Senior Backend Engineer - Node.js, GraphQL, Spring Boot

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14 days+

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Bachelor’s degree in Computer Science.
5–10 years of front end / back end and database experience.
Proficiency in Node.js and server-side JavaScript.
Backend experience with Java and/or Kotlin, including Spring Boot.
Expert knowledge of GraphQL, including schema design and performance optimization.
Advanced React experience, including state management and performance tuning.
Deep understanding of PostgreSQL, including query optimization and schema design.
Strong grasp of software design patterns and engineering principles.
Strong communication, problem-solving, and debugging skills.
Prisma ORM, JPA, and database migrations – preferred.
DevOps and cloud platforms (AWS/GCP/Azure) – preferred.
CI/CD pipelines and testing frameworks – preferred.

Design and implement scalable backend services using Node.js, GraphQL, and Java/Kotlin (Spring Boot)
Build and maintain responsive, performant frontend applications using React
Optimize PostgreSQL databases for performance and reliability
Lead technical design discussions, architecture reviews, and code reviews
Mentor junior engineers and champion engineering best practices
Partner with product managers to define requirements and delivery timelines
Troubleshoot and debug complex issues across the full stack

Node.js

GraphQL

React

Java

Kotlin

Server-side JavaScript

Software design patterns

Communication

Problem solving

Debugging

Bachelor’s degree in Computer Science

Spring Boot

PostgreSQL

Prisma ORM

JPA

AWS

GCP

Azure

CI/CD

Responsibilities

Design and implement scalable backend services using Node.js, GraphQL, and Java/Kotlin (Spring Boot)
Build and maintain responsive, performant frontend applications using React
Optimize PostgreSQL databases for performance and reliability
Lead technical design discussions, architecture reviews, and code reviews
Mentor junior engineers and champion engineering best practices
Partner with product managers to define requirements and delivery timelines
Troubleshoot and debug complex issues across the full stack

Requirements

Bachelor’s degree in Computer Science
5 – 10 years of front end / back end and database experience required
Proficiency in Node.js and server-side JavaScript
Backend experience with Java and/or Kotlin, including Spring Boot
Expert knowledge of GraphQL, including schema design and performance optimization
Advanced React experience, including state management and performance tuning
Deep understanding of PostgreSQL, including query optimization and schema design
Strong grasp of software design patterns and engineering principles
Strong communication, problem‑solving, and debugging skills
Prisma ORM, JPA, and database migrations – preferred
DevOps and cloud platforms (AWS/GCP/Azure) – preferred
CI/CD pipelines and testing frameworks – preferred