Senior Solutions Architect - AWS Node.js, Hybrid, Toronto

Myticas Consulting; Toronto; Hybrid; CAD 120,000 - 180,000; Full time

Job summary

Myticas Consulting is seeking an experienced Solutions Architect for a long-term consulting engagement supporting a major digital transformation program within the financial services sector. This is a hybrid role requiring some on-site work in Toronto.

You will own end-to-end solution design across applications, APIs, data flows, cloud infrastructure, security, observability, deployment, and production readiness, while providing hands-on technical leadership and mentoring for development teams.

Qualifications

• 8+ years of professional software development experience.
• 3+ years of hands-on Node.js experience in production environments.
• Proven experience as Solutions Architect / technical lead.
• End-to-end solution architecture across applications, APIs, data, cloud, security, and production support.
• 3+ years of financial services experience, ideally within retail banking or a large regulated financial institution.
• Advanced knowledge of AWS cloud architecture, particularly:
• • AWS Lambda
• • API Gateway
• • SQS
• • SNS
• • DynamoDB
• • CloudWatch
• • IAM
• Strong Node.js development experience with Express.js, NestJS, or comparable frameworks.
• Strong understanding of REST APIs, API security, integration patterns, and asynchronous/event-driven architecture.
• Deep knowledge of asynchronous JavaScript patterns including promises, async/await, and event-driven programming.
• Strong understanding of NoSQL data modelling and DynamoDB or comparable key-value/document databases.
• Experience conducting code reviews and establishing development and architecture standards.
• Experience with Git, CI/CD pipelines, automated testing, Jest/Mocha, and modern collaborative development practices.
• Experience using or integrating AI-assisted software development tools, such as GitHub Copilot and Claude Code.
• Strong senior stakeholder communication skills with the ability to clearly explain technical options, trade-offs, risks, and business implications.
• Demonstrated ability to lead, mentor, and unblock technical teams in complex enterprise environments.

Responsibilities

• Own end-to-end solution design across applications, APIs, data flows, cloud infrastructure, security, observability, deployment, and production readiness.
• Provide hands-on technical leadership throughout the development and delivery lifecycle.
• Lead and mentor development teams through complex technical implementations.
• Partner directly with lead developers on code design, frameworks, integration patterns, error handling, security, data modelling, and non-functional requirements.
• Design, develop, review, and optimize high-performance Node.js applications and microservices on AWS.
• Architect serverless and event-driven solutions using AWS Lambda, API Gateway, SQS, SNS, DynamoDB, CloudWatch, and IAM.
• Design scalable and reliable API integrations between internal services, enterprise systems, and third-party platforms.
• Develop event-driven architectures leveraging SNS publish/subscribe and SQS asynchronous messaging patterns.
• Design and optimize DynamoDB schemas, partition strategies, indexes, and query patterns.
• Establish development standards and reusable architecture patterns and conduct critical code and design reviews.
• Troubleshoot complex application, integration, deployment, performance, and production issues.
• Partner with DevOps teams on CI/CD, infrastructure as code, environment promotion, monitoring, logging, rollback, and release readiness.
• Drive performance optimization across Lambda workloads and cloud infrastructure.
• Communicate architecture decisions, trade-offs, risks, and delivery impacts to senior business and technology stakeholders.
• Produce technical documentation covering architecture decisions, APIs, integrations, and operational procedures.
• Mentor developers on AWS architecture and Node.js engineering best practices.
• Leverage modern AI-assisted development tools such as GitHub Copilot and Claude Code to improve SDLC productivity and engineering efficiency.

Skills

Node.js development

AWS

REST APIs

CI/CD

NoSQL (DynamoDB)

Git

Stakeholder communication

Leadership

AI-assisted tools

Tools

Express.js

NestJS

Terraform

CloudFormation

AWS ECS/Fargate

Job description

Myticas Consulting is seeking an experienced Solutions Architect for a long-term consulting engagement supporting a major digital transformation program within the financial services sector. This is a hybrid role requiring some on-site work in Toronto.

You will own end-to-end solution design across applications, APIs, data flows, cloud infrastructure, security, observability, deployment, and production readiness, while providing hands-on technical leadership and mentoring for development teams.