Full Stack Developer Jobs in McLean, VA
Full Stack Developer jobs in McLean, Virginia are in strong demand, concentrated in the Tysons Corner corridor, the McLean central business district, and along the Route 123 tech and government contracting belt, across defense IT, cybersecurity, financial services, and cloud infrastructure. Employers hiring right now include Aktra, Steampunk, and Guidehouse. Scan the live roles below and apply to whichever ones fit.
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Showing 5 of 141+ Full Stack Developer jobs
Job Summary
We are seeking a Senior Full Stack Developer – Python with strong experience in Python, PySpark, AWS, and Data Engineering to develop and modernize data-centric applications supporting enterprise and regulatory reporting initiatives. The ideal candidate will have hands-on experience building scalable data solutions, developing batch and real-time pipelines, supporting legacy applications, and modernizing applications within cloud environments. This role requires strong technical problem-solving skills, production support experience, and the ability to collaborate with cross-functional Agile teams.
Key Responsibilities
- Design and develop scalable data solutions using Python, PySpark, Spark, and AWS.
- Build, enhance, and support batch and real-time data pipelines.
- Develop and maintain cloud-based data processing solutions using AWS S3, Glue, EMR, Data Lake, and Delta Lake.
- Modernize legacy applications while maintaining and supporting existing systems.
- Troubleshoot production issues, defects, performance problems, and application enhancements.
- Analyze existing processes and identify opportunities for automation, optimization, and innovation.
- Collaborate closely with Product Owners, Scrum Masters, business stakeholders, and technical teams.
- Evaluate emerging technologies and develop Proofs of Concept (POCs) to support modernization initiatives.
- Participate in Agile ceremonies, technical discussions, code reviews, and SDLC activities.
- Lead and mentor junior developers while providing technical guidance and best practices.
- Work within CI/CD and Agile development environments.
- Support application deployments, production releases, and ongoing system enhancements.
Required Qualifications
- 5+ years of professional software development experience.
- 5+ years of hands-on Python development experience.
- 5+ years of hands-on PySpark / Spark experience.
- 5+ years of Data Engineering experience.
- Strong hands-on experience with AWS, including:
- Amazon S3
- AWS Glue
- Amazon EMR
- AWS Data Lake
- Delta Lake
- Experience working with legacy applications and modernization initiatives.
- 3+ years of SQL experience, including complex queries.
- 3+ years of Unix/Linux experience.
- Strong understanding of SDLC, Agile methodologies, and software development practices.
- Experience providing technical leadership and mentoring junior developers.
- Strong troubleshooting, analytical, and problem-solving skills.
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
Preferred Qualifications
- Experience within financial services or mortgage-related environments.
- Experience supporting regulatory reporting applications or data solutions.
- Experience with the Hadoop/Spark ecosystem.
- Experience developing real-time data processing solutions.
- Experience with CI/CD, cloud modernization, and DevOps practices.
- Strong production support and incident troubleshooting experience.
- Experience developing automation solutions and technical POCs.
- Experience working with large-scale enterprise data platforms.
Technical Skills
Primary: Python, PySpark, Apache Spark, Data Engineering, SQL
AWS: S3, Glue, EMR, Data Lake
Data Technologies: Delta Lake, Hadoop, Spark ecosystem, Batch Processing, Real-Time Data Processing
Systems: Unix, Linux, Legacy Application Modernization
Development Practices: SDLC, Agile, CI/CD, Production Support, Automation, POCs
Work Environment
- 100% onsite in McLean, VA
- Candidates must be local to the DMV region.
- Immediate availability preferred.
Why Join Accelyst?
At Accelyst, you will work on modern data and cloud engineering initiatives involving AI, automation, cloud technologies, and enterprise-scale solutions. Our collaborative and agile environment provides opportunities to work with modern technologies while solving complex business and technical challenges.
Job Summary
We are seeking a Senior Full Stack Developer – Python with strong experience in Python, PySpark, AWS, and Data Engineering to develop and modernize data-centric applications supporting enterprise and regulatory reporting initiatives. The ideal candidate will have hands-on experience building scalable data solutions, developing batch and real-time pipelines, supporting legacy applications, and modernizing applications within cloud environments. This role requires strong technical problem-solving skills, production support experience, and the ability to collaborate with cross-functional Agile teams.
Key Responsibilities
- Design and develop scalable data solutions using Python, PySpark, Spark, and AWS.
- Build, enhance, and support batch and real-time data pipelines.
- Develop and maintain cloud-based data processing solutions using AWS S3, Glue, EMR, Data Lake, and Delta Lake.
- Modernize legacy applications while maintaining and supporting existing systems.
- Troubleshoot production issues, defects, performance problems, and application enhancements.
- Analyze existing processes and identify opportunities for automation, optimization, and innovation.
- Collaborate closely with Product Owners, Scrum Masters, business stakeholders, and technical teams.
- Evaluate emerging technologies and develop Proofs of Concept (POCs) to support modernization initiatives.
- Participate in Agile ceremonies, technical discussions, code reviews, and SDLC activities.
- Lead and mentor junior developers while providing technical guidance and best practices.
- Work within CI/CD and Agile development environments.
- Support application deployments, production releases, and ongoing system enhancements.
Required Qualifications
- 5+ years of professional software development experience.
- 5+ years of hands-on Python development experience.
- 5+ years of hands-on PySpark / Spark experience.
- 5+ years of Data Engineering experience.
- Strong hands-on experience with AWS, including:
- Amazon S3
- AWS Glue
- Amazon EMR
- AWS Data Lake
- Delta Lake
- Experience working with legacy applications and modernization initiatives.
- 3+ years of SQL experience, including complex queries.
- 3+ years of Unix/Linux experience.
- Strong understanding of SDLC, Agile methodologies, and software development practices.
- Experience providing technical leadership and mentoring junior developers.
- Strong troubleshooting, analytical, and problem-solving skills.
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
Preferred Qualifications
- Experience within financial services or mortgage-related environments.
- Experience supporting regulatory reporting applications or data solutions.
- Experience with the Hadoop/Spark ecosystem.
- Experience developing real-time data processing solutions.
- Experience with CI/CD, cloud modernization, and DevOps practices.
- Strong production support and incident troubleshooting experience.
- Experience developing automation solutions and technical POCs.
- Experience working with large-scale enterprise data platforms.
Technical Skills
Primary: Python, PySpark, Apache Spark, Data Engineering, SQL
AWS: S3, Glue, EMR, Data Lake
Data Technologies: Delta Lake, Hadoop, Spark ecosystem, Batch Processing, Real-Time Data Processing
Systems: Unix, Linux, Legacy Application Modernization
Development Practices: SDLC, Agile, CI/CD, Production Support, Automation, POCs
Work Environment
- 100% onsite in McLean, VA
- Candidates must be local to the DMV region.
- Immediate availability preferred.
Why Join Accelyst?
At Accelyst, you will work on modern data and cloud engineering initiatives involving AI, automation, cloud technologies, and enterprise-scale solutions. Our collaborative and agile environment provides opportunities to work with modern technologies while solving complex business and technical challenges.
See All 141+ Full Stack Developer Jobs in McLean
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Find Full Stack Developer JobsFull Stack Developer Job Market in McLean
Who's Hiring
- Aktra12
- Steampunk12
- Guidehouse12
- Booz Allen Hamilton12
- DMI6
Top Industries Hiring
- Technology & Software
Full Stack Developer Jobs in McLean: Frequently Asked Questions
How do I get a full stack developer job in McLean?
McLean's hiring is driven by defense contractors, intelligence community vendors, financial services firms, and cloud-focused technology companies clustered around Tysons Corner and the Route 123 corridor. Candidates who can demonstrate experience with React, Node.js, or AWS alongside a clearance or clearance eligibility stand out most here. Targeting mid-size government IT contractors and fintech firms in the immediate area is the most direct path.
Which companies hire full stack developers in McLean?
Employers hiring full stack developers in McLean right now include Aktra, Steampunk, and Guidehouse, based on current listings on Migrate Mate as of September 2026. McLean's employer base leans heavily toward defense contractors, intelligence-adjacent technology firms, and financial services companies, many of which maintain headquarters or major offices in the Tysons Corner and McLean central business district area.
Are there remote full stack developer jobs in McLean?
Yes, remote and hybrid arrangements are common for full stack developers since the work is largely code-based and does not require physical presence. About 39% of full stack developer openings tied to McLean are remote or hybrid as of September 2026, though positions requiring security clearances tied to defense or intelligence clients are more likely to mandate on-site work.
How can I get a full stack developer job in McLean with little or no experience?
The most realistic entry path in McLean is targeting junior developer or associate software engineer roles at mid-size government IT contractors and commercial technology firms in the Tysons Corner area, which hire more entry-level talent than large prime contractors. Building a portfolio with React and cloud projects, and pursuing an entry-level clearance, makes candidates significantly more competitive for McLean's defense-adjacent tech market.
Which industries hire the most full stack developers in McLean?
Most full stack developer openings in McLean sit in Technology & Software, per current listings on Migrate Mate as of September 2026. McLean's proximity to federal agencies, the intelligence community, and major financial institutions along the Potomac corridor makes those sectors the dominant sources of local full stack developer demand.
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