Backend Developer Jobs in Warrenton, VA

Refine Results
121 - 140 of 250 Jobs

Software Engineer (JavaScript, AngularJS, MongoDB, AWS)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Software Engineer (JavaScript, AngularJS, MongoDB, AWS) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a motivated and skilled **Software Engineer (JavaScript, AngularJS, MongoDB, AWS)** to join our dynamic development team. In this role, you will be responsible for designing, building, and maintaining full-stack web applications using JavaScript, AngularJS, and MongoDB, while leveraging AWS cloud servi

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te

Java / Spring Developer

Cymertek Corporation

Reston, Virginia, USA

Full-time

Java / Spring Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cross-

Software Engineer

Cymertek Corporation

Reston, Virginia, USA

Full-time

Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated Software Engineer to join our team and contribute to the development of cutting-edge software solutions. In this role, you will be responsible for designing, coding, testing, and deploying applications that meet high standards of performance, security, and scalability. The ideal candidate is a problem-solver with a

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

Remote or Bellevue, Washington, USA

Contract

Title: Adobe Experience Manager (AEM) Developer / Architect Location: Bellevue-WA-Onsite role Contract role About the Role We are looking for a results-driven AEM Architect with deep expertise in building and architecting scalable, enterprise-grade digital solutions using Adobe Experience Manager (AEM), NET, AI-powered technologies, and modern front-end frameworks. This role is a hybrid of hands-on development and architectural ownership, including technical design, performance optimization, and

React Native Mobile Architect

Aptino

Remote

Third Party, Contract

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a

Senior Backend Automation Engineer

Avila IT

Remote

Full-time

Job Description:Walmart is looking for a Senior Backend Automation Engineer with deep expertise in backend testing, API automation, and scalable test framework development. The ideal candidate should be highly skilled in test design for microservices and backend systems, with a strong understanding of REST APIs, data validation, and CI/CD integration. Key Responsibilities: Design, develop, and maintain robust automation test suites for backend services and RESTful APIs. Build reusable frameworks

P25-231186 - Software Engineer III

FedEx Office

Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with

Sr. Front End Engineer/ Next.js/React

Encora

Remote

Contract

Sr. Front End Engineer/ Next.js/React Location: Remote Duration: 6+ months contract Duties: Architect and develop responsive and performant web components and applications using modern JavaScript practices (Next.js/React).Lead the front-end technical design and implementation of complex user interfaces, ensuring optimal performance and scalability.Drive cross-team collaboration by:Working closely with back-end engineers to define and consume API contracts.Partnering with product managers and

Senior Backend Engineer - Node Js

CVS Health

Remote or Richardson, Texas, 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

Hands-on Technical Manager, Java Developer

Govincorp

Remote

Full-time

Seeking a highly skilled Hands-on Technical Manager, Java Developer to guide and mentor a team of developers in delivering high-quality backend servicesHands-on Technical Managerand APIs. The ideal candidate will possess strong technical expertise in Java, Go, PHP, Node.js, and MySQL, along with solid experience managing development teams and collaborating across functions to deliver scalable solutions. This position is 100% remote Responsibilities: Lead and manage a team of backend developers,

LEAD UI Developer (ONLY W2 Candidates)

ERPA

Remote

Contract

Title: Lead UI Developer (ONLY W2 Candidates) Location: U.S Remote (EST Schedule 8-5) Duration: 12 month contract Needs: 6+ years professional experience with frontend UI development and designStrong experience with ReactExperience with design tools: Figma, Adobe, or SketchExperience with TypeScript, HTML, Ctrong experience with team leadership and excellent communication skills Nice to Haves: AWS S3SQLAPIs About the Role We are seeking a highly skilled and experienced Lead UI Developer to driv

Senior Backend Engineer AWS Serverless

Accylerate

Remote

Contract

Client: College Board Title: Senior Backend Engineer AWS Serverless Location: 100% Remote Duration: Long Term Profile: They seek a senior to lead-level candidate with SOLID AWS solutions experience and JavaScript coding.This team is the interface with the vendors for scoring feeds and then connects to the program applications.This role is nearly solely focused on back-end microservices coding in all the AWS tech stack, building applications to run here.Job Description: As a Senior Software Engin

Sr. Java Backend Engineer Java / Spring / Spring Boot / Azure / Kafka

Empower Professionals

Remote

Third Party, Contract

Role: Sr. Backend Engineer Java / Spring / Spring Boot / Azure / Kafka Location: Remote Duration: 12+ Months Must have: Java / Spring / Spring Boot / Azure / KafkaNoSQL databases (like MongoDB)Relational databases (DB2, SQL Server, PostgreSQL) Requirements: 10+ years of backend development experience with Java and Spring Boot.Extensive hands-on experience with the Spring Framework, including Spring Boot, Spring Core, and Spring Batch etc.Strong hands-on experience with Apache Kafka for strea

DevOps Platform Security Engineer (Experiences with C#, Java , PHP )

Serenity Info Tech, Inc.

Remote

Contract

Hi Please find my direct client job requirement for your consideration. Title: DevOps Platform Security Engineer (Experiences with C#, Java , PHP ) Locations: Alpharetta, GA Duration :12 Months Note: Local Candidates are preferred DevOps / Platform / Security Engineer with strong automation and scripting skills Backend developers with deep PHP, JavaScript, and C# experience focused on secure legacy code remediation Proven track record in securing and modernizing CI/CD pipelines Skilled in clo

Senior Software Engineer, Backend - DevX CI

Coinbase

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

Senior Data Analyst

ICF

Reston, Virginia, USA

Full-time

Job Description The Company: ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are passionate about building a culture that encourages, embraces, and hires dimensions of difference. The Team: Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for success, and then make it happen. We know

Senior AI Prompt Engineer (remote)

ICF

Remote or Reston, Virginia, USA

Full-time

Senior AI Prompt Engineer (USA - remote) Please read the entire JD before applying. The Company: ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are enthusiastic about building a culture that encourages, embraces, and hires dimensions of difference. The Team: Our Health Engineering Solutions (HES) team works side by side with customer

Java / Python / Kafka Software Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Java / Python / Kafka Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and detail-oriented Java / Python / Kafka Software Engineer to join our team and contribute to the development of scalable, high-performance systems. In this role, you will design, implement, and optimize applications using Java and Python while leveraging Kafka for real-time data processing and event-dri