Back End Engineer Jobs in Washington

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PHP Web Developer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0219746 PHP Web 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 learn new too
Posted 60+ days ago | Updated 11 hours ago

UI Developer /Front-end Developer/ Angular

CMCI

•

Ashburn, Virginia, USA

Full-time

User Interface (UI) Developer Location: **This position REQUIRES onsite support in Ashburn, VA, 2 times a week** Why CMCI? CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly competitive market. Our goal is to seamlessly integrate into each customer's organization to fully understand their business and technological needs. This approach allows us to quickly deliver high quality solutions while achieving the highest leve
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Posted 19 days ago

ReactJS Lead Developer

Photon

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Remote

Third Party, Contract

ReactJS Lead Developer Remote Responsibilities: React Development: Build and maintain reusable UI components using React and its ecosystem (e.g., hooks, state management). Leading a team of developers and peer code review. UI Implementation: Translate UI/UX designs and wireframes into clean, efficient, and maintainable code using HTML, CSS, and JavaScript/TypeScript. State Management: Implement and manage application state effectively using libraries like Redux, Context API, or other state mana
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Posted 2 days ago

Front-End Developer

Elegant Enterprise Wide Solutions

•

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 1 day ago

Software Engineer With Poly Early to Mid

Lockheed Martin Corporation

•

Annapolis, Maryland, USA

Full-time

Job Description THE WORK This role collaborates with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This role involves supporting the development of data analytics solutions and contributing to agile development projects. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge
Posted 6 days ago | Updated 10 hours ago

SQL Server Developer / Performance Tuning - REMOTE - W2 or 1099 ONLY

DataEdge Consulting, Inc.

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Remote

Contract

Sr. SQL Server Developer / Data Engineer REMOTE Charlotte NC Preferred About our Customer: Our direct customer, a global Fortune 500 company & a leader in the Food Services industry is looking for Senior SQL Server Developer / Data Engineer ( to Modernize a legacy SQL Server data layer by translating complex joins and procedures into optimized, scalable patterns for containerized services. Responsibilities: Play a critical role in ensuring high-performance data access and preparing the system fo
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Posted 4 days ago | Updated 4 days ago

Junior React Native Developer

Proventus Metrics

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Remote

Full-time, Third Party

Job Position :- Junior React Native Developer Experience :- 3 to 6 yrs Location :- Remote (In Texas) 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, resp
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Posted 2 days 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 10 days ago | Updated 2 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 16 days ago | Updated 10 hours ago

Senior Manager, Software Engineering - Card Tech

Capital One

•

McLean, Virginia, USA

Full-time

Senior Manager, Software Engineering - Card Tech Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologies. A
Posted 60+ days ago | Updated 2 hours 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 24 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 12 days ago | Updated 1 day 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

•

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

•

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

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 17 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 18 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

Backend developer with Healthcare domain experience

Select Jarvis.com

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Remote

Contract

Backend Java Spring Framework Gradle Knowledge of Relational Databases: PostgreSQL, MySQL, Big Query, etc. Knowledge of cloud platforms (Google Cloud, AWS, Azure) Knowledge of Kubernetes is a plus Knowledge of Enterprise integration patterns and best practices is a plus
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Posted 4 days ago | Updated 2 days ago

Software Developer

Cymertek Corporation

•

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