Senior Software Test Engineer Jobs in Markham, ON

Role

A Senior Software Developer, Subsurface Information Management is responsible for the end-to-end design, development, and release of high-performance platform services and APIs that enable advanced analytics, data science, business intelligence, and AI workflows for geoscience data, ensuring data accessibility across the Seequent platform and connected application ecosystem. This position requires advanced technical expertise, leadership in software architecture, and cross-functional collaboration to ensure high-quality, secure, and scalable solutions. The position also includes project management responsibilities, with accountability to balance technical execution with planning and stakeholder engagement. The Senior Software Developer addresses complex challenges, delivers quality solutions, and provides technical guidance and mentorship to team members. 
Duties and responsibilities 

Software Design  

• Design and architect complex software applications, components and web services with the ability to deliver best in class solutions that effectively navigate ambiguous requirements or processes.
• Use appropriate modelling techniques in line with agreed software design standards, guidelines, patterns, and methodologies. 
• Independently produce and communicate multiple design views to address stakeholder concerns and meet both functional and non-functional requirements including security.
• Identify, evaluate, and recommend design alternatives and trade-offs. 
• Model, simulate, or prototype proposed software behaviours to secure stakeholder approval and facilitate effective software construction.
• Review, verify, and enhance own designs against desired deliverables while being mindful with the specifications and lead reviews of others' designs.
• Responsible for enhancing the effectiveness of existing processes, products, and programs by applying research insights and integrating emerging technologies. 

Software Development 

• Design, code, verify, test, document, amend, and refactor complex programs/scripts and integration software services.
• Design, develop, publish, and support internal and external web APIs to provide a secure, scalable and consistent interface to geoscience data and services   
• Develop and optimize data models to support transactional and analytical workloads, ensuring scalability, performance, and alignment with business requirements. 
• Advocate for the selection of the software development methods, tools, and techniques.
• Ensure agreed standards and tools are used across the team to achieve well-engineered outcomes.
• Measure and monitor applications of project/team standards for software construction, including software security.
• Participate in reviews of own work and lead reviews of colleagues' work. 

Release Management 

• Plan and schedule releases in line with business requirements and objectives.
• Coordinate release activities across multiple teams and stakeholders. Manage the release lifecycle, ensuring timely and quality deliverables.
• Support the development and maintenance of CI/CD pipelines and observability tools to automate deployments and testing, ensuring reliability and speed.
• Ensure releases meet defined quality, security, and compliance standards.
• Communicate release plans, progress, and outcomes to stakeholders, focusing on effective change management.
• Lead post-release reviews and identify areas for improvement. 

Project Management  

• Define, document, and execute small projects or sub-projects.
• Work independently or with a small team, actively participating in all project phases. 
• Apply appropriate project management methods and tools. 
• Identify, assess, and manage risks effectively.
• Prepare realistic project plans (including scope, schedule, quality, risk, and communication plans), ensuring stakeholder involvement and alignment with organisational governance standards.
• Track activities against the project schedule, managing stakeholder involvement as appropriate. 
• Monitor costs, times, quality, and resources used. Take action where these exceed agreed tolerance. 

Qualifications 

• Bachelor's degree in computer science, engineering, or equivalent.
• 7+ years working in relevant Software Development positions.
• In addition, the position requires the following attributes:
• Experience with enterprise-scale (high data volume, high concurrent usage) data solutions
• Experience with relational and no-SQL data storage mechanisms
• Strong proficiency in SQL, Python and JSON
• Experience with cloud platforms (i.e. Azure, AWS, GCP)
• Familiarity with containerization (i.e. Docker, Kubernetes), CI/CD pipelines, and infrastructure-as-code.
• Experience with streaming technologies (i.e. Kafka, Event Hub) and API integrations
• The ability to work autonomously within a clear accountability framework, using discretion to address complex issues, while planning, monitoring, and escalating when needed to meet objectives within time and quality targets.
• Be able to influence stakeholders at an account level, contribute to cross-functional teams to meet user needs, facilitate collaboration, and make decisions impacting project success, while participating in activities related to their expertise.
• Proficient in handling diverse, complex technical or professional tasks, resolving issues through investigation, creative thinking, and innovative approaches.
• The ability to communicate complex ideas effectively, drive personal and team development, evaluate technologies, apply expertise to proposals, and ensure security, privacy, and ethical practices.
• Possess deep industry and domain knowledge, quickly adapt to new information, and apply expertise effectively while sharing knowledge with others. 

Working conditions 
A Senior Software Developer is supported by the Solution Architects, Software Development Managers, Principal Engineers, and other Team Leads. This is a hybrid position, and you are required to be in the Seequent Toronto office two days a week. 
Seequent is a global company, and flexibility in working hours may be required to accommodate work across different time zones. 
Tier 3, after hours support may be required on occasion. 
Direct Reports 
There are no direct reports to this position, but you are expected to provide technical guidance and mentorship to other team members.  

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