senior software developer.

We are seeking a highly accomplished Senior Software Developer to drive the technical design, advanced programming, and full-lifecycle deployment of high-scale, distributed application environments. In this role, you will take hands-on technical ownership of translating complex system specifications into secure, high-performance software packages. Operating as a senior technical authority, you will engineer scalable backend business logic, build containerized application clusters, and design robust data-routing pathways to ensure seamless system interaction and optimal service availability.

Advantages
High-Scale Technical Impact: Architect major structural components for high-volume, distributed backend service networks.

Modern Cloud-Native Stack: Expand your professional profile managing advanced Docker, Kubernetes, and API Gateway configurations.

Full Elicitation Autonomy: Take complete ownership of features from abstract stakeholder concept down to physical code execution.

Stable Long-Term Runway: Secure a 12-month contract dedicated entirely to complex software engineering and modernization pipelines.

Responsibilities

Distributed Systems Engineering: Design, develop, and maintain secure, scalable server-side features and data-driven programs for high-scale, distributed systems environments.

Technical Specifications & Coding: Translate technical systems specifications into working, fully tested business logic, managing detailed programming requirements and code generation.

Containerization & Deployment Orchestration: Build, configure, and manage containerized software workloads to support microservices environments across scalable infrastructure layouts.

API & Gateway Routing Management: Integrate cloud application endpoints using modern API gateways, load balancers, and service discovery communication protocols.

Tier-3 Troubleshooting & System Triage: Isolate, resolve, and troubleshoot complex technical problems that surface during system installations, environment conversions, and major database migrations.

Full-Lifecycle Testing & Quality Assurance: Drive robust data validation, code reviews, and unit testing scripts to ensure defect-free, stable application deployments.

Database Programming & Optimization: Formulate data storage routines and optimized search patterns using structural query languages across relational and hierarchical database technologies.

Technical Documentation & Collaboration: Author low-level developer specifications, deployment manuals, and system architecture blueprints to enable seamless post-implementation support.

Cross-Functional Facilitation: Lead design walkthrough sessions and collaborate with multi-disciplinary stakeholders throughout the Software Development Life Cycle (SDLC) using structured methodologies.

Qualifications
Core Technical Seniority: 10+ years of progressive professional experience in software programming, application design, and system analysis within high-scale, distributed systems environments.

Backend Framework Mastery: Deep, hands-on development expertise writing clean, maintainable logic using modern backend frameworks such as Spring Boot, Node.js, or .NET Core.

Containerization & Orchestration Skills: Direct professional proficiency provisioning and managing containerized multi-tier configurations using Docker and Kubernetes.

Cloud Network Routing Literacy: Practical working knowledge of API gateways, service discovery mechanisms, and load balancing topologies across cloud hosting spaces.

Database & Query Acumen: Proven experience designing and supporting software connected to relational and hierarchical database technologies using modern data retrieval frameworks.

Methodological Grounding: Strong experience delivering production code under structured development practices and rapid application development (RAD) methodologies.

Soft Skills: Outstanding analytical, decision-making, and verbal/written communication skills, with an established history of conducting technical design walkthroughs and meeting tight deadlines.

Summary
If you're interested in the "Senior Software Developer" role based in Toronto, we encourage you to apply online at Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies. show more