Junior Software Engineer Jobs in Washington, DC
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.
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.
Synergistic it
$78000 - $136000
Bethesda, MD
SynergisticIT works especially well for candidates such as: recent grads in CS/Engineering/Math/Stats, jobseekers who were laid off and need an updated stack, career switchers who want a guided plan, candidates with career gaps, people with "learning but not hired” bootcamp history, experienced professionals not landing interviews, and international candidates on F1/OPT needing a clear employment pathway. Since 2010, SynergisticIT has helped thousands of candidates secure full-time roles with leading companies and recognizable brands—think Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Walmart Labs, Client, Banking, Client, Wayfair, and many more—often in the $95k to $154k offer range depending on role, location, and skillset.
Jobot
$80000 - $100000
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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
SynergisticIT
$95000 - $154000
Baltimore, MD
Since 2010, SynergisticIT has helped candidates return to the workforce and land full-time jobs at major employers—companies like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Client, Banking, Walmart Labs, Client, and more—often with offers between $90,000 and $154,000 depending on role and expertise. SynergisticIT commonly supports hiring pipelines for roles such as junior software programmer, Java full stack engineer, Python/Java developer, DevOps/cloud engineer, plus data-track roles like data analyst, BI analyst, data engineer, data scientist, and ML/AI engineer.
NuAxis Innovations
Washington DC, DC
Create, maintain, and enhance Incident Management, Problem Management, Service Request Management, Service Catalog, Knowledge Management, Self-Service Portals, single sign-on (SSO) capability, and. Create and maintain an agile, streamlined, scalable, and optimized USMT – ServiceNow system components, and perform integration and support, and operational services with high availability and service delivery goals.
SynergisticIT
$78000 - $136000
Washington, DC
They're filtered by ATS systems, keyword screening, and recruiters looking for job-ready signals—specific stacks, strong project depth, relevant certifications, and clear experience narratives. Since 2010, SynergisticIT has helped candidates land full-time roles at organizations such as Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Walmart Labs, Client, Banking, Client, Client, and hundreds more.
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
$100000 - $200000
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. This is a permanent role that will require you to use your knowledge and experience in air distribution, ventilation, automation, controls, design, development, construction, QA, QC, LEED, BD+C, ASHRAE, and other related areas.
Jobot
$95000 - $135000
Fairfax, 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 Water Resources Engineer, you will be part of our dynamic team, playing a crucial role in the design and implementation of water resource projects in the construction industry.
Johns Hopkins Applied Physics Laboratory (APL)
$100000 - $245000
Laurel, MD
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. You will work with a small team of engineers and scientists on multiple concurrent projects to collect, analyze, document and monitor requirements that fuel the engineering development cycle.
Guidehouse
Arlington, VA
This individual will have a strong data engineering background and be a hands-on technical contributor, responsible for designing, implementing, and maintaining scalable data pipelines and interactive dashboards than enable federal clients to achieve mission outcomes, operational efficiency, and digital transformation. The Data Engineer will collaborate with cross-functional teams and client stakeholders to modernize legacy environments, implement scalable data pipelines, and support advanced analytics initiatives for our federal client.
Guidehouse
$113000 - $188000
Rockville, MD
Responsibilities include designing and implementing APIs, data processing pipelines, and computational services, developing reusable React components, integrating with APIs, ensuring performance and usability at scale, contributing to system architecture, writing well-tested, maintainable code, and mentoring other developers. The Senior Software Developer will collaborate closely with PhD-level scientists and subject matter experts to translate complex scientific workflows into reliable, scalable services and to design user interfaces that make complex scientific data and workflows accessible and actionable.
Guidehouse
$149000 - $248000
Washington, DC
Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Capgemini Government Solutions
McLean, VA
The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.
Aroha Technologies
Washington, DC
This involves building a data platform that supports data flows/pipelines, Extract, Transform and Load (ETL) / Extract, Load and Transform (ELT) and orchestration, data lake/data warehousing, geospatial analysis and services, big data query and analysis. Design and architect robust Azure Government cloud infrastructures, including virtual networks, subnets, firewall rules, and VM configurations, to meet project requirements for scalability, high availability, and security.
nTech Solutions, Inc.
Baltimore, MD
This individual will serve as a highly experienced professional responsible for leading and managing complex engineering projects while providing deep technical expertise in virtualization and storage environments. • This is a onsite schedule at Kennett Square, PA (preferred), but can be local to an Exelon territory in Baltimore, MD, Chicago/Oakbrook Terrace, IL, Joliet, IL, Philadelphia, PA (MOB), or Washington D.C.(any Exelon location) .
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.
Guidehouse
$98000 - $163000
Bethesda, MD
The ideal candidate has deep hands-on experience across Python/Django, Java (Spring Boot), Node.js (Express/NestJS), modern JavaScript frameworks, Angular, AWS, MongoDB, and Selenium-based test automation, combined with mature DevOps practices. Ability to Obtain Public TrustWe are seeking a highly skilled Full Stack & DevOps Engineer to support the National Library of Medicine (NLM) Office of Computer and Communications Systems (OCCS) projects.
NuAxis Innovations
Washington DC, DC
2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.
GliaCell Technologies
Annapolis Junction, MD
We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. 0+ years of Software Engineering experience and a Bachelor of Science Degree in Computer Science (or related subject) OR 4 years of Software Engineering experience and no degree.
Belay Technologies
Columbia, MD
Several factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services.
Yellow Duck Technologies Inc.
Annapolis Junction, MD
Yellow Duck Technologies is actively seeking Junior Software Developers who hold TS/SCI Full Scope Polygraph clearance. If you possess an active TS/SCI clearance with Full Scope Polygraph, please submit your resume for a friendly follow-up and quick job-matching response!
Saxon Infotech
Columbia, MD
3+ years of hands-on experience leading implementation of custom solutions on the Salesforce platform in Lightning and have expert level working knowledge on major Salesforce.com technologies, data modeling, integration, and data migration. Develop Lightning components both by writing custom LWC in JavaScript with Aura framework and within the Salesforce Lightning Design System, maintaining fluency with Apex, Salesforce query, and Salesforce Search language (SOQL and SOSL).
Sonalysts, Inc.
Manassas, Virginia
Become an integral part of an innovative employee-owned company which includes: Flexible Time Program enabling an optimal work-life balance by permitting partners to arrange their work around personal appointments, parent-teacher conferences, children’s activities and the like, so long as the partner gets the job done on-time. Candidates are eligible for a clearance if they have demonstrated sound financial management (including good credit) over time, are free of criminal records, have limited foreign contacts or ties, and other factors indicative of a position of trust to protect information sensitive to the U.S. Government.
SynergisticIT
$95000 - $145000
Baltimore, MD
Since 2010, we've helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Paypal, Banking, Wayfair, Client, Client and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.
Cinteot
$70000 - $85000
Herndon, VA
Provide overall operating system maintenance, such as sophisticated file maintenance routines, large telecommunications networks, computer accounting, and advanced mathematical/scientific software packages. The selected candidate will formulate/define specifications for complex operating software programming applications or modify/maintain complex existing applications using engineering releases and utilities from the manufacturer.
Cardinal Technology Systems, Corp.
Ashburn, VA
Cardinal Technology Systems, Corp (“CTech-Sys”), www.ctech-sys.com, is an SBA Certified 8(a) and HUBZone company located in the National Capital Region (NCR) and serves both government and commercial clients such clients as US CBP, US CIS, DLA, DFuse Technologies, and American Environmental Engineering Consultants. is a government IT solutions provider servicing commercial and government initiative in various parts of the United States.
Cesna Recruitment
$60000 - $80000
Vienna, VA
This role is also responsible for deploying and configuring updated software, as well as conducting both on-site and remote testing and troubleshooting by analyzing the system logs and data to diagnose and resolve the issues efficiently. A junior software engineer is responsible for designing, developing, and testing the software for the Automatic Fare Collection (AFC) devices.
Axle
$80000 - $120000
Rockville, MD
Axle is a bioscience and information technology company that offers advancements in translational research, biomedical informatics, and data science applications to research centers and healthcare organizations nationally and abroad. With experts in biomedical science, software engineering, and program management, we focus on developing and applying research tools and techniques to empower decision-making and accelerate research discoveries.
Peterson Technologies
Annapolis Junction, MD
Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Software Engineer 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 requirements.
Cesna Recruitment
$60000 - $80000
Vienna, VA
This role is also responsible for deploying and configuring updated software, as well as conducting both on-site and remote testing and troubleshooting by analyzing the system logs and data to diagnose and resolve the issues efficiently. A junior software engineer is responsible for designing, developing, and testing the software for the Automatic Fare Collection (AFC) devices.
Peraton
$80000 - $128000
Annapolis Junction, Maryland
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligibility to participate in an attractive bonus plan. These systems may include data-intensive analytics platforms, real-time systems, business management information systems, and applications that process large-scale datasets or implement cutting-edge algorithms.
SMX
$105000 - $110000
Chantilly, VA
The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. Determine computer user needs; analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepare operating instructions.
GliaCell Technologies
Annapolis Junction, MD
We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
Red Arch Solutions
Fort Meade, MD
Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required Four (04) years of SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.
Peraton
$104000 - $166000
Annapolis Junction, Maryland
Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. Bachelors degree and at least two (2) years of experience in software development/engineering, including requirements analysis, software development, installation, integration, evaluation, enhancement, maintenance, testing, and problem diagnosis/resolution.
HII Mission Technologies Division
$90166 - $120000
Columbia, MD
You will work closely with other talented engineers to create secure, enterprise-grade AI software solutions, including Model Context Protocol (MCP) servers, reusable AI skills, strict safety guardrails, and other AI framework capabilities that meet the complex needs of our clients. Build Model Context Protocol (MCP) servers and a library of reusable "skills" (function calling/tools) that enable AI models to safely interact with our internal databases, microservices, and external APIs.
Set of X
Annapolis Junction, MD
In this role, you will work alongside experienced engineers and mission operators to design, develop, test, and maintain software solutions that directly support real-world cyber missions. We are seeking a motivated Junior Software Engineer to join our team supporting a mission-critical cyber program that delivers advanced capabilities to protect and enable national security operations.
Peraton
$80000 - $128000
Herndon, Virginia
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. Programming: Coursework or hands-on experience in two or more of the following: Java (Spring/Spring Boot), Python (FastAPI or Flask; package management with Poetry is a plus), JavaScript/TypeScript (React ecosystem or Angular).
Intelliforce-IT Solutions Group
Annapolis Junction, MD
These capabilities support content and traffic triage, language analysis, workflow collaboration, transcription and sourcing services, and the tracking of workflow history across analysts, teams, and organizations. Additional Experience: 1 year of demonstrated cloud experience with distributed, scalable big data stores such as HBase, CloudBase or Accumulo, BigTable, or similar technologies.
Everwatch
$55.29 - $79.33
Annapolis Junction, Maryland
Compensation at EverWatch is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. As a software engineer at EverWatch, you’ll use the latest architectural approaches and open-source frameworks and tools to deliver complete end-to-end solutions to your clients.
Themis Insight
Fort Meade, MD
The Software Engineer 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 requirements. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
EC Technology, LLC
Herndon, DC
Brief Description: Evans & Chambers Technology is seeking a Full Stack Web Developer to build a set of Insider Threat risk avoidance solutions for our intelligence community customer. 3 years demonstrated experience developing software with Hibernate ORM on relational databases such as MySQL and Oracle, and ability to write SQL queries.
Belay Technologies
Annapolis Junction, MD
She/he will be responsible for designing, developing, and maintaining automated test suites and frameworks to ensure the quality and reliability of software applications; troubleshooting and debugging automated tests to identify root causes of failures and ensure test reliability; working closely and collaborating with development teams to identify testable requirements; implementing automated testing solutions and ensuring that the software is testable; writing and executing automated test scripts using various testing tools and frameworks; maintaining clear and concise documentation; tracking issues; managing VMs; and using CI/CD tools and basic system admin experience. Several factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications.
Bestgate Engineering
Columbia, MD
The team builds and deploys applications including containerized React user interfaces, Java and Go microservices, custom REST security services, and data stores such as MongoDB and OpenSearch. Bestgate Engineering isn’t just any tech company—we’re on the front lines, delivering cutting-edge solutions that support mission-critical work for government customers and the military.
GliaCell Technologies
Annapolis Junction, MD or Hanover, MD
We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Execute load and performance testing, chaos testing, functional testing and end-to-end testin.
Exiger
McLean, VA
Exiger is named a Leader in the Gartner® Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company's 'Brands That Matter,' and recipient of the Third Party Risk Association's Innovator Award, Exiger's technology has been recognized by leading analyst evaluations and 50+ awards. Our AI platform, 1Exiger, delivers instant visibility into complex supplier ecosystems, leveraging proprietary data and advanced AI to surface risk, automate compliance, and unlock efficiencies and cost savings to strengthen long-term resilience.
Peraton
$80000 - $128000
Springfield, Virginia
Responsibilities: The Junior Test Systems Engineer supports application, system, and integration testing efforts across the National System of Geospatial-Intelligence (NSG), Allied System of Geospatial-Intelligence (ASG), and federal agency partners. This role contributes to ensuring the delivery of reliable, high-quality GEOINT systems through structured testing, defect analysis, and collaboration within modern DevOps environments.