Kollabio, Inc.

Senior Full-Stack Software Engineer

Kollabio, Inc.

full-time

Posted on:

Location Type: Hybrid

Location: Brambleton • Virginia • United States

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Job Level

Senior

Tech Stack

AWSCloudDockerEC2JavaScriptKubernetesNext.jsNode.jsPostgresReactRedisTerraformTypeScriptVue.js

About the role

  • 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)
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
TypeScriptNestJSNext.jsReactVueRESTful APIsPostgreSQLCI/CD pipelinesDockerAWS
Soft Skills
communicationteam collaborationtechnical decision-makingrisk identificationsprint planningcode quality enforcementproblem-solvingadaptabilityattention to detailleadership
Certifications
security clearance