Senior Backend Engineer/Developer - Washington

Key Responsibilities · Design, develop, and maintain backend services and RESTful APIs · Build scalable, secure, and high-performance server-side applications · Manage databases, schemas, queries, and data optimization · Integrate third-party APIs, payment gateways, and cloud ser ...

About NDi · Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of th ...

About NDi · Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of th ...

Job Type · Full-time · Description · About Us · eSimplicity is a modern digital services company that partners with government agencies to improve the lives and protect the well-being of all Americans, from veterans and service members to children, families, and seniors. Our engi ...

+This is a backend engineer position responsible for designing and implementing scalable system architecture, data modeling, API and microservices development for a security case management platform.++Architect and implement backend systems. · +Design and develop high-performance ...

We're a small, fast-moving team with deep aerospace and software roots, energized by big challenges and motivated by the impact we have on real missions in this next chapter of the Space Age. · ...

Backend development using Python for scalable applications. · Strong experience with large data libraries. · Expertise in RESTful APIs and backend system design. · ...

You'll build the backend systems that power Twenty's cyber and electromagnetic capabilities—software that ingests real-time operational signals, models complex relationships, · Design and implement scalable backend services in Go that improve operator decision-making and response ...

About the Company · At Twenty, we're taking on one of the most critical challenges of our time: defending democracies in the digital age. We develop revolutionary technologies that operate at the intersection of the cyber and electromagnetic domains, where the speed of operations ...

+You'll build the backend systems that power Twenty's cyber and electromagnetic capabilities—software that ingests real-time operational signals, models complex relationships, and serves high-throughput APIs at machine speed. · Design and implement scalable backend services in Go ...

Job summary: Backend Software Developer for DoD systems protecting national leadership and federal operations. · Design and develop secure backend services using C# and .NET. · Build RESTful APIs and service-oriented architectures. · ...

We are seeking an experienced Python Backend Developer to join our team. The ideal candidate will have a strong background in backend development using Python for scalable mission-critical applications. · 5+ years of backend development experience using Python · Strong experience ...

Support DoD systems that protect national leadership and federal operations. · ...

We are seeking a GIS Backend Developer to design, develop, and maintain backend services for enterprise-level GIS applications. · Candidate should have experience designing, implementing, administrating and maintaining enterprise GIS systems (PROD and DEV), broad system administr ...

Design backend services for enterprise-level GIS applications. · Develop and maintain backend services. · Collaborate with frontend developers. · Follow secure-coding practices. · ...

· Overview · LMI is seeking a skilled mid to senior level Backend Software Developer to support a client in the Washington, DC metro area.  · LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in tech ...

eSimplicity is seeking a Backend Engineer to work with our multifunctional product team to build out a critical service offering for our government client. · , · , Build scalable back-end services using Golang. · , Develop systems with high availability and scalability in mind ho ...

We're working with Vantor on this exciting opportunity. Join a team of problem solvers and changemakers dedicated to helping customers see the world differently. · Develop system architectures, software systems, or software applications, with a primary focus on backend developmen ...

Back End Developer - Mid-level - TS/SCI Clearance Required | Fort Meade | On-site | $100,000 - $130,000 · We're working with a premier federal mission partner at the forefront of national security and defense technologies on this exciting opportunity. You will be architecting hig ...

Back End Developer – Mid-level | Fort Meade, MD | On-site | $100,000 - $130,000 · We're working with a premier federal mission partner supporting high-stakes national security and defense programs on this exciting opportunity. We are looking for a cleared developer to build missi ...