TS/SCI clearance to be considered for this role.Other Requirements: U.S. CitizenshipCompensation Spotlight: For this role, our typical salary range starts at $125,000 and stretches up to $155,000. But here's the deal – we're not about capping your potential. We're committed to snapping up the best and brightest, and we're ready to put our money where our mouth is. So, if you're one of the rare exceptions to the status quo with the education, experience, and that extra something special, we're not afraid to go above and beyond to secure your talent. Because for us, it's not just about a salary. It's about the complete rewards package, the culture, and the opportunity to make a real impact.Taking Care of the People Who Take Care of The NationCompensation: We offer highly competitive compensation that is consistently recognized by our employees as being generous!Health & Retirement: We offer a comprehensive Health Benefits package and 401K Retirement plan so you can take care of yourself and your family... both now and in the future. Other health-related benefits include People Partners who will help you navigate both personal and professional worlds, as well as strong wellness related resources offered through our healthcare provider.Education: Individual growth is a priority at NSI/Synergy ECP. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can get their degree or that next certification needed to propel them towards the next level. Not sure what's best for your career plans, we'll help you navigate it all!Work/Life Balance: A healthy work/life balance is essential for building and executing your work effectively at NSI/Synergy ECP, but it's also necessary to allow you the room to pursue everything you want to develop in your personal life. We offer a generous Paid Time Off benefit and 10 paid holidays a year. NSI/Synergy ECP also provides flexible work options that work with your schedule and lifestyle.Philanthropy: With the help of our amazing employees, NSI/Synergy ECP participates annually in building awareness, volunteering and contributing to dozens of organizations. We believe that giving back creates a sense of purpose, engagement, and fulfillment. Have a cause you are passionate about? We bet you'll find others here that care about it just as much!NSI/Synergy ECP is committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, qualifications, and business needs. We do not discriminate on the basis of race, color, sex, national origin, religion, age, disability, or any other status protected by applicable law.
$131k - $145k
Responsibilities Technica Corporation is seeking a Senior Full Stack Software Engineer who will support the development of the FBI FDP system using a Postgres/Java/React technology stack. These engineers will work with an existing development team to deliver features...SeniorWork experience placementRemote work$112k - $179k
ResponsibilitiesPeraton is seeking a Full‑Stack Engineer to join our Federal Strategic Cyber program—an environment where your engineering expertise... ...Requirements Are:Bachelor's degree and 8+ years of software engineering experience (or 12+ years without a degree).Strong...SeniorContract workCasual workShift work$119.7k - $199.3k
...Events, Communications, Customer Care, Engineering & Product, Finance, Human Resources,... ...Role Matters We are looking for a Senior Full Stack Engineer to join the Subscriptions team... ...the team builds, deploys, and operates software. The ideal candidate brings deep expertise...SeniorFull timePart time- This is a temporary position. The assignment duration is through September 6, 2027.JOB SUMMARYAs a FLEX Senior Full Stack Software Engineer at Marriott, you will be working on a state of the art React based micro-ui architecture. You will help build the next generation...SeniorFull timeTemporary workRemote workFlexible hours
$121k - $206k
...ll join a team of experienced engineers working on systems that matter... ...and clientsOur core technology stack includes:C# / .... ..., build, and deliver scalable software solutions across applications,... ...law.SummaryLocation: Baltimore, MD; Washington DCType: Full timeSeniorFull timeLocal areaRemote work3 days per week$119.7k - $199.3k
...including Brand & Events, Communications, Customer Care, Engineering & Product, Finance, Human Resources, Legal, Marketing & Advertising... ..., and Sales.Why This Role MattersWe are looking for a Full-Stack Senior Software Engineer to help shape the future of newsletter and...SeniorFull timePart time$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$111.5k - $207.5k
...Job Title: Senior Specialist, Full Stack Engineer Job Code: 40003 Job Location: Washington DC Job Schedule: 9/80: Employees work 9 out of every... ...seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of...SeniorFull timeFlexible hours$145.92k - $209.24k
...hybrid work model, allowing for remote work two days per week.Travel: Up to 5% Job ID: 1781The Role: We are looking for a Senior Full Stack Software Engineer for Application Engineering. As a Software Engineer on the Applications Engineer team, you'll be part of a cross-...SeniorPermanent employmentContract workWork at officeRemote work2 days per week- ...Senior Full Stack Software EngineerWe are looking for a Senior Full Stack Software Engineer to help us build and scale the Quartermaster product—the operator-facing application used by defense analysts, coast guard operators, and commercial fleet managers to monitor, query...SeniorWork at officeFlexible hours
- ...Senior Full-Stack Java & Front-End Engineer United States Summary: Join our established blockchain software house, specializing in enterprise-grade private and public chain solutions. We are seeking a Senior Java Developer to enhance our backend services and contribute...Senior
$106.9k - $147k
...Become a part of our caring community The Senior Full Stack Engineer Performs software engineering activities in all layers of the stack, from setting up the database to programming in the back-end and the appearance at the front-end. The Senior Full Stack Engineer...SeniorFull timeTemporary workApprenticeship$95k
...Kadiak, LLC, a Koniag Government Services company , is seeking a Senior Full-Stack Software Engineer with a Top-Secret security clearance to support Kadiak and our government customer in Washington, DC. We offer competitive compensation and an extraordinary benefits...SeniorLocal areaFlexible hours- ...designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the... ...billions who remain unconnected.Position OverviewWe are seeking a Senior Full Stack AI Application Engineer (Frontend Emphasis) with to design...SeniorWork at officeRemote work
- ...Senior Full-Stack Software Engineer Actifai is seeking experienced senior full-stack software engineers. Actifai is an artificial intelligence company. We help our customers, broadband and telecom providers, optimize their high-value, high-leverage decisions. Typically...SeniorWork at officeImmediate startRemote work
- ...commercial and government applications. Our engineers and space scientists are on a mission... ....Position OverviewWe are seeking a Senior Full‑Stack AI Application Engineer with strong... ...experienceExperienceA minimum of 5 years of full‑stack software development experienceAt least 3 years...SeniorWork at officeLocal area
- ...design, build, and deliver end-to-end systems, from databases to APIs and user interfaces, in a classified environment. Seeking a senior developer with deep Python expertise and frontend craftsmanship. Expect strong security practices, RBAC auth, and DevSecOps in a regulated...Senior
- Synergy ECP is seeking a Senior Java Full Stack Developer in Washington, D.C. to join an agile software development team. The role includes full-stack development using Java and React, implementation of backend APIs, and working with PostgreSQL databases. The ideal candidate...Senior
- ...React, Python, PostgreSQL, or Google Cloud experience is helpful. Ability and desire to develop features end to end across the full stack while incorporating customer feedback. Strong product judgment and ability to turn ambiguous problems into shipped solutions....SeniorFull timeWork at officeWeekend work
- Cayuse is seeking a Senior Full Stack Developer to design and deliver secure, full-stack software in a mission-focused environment. You will work on Java/Spring backends, React front-ends, and PostgreSQL databases, while enabling CI/CD, AWS hosting, and compliant processes...Senior
- A technology consulting firm is seeking an experienced Full Stack Software Developer to support a government client. This role involves developing, testing, and maintaining software components, with a focus on Agile methodologies. Candidates should have over 10 years of...Senior
$140k - $160k
...on behalf of our employees. OVERVIEW We're hiring a Senior Full-Stack Engineer to turn our AI and machine learning capabilities into real... ...Science, Engineering, or a related field. You've integrated software with AI/ML services, data APIs, or model endpoints — as a...SeniorLocal areaRelocation package- Enterprise Knowledge (EK) is hiring a full-time Senior Full Stack Developer to join our Enterprise Delivery team. You will bridge software engineering with Generative AI, leading end-to-end design, implementation, and deployment for AI-driven solutions. You will lead projects...SeniorFull time2 days per week
- Koniag Services, Inc. is looking for a Senior .Net Full-Stack Developer with a Top-Secret security clearance in Washington, DC. This role involves... .... The ideal candidate should have extensive experience in software development, including application design, integration of...Senior
$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 a...Senior$170k - $230k
...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...SeniorFull timeContract workRemote workWork from homeRelocation package- Momentum Engineering, Inc. is seeking a Full Stack Developer with an active Top Secret/SCI clearance to engage in technical development for enterprise capabilities. The ideal candidate will collaborate within a product team, focusing on coding, implementing features, and...Senior
- ...technical planning **Required Skills** - Strong experience with Full-Stack development - Experience building enterprise SaaS platforms... ...- Experience leading or participating in large-scale software projects **What We Offer** - Opportunity to build a high-impact...SeniorContract workRemote workFlexible hours
- Expression is seeking a highly skilled Senior Full Stack Developer to join their team, building and maintaining web applications with React... .... You will collaborate with data scientists, DevSecOps engineers, and product designers within an Agile framework, mentoring...SeniorRemote jobFull time
- A technology solutions company in Washington is seeking a Senior Software Engineer to lead in the design, development, and management of application projects. This role requires a Bachelor's Degree and 4-8 years of relevant experience, particularly with Microsoft 365 Power...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Software Engineer. Be the first to apply!
- full stack engineer Washington DC
- full stack cloud developer Washington DC
- full stack developer Washington DC
- lead full stack java developer Washington DC
- java full stack angular developer Washington DC
- remote .net full stack web developer Washington DC
- full stack java developer Washington DC
- senior full stack developer Washington DC
- senior full stack web developer Washington DC
- full time engineer Washington DC


