Python Software Engineer III

About the Team & Role

Our client is a leading global technology organization operating a high-traffic digital marketplace that connects millions of customers worldwide. The platform serves passionate communities and delivers trusted, seamless experiences through modern, cloud-native technology.
At the core of the organization is a diverse and highly collaborative team of engineers, product leaders, and business experts who are deeply invested in innovation, technical excellence, and continuous improvement. The environment is fast-paced, growth-oriented, and focused on building scalable solutions that customers truly value.
We are seeking a Senior Back End Engineer to play a key role in enhancing and evolving a large-scale, consumer-facing platform. In this role, you will collaborate with cross-functional teams to design, build, and scale backend systems that support a global marketplace.
Duration: 9 months+
Position Type: Contract

Top Skills

• Python
• AWS
• Domain-Driven Design (DDD) Architecture

What You Will Accomplish

• Design, build, and evolve scalable, cloud-native architectures using AWS
• Own features end-to-end, from system design and implementation through testing, deployment, and monitoring
• Write clean, efficient, and maintainable code, and participate in peer code reviews
• Analyze existing applications and data stores to improve performance, reliability, and scalability
• Collaborate closely with engineers, product managers, and designers to deliver high-impact solutions
• Contribute to architectural decisions and technology direction using Domain-Driven Design principles

What You'll Bring

• Bachelor's degree in Computer Science or a related field with 6+ years of relevant experience, or a Master's degree with 4+ years of relevant experience
• Strong expertise in Python, with deep familiarity across its frameworks and ecosystems
• 2+ years of hands-on experience with AWS, including services such as Lambda, Cognito, EKS, OpenSearch, Kinesis, S3, SNS, and SQS
• Experience with containerization and orchestration tools such as Docker and Kubernetes
• Solid background in serverless computing and event-driven architectures
• Experience working with both relational and NoSQL databases, including MSSQL, PostgreSQL, and DynamoDB
• Hands-on experience designing and consuming web services (REST and GraphQL)
• Familiarity with messaging and streaming platforms such as Kinesis, SQS, and SES
• Strong understanding of building modular, extensible, and secure APIs
• Exposure to automated testing and quality practices (e.g., contract testing, performance testing)
• Excellent analytical, communication, and documentation skills

Job Type & Location
This is a Contract position based out of Toronto, ON.
Pay and Benefits
The pay range for this position is $70.00 - $70.00/hr.
Workplace Type
This is a hybrid position in Toronto,ON.

propos de TEKsystems et TEKsystems Global Services

Nous sommes un fournisseur de services aux entreprises et de technologies. Nous acclrons la transformation de nos clients. Notre comptence en stratgie, conception, excution et oprations libre la valeur de l'entreprise par un ventail de solutions. Nous sommes une quipe de 80 000 personnes qui collaborent avec plus de 60 000 clients, notamment 80 % du Fortune 500 en Amrique du Nord, Europe et Asie, qui collaborent avec nous dans le cadre de nos capacits full-stack et notre rythme. Nous sommes des penseurs stratgiques, des collaborateurs pratiques qui aident les clients exploiter le changement et matriser le dynamisme de la technologie. Nous btissons le futur en livrant les rsultats et en crant un impact positif dans nos communauts mondiales. TEKsystems et TEKsystems Global Services sont des entreprises d'Allegis Group. Dcouvrez d'autres informations TEKsystems.com.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.