Full-Time

Lead Full Stack Developer

Posted on 10/31/2025

Deadline 11/20/27
Karsun Solutions

Karsun Solutions

201-500 employees

Government software modernization and analytics provider

No salary listed

United States

In Person

Category
Software Engineering (1)
Requirements
  • Bachelor's degree in Computer Science or a related field.
  • 10+ years of full-lifecycle application development experience and at least 3 years of experience using the technologies listed below and AWS cloud platform
  • Experience in architecting and designing solutions and decompose them into modules for development
  • 5+ years of experience using Agile, DevSecOps, Test driven development and other lean methodologies
  • Must have implementation experience on using Agile project management tools (JIRA), and CI/CD pipelines for continuous integration, testing and deployment.
  • Experience developing cloud native solutions according to industry best practices
  • Extensive hands-on experience in JavaScript (React.js, Node.js, modern JavaScript libraries - ES6 - 2015 and later versions), API development (GraphQL/RESTful), messaging (Kafka, AWS kinesis or others), serverless application development using AWS Lambda, SQL and NoSQL databases, AWS services (Lambda, S3, Dynamo, Kinesis, RDS, Redshift and several others).
  • Strong experience in database queries and working preferably with MySQL.
  • Good understanding of AI models , Agentic development and RAG concepts.
  • Experience in using AI tools, e.g., Copilot, AWS Bedrock, etc. to generate code for development and automation testing.
  • Experience in establishing source code management best practices (branching, repository structure, peer review process, documentation) to manage a code base as if it were open source
  • Experience in establishing release management processes and standards
  • Deep understanding of industry patterns for application architecture and integration
  • Strong written and verbal communication skills with the ability to present and comprehend technical details clearly.
  • Must be able to demonstrate product demos to users and stakeholders, collect feedback and implement improvements.
  • Ability to mentor junior resources, assist in technical troubleshooting, peer review the team member’s work products and validate.
  • The ability to obtain and maintain a U.S. government issued clearance is required.
Responsibilities
  • Lead an agile team of developers and test automation engineers and grow them into a high-performance team.
  • Hands-on role with extensive involvement in the full development lifecycle, including designing, developing, implementing, testing, maintenance and enhancement of products.
  • Hands on experience in leveraging AI tools and technologies during development lifecycle to enhance productivity and efficiency.
  • Accountable for the quality of the product delivered and team performance.
  • Provide technical direction and mentor teams of resources in all aspects of technical delivery incorporating efficient workflows, frameworks, templates, design and code best practices to produce reusable and maintainable code.
  • Implement the best practices of Agile and DevSecOps to deliver quality products predictably and consistently.
  • Lead the evaluation of functional/business and technical requirements and identify gaps/risks.
  • Review proposed new feature development to validate feasibility and estimate the development work.
  • Serve as the technical and technology expert crafting the detailed application design with a focus on standards, performance, flexibility, scalability and security, as well as supporting the implementation of the solution.
  • Provide validation of proposed technical architectures and solutions.
  • Monitor and analyze product performance in production, while looking for ways to optimize and scale existing solutions.
  • Evaluate product and process metrics (such as velocity, productivity, quality, usability) and implement process improvements
  • Reinforce strategies, standards, and architecture are consistent and well-integrated across different product teams by creating and engaging in communities of practice.
  • Keep abreast of the emerging tools and technologies and make recommendations for relevant platform and technologies
  • Keep skills up to date through ongoing self-directed training
  • Recommend senior management on improvement areas
  • Help application developers to adopt new platforms through documentation, training, and mentoring

Karsun Solutions helps U.S. government agencies modernize technology by delivering software development, cloud migration, and advanced analytics. Its work involves building and integrating software, migrating systems to the cloud, and turning data into actionable insights with a focus on security and compliance. The company differentiates itself with a strong government track record and certifications such as DCAA-approved accounting, CMMI Level 5 DEV, AWS Government Competency, and ISO 9001/20000/27001. Its goal is to provide federal agencies with reliable, scalable, and secure technology solutions that meet government requirements and improve mission outcomes.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Herndon, Virginia

Founded

2009

Simplify Jobs

Simplify's Take

What believers are saying

  • Secured $145M FAA IDIQ contract for software delivery support.
  • Innovation Center advances ReDuX AI for government legacy migrations.
  • ReDuX available on AWS Marketplace simplifies enterprise procurement.

What critics are saying

  • ISG demotes Karsun to Contender, losing to AWS and Heirloom leaders.
  • AWS native service commoditizes ReDuX in 6-12 months.
  • OpenAI GPT-5 obsoletes ReDuX agentic AI by late 2026.

What makes Karsun Solutions unique

  • ReDuX platform uses agentic multimodal AI for blueprinting and code conversion.
  • Human-in-the-loop ensures 100% traceability in mainframe modernization.
  • Earned AWS Mainframe Modernization Competency for proven customer success.

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Benefits

Remote Work Options

Flexible Work Hours

Health Insurance

Paid Vacation

Paid Sick Leave

Paid Holidays

401(k) Retirement Plan

401(k) Company Match

Professional Development Budget

Conference Attendance Budget

Wellness Program

Mental Health Support

Stock Options

Company Equity

Company News

Karsun Solutions
Dec 15th, 2025
Karsun Solutions Wins Oklahoma Top Workplaces 2025 Award

Karsun Solutions wins Oklahoma Top Workplaces 2025 award. Culture Awards, Oklahoman, Top Workplaces Karsun Solutions, a technology company specializing in enterprise modernization, was named a 2025 Oklahoman Top Workplace. This list is based solely on employee feedback gathered through a third-party survey administered by employee engagement technology partner Energage. This is the company's fourth appearance on the list. The Top Workplaces program has a 17-year history of surveying and celebrating people-first organizations nationally, across industries and across regional markets. Its confidential survey uniquely measures the employee experience and its component themes. These include employees feeling Respected & Supported, Enabled to Grow, and Empowered to Execute. In addition to its Oklahoma Top Workplaces award, Karsun Solutions has also been named to the Washington, D.C., technology industry, and USA TODAY national Top Workplace lists. It has also received recognition as part of the Top Workplaces Cultural Excellence award program. That includes accolades for professional development, innovation, leadership and purpose & values. Karsun Solutions team members are encouraged to build their technology expertise and "Find Your Next." In fact, this year its team members were offered over 8000 hours of training on topics ranging from AI to cloud computing. Additionally, the Karsun Innovation Center gives team members further opportunities to collaborate and innovate by providing access to emerging technologies, industry experts, and validated toolkits. The latest job openings are available at KarsunCareers.com. About Karsun Solutions. Transform your career with the company transforming possible for mission driven enterprise organizations. Join the workplace where the only limit on your potential is the limit of your curiosity. Thrive in a community that empowers software development, cloud, data and AI experts. At Karsun, collaborate in a culture that allows you the freedom to explore every possibility and provides support to turn your bold ideas into reality. Expand your career potential with dynamic development resources like Karsun Academy and sponsored technical certification courses. And joining a growing enterprise means as Karsun Llc grow, so do your career opportunities. Take your career to the next level and play your part in powering new possibilities. About energage. Energage is a purpose-driven company that helps organizations turn employee feedback into useful business intelligence and credible employer recognition through Top Workplaces. Built on 18 years of culture research and the results from 27 million employees surveyed across more than 70,000 organizations, Energage delivers the most accurate competitive benchmark available. With access to a unique combination of patented analytic tools and expert guidance, Energage customers lead the competition with an engaged workforce and an opportunity to gain recognition for their people-first approach to culture. For more information or to nominate your organization, visit energage.com or topworkplaces.com.

Karsun Solutions
Jul 16th, 2025
Karsun Solutions is a 2025 Technology Industry Top Workplace

Karsun Solutions is proud to announce it is a 2025 Top Workplaces Industry winner.

Karsun Solutions
Jun 13th, 2025
ReDuX Platform Selected for AI Showcase at Engage FedGov

Karsun Solutions' ReDuX AI-powered modernization platform was selected to join the AI Showcase at the upcoming Engage FedGov event on June 13 in College Park, Maryland.

Karsun Solutions
Apr 30th, 2025
Driving Innovation Behind the Scenes - Success Doesn't Happen Overnight

Career Development, Culture Awards, Innovation Culture, Karsun Careers, Talent

Karsun Solutions
Oct 18th, 2024
Remote Work is a Win for Well-Being

Karsun Llc also announced earlier this month Karsun Llc is Monster Remote Work Top Workplace.

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