Backend Developer jobs in Tysons

Maintec Technologies

REQUIREMENT Backend Data Developer ( Python and PySpark . ) McLean, VA Long term contract Prior experience with the Client : Capital One is Must Responsibilities Design and develop data engineering solutions in a federated platform environment. Build and optimize ETL/ELT pipelines and large-scale di

## **Please review the job details below.** This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph. The Back-end Developer will work independently and as part of a cross-functional team comprised of technical experts supporting an established and gr

Backend Developer – Healthcare Accounting Services Location: Herndon, VA (Onsite) Clearance Requirements: Must be eligible for Arkansas Security Clearance Position Status: Long‑Term Contract Position Description: We are seeking a skilled Backend Developer to join a mission‑driven team supporting Hea

BT-242 – Backend Developer Skill Level: Senior Location: Chantilly, VA (fully on-site, no remote option) MUST HAVE A POLY CLEARANCE TO APPLY. Those without a Poly clearance will not be considered. Required Skills: Demonstrated hand on experience with backend frameworks such as Spring Boot and Hibern

CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly competitive market. Our goal is to seamlessly integrate into each customer's organization to fully understand their business and technology needs. This approach allows us to

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

Software Developer Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus' role as a reliable prime for high-impact government missi

LT Consulting LLC

Description LT Consulting is seeking a Backend Web Developer with an active TS/SCI polygraph clearance to design and build secure, high-performance APIs and backend services supporting mission-focused applications. As a Backend Developer, you'll work across the full scope of backend services, develo

Maxiom Technology

Do you like writing mean and clean Ruby code? Come and join our team and help us build amazing things for our clients. We are looking for mostly a backend developer, but if you are fullstack that works too. We’re looking for someone with a passion for programming and for writing beautiful code. You

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking a

Leading Path Consulting LLC

*Active TS/SCI w/ FSP required at time of application We’re looking for a Data Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back-end engineering with data pipeline development and is perfect for someone who enjoys designin

Company Overview 10Pearls is an award-winning end-to-end digital innovation company that helps businesses imagine and build the future. We are proud to announce that 10Pearls was named the winner of the Best Tech Work Culture Timmy Award in Washington, D.C. by Tech in Motion, recognized on the Inc.

Overview BigBear.ai is seeking a Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA. What you will do Working closely with the tech lead and senior developers, the Mid-Level Java Developer will participate in the system architecture design, systems

Company Overview 10Pearls is an award-winning end-to-end digital innovation company that helps businesses imagine and build the future. We are proud to announce that 10Pearls was named the winner of the Best Tech Work Culture Timmy Award in Washington, D.C. by Tech in Motion, recognized on the Inc.

IT Data Consulting (ITDC) is a well-established national consulting firm, is looking to hire a Java Developer with a minimum of 3+ years of experience to become an integral part of our team on a complex risk analysis and workflow platform. We are an Agile, DevOps, cross-functional team where develop

Our company is hiring an experienced PHP Backend Laravel Developer who will help us build software using Laravel Framework within PHP programming language. As part of OutKos you will be able to set your own hours and even work remote. We unify strategy, design and development into one digital soluti

Position Title Sr. Backend Java Developer Position Responsibilities Role: Senior Backend Java Developer Location: McLean, VA - Onsite (5 days/week) | Local candidates only Key Responsibilities Design, build, and maintain backend services using Java and Spring Boot Develop and evolve microservices an

A leading interactive agency in Washington, DC is seeking a Back-end Drupal Developer to partner closely with stakeholders to define business objectives and build applications. The ideal candidate will have 2-3 years of experience with Drupal 7, a strong understanding of PHP OOP, and proficiency in

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge that we can’t turn into opportunity. And our work depends on a Backend Software Developer joining our team to sup

A leading IT consulting firm is seeking a Senior Full Stack Developer (Backend) in Reston, VA. You will design and build backend platforms while integrating emerging technologies in a hybrid work environment. The ideal candidate has 7+ years of experience in backend development with a strong focus o