Backend Developer Jobs in Warrenton, VA

Refine Results
1 - 20 of 667 Jobs

Backend Developer - Ruby on Rails

GovCIO

Remote

Full-time

Overview GovCIO is currently hiring a Backend Developer (Ruby on Rails) to manage VA.gov sustainment and enhancement work on VRE PSES. This position is fully remote and available to candidates within the Continental United States (CONUS). Responsibilities Manages backend development for legacy modernization, sustainment, and enhancement for VA.gov. Assists with development planning of system and development deployment as well as responsible for meeting software compliance standards. Prepares

Ruby Backend Developer-Remote

Zortech Solutions

Remote or Almont, Colorado, USA

Full-time

Job DescriptionJob DescriptionRole: Ruby Backend Developer Location: Remote/Canada Duration: 6 Months Job Description: Core Development: Build and maintain backend systems using Ruby (Ruby on Rails) and Java, with focus on performance and scalabilityImplement secure data solutions across MySQL, PostgreSQL, or MongoDB databasesEnsure system integrity through proper authentication mechanismsInfrastructure Management: Handle day-to-day AWS platform operations using modern observability toolsRespon

Backend Developer - San Juan, Puerto Rico

Medido Health

Remote or San Juan, San Juan, Puerto Rico

Full-time

Job DescriptionJob DescriptionSalary: Who Are We: At Medido Health, innovation isn't just about developing another app; we're in the business of saving lives! We combine two of the fastest-growing industries: Technology and Healthcare, improving the lives of hundreds of thousands every day. Our leading-edge technology ensures secure and reliable healthcare data is available whenever and wherever needed, safely and reliably. If you are ready for the challenge, join us and start making a differen

Java Backend Developer With Healthcare Domain

Talent Group

Remote

Full-time

Key Responsibilities: Develop and maintain backend systems using Java and Spring Boot.Collaborate on cloud-based solutions leveraging AWS services.Implement and manage real-time data streaming with Kafka.Ensure performance optimization and application security. Requirements: Strong expertise in Java and Spring Boot.Experience with AWS cloud and Kafka.Strong experience in microservices and REST APIs.Strong problem-solving and debugging skills.

Backend Developer

Peritus Inc.

Remote

Contract

Looking for a Backend Developer

Backend Developer (TS/SCI)

IBM

Reston, Virginia, USA

Full-time

Your Role and Responsibilities IBM provides analytic consulting services to the US Government. The team innovated classified data service to support data-intensive assessment of Intelligence Surveillance Reconnaissance (ISR) system performance and effectiveness. We are seeking a backend developer/architect to improve existing and innovate new features for a classified ISR data and analytics service. Responsibilities will include:Improve algorithm performance, improve data quality, incorporate

Back-End Developer (Python, AWS and Serverless)

Intelix Systems

Remote

Contract

Job Title: Backend Developer (Python, AWS, Serverless) Location: Remote (but Candidate will have to go onsite Dallas, TX one week per quarter as client request. Travel expenses will be reimbursed) Job Description: We are seeking a highly skilled and motivated Backend Developer with strong expertise in Python, backend development, AWS, and Serverless architectures to join our dynamic team. The ideal candidate will play a key role in building scalable, reliable, and efficient backend systems that

Node.js Back-End Developer

Targeted Talent

Remote or Almont, Colorado, USA

Full-time

Job DescriptionJob DescriptionWe are looking for an experienced Node.js Back-End Developer for our client. This is a permanent position that is completely remote! Our client is a fintech company based out of Vancouver. You Have: 1 - 3 + years of production experience working with Node.js, JavaScript / TypeScript and related frameworks (NestJS, Express) Experience working with Front-End JavaScript frameworks like React / Redux / BootstrapGood understanding of API design and RESTKnowledge of rela

Backend Developer (GoLang

NR Consulting LLC

Remote

Contract

Title: Backend Developer (GoLang) Location: Remote (Working in PST time zone) Job type: Contract Duration: 6+ Months (With possibile extension) Number of interviews: 2 internal and 1 client Client: Software company Job Description: 10+ years of experience as a software developer. Must be an experienced coderBachelor's degree in computer science or equivalent work experience Must have skills: GoLang Experience in enterprise architecture: SAAS/PAAS experience appreciatedFollow and evolve Gestalt

Senior Back-End Developer

Vast.ai

Remote or Los Angeles, California, USA

Full-time

Job DescriptionJob DescriptionAbout UsAt Vast.ai, we value creativity, energy, drive and teamwork. We are looking for talented people who share these values to join as we grow our team. Our vision is to widely distribute AI computing to reshape our future for the good of humanity. Come join us. If witnessing the birth of AGI excites you, we can't wait to hear from you! Vast.ai is a market based cloud computing platform focused on reducing the cost and friction of compute-intensive workloads, ena

Java Backend Developer - Fulltime

Xcelo Group Inc

Remote or Dallas, Texas, USA

Full-time, Part-time, Third Party, Contract

Java Backend Developer Fulltime Location: Dallas, TX (Remote) Duration: Long Term 5-10 Years Experience We're searching for a skilled Java Backend Developer to craft the server-side magic behind our web applications. You'll collaborate with front-end developers and product managers to bring innovative ideas to life. Responsibilities: Design, develop, and implement robust and scalable back-end features using Java. Build secure and efficient RESTful APIs to power our applications. Work closely

Senior Backend Developer

Playtron

Remote

Full-time

## About Us Playtron is a trailblazing video game operating system startup poised to disrupt the gaming industry. Our mission is to create the ultimate gaming software platform that can power any type of gaming hardware with the entire PC gaming ecosystem. We are looking for a Senior Backend Developer who is passionate about building scalable systems and enthusiastic about supporting the backend development of our innovative platform. ## Role The Senior Backend Developer is a vital member of our

Senior Java Back-End Developer

Arthur Lawrence

Remote

Contract

Arthur Lawrence is looking to hire a Java Developer for one of our client's remote based project. Please find the job description below and send us your updated resume, if interested: Must-Have: 8+ years of experience as a Java Developer Experienced in J2EE/ Jakarta EE framework, SQ, RESTful web services, and API development Skilled in DB2, ORM tools, Oracle, SOA architecture, and Git or Bitbucket Version control Nice to have: Experience with Unix, Bash, and Python **TN visa sponsorship is avail

Java Backend Developer

InfoVision, Inc.

Remote

Contract

Hello, We have an immediate Openings with Our Direct Client for a Long-term contract position Java Backend Developer Location: Remote Experienced Azure Cloud Application Developer with a strong background in Java, Spring Boot, Azure Kubernetes Service (AKS), Flyway, and SQL. The candidate will be responsible for designing, developing, and deploying scalable and robust applications on the Azure cloud platform. Design, develop, and maintain Java-based applications using Spring Boot. Implement best

Back-end Developer- Power Virtual Server (PowerVS)

IBM

Remote or Austin, Texas, USA

Full-time

Your Role and Responsibilities IBM Infrastructure is a catalyst that makes the world work better because our clients demand it. Heterogeneous environments, the explosion of data, digital automation, and cybersecurity threats require hybrid cloud infrastructure that only IBM can provide. Your ability to be creative, a forward-thinker and to focus on innovation that matters, is all support by our growth minded culture as we continue to drive career development across our teams. Collaboration is

Backend Developer Remote (Blockchain-DeFi)

Turnblock.io

Remote or Boston, Massachusetts, USA

Full-time

Job DescriptionJob DescriptionExperienced Software Engineer Our client is on crypto s cutting edge technology, and we re looking for the right engineers to join them. This is a remote position for any US candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. Responsibilities As a member of an agi

Backend Developer GoLang Remote (Blockchain)

Turnblock.io

Remote or Boston, Massachusetts, USA

Full-time

Job DescriptionJob DescriptionExperienced Software Engineer - No Blockchain Experience Is Needed Our client is on crypto s cutting edge technology, and we re looking for the right engineers to join them. This is a remote position for any US candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. Co

E-Risk Services (Nationwide Insurance) - Senior Back-End Developer

Eliassen Group

Almont, Colorado, USA

Contract

Description: We are seeking a highly skilled Senior Back-End Developer with expertise in Python or C# to join our dynamic team. This role is crucial in enhancing our data management, analysis capabilities, and application development, ensuring efficiency, accuracy, and reliability in our operations. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 4

Senior Backbase Backend Developer (Java AND .NET) - Canada or LATAM only

Aequilibrium Software Inc.

Remote or Vancouver, British Columbia, Canada

Full-time

Job DescriptionJob Description Senior Backend Java Engineer We seek a Senior Backend Engineer with Java and .NET experience and expertise in integrating and extending the Backbase digital banking platform! When you join Aequilibrium, you get to be a part of a fun and agile tech professional services company driving innovative change in financial services and VR. We re looking for a strong team member who wants to contribute to our incredible culture, make a meaningful impact on client deliverabl

Sr. Backend Developer (C# / Azure)

JJ Keller & Associates, Inc.

Remote

Full-time

Sr. Backend Developer (Azure) Requisition #: 19526 / 19527 Functional Area: Software Development Employment Type: Full-Time Work Options: Remote / Work from Home in the US #LI-Remote Work Hours: Standard Business Hours Why work at J. J. Keller? Latest MS tech stack: Our projects use the latest MS tech stack, Microservices, CI/CD, Automated Testing, Cloud Architecture and Predictive Analytics / AI / ML.Emerging technologies: We strive to keep current with emerging technologies to prevent platfor