# Backend Engineer [](https://cp.certmetrics.com/amazon/en/public/verify/credential/7b466343bb7a464d8868e9c425668bc0) ## 🧑🏻‍💻 About - Backend Engineer (5+ years) specializing in Node.js (TypeScript) and Golang - Built scalable solutions serving hundreds of companies and thousands of customers - Expert in microservices, distributed systems, AWS (Certified), and DevOps practices - Tech startup leadership background with end-to-end product development experience - Strong focus on architecting scalable backend systems in collaborative environments ## 💼 Professional Journey ### 🚀 Backend Engineer at [AxiomQ](https://axiomq.com/) / [LynqTech](https://www.lynq.tech/) > *May 2022 - Present* At LYNQTECH, a cloud platform serving German energy suppliers, I developed and maintained a system of with over 50 microservices using Golang. I implemented infrastructure through Terraform and Kubernetes, wrote comprehensive documentation, and established testing practices including unit, integration, and end-to-end tests. This work helped build a reliable platform for the energy sector. `Golang` `Terraform` `Kubernetes` `Docker` `AWS` `CI/CD` `Microservices` `Unit Testing` `Integration Testing` `E2E Testing` `Git` `PostgreSQL` `Prometheus` `Dynatrace` --- ### 🏦 Backend Engineer at [BasiQ.io](https://www.basiq.io/home.html) > *May 2021 - January 2022* At the biggest Australian fintech platform serving hundreds of companies and thousands of customers, I developed/maintained microservices in Golang while building effective web scraping solutions with Node.js. I contributed to the AWS-based serverless architecture, implemented DevOps practices, and helped establish monitoring systems using CloudWatch to ensure reliable service delivery and proactive issue detection. `Golang` `Node.js` `TypeScript` `AWS Lambda` `DynamoDB` `CloudWatch` `API Gateway` `DevOps` `Serverless` `Microservices` `Redis` `Docker` --- ### 🤖 Backend Engineer at [Spartans.Tech](https://spartans.tech/) > *July 2020 - May 2021* I contributed to transforming [Arla.AI](https://arla.ai/) from a single-tenant to a multi-tenant microservice system. I implemented core features including file upload capabilities, real-time communication, user management systems, NLP-based chatbots, and other essential platform functionalities. `Node.js` `TypeScript` `NLP` `WebSocket` `Redis` `MongoDB` `AWS S3` `Multi-tenant Architecture` `Microservices` `Docker` `CI/CD` `Jest` `WebSocket` --- ### 💻 Full Stack Web Developer at [Marko Zlatar](www.linkedin.com/in/mark01zlatar) > *January 2019 - July 2020* I built custom websites and web applications for international clients, focusing on e-commerce solutions with WordPress CMS. I created responsive and dynamic user interfaces while managing complete project lifecycles from initial client consultation through to deployment. `WordPress` `PHP` `JavaScript` `HTML5` `CSS3` `MySQL` `REST APIs` `Git` `jQuery` `Responsive Design` `E-commerce` `UI/UX` --- ## 🧰 Skills/Tools Used Professionally ### Languages & Core Technologies [](https://nodejs.org/) [](https://www.typescriptlang.org/) [](https://golang.org/) [](https://www.gnu.org/software/bash/) [](https://www.python.org/) [](https://developer.mozilla.org/en-US/docs/Web/HTML) [](https://developer.mozilla.org/en-US/docs/Web/CSS) [](https://developer.mozilla.org/en-US/docs/Web/JavaScript) ... ### Databases & Data Processing [](https://www.mongodb.com/) [](https://aws.amazon.com/dynamodb/) [](https://www.mysql.com/) [](https://www.postgresql.org/) [](https://redis.io/) [](https://memcached.org/) [](https://www.elastic.co/) ... ### Architecture & Design [](https://microservices.io/) [](https://www.eventstoredb.com/) [](https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html) ... ### Cloud & DevOps [](https://aws.amazon.com/) [](https://cloud.google.com/) [](https://www.docker.com/) [](https://kubernetes.io/) [](https://aws.amazon.com/cloudformation/) [](https://aws.amazon.com/cdk/) [](https://www.terraform.io/) ... ### Version Control [](https://git-scm.com/) [](https://github.com/) ... ### Monitoring & Observability [](https://prometheus.io/) [](https://aws.amazon.com/cloudwatch/) [](https://www.dynatrace.com/) [](https://www.papertrail.com/) [](https://www.elastic.co/) ... ### Testing [](https://go.dev/) [](https://go.dev/) [](https://go.dev/) ... ## 🗣️ Human Languages: - English - Serbian --- ## 📫 Connect With Me [](https://linkedin.com/in/mark01zlatar) [](https://twitter.com/mark01zlatar) [](mailto:[email protected]) [](https://github.com/mark01zlatar)