Senior Go Software Engineer

* Brainly is a Polish education technology company based in Kraków, Poland, with headquarters in New
York City.

Project: Gamification
* Responsibilities: Gathering requirements, designing solution architecture, planning & leading projects
for new gamification features.
Implementing microservices in Go (golang), designing and implementing Restful & GraphQL API.
* Technology Stack: Go (golang), automated test frameworks: ginkgo, PostgreSQL, Redis, RabbitMQ,
Restful API, GraphQL, Microservices, Docker, Kubernetes, AWS, Clean Architecture, Github, IaC:
Terraform

Project: Carrotspot - SaaS Loyalty Platform
· Responsibilities: Developing backend logic in Kotlin, developing Chaincodes (Hyperledger Fabric) in Go (golang), architecture analysis & planning, assisting in devops operations (e.g. pipeline configuration for CI/CD)

· Technology Stack: Kotlin, Java, Maven, Spring, REST API, Microservices, Blockchain Hyperledger
Fabric, Go (golang), Kafka, Docker, Kubernetes, PostgreSQL, Bash, Azure DevOps, Azure Pipelines (CI/CD), GCP

· Additional Technical PM Responsibilities: Developers Team management, Requirements Engineering, Solution delivery planning

---

Project: Greenstock - Electromobility & Virtual Power Plant
· Responsibilities: Developing backend logic in Kotlin, developing Chaincodes (Hyperledger Fabric) in Go, architecture analysis & planning, assisting in devops operations (e.g. pipeline configuration for CI/CD)

· Technology Stack: Kotlin, Java, Maven, Spring, REST API, Microservices, Blockchain Hyperledger Fabric, Go (golang), Docker, Kubernetes, PostgreSQL, Bash, Azure DevOps, Azure Pipelines (CI/CD), GCP

---

Project: Ethereum Blockchain - Tokens ERC223 Payments
· Responsibilities: Developing Smart Contracts on ETH for Online Shop integration with ETH ERC223 Token payments, Solution architecture analysis & planning
· Technology Stack: Blockchain Ethereum, Solidity, Truffle, NodeJS, web3.js, Geth Node, Parity Node

· Additional Technical PM Responsibilities: Developers Team management, Solution delivery planning,
Technical Contact for clients, Solution Maintenance & Support

---

Project: Ethereum Blockchain - ICO
· Responsibilities: Developing Smart Contracts on ETH for ICO, Smart Contracts maintenance, ETH Node infrastructure maintenance

· Technology Stack: Blockchain Ethereum, Solidity, Truffle, NodeJS, web3.js, Geth Node, Parity Node

Working on project "mDocuments" (pl. "mDokumenty") where you can have your governmental issued cards in a secure mobile application.

Responsibilities: Developing cryptography (PKCS standards) and HSM integration functions in the
backend system, Developing iOS app ’mCitizen’ (pl. ”mObywatel”), Developing cryptography library
(PKCS standards) for iOS app using OpenSSL

· Technology Stack: Java, Maven, SOAP, SoapUI, Wildfly, Clustering, Load balancing, PKCS Cryptography, HSM, HSM Simulator, Swift, C, OpenSSL