backend developer Jobs in district of columbia

Refine Results
221 - 240 of 356 Jobs

P25-231186 - Software Engineer III

FedEx Office

•

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 3 days ago | Updated 11 hours ago

Java Backend Engineer || Citizens only || W2

Paradigm Infotech

•

Remote

Contract

Role: Senior Java Backend Engineer Node JS Work mode: 100% remote Rate: $--/r on W2 no benefits. Visa: U.S. Citizenship + U.S.-based residency is required Not looking for Fullstack Engineers10+ years of exp6-12 months to hire Status: U.S. Citizenship + U.S.-based residency is requiredLocation: Remote - 9:00 - 5:00pm Central Time - the client is located in the southeastTechnologies: Node.js | TypeScript | Serverless Frameworks | AWS SAM | API documentation toolPractice Group: Consulting; Agile /
Easy Apply
Posted 4 days ago | Updated 4 days ago

Java / Python / Kafka Software Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Java / Python / Kafka Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and detail-oriented Java / Python / Kafka Software Engineer to join our team and contribute to the development of scalable, high-performance systems. In this role, you will design, implement, and optimize applications using Java and Python while leveraging Kafka for real-time data processing and event-driven
Posted 60+ days ago | Updated 11 hours ago

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

•

Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with
Easy Apply
Posted 18 days ago | Updated 5 days 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 37 days ago | Updated 9 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated 11 hours ago

Principal Engineer Cybersecurity, Cloud Security

URSI Technologies Inc.

•

Remote

Contract

Job Title: Principal Engineer Cybersecurity, Cloud Security & High-Performance Systems Location: Remote (California) Duration: 12+ Months Role Overview: We are seeking a Principal Engineer with deep expertise in Cybersecurity, Secure Cloud Architectures, and High-Performance Systems. This role focuses on developing next-generation security platforms, real-time threat detection, and secure cloud services using Rust, Scala, and WebAssembly (WASM) on AWS. Key Responsibilities: Develop secure, perf
Easy Apply
Posted 18 days ago | Updated 4 days ago

Senior UI Developer

ST RXR Investments LLC

•

Remote or Miami Beach, Florida, USA

Full-time, Third Party

Job Title:Senior UI Developer (3+ Years of Experience) Compensation: Up to 300k depending on experience. Location:Miami Beach, FL [Remote is Optional] Company:ST RXR Investments LLC Job Type:Full-time About Us:We are one of the two pioneers of high frequency automated trading, and a dynamic and innovative Hedge Fund focused on building a new cutting-edge high frequency, algorithmic trading platform. Our team is developing a trading interface integrated via API, designed to offer high-performance
Easy Apply
Posted 31 days ago | Updated 19 days ago

Java / Python / Kafka Software Engineer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Java / Python / Kafka Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dynamic and detail-oriented Java / Python / Kafka Software Engineer to join our team and contribute to the development of scalable, high-performance systems. In this role, you will design, implement, and optimize applications using Java and Python while leveraging Kafka for real-time data processing and event-dri
Posted 60+ days ago | Updated 11 hours ago

Team Lead, Java Developer

Govincorp

•

Remote

Full-time

Seeking a highly skilled Team Lead, Java Developer to guide and mentor a team of developers in delivering high-quality backend services and APIs. The ideal candidate will possess strong technical expertise in Java, Go, PHP, Node.js, and MySQL, along with solid experience managing development teams and collaborating across functions to deliver scalable solutions. This position is 100% remote Responsibilities: Lead and manage a team of backend developers, providing technical direction and mentori
Easy Apply
Posted 20 days ago | Updated 6 days ago

Software Engineer, Backend

West Coast Consulting LLC

•

Remote

Contract

Job Description Backend Engineer Remote Automation: designing and implementing systems to automate manual processes, with clear error handling, observability, and fallback mechanisms.Optimized Content Classification: integrating LLMs to parse through terabytes of content, classifying it, and refining over multiple rounds of processing.Systems Architecture: We need automation solutions that will stand the test of time within the broader Reddit ecosystem, and can be used for future classification
Posted 10 days ago | Updated 8 hours ago

Senior Backend Engineer (Node.js + TypeScript) - AI meets FinTech

HENRY

•

Remote

Full-time

** Remote position ** Engineering scrums are at 9am EST Who We AreWe re a highly funded stealth startup that has built an institutional grade licensed exchange for trading illiquid real-world assets from commercial real estate to infrastructure, natural resources, and private credit. We re combining AI, deep regulatory infrastructure, and a modern tech stack to unlock trillions in global illiquid markets. What We re Looking ForWe re looking for a Senior Backend Engineer with strong experience bu
Easy Apply
Posted 18 days ago

SAP Fiori Consultant Position - REMOTE

Vailexa Technology LLC

•

Remote

Contract

Role: SAP Fiori Consultant Location: REMOTE Job Type: Contract Job Overview: An experienced SAP Fiori Consultant (Min 6+ years) with strong understanding of SAP Fiori and SAP UI5 technologies, with hands-on experience in developing and deploying Fiori applications. Qualifications and Skills: SAP Fiori Consultant with a strong understanding of SAP Fiori/UI5, SAP Gateway, and OData services. Experience with SAP S/4HANA, SAP Fiori Launchpad, and custom Fiori application development. Knowledge of AB
Easy Apply
Posted 3 days ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will tra
Posted 60+ days ago | Updated 11 hours ago

Senior Software Engineer, Backend - DevX CI

Coinbase

•

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 23 hours ago | Updated 11 hours ago

BE Crypto Software Engineer

Russell, Tobin & Associates

•

Remote

Contract

Job Title: Crypto Software Engineer Location: Remote California Duration: 6 Months plus Pay Range: $58/hr-$65/hr on W2 JOB DESCRIPTION Join the User Economy team in this contractor role, working on an exciting initiative that enables users to earn money through various company products such as Awards, Premium, Collectible Avatars, and more. We're redefining how users engage with and monetize their contributions, shaping the future of the company's creator ecosystem. We are specifically hiring a
Easy Apply
Posted 9 days ago | Updated 6 hours ago

FLEX Senior Software Engineer - Front-End Web

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. As a Senior Java, Full stack and Adobe Experience Manager (AEM) Software Engineer at Marriott, you will be working on a state of the art React based micro-ui architecture, utilizing AEM as the CMS and a Java based services. You will help build the next generation hospitality web portal to assist our customers in traveling the world for work and pleasure. You will work with product owners, UX, back-end/front-end engineers and QA engineering to build
Posted 8 days ago | Updated 11 hours ago

Staff iOS Engineer, Banking Mobile

Block Inc

•

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 21 days ago | Updated 11 hours ago

Java Swing Developer

Kforce Technology Staffing

•

Remote or Salt Lake City, Utah, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client in Salt Lake City,. UT that is seeking a Java Swing Developer. Summary: We are seeking a skilled Java Developer with strong experience in Java Swing, Oracle and JavaFX to support the development and enhancement of desktop-based software applications. This role will involve designing and implementing user interfaces, integrating back-end logic, and ensuring responsive, user-friendly application performance. Responsibilities: * Design, develop, and maintain
Posted 6 days ago | Updated 1 day ago

Senior Java Backend Engineer fully remote NODE.JS

Paradigm Infotech

•

Remote

Contract

Must be located within USA No agency or C2C will NOT be considered and Visa sponsorship is not available nor provided JOB DESCRIPTION: System Design & Leadership Lead architectural discussions and make high-level design decisions that align with project and business goals. Conduct code reviews and enforce coding standards and best practices across the API team. Cross-functional Collaboration Partner with frontend, mobile, Salesforce, and DevOps engineers to deliver cohesive, end-to-end solut
Easy Apply
Posted 4 days ago | Updated 4 days ago