Junior Software Engineer
Markon
Markon is seeking a Junior Software Engineer to support an Intelligence Community client in McLean, Virginia. This position will design, develop, integrate, test, deploy, and maintain mission-focused software applications across Sponsor networks and cloud environments. The Software Engineer will work throughout the full Agile software development lifecycle, supporting application enhancements, software integrations, APIs, reusable libraries, testing, and operational reliability. Responsibilities Develop and modify application source code in response to new requirements and requests for change. Provide application bug fixes, enhancements, and Graphical User Interface (GUI) improvements to meet operational requirements. Develop and deploy software applications across Sponsor environments, including cloud-based environments. Design and develop Representational State Transfer (REST) APIs. Integrate externally developed code into core software libraries. Install and configure application software. Evaluate third-party vendors and software partners. Maintain the design and architecture of software libraries, including module APIs, code organization, and compliance with established coding standards. Emphasize modularity, reusable code, clean interfaces between subsystems, and overall design integrity. Coordinate with configuration management personnel to integrate externally developed software into core software libraries. Develop a wide range of software for deployment on Sponsor networks. Develop and support software libraries involving technologies such as audio/video, image-processing algorithms, operating systems and file systems, and device drivers. Assist the Sponsor in developing standards, methods, and procedures for determining product quality, release readiness, and software acceptance. Conduct testing throughout all levels of the Software Development Life Cycle (SDLC). Perform regression testing and adhere to established testing procedures. Support Agile software development practices throughout the full application lifecycle. Track and manage software issues using tools such as JIRA. Provide metrics on software availability and reliability during monthly status reviews. Qualifications Required: An Active TS/SCI with a FS Polygraph is required to be considered. Bachelor's degree or higher in Computer Science, Information Systems, Engineering, Mathematics, or another related scientific or technical discipline. Minimum of 2 years of software engineering experience within the last 5 years. Demonstrated experience with at least 3 of the following technologies: .NET. Visual Basic. Java. Tomcat. SQL. XML. Python. HTML. LDAP certificates. Apache. Ruby. Collectively, the team must demonstrate experience across all of the technologies listed above. Demonstrated experience supporting full-lifecycle Agile software development projects. Demonstrated experience with software issue-tracking tools such as JIRA. Demonstrated experience designing, developing, and maintaining applications within AWS/Sponsor cloud computing environments. Working knowledge of GIS software, including Google Maps and Google Earth. Demonstrated experience with Continuous Software Development and Software Integration best practices. Experience working with Information Security (INFOSEC) and Information Assurance (IA) policies, including ICD 503, to support system security and data integrity. Demonstrated experience implementing the complete DevOps lifecycle, including: #J-18808-Ljbffr
- ...Description Summary: Designs, develops, troubleshoots and analyzes software programs for computer based systems. Essential Job Functions... ...and experience. Bachelor's degree in computer science, engineering, or related field preferred. Zero or more years of experience...JuniorWork at office
- ...Software Engineer Company Introduction DirectViz is a leading provider of professional services supporting government contracting and security industry operations across the United States. We are committed to delivering exceptional talent solutions and maintaining...JuniorFull timeInternshipLocal area
$75k - $110k
...our passion for advancing technology and strengthening the missions we serve. Position Overview SteerBridge is seeking a Junior Software Engineer to support the Modern Disability Claims program. This is an entry-level opportunity for someone early in their software engineering...JuniorInternship- Junior Software Engineer Washington, District of Columbia|Software EngineerStart your software career with a company whose entire business is launching technology careers. SkillStorm builds technology talent for Fortune 100 companies and U.S. government agencies. We're...JuniorRelocation
$80k - $128k
ResponsibilitiesPeraton is seeking a Software Engineer II in our Herndon, VA location to support a large software development classified program developing, operating, and maintaining mission critical enterprise capabilities. Program includes development and support for...JuniorFull timeContract workInternshipShift work- ...Start your software career with a company whose entire business is launching them. SkillStorm builds technology talent for Fortune... ...degree in a related technical field (Computer Science, Software Engineering, IT, or similar) ~1 year+ of technical work experience...JuniorWork experience placementRelocation
- A dynamic software development firm is seeking an Entry-Level Software Engineer for a remote position. This role offers recent graduates the chance to gain hands-on experience in the development and deployment of web applications, with exposure to Machine Learning. Candidates...JuniorRemote workFlexible hours
$80k - $128k
ResponsibilitiesJoin a cross-functional Scrum team building mission-focused software in an Agile DevSecOps environment in our Herndon, VA location. As a junior engineer, you’ll contribute to full‑stack features, participate in acceptance criteria development, automate...JuniorContract workShift work$80k - $128k
Junior Software Engineer Responsibilities We are looking to add a Junior Software Engineer/Developer to our team of talented professionals. Develop, test, and maintain a complex distributed processing application utilizing Python and Java. Collaborate with Product Owner...JuniorContract workWork at officeShift work- Booz Allen Hamilton seeks a Junior Full Stack Software Engineer to develop technical solutions for the Wargaming and Modeling & Simulations team. You will contribute across UI, backend, data integration, testing, and deployment, building APIs and services with Python while...Junior
$80k - $130k
A federal contractor is seeking a Junior Software Engineer to support the Naval Sea Systems Command. The ideal candidate will have a Bachelor’s degree in engineering or mathematics, with up to three years of software engineering experience. Responsibilities include researching...JuniorFor contractors$75k - $100k
...on its shared values and inclusive culture? Be the difference and make it happen? Role Summary MetaPhase is looking for a Jr-Software Engineer, a sharp, motivated engineer who thrives at the intersection of customer mission needs, modern software engineering, and cloud...Junior$89.9k - $121.7k
...grow your career. Verisign's Resolution Engineering team is a high performing, Agile team... ...resolution products. You will be writing the software that fundamentally enables the internet... ...at scale. We are seeking a motivated Junior Software Engineer to join our team. The...JuniorWork experience placementWork at officeFlexible hours- ...JRAD is seeking candidates for a Jr-Level Software Developer position responsible for... ...stack. Provide support and mentoring to junior developers and database administrators.... ...s degree in: Computer Science, Software Engineering, or a related field. ~0-3 years of hands...JuniorFull timeContract workRemote workFlexible hours
$70.5k - $136.7k
We are seeking a Junior Software Engineer to join our team in Lorton, VA. This fully onsite role will support the development, integration, and deployment of cloud‑based solutions with a focus on Infrastructure‑as‑Code (IaC), Configuration‑as‑Code (CaC), and workflow automation...JuniorInternshipLive inLocal area- Alarm.com is seeking an embedded software engineer to join the Device Engineering team. You will help define the future of IoT by creating devices that connect with our cloud using next-gen stacks. Collaborate with engineers across disciplines to design, build, and validate...Junior
- BLN24 in McLean, Virginia is seeking a Junior DevSecOps Engineer to assist in modernizing a mission-critical forecasting system. The role involves building and maintaining GitLab CI/CD pipelines, managing AWS infrastructure, and working with Docker and Kubernetes for microservices...JuniorRemote job
$70k - $104k
...Health Python Programmer - Junior Job Locations US-Remote ID 2026-14576 # of Openings... ...development of innovative, health-focused software solutions. In this role, you will collaborate... ..., including product managers, senior engineers, and quality assurance teams, to deliver...JuniorContract workLocal areaRemote work$100k - $250k
...Job Description Job Description Task Force Talent is seeking Full Stack Software Engineers (all levels - Junior/Senior/Expert)(many openings) with an active TS/SCI FSP security clearance. We have multiple clients, ranging in size from ~5 to ~2000 people, seeking...JuniorFull timeContract workFor contractorsWork at office$100k - $120k
...turning abstract ideas into realities that transform the world for good. Your impact BlackLynx, a Jacobs company, is looking for a junior software developer with knowledge of geolocation principles and applications. Responsibilities:Knowledge of and experience in...JuniorFull timeWork at office- ...JUNIOR SPLUNK DEVELOPER MILITARY FRIENDLY & PREFERRED - HOH SPONSOR Zermount Inc... ...~ Proficiency in the Microsoft Office software suite. PREFERRED QUALIFICATIONS... ...Bachelor's degree in Computer Science, IT, Engineering, or similar fields. Years of experience...JuniorCasual workWork at officeRemote work
$88.4k - $154.7k
...Parsons Corporation is currently searching for a full-time Software Developer Junior position at our Herndon & Chantilly, VA locations. This... ...adjacent skills abound.What You'll Be Doing:Work closely with engineers, analysts, and other developers to brainstorm and...JuniorFull time$95k - $154k
...exactly what SynergisticIT delivers. 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....JuniorFull time- ...Job Title: Junior DevSecOps Engineer Company: BLN24 About Us: We find strength in teamwork-a better you is a better us BLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully achieving their mission and goals...JuniorRemote work
- ...Job Description Job Description Position Type: Full-Time, Junior / Early Career Education Requirement: Bachelor’s Degree... ...Technologies Inc. is seeking a motivated Junior Full Stack Software Engineer – AI & Cloud Applications to join our technology team....JuniorFull timeInternshipLocal areaWork from homeFlexible hours
$102.5k - $170.9k
Position Summary Our AI & Engineering team helps transform technology platforms, drive innovation, and deliver meaningful impact... ...ventures, and fuel growth through innovation.Work you'll doAs a Software Engineer II on the Engineering as a Service team, you will be...Temporary workLocal areaFlexible hours$122k - $240.5k
Position Summary Software Engineer III with Agentic AI Experience, AI & Engineering/Engineering as a ServiceAgentic AI is moving from experimentation to production, and organizations everywhere are racing to figure out how to build it responsibly and at scale. We...Work at officeLocal areaVisa sponsorshipFlexible hoursShift work$122.5k
Full Stack Software Engineer is needed for a direct hire onsite opportunity with SOC's client in Herndon, VA. Must currently hold an Active TS/SCI clearanceJob Description: Our client is seeking a Full Stack Software Engineer to join our team. You will work on an integrated...- ...service provider, we offer our customers the entire portfolio of IT and web services: From the initial idea to operation - we develop software, design architectures and bring solutions to the cloud, support in creative topics or hosting. With 20 years of experience in the...Work at officeFlexible hours
- ...Junior Full stack Developer Red Cedar is seeking a high-performing Junior Full stack Developer to work within a fast-paced, remote... ...Full stack Developer will accomplish the following: Analyze software requirements and provide solutions Perform analysis, design,...JuniorRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Junior Software Engineer. Be the first to apply!
- software engineer full time McLean, VA
- graduate software developer no experience McLean, VA
- software engineer healthcare McLean, VA
- network software engineer McLean, VA
- software engineer internship McLean, VA
- senior software engineer McLean, VA
- software system engineer McLean, VA
- software developer McLean, VA
- ngo software engineer McLean, VA
- startup software engineer McLean, VA



