Senior Software Engineer Jobs in District of Columbia

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1,961 - 1,980 of 2,473 Jobs

Developer-Full Stack Professional

Apex Systems

•

McLean, Virginia, USA

Full-time

Job#: 2057362 Job Description: We are hiring Developer-Full Stack Professional! Role: Developer-Full Stack Professional Supporting: Large Financial Services Client Location: Hybrid - Tuesday through Thursday - McLean, VA Position Description: We are seeking an experienced Full Stack Developer with strong proficiency in Java, JavaScript, and modern web technologies to join our dynamic team. In this role, you will be instrumental in developing cutting-edge financial applications and services using
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Posted 60+ days ago | Updated 5 hours ago

Remote Cybersecurity Engineer (API/Web App Security)

Software Guidance & Assistance

•

Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Remote Cybersecurity Engineer (API/Web App Security) for a CONTRACT assignment with one of our premier Healthcare Services clients for a Remote position. Top Skills Needed: Azure/Entra ID Scripting (Powershell or Python) API Security frameworks OWASP top 10 Responsibilities: We are seeking an experienced Cyber Security Engineer to join our team, responsible for ensuring the security of our applications and APIs. This role w
Posted 37 days ago | Updated 2 hours ago

Lead Java Full Stack Developer (local candidates to Washington metropolitan area only) f2f interview

Shift Code Analytics

•

Reston, Virginia, USA

Contract, Third Party

Hi, Hope you are doing well I have an urgent opening Lead Java Full Stack Developer at Reston, VA Position Type: Contract Location: Reston, VA, United States Description: Interview: Virtual Hybrid: Reston VA (Candidates must be local to the DMV area) 12-month+ contract, Lead Java Software Engineering opening JD: This is 60% Backend, 40% front-end development. Must have: Java, microservices, Spring framework, Spring Boot, Spring Integration, MQ, AWS - EKS, Lambda, S3, event bridges, step functio
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Posted 2 days ago

Mainframe Security Engineer

LanceSoft Inc.

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Remote

Contract

This will be Hybrid role 3 days a week minimum Security Engineer: Mainframe Security Tooling Team The Mainframe Computing Security team in ETS is responsible for engineering and managing various mainframe authentication and authorization systems. This position is for a senior engineer in Tooling and Project team responsible to design and execute projects aligned to TopSecret security products and other platform integration solutions. The ideal candidate will be working closely with other infrast
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Posted 31 days ago | Updated 25 days ago

Systems Engineer

Rockwell Automation

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Ohio, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world
Posted 43 days ago | Updated 4 hours ago

Senior Java Developer

Kforce Technology Staffing

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Remote or Atlanta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Senior Java Developer to join their team. Ideally, this candidate has around 4-7+ years of experience. This app is built with a react front end and java/Springboot backend (but is majority a backend application). This is also all hosted in Google Cloud Platform and use Cassandra as a database. The majority of the work is going to be heavier backend (90%) integration work. The Senior Java Developer will also need to be able to write their own
Posted 5 days ago | Updated 10 hours ago

Launch Mission Integration Engineer

Aerospace Corporation

•

Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 60+ days ago | Updated 4 hours ago

Senior Frontend Developer

Advent Global Solutions, Inc.

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Remote

Contract

Senior Frontend Developer Location: McLean, VA/ Remote Duration: 6+ months Need Ex Capital One Description: Team Info: Card Tech Works with Angular Typescript HTML, CSS & Content Management System CMS There are lot of existing components and building new components. Gravity (Inhouse CMS tool) enterprise level library and One Lake Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Javascript HTML, & CSS background Front end development Managing existing c
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Posted 1 day ago | Updated 1 day ago

Senior Node.js API Developer

Synechron

•

Sterling, Virginia, USA

Full-time, Third Party

We are At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development in
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Posted 32 days ago | Updated 1 day ago

Information Technology - Developer-Full Stack Senior

Apex Systems

•

McLean, Virginia, USA

Full-time

Job#: 2078596 Job Description: Opportunity Alert: Senior Full Stack Developer (Contract) - McLean, VA (On-Site) Why This Role Rocks Looking to make a real impact on a high-visibility cloud modernization project? Join a forward-thinking team dedicated to transforming legacy systems into agile, modern microservices. Youll lead critical development initiatives and have a direct hand in designing and implementing a scalable architecture with Python, PySpark, and AWS EKS at its core. What You'll
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Posted 46 days ago | Updated 5 hours ago

Information Technology - Developer-Full Stack Senior

Apex Systems

•

McLean, Virginia, USA

Full-time

Job#: 2078594 Job Description: Opportunity Alert: Senior Full Stack Developer (Contract) - McLean, VA (On-Site) Why This Role Rocks Looking to make a real impact on a high-visibility cloud modernization project? Join a forward-thinking team dedicated to transforming legacy systems into agile, modern microservices. Youll lead critical development initiatives and have a direct hand in designing and implementing a scalable architecture with Python, PySpark, and AWS EKS at its core. What You'll
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Posted 46 days ago | Updated 5 hours ago

Multimodal Machine Learning Engineer

Booz Allen Hamilton

•

Washington, District of Columbia, USA

Full-time

Job Number: R0223333 Multimodal Machine Learning Engineer The Opportunity: As an experienced machine learning engineer, you understand good sof tware is more than just a good user experience . To compete in today's technical landscape, mission-oriented machine learning solutions must be architected, designed, and built to handle fast-moving data, to seamlessly scale with infrastructure based on system usage, and to expand based on evolving mission requirements. We're looking for an engineer lik
Posted 4 days ago | Updated 5 hours ago

ETL (DataStage) Developer

Digital Technology Solutions

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Remote

Contract

DTS is looking for ETL (DataStage) Developer for our client Position Job Description: Client is seeking an experienced ETL Developer with 2+ years of experience in healthcare IT to support a public client's Transformed Medicaid Statistical Information System (T-MSIS). This is a 2-year contract with potential for extension. START DATE:ASAP CORE REQUIREMENTS: 2 years as anETL DeveloperExperience withIBM DataStageFamiliarity with AI and associated engineering fundamentalsExperience working with
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Posted 18 days ago | Updated 1 day ago

Field Service Engineer 1 - Louisville, KY

GE Healthcare

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Remote

Full-time

Job Description Summary The Field Engineer I performs on time and accurate Preventative Maintenance in one or more modalities of equipment. The FE1 is aware of and follows all Field Modification Instructions and/or Instrument Service Information bulletins. Works with experienced Field Engineers, both onsite and remotely, to learn troubleshooting, repair and equipment installation techniques. Responsible for driving customer satisfaction through Service Excellence. Job Description Responsibiliti
Posted 29 days ago | Updated 4 hours ago

Protection Engineer - 10 + Years

POWER Engineers, Inc

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Remote or Cottonwood Heights, Utah, USA

Full-time

Senior Protection Engineer - 10 Years POWER Engineers, Inc. is seeking a Senior Protection Engineer to join our SCADA and Analytical Services (SAS) team. The home office for this position will be located in Boise, ID or Salt Lake City, UT but offers the ability to work remotely from a mutually acceptable location. The candidate should expect to report to the home office periodically. Roles and Responsibilities The successful applicant will be responsible for successful completion of assigned
Posted 15 days ago | Updated 4 hours ago

Engineering Apprentice - Software

Lockheed Martin Corporation

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Manassas, Virginia, USA

Full-time

Standard Job Description For use only with approval from corporate compensation or RMS Compensation. An employee in the engineering apprenticeship program will perform a variety of duties in the sustainment of existing products to include: assisting with engineering documentation, technical data maintenance and modification, training material maintenance, and mechanical, electrical maintenance to include grooming, upgrade, and modification of program products and test platforms. This employee w
Posted 60+ days ago | Updated 4 hours ago

Lead Engineer - Nuclear Engineering (Remote Eligible, U.S.)

GE Vernova

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Remote

Full-time

Job Description Summary The Nuclear Fuel Engineer will be part of the team responsible for BWR nuclear fuel reload licensing and cycle management in Global Nuclear Fuel (GNF). In this role you will provide innovative licensing and design solutions that ensure high quality deliverables in accordance with customer requirements, business procedures and regulatory agency guidelines. Additionally, this position has direct utility customer-facing opportunities through deliverables, collaboration, and
Posted 14 days ago | Updated 4 hours ago

Field Service Engineer 1 - Dayton, OH

GE Healthcare

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Remote

Full-time

Job Description Summary The Field Engineer I performs on time and accurate Preventative Maintenance in one or more modalities of equipment. The FE1 is aware of and follows all Field Modification Instructions and/or Instrument Service Information bulletins. Works with experienced Field Engineers, both onsite and remotely, to learn troubleshooting, repair and equipment installation techniques. Responsible for driving customer satisfaction through Service Excellence. GE HealthCare is a leading glo
Posted 16 days ago | Updated 4 hours ago

Senior Java Developer (Microservices)- (Hybrid)

Citi

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Remote or Tampa, Florida, USA

Full-time

We are seeking a highly experienced Senior Java Developer (Microservices) to lead the design, development, and implementation of modern, distributed application systems using Java and microservices architecture. This role requires deep expertise in Java development within a microservices context, leveraging Spring Boot and related technologies. You will play a key role in shaping our microservices strategy, collaborating with multiple teams to ensure seamless integration and drive innovation wit
Posted 13 days ago | Updated 4 hours ago

Principal Electrical Component Engineer (hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. Collins Aerospace, an RTX company, is a leader in technologically advanced and int
Posted 27 days ago | Updated 4 hours ago