Software Developer Sr jobs in Greenbelt

At i360technologies, we deliver business consulting and technology solutions that support the mission of federal agencies. We are Database Developer to design and implement the data architecture supporting the federal agency’s BOAT low-code platform. This role is responsible for data modeling, integ

As a Sr. Mobile Application Developer (AppDev) , you’ll design, build, and sustain secure iOS and Android applications with the goal of delivering mission-critical mobile capabilities across the federal government. Our engineering team is responsible for building and operating high-security mobile s

Job Description Inova Clinical Analytics is looking for a dedicated Sr. Epic BI Developer to join the Team. This hybrid role will be full-time day shift working Monday – Friday. The Sr. Epic BI Developer assesses client requirements, details their current data needs, and designs a data sourcing stra

DESCRIPTION We are building something transformational - a greenfield, enterprise-grade data and insights platform that will redefine how automobile dealers, OEMs, and third-party partners engage with Amazon Autos. This is a foundational tech lead opportunity to architect and own the systems that po

Inova Clinical Analytics is looking for a dedicated Sr. Epic BI Developer to join the Team. This hybrid role will be full-time day shift working Monday – Friday. The Sr. Epic BI Developer assesses client requirements, details their current data needs, and designs a data sourcing strategy for develop

Software Developer Gaithersburg, MD 8 months Public Trust In this position, you will design and implement software solutions independently while working closely with systems engineering, product delivery, and DevSecOps teams. The primary focus is on developing microservices-based applications within

JOB ID: 726190BR Date posted: Apr. 28, 2026 Description: What We’re Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. You’ll develop innovative offensive cyber capabilities

As a Sr. Full-Stack (.NET) Developer I , you'll work on a portfolio of mission-critical applications that support the highest levels of the federal government. We know that you can’t have great technology services without amazing people. At MetroStar, we are obsessed with our people and have led a t

Sr Tableau Developer 2-3 days onsite - Reston, VA No C2C, Corp to Corp please Salary, overtime pay, benefits packages, paid vacation, sick and holiday leave and more Top Skills Strong Tableau skill SQL Jira BA/Testing background Bachelor degree or equivalent on Computer Science, IT, Engineering with

MetroStar

$170,000 - $216,000 /year

As a Sr. Mobile Application Developer (AppDev), you’ll design, build, and sustain secure iOS and Android applications with the goal of delivering mission-critical mobile capabilities across the federal government. Our engineering team is responsible for building and operating high-security mobile so

MetroStar

$120,000 - $175,000 /year

As a Sr. Full-Stack (.NET) Developer I, you'll work on a portfolio of mission-critical applications that support the highest levels of the federal government. We know that you can’t have great technology services without amazing people. At MetroStar, we are obsessed with our people and have led a tw

Peraton

$176,000 - $282,000 /year

Responsibilities Design and Development Design and build high-performance, interactive data visualizations and dashboards using modern web technologies. Develop DOM-based (e.g., D3, SVG) and rendering-based (e.g., Canvas, WebGL, WebGPU) visualizations based on use case and performance needs. Write c

Job Description: Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able To Obtain: None Public Trust/Other Required: None Job Family: Technical Solutions Skills: Job Qualifications: Amazon Web Services (AWS) Security, Artificial Intelligence (AI), AWS

Applicants must posses a Top Secret Clearance for consideration - higher clearance level can be held* Zachary Piper Solutions is seeking a Software Developer to support a mission critical Intelligence Community program based in Herndon, VA. This is a full time, onsite position due to specific progra

Vidoori is a digital transformation leader recognized for delivering excellence in cloud and software solutions. As we expand our security engineering capabilities, we are seeking an experienced Security Software Developer to join our team. This role offers the opportunity to design, build and maint

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world diff

Vidoori is a digital transformation leader recognized for delivering excellence in cloud and software solutions. As we expand our security engineering capabilities, we are seeking an experienced Security Software Developer to join our team. This role offers the opportunity to design, build and maint

The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Senior Software Developer to lead a multi‑disciplinary team delivering software across the DoD mission space. The developer will work in Agile teams to scope requ

The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Journeyman Software Developer to support a multi‑disciplinary team delivering software across the DoD mission space. The developer will work in Agile teams to sco

Job Description Readiness Delivered. Kratos is a leader in assured aerospace communication solutions and services. We are cutting-edge innovators and creative problem solvers working collaboratively to solve our customers’ toughest challenges. Our culture is fast-paced and innovative. We are a trust