Technical Lead at ShyftLabs

About ShyftLabs At ShyftLabs, we live and breathe data. Since 2020, we’ve been helping Fortune 500 companies unlock growth with cutting-edge digital solutions that transform industries and create measurable business impact. We’re growing fast and we’re looking for passionate problem-solvers who are ready to turn big ideas into real outcomes. The Opportunity We are seeking a visionary and highly skilled Store Application Lead to join our team in Toronto. In this role, you will serve as the technical anchor for mission-critical, customer-facing applications that power essential in-store retail experiences for a major US based retail client. As a Lead, you won’t just write code, you will own the end-to-end lifecycle of high-impact innovation initiatives dedicated to this client, from initial solution design and infrastructure provisioning to production rollout and hypercare. You will balance hands-on, high-scale development with technical leadership, ensuring the client’s retail technology platforms are resilient, scalable, secure, and high-performing. You will work closely with both our internal teams and the client’s stakeholders, playing a key role in shaping and evolving the in-store technology ecosystem that supports thousands of stores and millions of customers. Key Responsibilities • Innovation & Project Ownership: Drive the end-to-end (E2E) delivery of complex features and innovation projects. You will own the entire lifecycle, including architectural design (iDesign), development, rigorous testing, production deployment, and post-launch hypercare. • Full Stack Development: Lead the implementation of scalable backend APIs using Python (FastAPI/Django) and high-performance frontend applications for both web (React 18) and mobile (React Native) environments. • Infrastructure & DevOps: Provision and manage AWS cloud resources using Terraform (IaC). Maintain and optimize automated CI/CD workflows using GitLab CI and containerized environments via Docker. • Data & System Integrity: Manage data schemas and optimize performance across PostgreSQL and DynamoDB. Proactively monitor system health and performance using New Relic and Datadog. • Operational Excellence: Provide high-level analysis and resolution for production incidents and service requests during business hours. • On-Call Leadership: Participate in on-call support rotations (both business hours and after-hours/weekends) to ensure 24/7 system stability and strict adherence to SLAs. • Documentation & Standards: Ensure all solutions follow global framework standards. Maintain comprehensive technical documentation and lead Knowledge Transfer (KT) sessions to elevate the team’s collective expertise. Required Technical Expertise • Backend Engineering: Expert-level development in Python 3.9+ using FastAPI and Django frameworks; proficiency in designing GraphQL APIs with Strawberry and managing asynchronous servers via Uvicorn; and deep experience with Pydantic for data validation and Boto3 for AWS integrations. • Frontend & Mobile Development: Advanced capability in building cross-platform applications using React Native and React 18 powered by TypeScript, expert use of Vite for builds, Redux Toolkit for state management, and Tailwind CSS/Headless UI for styling; and integration of complex libraries like ApexCharts, JSVectorMap, and Axios. • Data & Persistence Layer: Proven experience architecting schemas for PostgreSQL and DynamoDB using SQLAlchemy and Alembic for migrations, implementing high-performance caching with Redis, and managing large-scale data workflows involving Snowflake and Pandas. • Cloud, DevOps & Observability: Hands-on leadership in provisioning AWS infrastructure (S3, ECR, R53, SES) via Terraform; orchestrating containerized environments with Docker and Nginx, managing automated pipelines in GitLab CI, and utilizing Datadog (RUM & Logs) and New Relic for proactive system monitoring. • Testing & Quality: Dedication to high code coverage through Pytest for backend logic and Jest combined with React Testing Library and ts-jest for frontend reliability. Required Qualifications • 7+ years of professional experience in full-stack software development, with a clear track record of leading complex projects. • Deep expertise in the specified technology stack (Python, React Native, AWS, Terraform). • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. • Proven ability to manage production incidents and thrive in an on-call environment with strict SLAs. • Strong analytical skills and the ability to translate business requirements into robust technical solutions. Why You’ll Love Working at ShyftLabs At ShyftLabs, your work matters. We’re a growing data product company making a big impact with Fortune 500 clients and as we scale, you’ll have the chance to shape solutions, influence strategy, and grow your career alongside us. Here’s what you can expect when you join our team: -Hybrid Flexibility: Enjoy a hybrid model with 3 days in-office and 2 days remote. -Downtown Toronto Office: Work in the heart of the city. -Comprehensive Benefits: We cover 100% of health, dental, and vision insurance premiums for you and your dependents which means no out-of-pocket costs. -Growth & Learning: Access extensive learning and development resources to keep leveling up your skills. Inclusion at ShyftLabs We’re building something big, and we want you on the journey with us. If you’re ready to use data and innovation to make an impact, apply today and let’s grow together. ShyftLabs is an equal-opportunity employer committed to creating a safe, diverse, and inclusive environment. We encourage applicants of all backgrounds including ethnicity, religion, disability status, gender identity, sexual orientation, family status, age, and nationality to apply. If you require accommodation during the interview process, let us know and we’ll be happy to support you.