columbus senior developer java, microservices, react.js Jobs – 121 Openings This Week

API Developer - Node.js
Power Staffing Solutions —Toronto, ON
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Senior Machine Learning Developer I
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- $90,000–$110,000 a year
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- AWS
- Bachelor's
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API Developer - Node.js
Power Staffing Solutions —Toronto, ON
Mentor junior developers and promote development best practices. Experience using AI-powered development tools such as GitHub Copilot or Claude Code.
$45–$55 an hour
Quick apply
5h
Sr. Java Developer on Capital Market
Lexo Consulting Services Inc. —Toronto, ON
You will join a cross-functional team and be supported by senior technical leadership while working on modern Java stacks and learning to interface with an…
From $90,000 a year
Quick apply
4d

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API Developer - Node.js

Power Staffing Solutions
Toronto, ON

Quick apply

Job details

Contract
5 hours ago

Skills

CI/CD
Authentication
Node.js
DevOps
NoSQL
Git
Databases
Microservices
Database design
AWS
Express.js
REST
Software development
GitHub
APIs
Financial services
GraphQL
DynamoDB
AI

Full job description

Node.js API Developer (AWS)

We are seeking experienced Node.js API Developers to join a large-scale API modernization initiative within a complex enterprise environment. This role will focus on designing, developing, and modernizing secure, scalable APIs while leveraging modern AWS cloud technologies and event-driven architectures.

This is an excellent opportunity for developers who enjoy building high-performance backend systems, working with cloud-native technologies, and contributing to enterprise digital transformation projects.

Responsibilities

Design, develop, and maintain Node.js applications and microservices.
Build and support RESTful APIs and system integrations.
Develop serverless and event-driven solutions using AWS services.
Implement API authentication, authorization, security, and versioning strategies.
Design and optimize DynamoDB databases and data models.
Develop asynchronous processing solutions using SQS and SNS.
Troubleshoot and optimize application performance and scalability.
Collaborate with DevOps teams on CI/CD pipelines and cloud infrastructure.
Participate in code reviews and maintain high coding standards.
Create technical documentation and contribute to architectural discussions.
Mentor junior developers and promote development best practices.

Required Qualifications

5+ years of software development experience.
3+ years of hands-on Node.js development experience.
1+ year of experience within Financial Services, Banking, or other regulated environments.
Strong experience with Node.js and frameworks such as Express.js or NestJS.
Hands-on experience with AWS services including:
Lambda
API Gateway
SQS
SNS
DynamoDB
Strong experience building and integrating RESTful APIs.
Experience with event-driven and microservices architectures.
Knowledge of NoSQL databases and database design principles.
Experience with Git and modern software development practices.
Experience with testing frameworks such as Jest or Mocha.

Nice to Have

Experience with GraphQL.
AWS certifications.
Experience with CI/CD pipelines and Infrastructure-as-Code (IaC).
Experience using AI-powered development tools such as GitHub Copilot or Claude Code.
Experience working on cloud modernization or digital transformation initiatives.

Pay: $45.00-$55.00 per hour

Work Location: Hybrid remote in Toronto, ON (Toronto District)

Quick apply

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