Backend Software Developer Jobs in District of Columbia

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Frontend Developer with Backbone.js

GTSS Inc

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Remote

Contract, Third Party

Title: Frontend Developer with Backbone.js Mode of Work: Remote Role Key Responsibilities:Develop, maintain, and optimize complex Backbone.js-based web applications Write clean, scalable, and modular JavaScript code using Backbone s models, views, collections, and routers Integrate front-end logic with RESTful APIs and third-party services Collaborate with designers, product managers, and backend developers to implement new features Refactor and modernize legacy Backbone code where appropriate
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Posted 7 days 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 2 days ago

Senior Java Backend Engineer

EPAM Systems

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Remote

Full-time

We are seeking a highly skilled and experienced Senior Java Backend Engineer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining scalable and efficient backend systems that support our business needs. If you are interested in this opportunity - apply! This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped offices in Tbilisi and Batumi or a coworking space in Kuta
Posted 60+ days ago | Updated 20 hours ago

Senior Software Engineer - Database

VAST Data

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Remote or Vancouver, Washington, USA

Full-time

Description VAST Data is looking for a Senior Software Engineer to join our growing team! This is a great opportunity to join one of the fastest-growing infrastructure companies in history, an organization that is in the center of the hurricane being created by the revolution in artificial intelligence. Take part in the design and implementation of the internals of the next-generation hugely scalable and highly performant analytical and vector database. "VAST's data management vision is the f
Posted 60+ days ago | Updated 8 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 7 days ago

UI Developer with Vanilla JavaScript 7+ W2

TekVivid

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Remote

Contract

Role: UI Developer with Vanilla JavaScript Location: Remote Job Summary: We are seeking a passionate and skilled UI Developer with strong expertise in Vanilla JavaScript to join our front-end development team. The ideal candidate will be responsible for building clean, user-friendly interfaces without relying heavily on frameworks. You should have a deep understanding of HTML, CSS, and core JavaScript. Key Responsibilities: Develop responsive and interactive user interfaces using HTML, CSS, and
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Posted 14 days ago | Updated 3 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 1 day ago

Java Backend Engineer - AVP

Citi

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Remote or Tampa, Florida, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic
Posted 7 days ago | Updated 7 hours ago

Senior Backend Compiler Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are searching for a Senior Backend Compiler Engineer with experience in LLVM code generation for an exciting and fun role in our GPU Software organization. Our Compiler team is responsible for constructing and emitting the highest performance GPU machine instructions for Graphics (OpenGL, Vulkan, DX) and Compute (CUDA, PTX, OpenCL, Fortran, C++). This team is comprised of worldwide leading compiler engineering experts who provide leading edge performance and capabilities for NVIDIA's current
Posted 39 days ago | Updated 7 hours ago

Front End Developer - Contractor

Dimensional Fund Advisors LP

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Remote

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 21 days ago | Updated 7 hours ago

BACKEND ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

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Remote

Contract, Third Party

Hi Professionals, We have an immediate openings for the below role, If interested please apply. Job Title: BACKEND ENGINEER/ UI SOLUTION ARCHITECT Type :C2CInterview: Telephonic & RemoteJOB RESPONSIBILITIESOVERALL EXPERIENCE 12YRS+ We are seeking a Senior Backend Engineer / Solutions Architect to join our client s innovative engineering team. This role is ideal for a backend specialist with deep expertise in Node.js and TypeScript, who is confident designing scalable backend architectures within
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Posted 44 days ago | Updated 2 days ago

Full Stack Angular Engineer

Randstad - Torc

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Remote

Contract

Full Stack Angular Engineer - Remote (US Candidates) We are looking for a highly skilled Full Stack Angular Engineer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using Angular for the frontend and modern backend technologies.Collaborate with backend engineers and product teams to build scalable, efficient solutions.Implement best practices in software architecture
Posted 60+ days ago | Updated 8 days ago

API Engineer

Kforce Technology Staffing

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Remote or Brooklyn, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an API Engineer in Brooklyn, NY. Summary: We're looking for a skilled Backend Engineer to support the development of mobile shopping experiences. This role focuses on backend/API development and will be part of a cross-functional team that includes product managers, designers, mobile app engineers, and backend developers. Responsibilities: * Design and maintain backend services that power mobile applications * Collaborate with iOS and Andro
Posted 14 days ago | Updated moments ago

Senior Backend Engineer Node.js

Avila IT

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Remote

Full-time

Job Description:We are seeking a Senior Backend Engineer with deep expertise in Node.js to architect, develop, and optimize high-performance backend systems. The ideal candidate has strong experience in building scalable microservices, integrating APIs, and working with modern cloud-based infrastructure. Key Responsibilities: Design, develop, and maintain backend services and RESTful APIs using Node.js and associated frameworks (e.g., Express.js, NestJS). Build scalable microservices for high-th
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Posted 8 days ago

ADA Accessibility Developer---Front End

Allwyn Corporation

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Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic
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Posted 24 days ago

Python Backend Engineer

ACL Digital

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Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv
Posted 57 days ago | Updated 7 hours ago

Staff Backend Engineer, Media Foundation

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Media - images & videos, are critical to the success of Airbnb as it enables guests to make informed bookin
Posted 60+ days ago | Updated 8 hours ago

Senior Backend Engineer AWS Serverless

Accylerate

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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
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Posted 6 days 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 55 days ago | Updated 5 hours ago

Senior AI Prompt Engineer (remote)

ICF

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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
Posted 25 days ago | Updated 7 hours ago