back end developer Jobs in fairfax, va

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Ruby on Rails Back-End Developer

Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0221831 Ruby on Rails Back-End Developer The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Boo
Posted 1 day ago | Updated 8 hours ago

Java Backend Developer - Citizen

ADG Tech Consulting, LLC.

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Tysons, Virginia, USA

Full-time

Title: Java Backend DeveloperLocation: Tyson's Corner, VA(Three days onsite a week is mandatory)Clearance: To obtain a clearance, you must be a U.S. Citizen Skills:Java JEE backendHibernate or other ORMAmazonMQ->ActiveMQAWS infrastructure knowledgeLambda experiencePythonWeb ServicesPostgreSQL knowledgeServerless, Microservices Client and Server side.AngularJS, JQueryKnowledge of Legacy Java Server Pages and MVC model for legacy apps Minimum Experience: 5 years +
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Posted 1 day ago

Backend Software Developer (Clearance Required)

LMI Government Consulting (Logistics Management In

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Washington, District of Columbia, USA

Full-time

Overview LMI is seeking a skilled mid to senior level Backend Software Developer to support a client in the Washington, DC metro area. LMI is a consultancy dedicated to powering a future-ready, high-performing government, drawing from expertise in digital and analytic solutions, logistics, and management advisory services. We deliver integrated capabilities that incorporate emerging technologies and are tailored to customers' unique mission needs, backed by objective research and data analysis.
Posted 8 days ago | Updated 4 hours ago

Sr Backend Developer - Golang, Python, Blockchain

SES

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Remote

Full-time

Sr Backend Developer - Golang, Python, Blockchain Top 4 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Familiarity with backend databases: SQL, PostgreSQL, or MongoDB 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
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Posted 1 day ago

Back End Software Developer

QinetiQ US

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Chantilly, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a
Posted 60+ days ago | Updated 7 hours ago

Java Backend Developer

Idexcel Inc.

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McLean, Virginia, USA

Full-time

IDEXCEL Client is Looking for Job Title: Java Backend Developer @ Mclean VA / Reston VA for Full time basis Job Title: Java Backend DeveloperLocation: Mclean VA / Reston VA (Hybrid) Duration: Fulltime Need Only Locals Skills need : Java Spring Springboot Microservices AWS services
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Posted 50 days ago | Updated 8 days ago

Backend Developer Level 2

Kforce Technology Staffing

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Remote or Cincinnati, Ohio, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client that is seeking a Backend Developer Level 2 in Cincinnati, OH. Summary: We're looking for a skilled Backend Developer to join the Supply Chain Strategic Operations Support (SCSOS) team, which owns the full DevSecOps responsibilities for four enterprise applications. This role is essential to the long-term support and enhancement of applications that require 24x7 availability. You'll play a key role in the design, development, and maintenance of scalable bac
Posted 2 days ago | Updated moments ago

Remote Backend Developer (EST)

Find Great People

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Remote

Full-time

Ideal Background: 4+ years of experience focused on backend development for web-based applications Strong communication skills, both written and verbal, in English Detail-driven and well-organized, with a proactive mindset Core Technical Strengths: Advanced hands-on development using Node.js and TypeScript Solid understanding of object-oriented design and architecture principles Skilled in working with APIs, including REST and GraphQL Practical experience with Shopify Plus, including working wit
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Posted 3 days ago

W2 Role || Backend Java Developer****Must be local to VA***Inperson Interview

V.L.S. Systems, Inc

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Manassas, Virginia, USA

Contract

Role: Backend Java Developerr Location: Manasas, VA (4 to 5 days a week) Duration: 12-month contract-to-hire Backend Java Developer (10 years of experience), Springbot, API, Multi-threading, some Python, and finally Linux experience. They don t use windows, Client uses Linux. . The interview must be in person and work on site is 4 possibly 5 days a week at 7.5hrs a day, 37.5hrs a week. Job Description: We are partnered with the worlds leading provider of secure financial messaging services in t
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Posted 22 days ago | Updated 10 days ago

Java Back end Developer--100% Remote

Saxon Global Inc.

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US

Contract

Hello, I am Mohammed Dastagir with Saxon Global Inc wanted to let you know about the job opportunity for Java Back-end Developer position if interested please share your updated resume along with expecting rate. Job Title: Java Back-end Developer Location: 100% Remote Duration: Long term contract Only on w2 Job Description:? Mid to Senior-Level - Looking for a backend engineer who can own the backend architecture, ensure high performance and scalability, and work well with both frontend an
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Posted 22 hours ago

.NET Backend Developer

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .NET Backend Developer with Azure Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services,
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Posted 2 days ago | Updated 22 hours ago

Java developer (Locals in VA)

Advansys Inc

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McLean, Virginia, USA

Contract

Job title: Java developer Location: Mclean, VA Duration: 6+ months looking for a strong java developer. Experience with micro services architecture Must have AWS experience. Experience using Snowflake or PostgreSQL Financial/mortgage industry experience is must. Experience with Angular is plus
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Posted 18 days ago | Updated 4 days ago

Java Backend Developer

SAR TECH LLC

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Remote or Sunnyvale, California, USA

Third Party, Contract

Job Title: Java Backend Developer Location: Sunnyvale, CA (Hybrid 2-3 days onsite) Duration: Long-term Contract Rate: $65/hr on C2C Visa: Open to All Visa Types Client: TBD Job Description: We are seeking a talented and experienced Java Backend Developer with strong expertise in building scalable and maintainable microservices using Java and Spring Boot. The ideal candidate should have 7+ years of backend development experience, including designing REST APIs, working with relational and NoSQL d
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Posted 13 days ago

Backend Java Developer

BGI, LLC

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Remote

Full-time

Position Summary BGI is seeking a skilled and motivated Backend Java Developer to join our growing engineering team. In this role, you will be responsible for designing, developing, testing, deploying, and maintaining the server-side logic and APIs that power an automated material tracking platform. You will leverage your expertise in Java and the Spring Framework to build high-quality, high-performance, and reliable backend services. You will collaborate closely with front-end developers, produ
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Posted 60+ days ago | Updated 7 days ago

Fullstack Developer - Backend Specialization

SilverEdge

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Reston, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Fullstack Web Developer - Backend Specialization to join our dynamic team. This individual will play a pivotal role in developing innovative and e
Posted 50 days ago | Updated 7 hours ago

Sr 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 doing general app/web dev 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 10 days ago

.NET BACKEND DEVELOPER-REMOTE

Neo Prism Solutions, LLC

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Remote

Full-time

Job Title: .Net Backend Developer Location : Remote Job Type: Contract SKILLS/EXPERIENCE REQUIREMENTS 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, including an in-depth knowledge of implementing RESTful, micro services design patterns and architecturesStrong experien
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Posted 7 days ago | Updated 22 hours ago

Python Backend Developer - EST

Reveille Technologies

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Remote

Contract

Role: Python Backend Developer - EST Location: Remote Years of Experience: 10+ years Job Description API Development and Integration:o Design and implement RESTful or Graph QL APIs. o Integrate third-party services and APIs. Database Management:o Design and optimize database schemas. o Write efficient queries and manage database migrations. o Ensure data integrity and security. Server-Side Logic:o Implement business logic and algorithms. o Handle server-side processing and computations. Security
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Posted 21 days ago

Java Backend Developer | Remote

Doyensys Inc

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Remote or Dallas, Texas, USA

Contract, Third Party

Doyensys is a Management and Information Technology consulting services company based out of Dallas, TX. With 200+ employees globally, we support customers around the globe to solve their business and technology challenges. Great culture, excellent benefits , consistant growth are some of the attributes of Doyensys. We look for great talents to join our thriving team. Why settle for less?Job Title: Java Developer Location: Remote is ok. Most team members work outside of the Cincinnati area. Core
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Posted 18 days ago | Updated 2 days ago

Software Engineer, Backend ( Developer Experience - Server Foundations)

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 56 days ago | Updated 7 hours ago