Tok&Stok

Full-stack Engineer

• Design, develop, and evolve high-performance backend APIs using Node.js/NestJS, PHP/Laravel, and .NET/C#
• Ensure the robustness of POS, payment, billing, ordering, and extended-warranty systems
• Contribute to the architecture and evolution of the POS application, dedicated BFF, and Electron desktop clients
• Integrate checkout systems with EFT payment terminals and NFC-e tax document issuance providers
• Work with partner and acquirer SDKs
• Lead the modernization of legacy systems, migrating services to modern, scalable architectures
• Design and implement event-driven architectures and asynchronous integrations using RabbitMQ and AWS SQS/SNS
• Model and optimize Oracle and MySQL relational databases, MongoDB structures, and Redis caching strategies
• Manage infrastructure as code with Terraform/Terragrunt on AWS
• Orchestrate deployments on EKS, ECS, and Lambda
• Implement end-to-end telemetry and tracing with OpenTelemetry
• Guide technical and architectural decisions
• Conduct code reviews and promote team mentoring and technical development
• Ensure quality through automated testing and continuous CI/CD pipelines

Software Engineer – Senior