Job Description:

On behalf of our client, Affinity is seeking a permanent Senior Software Engineer for a hybrid role in Waterloo. This position involves designing, developing, securing, and supporting software applications across the full project lifecycle, including coding, configuration, documentation, and troubleshooting. The role also provides day-to-day operational and production support, including off-hours issue resolution.

Responsibilities:

• Evaluates priorities, design goals, risks, options, and compromises and recommends most suitable approach.
• Familiar with architectural patterns that contribute to the production of secure, reliable, manageable, and high-performance solutions.
• Perform architectural modelling to assist in determining solution efficacy.
• Performs estimating, prioritizing, planning, and coordinating of work to reliably and consistently deliver according to plan.
• Direct research on emerging application development software products, languages, and standards in support of procurement and development efforts.
• Performs detailed technical design of proposed solutions.
• Evaluates relevant risks and determines mitigation strategies.
• Identify requirements and manage the procurement process and vendor selection for new technologies.
• Develop and review software programs, code, and unit tests for new and existing applications and systems, ensuring functional and non-functional requirements are met.
• Develop, and maintain supporting documentation as required.
• Gather statistics and prepare and write reports on the status of the programming process for discussion with management and/or team members.
• Recommend, schedule, and perform software improvements and upgrades for optimal performance of company workstations.
• Perform troubleshooting and root cause analysis in support of incident and problem management. Recommended options to address identified issues.
• Participates in development, implementation, and maintenance of plans to ensure continuation of critical operations in the event of a disaster or interruption.
• Provides ongoing system maintenance and monitoring to ensure adherence to SLAs.

Qualifications:

• 6–9 years of relevant software engineering experience delivering scalable, secure applications
• Strong experience developing web-based applications, RESTful APIs, and distributed microservices architectures
• Proven expertise with CI/CD pipelines, DevOps practices, and container-based deployments (Docker, cloud-ready containers)
• Solid background in Agile methodologies, with 6+ years working in collaborative, fast-paced Agile teams
• Experience with secure coding and architecture, including AAA principles and authentication technologies such as OAuth (mandatory), OpenID Connect, and SAML
• Hands-on experience with Node.js (5–6 years), Vue.js (3–4 years; Vue 2 & 3), and MongoDB (2–3 years)
• Proficiency in frontend technologies including TypeScript, JavaScript, HTML, CSS, and accessibility standards
• Strong backend experience with Node.js/Express, REST APIs, YAML (3–4 years), and message brokers (RabbitMQ)
• Working knowledge of .NET/C# MVC (3+ years), including legacy production support for .NET and SQL-based applications
• Experience with automated testing practices, including unit, functional, and shift-left testing using frameworks such as xUnit, Selenium, jMeter, and Postman
• Familiarity with cloud-native development patterns and infrastructure management across public or private cloud environments
• Strong architectural skills with an emphasis on system modelling, design, and documentation
• Post-secondary degree or diploma in Computer Science, Engineering, or a related field

Affinity Earn:

Know someone who’s great for this, or any of our open roles? Earn up to $4,000/year for each successful referral through Affinity Earn. You can also earn up to $50,000 for helping us find new clients. Learn about our referral program at https://affinity-group.ca/earn/ or browse our jobs & follow us at https://www.linkedin.com/company/affinity-staffing/jobs/

About Affinity:

Affinity Group is a technology and business consulting and services company. We believe in creating long term relationships between clients and consultants that foster a mutually beneficial partnership. Affinity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided on the basis of qualifications, merit and business need.

For more information on Affinity, please visit www.affinity-group.ca

Job Number: 13051