Sr Developer - Payments

CG Consulting Group; Toronto; Hybrid; CAD 100,000 - 125,000; Full time

Job summary

A technology consulting firm based in Toronto is seeking a Senior Developer specializing in Payments. The ideal candidate will have extensive experience with Java and Python, along with skills in developing automated solutions on Azure. The position involves translating business requirements, mentoring junior developers, and designing secure, scalable payment systems. This hybrid role requires at least 8 years of experience in full-stack development and familiarity with cloud and microservices technologies.

Benefits

Performance bonus

Benefits package

Qualifications

• Minimum 8 years of experience in system design and full-stack application development.
• At least 5 years of hands-on experience in full-stack application development.
• Experience with messaging platforms such as Solace, MQ, or equivalent technologies.

Responsibilities

• Translate business requirements into effective system designs.
• Design, build, deploy, and maintain responsive Payments-related web applications.
• Lead, guide, and mentor junior developers.

Skills

Java (Spring Boot)

Python

Angular

React

REST APIs

CI/CD

Docker

Kubernetes

Agile methodologies

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

Oracle

MSSQL

PostgreSQL

Ansible

HELM charts

Job description

Overview

Sr Developer - Payments. Client is a Toronto-based IT consulting boutique that strives for excellence in customer service and delivery in financial services and fintech industry. They focus on technology advisory services, application development, cloud computing, integration solutions, and enterprise big data and analytics. Seeking a Senior Developer – Payments with hands-on experience in developing, enhancing, and maintaining Java-based applications or middleware/backend services. In this role, you will translate IT requirements into the design, development, and integration of fully automated solutions on Azure.

Company location: Downtown Toronto, Hybrid work environment - 3 days in office/week. Perm / FTE role: Salary: Market rate + benefits and performance bonus

Responsibilities

• Translate business requirements into effective system designs during client engagements.
• Design, build, deploy, and maintain responsive Payments-related web applications with a focus on quality and security.
• Utilize modern architectural approaches such as microservices, serverless, and containerization.
• Provide accurate estimates for analysis, design, development, and testing phases.
• Lead, guide, and mentor junior developers to foster team growth.
• Ensure strict compliance with business, data, technical requirements, as well as coding standards and policies throughout client projects.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum 8 years of experience in system design and full-stack application development, with a proven track record on complex projects.
• At least 5 years of hands-on experience in full-stack application development, with expertise in:
• Back-end: Strong experience with Java (Spring Boot) and Python for developing scalable, high-performance services.
• Front-end: Proficiency in Angular, React, or similar frameworks, and Python for building dynamic, responsive user interfaces.
• Domain expertise in SWIFT Payments and ISO 20022 messaging standards.
• Proficient in building and consuming REST APIs and working with microservices architectures.
• Strong knowledge of relational databases (Oracle, MSSQL, PostgreSQL) and NoSQL databases.
• Experience with messaging platforms such as Solace, MQ, or equivalent technologies.
• Hands-on experience with DevOps practices, including CI/CD pipelines and infrastructure automation tools (e.g., Ansible, HELM charts).
• Proficiency in containerization and orchestration tools, including Docker, Kubernetes, and OpenShift.
• Excellent debugging and problem-solving skills, with the ability to work independently on complex tasks.
• Familiarity with cloud platforms such as AWS, Azure, or GCP, and distributed systems architecture.
• Experience integrating with MQ messaging systems.
• Strong knowledge of microservices, event-driven programming, REST-oriented API design, and CI/CD principles.
• Experience developing automated unit tests for applications.
• Working knowledge of Agile software development methodologies and tools (e.g., Jira).
• Ability to work independently as well as collaboratively within a team environment.