Mid-Level Full Stack Developer
$100kSynergy ECP
Mid-Level Full Stack DeveloperNetServices (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.We are seeking a Mid-Level Full Stack Developer to provide development and operations & maintenance (O&M) support for a production.NET Web application. The developer will collaborate with both government and contractor teams to support all aspects of application development.What You'll Do:O&M responsibilities include gathering, analyzing, and developing enhancement specifications and requirements based on system owner input. The developer will be involved throughout the entire project lifecycle, from development to production support, including creating solution architecture for new efforts, creating new working full stack applications, upgrading existing application to latest versions, and improving performance bottlenecks.Required Qualifications:-A solid foundation in Computer Science, with either a Bachelor's or Master's degree in the field.-5 years or more of related experienceRequired Skillset:1. C#2..NET Framework3. Javascript4. MSSQL5. TelerikOptional Skillset:1. Atlassian tools2. Agile methodologySecurity 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 $100,000 and stretches up to $130,000. 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.
$86k - $138k
ResponsibilitiesPeraton is seeking a Mid-level Full‑Stack Engineer to join our Federal Strategic Cyber program—an environment where your engineering expertise directly strengthens national security. In this role, you’ll build modern, mission‑critical applications from...SuggestedContract workCasual workShift work- Pioneering Evolution LLC. seeks a Mid-Level Full-Stack Developer to build secure backend services for its federal software platform in Arlington, VA. This role offers growth opportunities in a collaborative environment, requiring 3+ years of experience in .NET Core and...Suggested
$65 - $67 per hour
Position Title: Mid-Level Full Stack Developer Location: Bethesda, MD - 5 Days onsite - No Relocation Assignment Type: Contract to Hire Pay Rate: $65.00 - $67.00 / hour Work Schedule: Onsite, Monday - Friday Benefits: This position is eligible for medical, dental,...SuggestedContract workLocal areaRelocationMonday to Friday- ...Job Description Job Description POSITION DESCRIPTION: Pioneering Evolution is seeking a motivated Mid-Level Full-Stack Developer to support the development of secure and modular backend services for a mission-focused federal software platform. This role provides...SuggestedFull timeTemporary work
- ...relational or cloud-based, and full lifecycle software development... ...leading teams on small to mid-size software development activities... ...The Software Engineer – Mid Level shall participate in all... ...installation of software applications, develop training materials and mentor...SuggestedContract workWork experience placementLocal area
- ...Job Description Job Description Job Title: Mid-Level Cloud-Based Web Developer (FICO Blaze) Job Summary: We are seeking a highly... ...FICO Blaze. Skills to develop an application by using Full stack technology and delivered effectively, efficiently, on time...
$110k - $136k
Responsibilities Technica Corporation is seeking a Full Stack Developer, Mid. As a Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. You will be responsible for designing, coding, testing, and deploying...Work experience placementRemote work- ...looking for an experienced Senior/SME Web Developer to design, develop, test, and maintain... ...candidate will possess extensive experience in full-stack web development, user interface design,... ...developmentActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 2700...Full time
$87.1k - $157.45k
...that makes a real-world impact? Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an... ...Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical...Full timeContract work$100k - $125k
...Clearance: Secret Polygraph Unspecified Mid Level Career (5+ yrs experience) $100,000 - $... ...is looking for an experienced.NET Developer who is passionate about developing modern... ...SQL Server.3-5 years of experience as a full stack web developer.1-2 years of solid experience...Contract work$169k - $174.7k
...PID: 26-14-09P-048-WSU E-INFOSOL LLC is seeking a highly motivated Full Stack Developer Mid to join our innovative, customer-focused team in Washington, DC. Summary The Full Stack Developer Mid will play a critical role in the development and maintenance of...Full timeContract workTemporary workLocal area$87.1k - $157.45k
...support a mission with visibility at senior levels, you’ll thrive here.We’re hiring a... ...build and maintain core backend services, develop RESTful APIs, support data‑driven functionality... ..., MD; Alexandria, VA; St. Louis, MO; Chantilly, VA; Tucson, AZType: Full timeFull time- ...Mid-Level Full Stack Software EngineerAre you ready to build software that makes a real-world impact? Leidos is seeking a talented Mid-Level... ...Intelligence Community customer. In this role, you'll design, develop, and deliver modern software solutions that enable critical...Contract work
$80k - $105k
...built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy. Mid-Level Full Stack Developer Location: Remote Terms: Full-time Salary Range: $80-105k DOE Clearance: Qualified candidates must be...Full timeWork experience placementRemote workFlexible hours- ...Job Description Job Description Mid-Level Java DeveloperAbout Blue Rose Consulting Group Blue Rose Consulting Group is a mission... ...role Blue Rose Consulting Group is seeking a Mid-Level Java Developer (Programmer 2) to build web and backend applications and services...For contractorsRemote work
- ...Black Cape Title: Spectacular Full Stack Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston... ...Our engineer-led software teams develop technical solutions on an aggressive... ...Experts!! We are considering Mid to Senior Level Full-stack software...Full timeFor subcontractor2 days per week3 days per week
$87.1k - $157.45k
...security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook... ...alongside talented engineers, software developers, product managers, and mission experts to... ...Alexandria, VA; St. Louis, MO; Chantilly, VA; Tucson, AZ; Englewood, COType: Full timeFull timeContract work$79.05k - $150.65k
Mid-level Manufacturing EngineerCompany:The Boeing CompanyBoeing Defense, Space & Security (... ...and work ethic.Position Responsibilities:Develops and implements production and tooling methodologies... ..., TX; USA - Arlington, VA; USA - Ridley Park, PA; USA - New Orleans, LAType: Full timePermanent employmentFull timeWork experience placementLive inImmediate startRelocationHome officeVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- ...Consulting at DescriptionProSidian seeks a Mid-Level InfoSec Threat Intelligence Engineer... ...to team members and senior leadership.- Develop and maintain analytical procedures to meet... ...healthy and achieve work-life balance. Our full-time team members receive a comprehensive...Full timeFor contractorsWork experience placementInternshipWork at officeMonday to FridayShift work
$90k - $115k
...veteran status, or disability status.Job DescriptionWhat are you?A Full Stack DeveloperWhere is your seat?Washington, DCHow much are you... ...to EEO guidelines.SummaryType: Full-timeFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Computer SoftwareLocal area- ...DescriptionProSidian Consulting Seeks an Mid Level Energy Programs Engineering Advisor to... ..., financial, and commercial issues that developing countries face in strengthening their energy... ...currently include the following for Full Time Employees:Competitive Compensation:...Full timeContract workTemporary workFor contractorsWork at officeRemote workFlexible hours
$69.4k - $158k
Full Stack Developer, MidThe Opportunity: Do you like to build things? Are you looking to advance your career in an environment that allows you to create meaningful solutions to real client problems? Are you looking for mentors who will guide you and help you learn new...Full timeContract workPart timeWork at officeLocal areaRemote work- ...this contract is to provide the full range of technical and management services necessary to develop, maintain, and enhance CFSAN... ...Project Management: Task Order level project management to establish... ...agencies. SOFTWARE DEVELOPER (Mid-Level) - KEY PERSONNEL QUALIFICATIONS...Full timeContract workTemporary workFor contractorsWork at officeFlexible hours
- ...peer mentorship program. Travel: 0-10% The Role As a Mid-Level Forward Deployed Engineer (FDE), you will contribute directly... ...maximize the value of their technology investments. We design, develop, and deploy solutions to solve mission-critical problems. PVM is...Remote jobFull timeFlexible hours
- ...Mid-Level Java Engineer (ONSITE INTERVIEWS) Sterling, VA LOOKING FOR SEASONED BACK-END JAVA DEVELOPER FACE TO FACE INTERVIEW ONLY LOCAL TO VA... Desired Skills ~ Bachelor's degree in Computer Science or a related field ~8+ years of work experience...Work experience placementLocal area
- ...Sr. Full Stack Developer Washington, DC Top Secret/SCI Polygraph not specified Mid Level Career (5+ yrs experience) Salary not specified Sr. Full Stack Developer | TS/SCI | 6 Year Duration • Responsible for the overall SharePoint development support and maintenance...
$112k - $179k
Responsibilities Peraton is current hiring a Mid‑Level Malware Reverse Engineer for its' Federal Strategic Cyber programs. Location:... ...malware to support incident response and threat‑hunting activities.Develop and refine policies, procedures, and methodologies for malware...Contract workLocal areaRemote workShift work- ...Senior Full Stack DeveloperExpression is seeking a highly skilled and... ...experienced Senior Full Stack Developer with a passion for technology... ...detail and expediency.Senior-level proficiency with React... ...review and mentor junior and mid level developers, supplying them...Full timeFor contractorsWork at officeLocal areaImmediate startRemote workRelocation
- ...well as market and business considerations. Virginia, Pay Transparency Salary range: USD $150,000.00/Yr. - USD $180,000.00/Yr.Job SummaryID: 2026-23235Category: Engineering & Technical ServicesSecurity Clearance Requirement: SecretType: Regular Full-TimeLevel: Mid-levelWork at officeRemote workFlexible hours
$115k - $160k
...Engineer. This position is a full-time opportunity located in Chantilly... ..., applying expertise in low-level systems programming, machine... ...individual will design, develop, and deliver software solutions... ...related fieldExperience in full-stack software development with significant...Full timeWork experience placementWork at officeLocal areaRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mid-Level Full Stack Developer. Be the first to apply!
- mid-level software developer Washington DC
- full stack developer Washington DC
- full stack engineer Washington DC
- c# .net full stack developer Washington DC
- full stack / python developer (remote) Washington DC
- remote .net full stack web developer Washington DC
- mid level full stack developer Washington DC
- full stack.net developer Washington DC
- full stack developer contract Washington DC
- junior full-stack web developer Washington DC



