Backend Developer

Grant Thornton; Concord (NH); On-site; USD 56,000 - 81,000; Full time

Job summary

Grant Thornton in Concord, NH seeks a Backend Developer specialized in PostgreSQL to tackle real distributed systems. You will decode an undocumented Node.js service, organize GraphQL config across environments, and optimize queries for high-throughput workloads.

This temporary on-site role pays $56,000–$81,000 with flexible scheduling and an opportunity to grow PostgreSQL expertise while contributing to Concord operations.

Qualifications

• 1+ years building trust in a fast-paced, real-world setting.
• Ability to thrive both independently and as part of a tight-knit team.
• Comfort defending recommendations in front of skeptics.
• Experience with PostgreSQL, Node.js, and GraphQL is a plus.

Responsibilities

• Decode the undocumented Node.js service for maintenance and improvement.
• Wrangle GraphQL config across environments so staging matches production.
• Catch GraphQL regression in staging before it reaches users.
• Tune database queries and schemas for high-throughput workloads.
• Drive Python incident postmortems to prevent outages.
• Prototype rough Spring Boot ideas and evaluate them for stack inclusion.

Skills

Rapport-building

Team collaboration

Independent work

Communication

Tools

PostgreSQL

Node.js

GraphQL

Spring Boot

Python

C#

Job description

Ready to work on real distributed systems? Grant Thornton is adding a Backend Developer skilled in PostgreSQL to the technology team. Think of it less as a job and more as a $56,000 - $81,000 bet Grant Thornton is placing on your 1 years and your judgment.

Key Responsibilities

• Decode the undocumented Node.js service nobody at Grant Thornton remembers writing
• Wrangle GraphQL config across environments so Concord staging mirrors production
• Catch the design-led GraphQL regression in staging before it ever reaches Concord customers
• Tune database queries and schemas for high-throughput Grant Thornton workloads
• Drive the Python incident postmortem that stops the Concord outage from recurring
• Prototype rough Spring Boot ideas fast, then decide which earn a place in Grant Thornton's stack

What You'll Bring

• Comfort defending a recommendation in front of skeptics
• A history of leaving technology processes better than you found them
• Ability to thrive both independently and as part of a tight-knit team
• 1+ years building trust the slow, unglamorous way
• Comfort with the temporary cadence of a Concord-based operation
• Strong rapport-building skills and a genuinely positive presence
• Comfort working in a fast-paced, oddball-friendly environment

Grant Thornton blends Spring Boot and C# expertise to deliver bias-to-action outcomes for clients in Concord, NH. We keep the Concord, NH office quiet on Wednesdays so deep Node.js work actually gets a fighting chance.

This temporary role pays $56,000 - $81,000 and includes flexible scheduling plus a structured plan to grow your PostgreSQL expertise.

New applicants this week join a hiring cycle that is already in motion.

Come find out why people stay at Grant Thornton once they get here; the Backend Developer door is open.