Senior Full-Stack Engineer for Edge Platforms

Sealing Technologies, a Parsons Company; Maryland; On-site; USD 120,000 - 185,000; Full time

Job summary

Sealing Technologies, a Parsons company, seeks a Senior Software Engineer to own and evolve web products across frontend, backend, and deployment workflows. You will ship features from a live codebase, ensure reliability, and resolve production issues while collaborating with senior engineering leadership.

The role emphasizes full-stack development with Python, React, FastAPI, and SQLAlchemy, plus strong emphasis on database migrations and scalable architectures.

Qualifications

• 8+ years of software engineering experience.
• Strong React, Vue, and TypeScript experience.
• Experience with frontend state management and component testing frameworks.
• PostgreSQL experience including migration workflows.

Responsibilities

• Design and architect solutions for the Zepharis product suite and its existing integrations.
• Troubleshoot and resolve issues across local, CI, and production environments.
• Co-lead day-to-day development of the Zepharis product suite; UI, API, and database layers; alongside senior engineering leadership.
• Build new features as a full-stack engineer using Python, React, FastAPI, Pydantic, SQLAlchemy, and Postgres.
• Architect database schema changes and plan migrations.
• Document technical decisions to improve handoff and operational clarity.
• Mentor junior/mid-level engineers and lead code reviews or design discussions.

Skills

React

Vue

TypeScript

State management

WebSocket/SSE

GitHub Actions

Jira/Agile

AI/LLM integration (RAG/LLM Context)

AI coding assistants

Education

Bachelor's degree in Engineering/CS/IT or related field

Tools

PostgreSQL

Docker/Podman

Alembic migrations

SQLAlchemy

React/Vue tooling (Tailwind Bootstrap BaseUI)

CI/CD pipelines (GitHub Actions, Argo CD)

Job description

Sealing Technologies, a Parsons company, seeks a Senior Software Engineer to own and evolve web products across frontend, backend, and deployment workflows. You will ship features from a live codebase, ensure reliability, and resolve production issues while collaborating with senior engineering leadership.

The role emphasizes full-stack development with Python, React, FastAPI, and SQLAlchemy, plus strong emphasis on database migrations and scalable architectures.