10 backend developer opportunities in Mclean updated today
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Role: Python Backend Developer Location: McLean, VA Duration: 12 months Interview : Client round will be in person Looking for a Senior Python Backend Developer with expertise in building and consuming RESTful API web services. Need someone with good experience in automation testing using Pytest and
Compsciprep LLCRequired: In-Person interview is mandatory. Senior Java Backend Developer, Java 11/17, SpringBoot, MicroServices, RDBMS (e.g. MS SQL or PostgreSQL), advanced SQL queries. Coding Agent enabled IDE (e.g. VSCode, Amazon Kiro). AI Coding Agents (e.g. Claude Code, Codex).
Techridge, Inc.Local and W2 Candidate Only Job ID: 160461 Job Role: Java Backend Developer Location: McLean, VA (Locals only) Duration: 6 Month Contract Must Have Qualifications: 5 years of software development experience with strong Java, Database, and transaction process skills, including the ability to write ad
SwiftBackend Developer S.W.I.F.T. SCRL is seeking a skilled Backend Developer to design, develop, and maintain robust and scalable backend systems, contributing to our critical financial messaging infrastructure. Job Responsibilities Develop and implement high-performance, fault-tolerant backend services
Aretum is looking for a Java Backend Developer in McLean, Virginia, for a contract role. This junior position focuses on developing Java backend microservices supporting federal technology programs, ensuring top-notch code quality and integration within Agile teams. The ideal candidate will have str
Job Title: Senior Java Backend Developer Location: McLean, Virginia Work Schedule: Onsite – 5 Days/Week Interview Process: Mandatory In-Person Interview at Freddie Mac Local Requirement: Only candidates local to DMV (DC, Maryland, Virginia) area will be considered Position Overview We are seeking a
Immediate need for a talented Java Backend Developer . This is a 06+ Months Contract opportunity with long-term potential and is located in Mclean, VA (Onsite) . Please review the job description below and contact me ASAP if you are interested. Job ID:26-15985 Pay Range: $65 - $70/hour. Employee ben
Job Title: Senior Full Stack Developer Location: McLean, VA (Onsite) Interview Mode: In-person Note: Only local candidates preferred Job Description : Required Skills: • 7 years of experience in Full Stack Development • Strong expertise in Java 8/17, Spring, and Spring Boot • Hands-on experience wit
Public Trust Eligibility Required This is a contingent position, meaning employment is dependent upon the successful award of the associated contract to Aretum and completion of any required background investigation or security clearance verification. About Aretum Aretum is a mission-driven organiza
Key Responsibilities: Collaborate with business stakeholders and technical teams to support data transformation initiatives Analyze and convert complex SQL queries to align with new data sources Support and execute large-scale data migration activities while ensuring data integrity and accuracy Enha
Mid-Level Backend Developer (AWS), #1063 Location: Remote-first. D.C. Metro Area Preferred Clearance: US citizenship required. Must have the ability to obtain a DHS Public Trust What You'll Be Doing: This application developer position is for a project that uses Agile Software Development to build s
Chesapeake Bay Seed Capital Fund (CBSCF)Term: Summer and Fall 2026 (June-December 2026) Hours: Approximately 20 hours per week Pay: $18-22/hour Location: University of Maryland, College Park (in person) Department: Maryland Technology Enterprise Institute (Mtech), A. James Clark School of Engineering Role Overview The I-Corps Venture Fell
Dev Technology GroupMid-Level Backend Developer (AWS), #1063 Location: Remote-first. D.C. Metro Area Preferred Clearance: US citizenship required. Must have the ability to obtain a DHS Public Trust What You'll Be Doing: This application developer position is for a project that uses Agile Software Development to build s
Active TS/SCI w/Polygraph REQUIRED Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements 7 years of experience as a software engineer Bachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be su
Key Words to Search: C++, QT/QML, Linux Job Description: In-depth experience in C++11, C++14 with advanced concepts. Experience in Linux Based System In-depth experience in QT/QML GUI Development Experience in HTML GUI Development experience. Exposure to STL, Design patterns in Object Oriented Desig
REQUIREMENT: Active TS/SCI Clearance with Full Scope Polygraph Are you tired of being underpaid or stuck on work that doesn’t matter? At Shawky Engineering, we build AI solutions that directly support real-world operational needs on the most mission essential contract in CNO. Our work is fast-paced,
Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements 7 years of experience as a software engineer Bachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be
Accrete Ai Software Engineer Position Accrete is a dual-use AI software company that licenses its Knowledge Engine Platform and Expert AI Agents to government and enterprise clients. The platform creates a unified semantic representation of an organization's ground truth—capturing tacit domain knowl
TryApplyNow is seeking a motivated Java Developer Junior to join their team in Ashburn, VA. This full-time position requires on-site work for the first year, focusing on Java and Spring Boot for web application development. The ideal candidate will hold a Bachelor’s degree in computer science and po
$85,000 – $135,000/year
Estimation confidence: High
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