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Hi, I’m Branislav Zivkovic, a senior full stack engineer with 8+ years of experience building scalable web platforms and distributed backend services. I enjoy turning complex requirements into robust, maintainable software and collaborating with cross-functional teams. I specialize in JavaScript/TypeScript, Node.js, and cloud-native architectures, and I’ve built scalable REST and GraphQL APIs, real-time data processing, and multi-tenant platforms using Docker, Kubernetes, and AWS. I’m passionate about clean code, performance optimization, and thoughtful design that helps teams move fast.…Hi, I’m Branislav Zivkovic, a senior full stack engineer with 8+ years of experience building scalable web platforms and distributed backend services. I enjoy turning complex requirements into robust, maintainable software and collaborating with cross-functional teams. I specialize in JavaScript/TypeScript, Node.js, and cloud-native architectures, and I’ve built scalable REST and GraphQL APIs, real-time data processing, and multi-tenant platforms using Docker, Kubernetes, and AWS. I’m passionate about clean code, performance optimization, and thoughtful design that helps teams move fast.

Branislav Zivkovic

Back-End Developer, Full Stack Developer, Front-End Developer, +4

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Hi, I’m Branislav Zivkovic, a senior full stack engineer with 8+ years of experience building scalable web platforms and distributed backend services. I enjoy turning complex requirements into robust, maintainable software and collaborating with cross-functional teams. I specialize in JavaScript/TypeScript, Node.js, and cloud-native architectures, and I’ve built scalable REST and GraphQL APIs, real-time data processing, and multi-tenant platforms using Docker, Kubernetes, and AWS. I’m passionate about clean code, performance optimization, and thoughtful design that helps teams move fast.…Hi, I’m Branislav Zivkovic, a senior full stack engineer with 8+ years of experience building scalable web platforms and distributed backend services. I enjoy turning complex requirements into robust, maintainable software and collaborating with cross-functional teams. I specialize in JavaScript/TypeScript, Node.js, and cloud-native architectures, and I’ve built scalable REST and GraphQL APIs, real-time data processing, and multi-tenant platforms using Docker, Kubernetes, and AWS. I’m passionate about clean code, performance optimization, and thoughtful design that helps teams move fast.

Available to hire

Hi, I’m Branislav Zivkovic, a senior full stack engineer with 8+ years of experience building scalable web platforms and distributed backend services. I enjoy turning complex requirements into robust, maintainable software and collaborating with cross-functional teams.

I specialize in JavaScript/TypeScript, Node.js, and cloud-native architectures, and I’ve built scalable REST and GraphQL APIs, real-time data processing, and multi-tenant platforms using Docker, Kubernetes, and AWS. I’m passionate about clean code, performance optimization, and thoughtful design that helps teams move fast.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Serbian

Fluent

English

Fluent

Work Experience

Senior Backend Engineer

April 2, 2024 - January 2, 2026

London-based role delivering backend engineering for scalable systems. Stack includes Node.js, TypeScript, PostgreSQL, Kafka, Redis, and AWS. Built authentication systems (OAuth, Google auth, token-based authorization), containerized infrastructure with Docker/Kubernetes/AWS, and zero-downtime Postgres migrations. Designed and implemented multi-tenant architectures, REST and GraphQL APIs, and event-driven workflows. Created automation pipelines for data processing and internal reporting, and collaborated with product teams to deliver backend services and platform features. Led frontend platform development using React, Vue, and TypeScript where applicable.

Senior Full Stack Engineer at FatCat

April 2, 2021 - April 2, 2024

Remote role from Belgrade delivering scalable end-to-end solutions. Stack includes Node.js, TypeScript, PostgreSQL, Redis, Kafka, RabbitMQ, Docker, Kubernetes, and AWS. Implemented authentication and authorization, built REST/GraphQL APIs, and designed multi-tenant backend services. Improved deployment reliability with containerized infrastructure and automated pipelines for data processing and reporting. Led frontend platform work using React/Vue/TypeScript and integrated external services and AI-assisted workflows.

Full Stack Developer at BlueGrid.io

September 1, 2019 - April 1, 2021

Built and deployed backend services for two mobile apps and a 3D model processing platform. Led frontend interfaces with React, modern JavaScript frameworks, and data visualization tools for large point-cloud datasets. Improved rendering performance by 50% using optimization techniques; integrated AWS/Lambda and Postgres/APIs for web/mobile/IoT apps.

Full Stack Developer at PlusPlusNT doo

May 1, 2017 - September 1, 2019

Implemented backend business logic and APIs for CRM and internal applications with structured and clean code. Optimized PostgreSQL/MySQL queries and reduced manual data entry errors by 90%. Built REST/SQL-backed APIs, frontend components, and data visualization panels.

Senior Full Stack Engineer at FatCat Remote

April 1, 2021 - April 1, 2024

Senior Full Stack Engineer responsible for building scalable multi-tenant web platforms. Led backend and frontend work; developed AI-assisted platform features by integrating OpenAI APIs into backend workflows; built REST and GraphQL APIs; frontend work with React, Vue, and TypeScript; implemented authentication (OAuth, Google) and managed cloud infra with Docker, Kubernetes, AWS; designed scalable microservices.

Full Stack Developer at PlusPlus NT d.o.o.

May 1, 2017 - September 1, 2019

Full Stack Developer building backend APIs with Node.js and working with PostgreSQL/MySQL. Supported internal CRM and business apps with clean, structured code; reduced manual data entry errors by 90%; optimized PostgreSQL and MySQL queries; improved reporting performance by 5x; built frontend components with JavaScript, HTML, CSS.

Senior Full Stack Engineer at FatCat Remote

April 1, 2024 - January 1, 2026

Created multi-tenant backend architecture; built secure Node.js/TypeScript APIs; implemented OAuth and Google authentication; token-based authorization; containerized infra with Docker, Kubernetes, and AWS; automated data processing and internal reporting workflows; collaborated with product teams to deliver scalable backend services and platform features.

Senior Full Stack Engineer at PlusPlus NT doo

April 1, 2021 - April 1, 2024

Architected multi-tenant backend systems, built secure Node.js/TypeScript APIs, and implemented authentication flows (OAuth, Google) with token-based authorization; containerized infrastructure using Docker, Kubernetes, and AWS; developed automation pipelines for data processing and internal reporting; worked closely with product teams to deliver scalable backend features.

Senior Full Stack Engineer at PlusPlus NT doo

May 1, 2017 - September 1, 2019

Built backend APIs using Node.js/Express for internal CRM and business applications; designed data models; optimized PostgreSQL/MySQL queries; implemented REST APIs and front-end components with JavaScript; delivered clean, maintainable code.