The Analysis Solutions Business Area at Leidos is seeking Software Developers at multiple experience levels to support a government customer in Reston, VA. Candidates will join a fast-paced, mission-focused team of government and contractor personnel developing innovative software and data-driven solutions. Successful candidates will bring strong technical skills, creativity, attention to detail, and the ability to solve complex problems in dynamic environments.
This position is onsite in Reston, VA and requires an active TS/SCI with Polygraph for consideration.
Basic Qualifications by level -Mid-Level Software Development EngineerBachelor’s degree in Computer Science, Information Systems, Systems Engineering, or related field with 4+ years of experience (or Master’s with 2+ years)
2+ years supporting Intelligence Community or DoD environments
Experience with software development using Java, Python, JavaScript, or TypeScript
Experience with full-stack development, including modern front-end frameworks (React/Angular) and backend services/APIs
Familiarity with SQL/NoSQL databases, ETL pipelines, and Docker/containerized environments
Exposure to cloud platforms (AWS preferred) and DevOps practices
Experience integrating AI/ML or LLM-based capabilities is a plus
Bachelor’s degree with 8+ years of experience (or Master’s with 6+ years)
3+ years supporting Intelligence Community or DoD missions
Advanced experience in software architecture, system design, and scalable application development
Strong background in data pipelines, ETL workflows, APIs, and cloud-native/containerized systems
Experience developing analytic, simulation, or scenario-based applications
Experience integrating AI/ML, LLMs, or RAG-based solutions into production systems
Ability to lead development efforts and mentor junior engineers
Bachelor’s degree with 12+ years of experience (or Master’s with 10+ years)
3+ years supporting Intelligence Community or DoD missions
Deep expertise in full-stack development, system architecture, and cloud-based platforms
Experience designing complex analytic systems, simulation platforms, and large-scale data pipelines
Strong background in AI/ML, LLM integration, and advanced analytics
Proven ability to lead technical strategy, prototype innovative solutions, and guide engineering teams
Excellent communication and stakeholder engagement skills
Design, develop, and maintain mission-focused software applications and data platforms
Build and support ETL pipelines, APIs, and data integration workflows
Develop web-based tools for analysis, visualization, and decision support
Integrate AI/ML and advanced analytics capabilities into applications
Collaborate with users and cross-functional teams to deliver scalable solutions
Support testing, debugging, optimization, and deployment activities
Contribute to technical direction, documentation, and engineering best practices
Strong problem-solving and analytical abilities
Experience working in Linux/Unix and Dockerized environments
Familiarity with AWS cloud services and DevOps methodologies
Ability to work independently and collaboratively in fast-paced mission environments
Strong written and verbal communication skills
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:May 6, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Skills Required
- Bachelor's degree in Computer Science, Information Systems, or related field
- 4+ years of experience
- 2+ years supporting Intelligence Community or DoD environments
- Experience with Java, Python, JavaScript, or TypeScript
- Experience with full-stack development including modern front-end frameworks
- Familiarity with SQL/NoSQL databases and Docker/container environments
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
