software developer Jobs in Washington, DC

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Principal Systems Engineer (hybrid)

RTX Corporation

•

Remote or Maryland, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace At Collins Aerospace, we're working side-by-side with our customers and partne
Posted 14 days ago | Updated 7 hours ago

Level 4 .NET Developer

Vaco by Highspring

•

Remote

Contract

Job Title: Consulting-Level .NET Developer (Level 4) Location:Nashville, TN (37203), onsite 2x/week Contract Length: 12 months, with potential to extend or convert Pay Rate: $67/hr W2 Target Start Date: ASAP Overview: A healthcare technology team based in Nashville is seeking a senior-level Full Stack .NET Developer to join their Resources team. This group is responsible for building new features that help members track and manage spending activity. The role involves high collaboration, direct c
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Posted 17 days ago

iOS Vulnerability Engineer (Software)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS platfo
Posted 60+ days ago | Updated 7 hours ago

PeopleSoft Technical Lead (Future Opportunity)

Metric5

•

Washington, District of Columbia, USA

Full-time

Please note, this opportunity is contingent upon receiving award and is not immediately available. Overview: Metric5 is seeking a highly skilled PeopleSoft Technical Team Lead with 6-10 year's development experience in PeopleSoft HCM 9.2, with additional experience with HRConnect desired. The ideal candidate will have a strong technical background, a deep understanding of PeopleSoft architecture, and the ability to lead technical teams in designing, developing, and supporting complex PeopleSoft
Posted 52 days ago | Updated 4 hours ago

PeopleSoft Technical Lead (Future Opportunity)

Metric5

•

Washington, District of Columbia, USA

Full-time

Please note, this opportunity is contingent upon receiving award and is not immediately available. Overview: Metric5 is seeking a highly skilled PeopleSoft Technical Team Lead with 6-10 year's development experience in PeopleSoft HCM 9.2, with additional experience with HRConnect desired. The ideal candidate will have a strong technical background, a deep understanding of PeopleSoft architecture, and the ability to lead technical teams in designing, developing, and supporting complex PeopleSoft
Posted 52 days ago | Updated 4 hours ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a 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, Fle
Posted 8 days ago | Updated 7 hours ago

Senior Software Engineer - Navigation and State Estimation (R3123)

Shield AI Inc

•

Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 60+ days ago | Updated 7 hours ago

Software Engineer TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a 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, Fle
Posted 56 days ago | Updated 7 hours ago

Senior Full Stack Developer - Local Only - No C2C

SSV Technologies Inc

•

McLean, Virginia, USA

Contract

Job Role : Senior Full Stack Developer Job Location : McLean VA(Onsite) Duration : 6 Months Contract Responsibilities Design, develop, test and support the applications and services within financial modeling and research division.Involve in fixing the defects and addressing the technical debts to ensure best software development practices are met.Write clean, robust, high-quality code following best practices and backed by automated unit and integration tests with full coverage.Coordinate with t
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Posted 1 day ago

Senior DevOps Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0220920 DevOps Software Engineer, Senior 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 46 days ago | Updated 8 hours ago

Level Software Engineer

Cymertek Corporation

•

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 7 hours ago

Software Engineer with GIS Experience

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Software Engineer with GIS Experience LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a motivated and skilled **Software Engineer with GIS Experience** to join our team and contribute to the development of innovative geospatial software solutions. In this role, you will design, implement, and optimize applications that leverage Geographic Information Systems (GIS) technologies to process and analyze spat
Posted 60+ days ago | Updated 7 hours ago

System Engineer Level 4 (Clearance Required)

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materia
Posted 16 days ago | Updated 6 hours ago

Java / C / AWS Software Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Java / C / AWS 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 versatile and innovative Java / C / AWS Software Engineer to join our team and contribute to the development of robust, scalable, and secure software solutions. In this role, you will work on designing, building, and optimizing applications using Java and C while leveraging the power of AWS cloud services. You will collabo
Posted 60+ days ago | Updated 7 hours ago

Software Engineer 2

Realm One

•

Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide Software Engineer support. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation
Posted 60+ days ago | Updated 7 hours ago

Software Engineer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

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 talented and motivated Software Engineer to join our team and contribute to the development of cutting-edge software solutions. In this role, you will be responsible for designing, coding, testing, and deploying applications that meet high standards of performance, security, and scalability. The ideal candidate is a problem-solver wit
Posted 60+ days ago | Updated 7 hours ago

Lead Software Engineer (Mobile)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer (Mobile) 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 love to solve real problems and meet real customer needs. As a Capital One Android Software Engineer , you'll have the opportunity to be on the forefront of driving a major transformatio
Posted 14 days ago | Updated 3 hours ago

IS Manager (Total Rewards Absence Management & Benefits)

Allegis Group

•

Maryland, USA

Full-time

Job Summary: The IS Manager is responsible for planning, leading, organizing, and motivating the teams for the Total Rewards Absence Management and Benefits products, to achieve a high level of performance and quality in delivering exceptional business value to users. The IS Manager is expected to lead and manage the Product team, development, deployment, and support of new and existing capabilities as it relates to the Oracle Fusion / Peoplesoft capabilities and other integrated solutions to me
Posted 11 days ago | Updated moments ago

Software Engineer

Modern Technology Solutions

•

Fort Meade, Maryland, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking Software Engineers to join our team in the Ft Meade, MD or San Antonio, TX area in support of a government organization essential to U.S. national security. You will develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requ
Posted 60+ days ago | Updated 24 days ago

Developer

Akkodis

•

McLean, Virginia, USA

Full-time

Akkodis is seeking a Developer for a Contract job with a client in McLean, VA(Hybrid). Responsibilities include designing and developing automated test suites and executing data-driven test scripts to ensure software quality and reliability. Rate Range: $41/hour to $60/hour; The rate may be negotiable based on experience, education, geographic location, and other factors. Developer job responsibilities include: Design and develop automated test suites using Selenium WebDriver, incorporating da
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Posted 39 days ago | Updated 4 hours ago