Hybrid Senior Full-Stack Software Engineer

at Kollabio, Inc.

• Job title: Senior Full-Stack Software Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Cloud, Docker, EC2, JavaScript, Kubernetes, Next.js, Node.js, Postgres, React, Redis, Terraform, TypeScript, Vue.js
• Location requirements: Hybrid, Brambleton, United States

About the role

• Senior Full-Stack Software Engineer developing AI-native platform for transforming organizational knowledge management. Responsible for end-to-end implementation using modern frameworks and architectures.

Responsibilities

• Design and implement modular, scalable backend services using NestJS and TypeScript
• Architect and build responsive front-end applications using Next.js, React, or Vue
• Integrate AI/LLM APIs into platform features, including prompt engineering and orchestration patterns
• Build and maintain CI/CD pipelines, infrastructure-as-code, and cloud-native deployments on AWS
• Translate product requirements into well-structured technical designs and decompose features into clean, independently deployable increments
• Enforce code quality through disciplined pull requests, peer reviews, and meaningful automated tests
• Ensure APIs are clearly documented and aligned with OpenAPI standards
• Contribute to architectural decisions, threat modeling, and DevSecOps practices within defined platform principles
• Participate actively in technical grooming, risk identification, and sprint planning
• Ability to obtain Clearance

Requirements

• 7+ years of full-stack development experience in production environments
• Deep proficiency in TypeScript across the entire stack
• Strong backend architecture experience using NestJS or comparable Node.js frameworks (Express, Fastify)
• Advanced experience with React, Next.js, or Vue for front-end development
• Experience designing, building, and scaling RESTful APIs
• Strong understanding of application state management, front-end performance, and responsive design
• PostgreSQL experience; familiarity with Prisma ORM preferred
• Active, daily use of AI-powered development tools (Cursor, Windsurf, Claude Code, GitHub Copilot, or similar)
• Experience integrating AI/LLM APIs (OpenAI, Anthropic, etc.) into production applications
• Understanding of prompt engineering, token management, and AI-augmented system design patterns
• Experience with AWS services (EC2, ECS/EKS, Lambda, S3, RDS, CloudFront, IAM)
• Hands-on experience with CI/CD pipelines (GitHub Actions, GitLab CI, or similar)
• Working knowledge of containerization (Docker) and orchestration (Kubernetes or ECS)
• Familiarity with infrastructure-as-code (Terraform, CDK, or CloudFormation)
• Experience working in structured Agile environments with clear Definition of Done standards
• Comfort operating in small, high-accountability teams with minimal oversight
• Strong written and verbal communication of technical decisions and tradeoffs
• Redis caching strategies and message queue architectures (preferred)
• Experience building SaaS or enterprise platform products (not just client projects) (preferred)
• Familiarity with federal compliance requirements (FedRAMP, NIST, ATO processes) (preferred)
• Experience with monorepo tooling (Nx, Turborepo) (preferred)
• Contributions to open-source projects or technical blog posts (preferred)
• Active security clearance (Secret or above) (preferred)