Andrii Savchuk Email & Phone Number

• SaaS Application Development: Led a team of six engineers to build a SaaS application using Golang, Hasura (GraphQL), MongoDB, and Ory for authorization, completing it within six months.• Orchestrator System: Designed a resilient orchestration system for distributed workflows, using Temporal.io, SAGA, CQRS, and Orchestrator patterns. Integrated a BFF architecture where writes leverage SAGA services and reads route through backend services.• Service Migration: Migrated services, such as notifications to Golang for improved performance and reliability.• Mentorship and Code Quality: Mentored team members on Golang, distributed systems, and code optimization, conducting thorough code reviews and promoting best practices.

Kyiv, Kyiv City, Ukraine

Design and Implementation of API Gateway on AWS Infrastructure:• backend development for interaction between different parts of the application, such as the web application and NodeRed• implementing CQRS and transaction-outbox pattern for the services• developing a process for deploying containerized NodeRed instances using AWS ECSTechnology Stack:Golang, Node.js, AWS Services (AWS Lambda, AWS DynamoDB, AWS S3, AWS SQS, AWS SNS, AWS ECS, AWS Scheduler), Serverless, Terraform, GitLab CI

Kyiv, Kyiv City, Ukraine

Kyiv, Kyiv City, Ukraine