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Node.js API Developer , Banking API Modernizatio (35909)
- Toronto, ON, Canada
Contract
This opening has closed.
The original listing is kept below for reference.
Job details
- Job type
- Contract
- Closing date
- Posting language
- English
- Posted
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Search current openingsOriginal job description
Archived listing. The details below describe a past opening.
We are seeking an experienced Node.js API Developer (AWS) to support a major Canadian financial institution’s Digital Core modernization initiative.
The successful candidate will join an API Modernization Pod focused on developing and enhancing secure, scalable B2C APIs. The project includes implementing updated API security protocols, particularly authentication and authorization for key banking services such as Account Summary and Transfers.
This is a hands-on development role involving Node.js, AWS serverless technologies, API integrations and event-driven architectures.
Key Responsibilities
The successful candidate will join an API Modernization Pod focused on developing and enhancing secure, scalable B2C APIs. The project includes implementing updated API security protocols, particularly authentication and authorization for key banking services such as Account Summary and Transfers.
This is a hands-on development role involving Node.js, AWS serverless technologies, API integrations and event-driven architectures.
Key Responsibilities
- Design, develop and maintain high-performance Node.js applications, APIs and microservices on AWS.
- Implement API security enhancements, including authentication and authorization.
- Build serverless and event-driven solutions using AWS Lambda, API Gateway, SQS, SNS and DynamoDB.
- Design and implement scalable API integrations between services, systems and third-party platforms.
- Develop asynchronous messaging solutions using SQS and SNS.
- Design and optimize DynamoDB schemas, partitioning and indexing strategies.
- Write clean, maintainable and well-tested code, conduct code reviews and troubleshoot technical issues.
- Optimize application performance, Lambda execution and AWS resource utilization.
- Collaborate with DevOps teams on CI/CD pipelines, infrastructure as code and monitoring.
- Create technical documentation and mentor junior developers.
- 5+ years of professional software development experience, including 3+ years of hands-on Node.js development.
- 1+ year of financial services experience, with an understanding of retail banking and working within a large organization.
- Strong production experience with Node.js and Express.js, NestJS or similar frameworks.
- Hands-on AWS experience with:
- Lambda, including serverless function development and optimization.
- API Gateway, including REST/HTTP APIs, authentication, authorization, rate limiting and versioning.
- SQS and SNS, including asynchronous messaging, dead-letter queues and publish-subscribe patterns.
- DynamoDB, including table design, indexing, query optimization and stream processing.
- Strong API design, integration and security experience, including RESTful APIs.
- Deep understanding of asynchronous programming, promises, async/await and event-driven development.
- Experience with NoSQL database design.
- Proficiency with Git, collaborative development workflows, unit testing and integration testing.
- Experience using AI-assisted development tools, including GitHub Copilot and Claude Code, to improve development efficiency and build reusable capabilities.
- Strong analytical, problem-solving and communication skills.
- AWS Certified Developer Associate or AWS Solutions Architect certification.
- TypeScript development experience.
- Docker, ECS or Fargate.
- Infrastructure as code using CloudFormation, AWS SAM or Terraform.
- CloudWatch, X-Ray and application logging.
- RabbitMQ or Kafka.
- GraphQL API development and optimization.
- Agile/Scrum delivery experience.
- Experience with multi-region deployments, distributed systems and disaster recovery.
- Contributions to Node.js or AWS-related open-source projects.
More about this job
Responsibilities
Develop and maintain secure, scalable Node.js APIs and microservices on AWS, including serverless and event-driven solutions using Lambda, API Gateway, SQS, SNS, and DynamoDB. Improve API security and performance, support integrations and CI/CD collaboration, and contribute to code quality, documentation, and mentoring.
Requirements
Requires 5+ years of software development experience, including 3+ years with Node.js, and at least 1 year in financial services. Candidates should have production experience with Node.js frameworks and AWS services, strong API security and design skills, NoSQL and asynchronous programming knowledge, testing and Git proficiency, and experience with AI-assisted development tools.
Skills
- Node.js
- AWS
- API Development
- API Security
- AWS Lambda
- API Gateway
- Amazon SQS
- Amazon SNS
- Amazon DynamoDB
- Express.js
- NestJS
- RESTful APIs
- Event-Driven Architecture
- Asynchronous Programming
- TypeScript
- GitHub Copilot
Visa sponsorship
Not detected in the job text
Categories
- Software
- Technology
- Finance & Accounting
Keywords
- Node.js
- AWS
- Express.js
- NestJS
- AWS Lambda
- API Gateway
- Amazon SQS
- Amazon SNS
- Amazon DynamoDB
- RESTful APIs
- API Authentication
- API Authorization
- Serverless Computing
- Event-Driven Architecture
- Asynchronous Messaging
- NoSQL
- Git
- Unit Testing
- Integration Testing
- GitHub Copilot
- Claude Code
- TypeScript
- Docker
- Amazon ECS
- AWS Fargate
- CloudFormation
- AWS SAM
- Terraform
- Amazon CloudWatch
- AWS X-Ray