Fullstack Developer - TSSCI w/ Poly

Insight Global
McLean, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

McLean, United States of America

Tech stack

JavaScript
Artificial Intelligence
Data Integrity
Relational Databases
PostgreSQL
Memcached
MongoDB
MySQL
NoSQL
Performance Tuning
Query Optimization
Redis
Load Balancing
React
Large Language Models
Indexer
Backend
Containerization
Kubernetes
GraphQL
Front End Software Development
Api Design
REST
Docker
Microservices

Job description

  • Design, develop, and maintain scalable backend services supporting RESTful and GraphQL APIs.

  • Architect and implement microservices-based systems using containerized deployments.

  • Optimize backend performance through caching, queueing, and efficient data-access patterns.

  • Design and manage relational and NoSQL databases, ensuring reliability, performance, and data integrity.

  • Build and maintain CI/CD pipelines to automate testing, deployment, and monitoring.

  • Collaborate closely with frontend developers to ensure seamless integration and optimal user experience.

  • Support production systems through monitoring, troubleshooting, and performance tuning.

Requirements

Strong experience with server-side development and API design (REST and GraphQL).

  • Proven experience building and operating microservices architectures.

  • Hands-on experience with Docker and container orchestration platforms (Kubernetes).

  • Strong experience with relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB).

  • Expertise in schema design, query optimization, indexing, migrations, and high-volume data performance.

  • Experience building and maintaining CI/CD pipelines for automated delivery.

  • Working knowledge of modern frontend technologies (JavaScript, React, or Lit) sufficient for close collaboration with UI teams.

  • Experience optimizing systems using caching, load balancing, and asynchronous processing techniques.

  • Willingness to work onsite full time.

Preferred Qualifications:

  • Experience supporting or integrating LLM-powered applications, including AI-driven or adaptive user interfaces.

  • Familiarity with Redis, Memcached, or similar caching technologies.

  • Experience designing systems for mission-critical, high-concurrency environments.

  • Demonstrated ability to adapt to evolving requirements and incorporate emerging backend technologies and best practices.

Apply for this position