backend developer Jobs in warrenton, va

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Software Engineer(Java / Spring Boot)

High Bridge Consulting

•

Remote

Contract

Our client is a Fortune 500 financial and payments technology company, and leads the industry in innovation, scale, and service. They are now looking to add to their team and are looking to hire a "Software Engineer . This role will be based in Columbus, GA, and is 100% Remote. Responsibilities: Works throughout the software development life cycle and performs in a utility capacity to create, design, code, debug, maintain, test, implement and validate applications with a broad understanding of
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Posted 8 days ago

Senior Software Engineer, Backend (Platform - Data Platform)

Coinbase

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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
Posted 60+ days ago | Updated 3 hours ago

.Net Backend Architect

Photon

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Remote

Third Party, Contract

.Net Backend Architect Remote We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems, trading platforms, and end-to-end trading infrastructure to lead the architecture and backend development of a greenfield Futures Commodity Commissions Market (FCM) platform. This product will power a federally regulated sports prediction market, akin to Robinhood s financial trading model, requiring full compliance with CFTC and NFA regulations. You will design, architec
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Posted 60+ days ago | Updated 7 days ago

Sr., Java Developer

OpTech

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Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o
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Posted 60+ days ago | Updated 21 days ago

Angular Developer

Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0221616 Angular 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 tool
Posted 17 days ago | Updated 4 hours ago

Backend Engineer (General)

Apolis

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Remote or Menlo Park, California, USA

Full-time, Contract

Backend Engineer (General) Remote 100% Direct Client Long Term About the Team and Role Today, market data platform Is not singular feature; Spans the entire user experience with a foundational service that provides data to power experiences across asset class such as Advance charts, new trading, hours, portfolio views, and even new areas that will be going out to the world soon, nearly every Feature operates with some market data involvement.What you ll do, Build Scalable system and componen
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Posted 2 days ago | Updated moments ago

User Interface (UI) Developer

Leidos

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Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a User Interface (UI) Developer with strong systems, software, and Agile experience to support a complex program to provide Agile development for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of en
Posted 2 days ago | Updated 3 hours ago

Backend Engineer

Accroid Inc

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Remote or Dallas, Texas, USA

Contract, Third Party

Remote Backend Engineer Texas In-person Interview required AI/ML Experience a big plus especially LLaMA, Vertex AI, SageMaker, AzureML, etc. VERY proficient in SQL - able to write debug and optimize queries and like working in it. Node.js : React and Next.js PostgreSQL DevOps / IaaC/ cloud Infrastructure Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datase
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Posted 27 days ago | Updated 27 days ago

PHP Web Developer

Booz Allen Hamilton

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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 4 hours ago

Front End Software Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0220446 Front End Software Engineer The Opportunity: The right interface can make a tool 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. This is an opportunity to meet challenges in mission critical operations by collaborating with a development team to develop web applications and tools with user-centric design. You
Posted 48 days ago | Updated 4 hours ago

Front End Software Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0220392 Front End Software Engineer The Opportunity: The right interface can make a tool 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
Posted 49 days ago | Updated 4 hours ago

Senior, Software Engineer | Backend | Personalization | Sunnyvale

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do **Immigration sponsorship is not available in this role.** Walmart Global Tech is looking to hire a seasoned Backend Senior Software Engineerfor Personalization team. If you are an engineer who comes with both strong back-end & front-end devlopment background & are passionate about solving problems at scale, feel free to apply! About Team: Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, st
Posted 37 days ago | Updated 3 hours ago

Frontend Developer with Backbone.js

GTSS Inc

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Remote

Third Party, Contract

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 1 day ago

Senior Back End Developer

Confidential Company

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Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!
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Posted 60+ days ago | Updated 24 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 9 hours ago

Golang -Backend Engineer

SES

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Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to work with Vendors and External Partners Job Description: The Backend Engineer is responsible for the development and
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Posted 10 hours ago

AWS Backend Engineer

Atika Tech

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Remote

Full-time, Contract

Position: AWS Backend Engineer Location: Remote Experience: 8+ Years Design, develop, and maintain scalable backend services, APIs, and data pipelines using AWS, Python, PySpark, and OpenSearch, ensuring high performance, quality, and collaboration across teams. Responsibilities: Design, develop, and maintain backend services and APIs using AWS technologies. Implement and manage search and analytics solutions using Elastic Search (OpenSearch). Develop data processing pipelines using Python a
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Posted 6 days ago | Updated moments ago

API Developer

Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

API Developer LOCATION Chantilly, VA 20151 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 service
Posted 60+ days ago | Updated 3 hours ago

SIGINT Software Developer

Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

SIGINT Software Developer LOCATION Chantilly, VA 20151 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 eng
Posted 60+ days ago | Updated 3 hours ago

Level Software Engineer

Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Level Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Give me table with 6 columns and 3 rows. In the first row give me the top 6 requirements for a Level Software Engineer job post. In the second row give me the top 6 required skills for a Level Software Engineer job post. In the last 6 cells give me the top desired skills for a Level Software Engineer job post. Make sure that the requirements lis
Posted 60+ days ago | Updated 3 hours ago