Software Engineer Jobs in Washington, DC

Vantor

$113000 - $188000

Herndon, VA

Developing web applications for real-time query and analysis of our petabyte-scale data store, creating distributed analytics purpose-built to support our mission partners, and helping to construct new and maintain existing data pipelines tasked with automatically retrieving and ingesting data. You'll work closely with other software developers as well our infrastructure and cybersecurity teams leveraging open-source tools to create and maintain a diverse range of applications served out to thousands of users.

Johns Hopkins Applied Physics Laboratory (APL)

$85000 - $245000

Laurel, MD

Perform software engineering including requirements development, network architecture design, object-oriented design, agile software development, laboratory system integration and testing, and field testing. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

L3Harris Technologies

Herndon, VA

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.

Credence

$140000 - $190000

McLean, VA

Contribute to and lead end-to-end software development activities including architecture, design reviews, implementation, automated testing, optimization, deployment, and post-production monitoring. Enhance shared frameworks, reusable services, and platform components, contributing to CI/CD pipelines, build tooling, container orchestration, and cloud-native runtime environments.

OneMain Financial

$96000 - $115200

Baltimore, MD

The ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a strong hands-on working knowledge of NiceCX systems. Data modeling experience to design, develop, and maintain GraphQL APIs and Data Solutions using RDBMS like Aurora, Postgres, and in-memory data stores like Amazon Memory DB and Redis, ensuring optimal performance, data integrity, availability and scalability.

System One

$200000

Fort Meade, MD

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Participate in Agile/Scrum ceremonies and collaborate closely with cross functional engineering teams.

Jobot

$150000 - $250000

Crownsville, MD

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a cloud, software, and systems engineering firm specializing in custom application development, DevSecOps, and AI-driven data analytics, primarily serving federal and defense clients.

Jobot

$120000 - $150000

Arlington, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

OneMain Financial

$110000 - $132000

Baltimore, MD

In this role, you will work closely with Product, UX, Engineering Managers, and other senior engineers to shape platform architecture, guide technical direction, and deliver scalable, high-quality software that improves the financial wellness of our customers. See OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.

Lockheed Martin

$150800 - $265880

Curtis Bay, MD

Minimum Fifteen (15) years of experience Software Engineer (SWE) Required: Front End Developer 10+ years using the following - Javascript - Typescript - React - Java, Spring Framework Desired Skills: - Docker - Kubernetes - Rabbit MQ - TomCat Admin Clearance Level: TS/SCI w/Poly SP Other Important Information You Should Know Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Schedule for this Position: 9x80 every other Friday off Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $150,800 - $265,880.

Integrative Staffing Group, LLC

Herndon, VA

RUST Software DeveloperHerndon, VADirect PlacementPaid relocation availableUp to $230,000 annuallyPrimary PurposeThe company's Integrated Mission Systems is seeking an experienced Software Engineer with a strong background in the RUST Programming Language and proven experience developing systems with RUST to guide the next generation of mission-critical systems. Qualifications:Bachelor’s degree in computer engineering, Electrical Engineering, Computer Science or related field and a minimum of 12 years of prior relevant experience.

System One

Merrifield, VA

Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium. Set up, maintain, and perform test automation frameworks on multiple application platforms, such as Mobile, Desktop, and Web, and building test scenarios and acceptance tests.

Jobot

$150000 - $200000

Falls Church, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products.

Lockheed Martin

$86100 - $151800

Highland, MD

Schedule for this Position: 9x80 every other Friday off Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $86,100 - $151,800. In support of our customer, members of the team are responsible for providing full lifecycle support including analysis, design, development, integration, testing, procurement, deployment, security, training and sustainment for collection and antenna systems.

Lockheed Martin

$128200 - $225975

Fort Meade, MD

Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $128,200 - $225,975. The following are the primary functions of the position: • Provides concise explanation of developed models to allow other team members to understand/utilize models or algorithms for processing signals of interest.

System One

$140000 - $180000

Washington, DC

This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.

Amazon Data Services, Inc.

Herndon, VA

As a Structural Engineer in FSE-CSA, you are a leader in your field, working within and leading the work of cross-functional teams that include: technical program management, product management, architectural, civil engineering, mechanical engineering, electrical engineering, supply chain management, operations, safety and security, and legal. You will be the ‘go to’ engineering resource for your region when technical advice is needed, and will use your subject matter expertise in Structural Engineering to: · Work with a team of multi-disciplinary professionals on a wide variety of conceptual design, build, and retrofit projects at existing data center.

Synergistic it

$78000 - $127000

Arlington, VA

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

OneMain Financial

$80000 - $96000

Baltimore, MD

The leader will be responsible to collaborate with business, operations, product, and technology partners to deliver the engineering, systems integration and process improvement needs for all aspects of the Regulatory & Compliance support systems, inclusive of the day-to-day running of the engineering teams. Excellent verbal and written communication skills required for composing and delivering technical presentations or other forms of documentation to various level of technical and non-technical management.

Synergistic it

$82000 - $136000

Washington, DC

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

Cellebrite

Tysons, VA

Thousands of public safety organizations, intelligence agencies and businesses rely on Cellebrites digital forensic and investigative solutionsavailable via cloud, on-premises and hybrid deploymentsto close cases faster and safeguard communities. Cellebrites (Nasdaq: CLBT) mission is to enable its global customers to protect and save lives by enhancing digital investigations and intelligence gathering to accelerate justice in communities around the world.

Genesis10

$50000 - $60000

Washington, DC

Whether you’ve earned a technical degree, gained hands-on programming experience, or worked professionally in industries like finance, healthcare, or insurance – Dev10 is your opportunity to upskill and launch a career in Software Development. Dev10 provides a pathway for motivated learners to gain real-world experience while developing technical skills through immersive training.

Jobot

$95000 - $115000

Manassas, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a proactive Systems/Software Integration Engineer (1-5 years of experience including internships) to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

Jobot

$95000 - $115000

Manassas, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a proactive Junior Systems/Software Integration Engineer to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

Jobot

$125000 - $145000

Washington, DC

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Senior Full Stack Software Developer / Senior Fullstack Software Engineer on our team, we are looking for: Professional experience building a GraphQL API.

Amazon Data Services, Inc.

Herndon, VA

The AWS AMER Cost Control team is seeking a passionate and motivated construction cost engineer to support a portfolio of Data Center Construction projects in North and South America. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Johns Hopkins Applied Physics Laboratory (APL)

$85000 - $195000

Laurel, MD

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Jobot

$140000 - $215000

Tysons, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Senior Full Stack Engineer / Senior Backend Developer on our team, we are looking for: Computer Science degree strongly preferred.

Jobot

$140000 - $215000

Tysons, VA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Senior Full Stack Engineer / Senior Backend Developer on our team, we are looking for: Computer Science degree strongly preferred.

L3Harris Technologies

$106500 - $197500

Springfield, VA

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $106,500 - $197,500.This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures.

Amazon Data Services, Inc.

Herndon, VA

This team of veteran professional Electrical Engineers, Mechanical Engineers, Controls Engineers, Project Managers, and Operators is uniquely positioned to provide detailed engineering and operational review and testing of equipment designs, operational functionality and construction practices. As a Data Center Commissioning Engineer (CxE), you will be part of highly creative, efficient team tasked with tackling fascinating and challenging problems building and supporting the operations of Amazon owned data centers.

System One

Reston, VA

This role serves as the Technical Subject Matter Expert for the IBM Transformation Extender (ITX) product suite, balancing new development with high-priority production support. Serve as the Lead SME for IBM Transformation Extender (ITX) and ITX Advanced (ITXA), focusing on complex map design and development.

L3Harris Technologies

Chantilly, VA

The ideal candidate will have experience with systems modeling in tools like Cameo, microservice architecture and its application in software systems, and the ability to work collaboratively with cross-functional teams to deliver scalable and secure cloud solutions. Graduate Degree and a minimum of 4 years of prior related experience in Computer Science, Information Technology, Systems Engineering, Software Engineering or a related field.

Hillis-Carnes

$115000 - $200000

Annapolis Junction, MD

Duties may include but are not limited to; general geotechnical engineering practice including the preparation of geotechnical reports/calculation, technical support of field staff, review of construction inspection daily field reports, and occasional project site field visits related to the projects you are involved in. Candidate will work with our geotechnical and materials testing/inspections departments and be responsible for a wide variety of projects for public and private sector clients.

Pearl River Technologies

Greenbelt, MD

In the FDF, we support the International Space Station, SpaceX, the Magnetospheric Multiscale (MMS), Tracking and Data Relay Satellite System (TDRSS), Lunar Reconnaissance (LRO), Transiting Exoplanet Survey Satellite (TESS), James Webb Space Telescope (JWST), the upcoming launch of Roman Space Telescope (RST), among many others. Pearl River Technologies is an SBA certified HUBZone small, disadvantaged business (SDB) providing professional, technical and administrative support services to federal, state and local government agencies.

PlanIT Group

Washington, DC

Experience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.

OneMain Financial

$110000 - $132000

Baltimore, MD

In this role, you will lead the team responsible for our shared application platform and its operational excellence—ensuring deployments run smoothly, environments remain stable, and cross-functional engineering teams are empowered to deliver with consistency and confidence. 8–10+ years of experience in software engineering, 3 or more years of progressive responsibility as an engineer on development teams directly responsible for building and delivering software-intensive systems.

Sparks Group

$65 - $70

Washington, DC

Job Summary/Company: Our client is searching for an Intermediate Subject Matter Expert (Test Engineer) to work closely with Technical Leads, Developers, and Business Users to support key business applications. Key responsibilities include identifying, documenting, and tracking defects, performing regression testing, and providing production support to resolve application issues.

L3Harris Technologies

$90500 - $168500

Springfield, VA

Actively participate in daily operations stand-up meetings to provide updates on ongoing activities, highlight key operational priorities, and address any challenges or risks impacting mission success. Possess knowledge of, or experience with, space operations, including managing and monitoring satellite systems, performing telemetry analysis, and conducting mission-critical activities such as orbital adjustments, payload operations, and anomaly resolution.

The Computer Merchant, LTD.

$75 - $80

Gaithersburg, MD

While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. ​Software Engineer with AI-enabled development experience based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ to support the UK National Airspace System Replacement Product Delivery Team (UK NASR PDT).

Vaco LLC

$130000 - $150000

McLean, VA

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

Vaco LLC

$130000 - $145000

McLean, VA

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. This role will focus on building scalable AI applications, integrating large language models into data platforms, and developing intelligent systems that enhance automation and data-driven workflows.

PlanIT Group

Falls Church, VA

The resource will mainly support the US Government Client eCommerce Platform, a key revenue-generating application within the Commerce Tech Applications portfolio, as well as its closely integrated applications (Endeca, Enterprise Search, and Oracle Web Center Content). • Experience in application support including but not limited to querying and analyzing database information, environment deployments to web and application servers, performing load and performance testing, certificate management, and monitoring server health.

PlanIT Group

Washington, DC

Design, code, test, and debug computer programs, independently or as part of a team, using computer languages identified and available in the Infrastructure Tool Kit (ITK). • Maintain contact, as designated, with the team leader, customers, contractors, and equipment vendors to monitor progress and coordinate varied project stages.

General Dynamics Information Technology

$66602 - $80500

Annapolis Junction, MD

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

DCS Corporation

Fort Belvoir, VA

In this role, you will assist in planning, organizing, and conducting exploratory, advanced, and engineering development as well as production engineering studies/programs for new and improved items for combat use under various battlefield and urban terrain conditions. Assists in planning, organizing, and conducting exploratory, advanced, and engineering development as well as production engineering studies/programs for new and improved items for combat use under various battlefield and urban terrain conditions.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

You will work with a team from government, industry, and academia to develop performance specifications, lead technical studies, and develop systems engineering products for emerging maritime programs, to include autonomous undersea vehicles (AUVs). Collaborate with multiple DoD system partners to evaluate current strategies, risks, and opportunities to develop and implement T&E strategies that refine/improve their programs and missions.

Cliff Services Inc

$60 - $65

Reston, VA

Highly experienced Senior SDET (Software Development Engineer in Test) to help deliver test automation across our software development lifecycle. Collaborate with cross-functional teams to define acceptance criteria and ensure testability of features.

System One

$75 - $85

McLean, VA

Experience and proficiency developing and implementing quality assurance and testing programs for workloads that are implemented with AWS services, and software development technologies that include Vue.js, Python, Django, S3, SNS, SQS, Docker, EKS/Kubernetes, AWS Step Functions, EventBridge, AWS Lambda, AWS API Gateway, Elasticsearch, Caching frameworks, like Redis, Memcached, the Amazon Relational Database Service (RDS) for Postgres, the MongoDB NoSQL database service, and other AWS services. Proven ability to test software products and cloud infrastructure configurations and identifying deficiencies; suggest solutions to identified product problems; plan, create and manage the overall Quality Planning strategy; collaborate with the Product Development team to ensure consistent project execution; identify quality assurance process bottleneck and suggest actions for improvement; oversee continuous improvement projects; prepare and present quality assurance and testing reports, presentations, and information; and adhere to deadlines and communicate status and progress.

MANTECH

Annapolis Junction, MD

This role supports mission-critical Federal programs by designing, engineering, and analyzing complex software systems with a strong emphasis on cyber security, vulnerability research, and resilient system development. Occasionally, you may need to move about inside the office to access file cabinets, office machinery, or communicate with co-workers, management, and customers, which may involve delivering presentations.