Backend Developer Jobs in Warrenton, VA

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Full Stack Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Full Stack Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a versatile and innovative developer with a passion for both front-end and back-end development? We are seeking a skilled Full Stack Developer to join our team and contribute to the creation of dynamic, user-centric web applications. In this role, you'll work on a variety of exciting projects, utilizing your expertise to design and implemen
Posted 60+ days ago | Updated 1 hour ago

Full Stack Developer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Full Stack Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a versatile and innovative developer with a passion for both front-end and back-end development? We are seeking a skilled Full Stack Developer to join our team and contribute to the creation of dynamic, user-centric web applications. In this role, you'll work on a variety of exciting projects, utilizing your expertise to design and implement b
Posted 60+ days ago | Updated 1 hour ago

Backend Python Engineer (REMOTE)(No C2C/H1B)

NetSource, Inc.

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Remote

Contract

No C2C/H1B Remote, preference in the LA area to come into the occasional in person meetings. Please note that this is a 4-month contract position. Tech Stack / Tools: Python (NumPy, Pandas, SciPy) SQL (PostgreSQL or MySQL preferred) Github Jupyter notebook Experience with production systems and deployment environments Requirements: 3+ years of experience in backend development using Python in a production environment. Must know be proficient in NumPy, Pandas, SciPy, and Object-Oriented Progra
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Posted 11 days ago | Updated 6 hours ago

Core Java and SQL / Remote / Construction Planning Software

Motion Recruitment Partners, LLC

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Remote or Boston, Massachusetts, USA

Full-time

Join a small, agile team building a highly scalable, cloud-based backend powering complex data-driven web applications. This is a great opportunity for a backend engineer with strong Java and SQL expertise who thrives in a startup-like environment and enjoys tackling performance-heavy challenges. This is an opportunity to work side-by-side with the Chief Software Architect on a lean team driving architecture and core functionality. You'll be writing highly concurrent Java code and building syste
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Posted 3 days ago | Updated 10 hours ago

Senior Artificial Intelligence Test Engineer

iSpace, Inc

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Remote

Contract

Senior Artificial Intelligence Test Engineer Location: Hybrid of 3 days/month onsite during the 2 nd full week of each month in either Denver, CO/Brentwood, TN/Malvern, PA or 100% remote with travel 2-3 times/year (if remote) Duration - 3 6-month Contract to Hire Opportunity Working Hours Mon-Fri, from 8AM 5PM EST This is an exciting opportunity to join a new team that will be supporting the testing efforts for AI products within an industry leading healthcare organization. This team will be s
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Posted 39 days ago | Updated 1 day ago

Senior Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Senior Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Senior Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role:
Posted 60+ days ago | Updated 2 hours ago

Lead Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Lead Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role: In t
Posted 60+ days ago | Updated 2 hours ago

Senior JavaScript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 45 days ago | Updated 8 days ago

Senior Mobile Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Senior Mobile App Engineer to join one of the fastest growing healthtech startups in the country,remotely. This is a unique opportunity to work with a mission-driven team using cutting-edge technology to transform preventive healthcare at scale. If you're passionate about innovation, health optimization, and building high-impact mobile experiences, please apply today! Position Overview: Lead and contribute to the design, development, and deployment of cutting-edge mobile appli
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Posted 24 days ago | Updated 23 days ago

Application Developer

Akima, LLC

•

Herndon, Virginia, USA

Full-time

Cloud Lake Technology is seeking an Application Developer to join the Cloud Lake Digital Experience Team (CDx) in support of high-profile federal contracts. This role focuses on designing, developing, and maintaining robust web applications across modern tech stacks. The ideal candidate is a dually skilled front-end and backend developer, committed to delivering performance-driven and visually engaging digital experiences. This position will work closely with UI/UX designers, product owners, an
Posted 3 days ago | Updated 2 hours ago

Backend JAVA Engineer (REMOTE- EST Timezone)(No C2C/H1B)

NetSource, Inc.

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Remote

Contract

No C2C/H1B Java backend development experience is a must; all others will be rejected. Network programming techniques (SMP, TCP/IP, Sockets) is a must. Please note that this is a 6-month contract position with possibility to extend. A coding exercise to validate technical skills will be on the 1st interview with client.Remote Work Considerations: While we prefer candidates to work onsite, we are open to remote candidates as long as they can commit to core working hours in US Eastern Time.Locati
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Posted 9 days ago | Updated 6 hours ago

UI Angular Developer (AVP) - Hybrid

Citi

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Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio
Posted 47 days ago | Updated 2 hours ago

Senior Software Engineer, Backend (Platform - Data Platform)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 13 hours ago | Updated 2 hours ago

Frontend Developer / React JS developer ( Onsite 5 days)

American IT Systems

•

Reston, Virginia, USA

Contract, Third Party

Job Title: React JS developer 10+ years Locations: Reston, VA Work Mode: 5 days onsite Job Description: We are seeking a skilled Frontend Developer with a minimum of 10years of experience in front-end technologies. The ideal candidate should have strong expertise in JavaScript, TypeScript, Node.js, React, and Redux, along with proficiency in Jest and Git. Key Responsibilities: Develop and maintain scalable front-end applications using React and Redux.Write clean, maintainable, and efficient cod
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Posted 49 days ago | Updated 4 hours ago

Staff Software Engineer - Java Backend

CVS Health

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Remote or Woonsocket, Rhode Island, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 60+ days ago | Updated 2 hours ago

Java Developer

ePace Technologies, Inc

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Remote

Contract

Position Title: Java Backend Developer Joining Mode: Long Term Contract Extensive AWS experience (incl. Cloudscape and AWS CDK, S3, Cloudwatch, Bedrock, AmazonQ, Lambda, CloudTrail, APIGateway, IAM) Backend development with a strong focus on security and Identity. Proficiency in TypeScript and Java. Familiarity with Generative AI and Machine Learning including Retrieval Augmented Generation (don t need experience; just awareness) Ability to work and deliver independently with minimal guidance. G
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Posted 1 day ago

Java Engineer / Golang / Remote / Modernization / CICD / Chicago

Motion Recruitment Partners, LLC

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Remote or Chicago, Illinois, USA

Full-time

This company is looking for a Senior Backend Developer to join their fully remote engineering team, forced on an enterprise-grade user experience monitoring and diagnostic platform used across virtual and cloud-based environments. In this role, you'll be a key contributor to the ongoing development and performance optimization of a high-throughput analytics product used by IT teams to monitor and troubleshoot digital workspaces at scale. You'll work closely with a tight-knit team of backend engi
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Posted 13 days ago | Updated 10 hours ago

PHP WordPress Plugin Developer

Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0219572 PHP WordPress Plugin Developer The Opportunity: The right interface can make a system easy to use, encourage early adoption, and save time and resources. We're looking for you, a web developer who will use equal parts skill and vision to create an experience that delivers functionality and efficiency. Bring your passion for creating an amazing user experience to Booz Allen. We need an experienced front-end developer who will use their passion to guide a development team to
Posted 1 day ago | Updated 2 hours ago

API Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

API Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining robust APIs that power our applications and services. In this position, you will collaborate with cross-functional teams to create scalable, secure, and high-performance solutions that integrate seamlessly with various platforms and service
Posted 60+ days ago | Updated 2 hours ago

SIGINT Software Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

SIGINT Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking an innovative and driven SIGINT Software Developer to join our team and create cutting-edge solutions for Signals Intelligence operations. In this role, you will design, develop, and optimize software tools and systems that support the collection, processing, and analysis of SIGINT data. Working alongside a talented group of eng
Posted 60+ days ago | Updated 1 hour ago