Back End Engineer Jobs in Washington

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301 - 320 of 454 Jobs

Node Backend Developer

Tekfortune Inc.

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Remote

Contract

Role: Node Backend Developer Location: Remote Duration: 6 Months Contract Job Description: Profile - Looking for more Back END focused. Backend could be up to 100%. If they know React that is a nice to have. Node.JS Typescript Express React - Nice to have. Typescript AWS. Ruby on Rails or TDD - Nice to have. ORM - Nice to have.
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Posted 48 days ago | Updated 18 hours ago

VueJS Developer

Yoh - A Day & Zimmerman Company

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Remote or Dallas, Texas, USA

Contract

VueJS Front-end Developer 6 month contract to hire (W2 ONLY, NO C-C) 100% Remote (MST/CST/EST) Job Summary: We are seeking a talented Vue.js Developer with strong experience in building dynamic, responsive web applications and integrating with RESTful APIs. The ideal candidate will be passionate about clean code, modern UI/UX design principles, and seamless frontend-backend communication. You ll work closely with our backend developers, designers, and product team to deliver engaging digital
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Posted moments ago

Front-End Developer

Elegant Enterprise Wide Solutions

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Oregon, USA

Full-time, Third Party

About this Position: Job Title: Front-End Developer Responsibilities: Develop responsive, accessible user interfaces for web-based assessment, instructional, and professional development platforms. Build and maintain front-end components using Vue.js, adhering to the latest best practices and compatibility standards. Ensure cross-browser and cross-platform functionality, including support for Windows, macOS, Chromebooks, and iPads. Implement WCAG 2.0 Level AA accessibility features, such as scre
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Posted 3 days ago | Updated 3 hours ago

Role: .Net Full stack Developer at Remote

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .Net Backend Developer Developer Location : Dallas, TX (Remote) 1099 & C2C - Direct client Experience: 15+ years Skills : "React" and "Azure" need SKILLS/EXPERIENCE REQUIREMENTS 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, i
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Posted 4 days ago | Updated 3 days ago

React Native Developer

Shrive Technologies LLC

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Remote

Contract, Third Party

Job Details: Application Development: Building and maintaining high-quality React Native applications for iOS and Android. UI/UX Implementation: Creating pixel-perfect user interfaces that align with design specifications, often involving translating visual concepts into functional application experiences. Performance Optimization: Diagnosing and resolving performance bottlenecks to ensure optimal speed, responsiveness, and quality. Code Quality and Testing: Writing clean, reusable, and scalable
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Posted 11 hours ago

AWS Developer with Lambda, Node.js, DynamoDB, Genesys Cloud

SidRam Technologies

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Remote

Contract

Job Title: AWS Developer (Lambda, Node.js, DynamoDB, Genesys Cloud) Location: Remote Duration: 12+ Months Job Summary: We are looking for an experienced AWS Backend Developer to augment our current team supporting Genesys Cloud integrations. This role involves enhancing and developing serverless applications using AWS Lambda, Node.js, and DynamoDB, with a focus on data transformation and efficient file transfers. Key Responsibilities: Support post-migration integration of Genesys Cloud into the
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Posted 14 days ago

Java Backend Developer- AVP

Citi

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Remote or Rutherford, New Jersey, USA

Full-time

The Java Backend Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement n
Posted 10 days ago | Updated 10 hours ago

Technical Architect with API & Node.JS

Photon

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Remote

Contract, Third Party

Client: Photon Position: Sr. Backend developer with API & Node.JS Location: 100% Remote Duration: Contract or full time The JD is exclusively focused on the Backend, specifically on designing and building robust APIs with Node.js. All front-end requirements like React.js and web markup have been removed, indicating the new role does not involve user interface development. Resilience Engineering: The entire concept of designing APIs to handle failures gracefully using techniques like circuit bre
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Posted 18 days ago | Updated 7 days ago

Angular Developer

Cloudpaths

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Remote

Contract

Job Title: Angular Developer Location: Remote Contract role. Job Description: This role will be responsible for designing, developing, and maintaining web applications that facilitate the exchange of financial information. You will work closely with cross-functional teams to ensure the seamless integration of FIX protocols into our applications. RESPONSIBILITIES Develop and maintain responsive web applications using Angular.Implement financial information eXchange (FIX) protocol standards to ena
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Posted 18 days ago

.NET Backend Developer (AI Chatbot Integration) - W2

Imetris Corporation

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US

Contract

No C2C- Only W2 Do not submit if you dont have - hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow Job Description: We are looking for a .NET Backend Developer with hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow. The role focuses on building scalable backend APIs and microservices while enabling intelligent real-time chatbot responses. Must-Have Skills: Soli
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Posted 6 days ago | Updated moments ago

API Developer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

API Developer LOCATION Tysons, VA 22182 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 services.
Posted 60+ days ago | Updated 10 hours ago

C / C++ / Java Software Developer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

C / C++ / Java Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative environme
Posted 60+ days ago | Updated 10 hours ago

Platform Engineer

SAIC

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Fort Meade, Maryland, USA

Full-time

Job ID: 2506165 Location: FORT MEADE, MD, US Date Posted: 2025-05-29 Category: Information Technology Subcategory: Platform Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence Comm
Posted 60+ days ago | Updated 8 hours ago

P25-231186 - Software Engineer III

FedEx Office

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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
Posted 32 days ago | Updated 10 hours ago

UI Developer with React JS and Ember JS

TekVivid

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Remote

Contract, Third Party

Overview: We are seeking a skilled UI Developer with strong expertise in React.js and Ember.js to join our front-end development team. The ideal candidate will be responsible for designing and implementing user interface components, ensuring high performance across a variety of devices and browsers, and collaborating with cross-functional teams to build modern, scalable web applications. Key Responsibilities: Develop and maintain responsive and high-quality web applications using js and Ember.js
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Posted 11 days ago

ReactJS Developer

cyberThink, Inc.

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Remote

Full-time

Job Summary We are looking for a highly skilled React JS Front-End Developer who can build intuitive and high-performance user interfaces for modern web applications. The ideal candidate must have deep expertise in JavaScript, React.js, and front-end development best practices. Key Responsibilities: Design and develop responsive web user interfaces using React.js Work closely with UX/UI designers, product managers, and backend engineers Translate wireframes and design prototypes into high-qualit
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Posted 12 days ago

SIGINT Software Developer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

SIGINT Software Developer LOCATION Tysons, VA 22182 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 engine
Posted 60+ days ago | Updated 10 hours ago

Android Developer

Apolis

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Remote or Menlo Park, California, USA

Full-time, Contract

Job Title: Android Developer Location: REMOTE Employment Type: Contract Rate: $50/hr About the Role We are seeking talented and motivated Android Developers to join our award-winning team and help expand our mobile experience. This is a unique opportunity to work on cutting-edge products that impact millions of users. You ll be part of a fast-paced, collaborative environment where innovation and excellence are at the core of everything we do. Teams Hiring Support Products: Own the end-to-end cu
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Posted 6 days ago | Updated 5 hours ago

Software Developer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a creative and driven individual who loves turning ideas into functional, efficient software solutions? We are looking for a talented Software Developer to join our team and help design, develop, and maintain high-quality applications. In this role, you'll collaborate with a dynamic group of professionals, apply your problem-solving skills, and
Posted 60+ days ago | Updated 10 hours ago

Java, Scala, Python Developer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Java, Scala, Python Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a versatile and highly skilled Java, Scala, Python Developer to join our team and contribute to the development of innovative and scalable software solutions. In this role, you will leverage your expertise in Java, Scala, and Python to design, build, and maintain applications that solve complex problems and meet business object
Posted 60+ days ago | Updated 10 hours ago