Senior Software Developer Jobs in Washington

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W2 Role || Sr Java Developer****In person Interview

V.L.S. Systems, Inc

•

McLean, Virginia, USA

Contract

Role: Sr Java DeveloperLocation: Mclean, VA-OnsiteDuration: 12+ Months Candidate should be willing to work 5 days a week onsite in McLean, VA, must be on VLS W2 Basic Requirements:- Bachelor s degree in computer science or information technology or related discipline orequivalent combination of education and experience from which knowledge and skills may beobtained.- Minimum of 8 years of experience in software development; 8 years of relevant experience andspecialized training or certificatio
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Posted 10 days ago

Sr Python Developer

Accenture LLP

•

Chantilly, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 57 days ago | Updated 5 hours ago

Senior CNO Software Engineer - OS, Hypervisor, UEFI/BIOS Specialist

Draper

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Remote or Reston, Virginia, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 5 hours ago

Senior Software Engineer - 25k Sign on Bonus

Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Sr. Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting,
Posted 60+ days ago | Updated 5 hours ago

Senior Java Full Stack Developer-Hybrid McLean, VA

Skysoft Inc

•

McLean, Virginia, USA

Contract

Job Title: Senior Java Full Stack Developer Location: Onsite (5 days a week) McLean, VA Duration: Long-term contract Position Overview:We are seeking a Senior Full Stack Java Developer with over 10 years of experience, specializing in backend development with Java and Spring Boot, and strong frontend experience using Angular. The ideal candidate should have robust coding abilities, a deep understanding of distributed systems, and experience with Kafka, AWS, and SQL Server. This is a 100% onsit
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Posted 1 day ago

Senior Cyber Capability Developer (Reverse Engineer)

Leidos

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Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area
Posted 32 days ago | Updated 5 hours ago

Senior Java Full Stack Developer Local to McLean, VA

FutureTech Consultants LLC

•

McLean, Virginia, USA

Contract

Role: Senior Java Full Stack Developer Location: McLean, VA (Onsite) Duration: 6 Months with extensions. H1B Must Haves: Senior Java Full Stack Developer with expertise in Java 14+, Spring Boot, Microservices, Angular 11+, Banking or Finance background. Job Description 13+ years of experience in requirement analysis, design, development, integration and testing of software solutions based on Java technologies including Single Page Application frameworks, Web Services, Persistence Frameworks,
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Posted 4 days ago | Updated 4 days ago

AI/ML Engineer

Unisys

•

Reston, Virginia, USA

Full-time, Contract

Description:Job Level: Mid to Senior Level GenAI developer. Location: Reston, VirginiaExperience: * 8+ years overall in Software Engineering disciplines, preferably in the contracts and legal domain. * 2-3 years of experience in AI/ML engineering roles * Strong programming skills in Python, SQL and experience with AWS.Key Responsibilities: * Design, test, and refine prompts for large language models (LLMs) to support financial reporting, summarization, and client communication tools. * Analyze s
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Posted 2 days ago | Updated moments ago

Lead .NET Developer w/Azure Integration

SolutionIT, Inc.

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Washington, District of Columbia, USA

Full-time, Contract, Third Party

Solution IT Inc. is looking for a Lead .NET Developer w/Azure Integration for one of its clients in - Washington, DC Job Title - Lead .NET Developer w/Azure Integration Job Description: Summary: We are seeking an experienced Senior .NET/Azure Integration Developer to join our team and support the design and development of scalable, secure, and high-performing integration solutions. This role involves building RESTful API services and message interfaces using Azure APIM and Azure Service Bus, a
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Posted 4 days ago | Updated 2 hours ago

C / C++ / Java Software Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

C / C++ / Java 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 a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative enviro
Posted 60+ days ago | Updated 5 hours ago

Senior Engineering Manager / Software - Flight Simulation (Onsite)

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-27 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Senior Engineering Manager / Software - Flight Simulation (Onsite) The Simulation & Training Solutions (STS) Software Engineering de
Posted 9 days ago | Updated 5 hours ago

Senior Security Engineer (Splunk Content Developer/ES Searchhead Admin)

Navy Federal Credit Union

•

Vienna, Virginia, USA

Full-time

Overview We are looking for a Splunk Content Developer/ES Search head Admin that can come in and take ownership of day-to-day Operations with minimal spin-up time. The successful candidate will be a member of a high performing team of certified Splunk Enterprise and Splunk ES administrators. You will partner with additional teams within Navy Federal Credit Union to protect the Navy Federal brand, data, and IT assets from cyber-based threats in support of our Cybersecurity Operations Center (CSOC
Posted 2 days ago | Updated 4 hours ago

Senior Full Stack Big Data Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0220917 Full Stack Big Data Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is mo
Posted 32 days ago | Updated 6 hours ago

Senior Manager, Software Engineering (Enterprise Platforms Technology)

Capital One

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McLean, Virginia, USA

Full-time

Senior Manager, Software Engineering (Enterprise Platforms Technology) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging
Posted 57 days ago | Updated 1 hour ago

Senior Full Stack Developer

PANGIAM a BigBear.ai Company

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Ashburn, Virginia, USA

Full-time

BigBear.ai is seeking a Senior Full Stack Developer (JAVA/JEE) to support the ongoing modernization and maintenance of the CBP information systems, using JAVA/JEE. What you will do Design and implement JEE software applicationsUse modern software engineering tools and methodologies including Eclipse, Spring boot, Kubernetes, Docker, and Atlassian Products (Jira, Confluence)Work with users in an Agile development approach to understand requirements, then elicit feedback and refine solution throu
Posted 6 days ago

Senior Software Integration Engineer (Onsite)

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: VA541: 22110 Pacific Blvd, Dulles 22110 Pacific Boulevard Building CC3, Sterling, VA, 20166-6913 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI Raytheon Company, Managed By Collins Aerospace. Collins Aerospace, an RTX company, is a leader in
Posted 21 days ago | Updated 5 hours ago

ServiceNow Senior Developer - Integrations

IBM

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Reston, Virginia, USA

Full-time

Introduction A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software and
Posted 60+ days ago | Updated 5 hours ago

Senior Full Stack Cloud Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0220915 Full Stack Cloud Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more
Posted 32 days ago | Updated 6 hours ago

Senior Full Stack Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0221712 Full Stack Software Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to serve as the lead to modernize a client critical mission system? You'll have the chance to contribute to transitioning mission data flows from legacy systems to a modernized data flow architecture, defining te chn ical and process improvements to achieve improved mission performance and compliance and defining improved dec
Posted 12 days ago | Updated 6 hours ago

: Senior Staff Software Engineer

Vaco by Highspring

•

Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
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Posted 32 days ago