Resume

Hrvoje Pavlinovic · Senior Software Engineer · Split, Croatia (EU)

12+ years of building scalable software and blockchain solutions

12+Years Experience15+ProjectsMScComputer ScienceB2BRemote

hrvoje@pavlinovic.com•https://hrvoje.pavlinovic.com

Professional summary

Senior Backend Engineer with 12+ years developing scalable serverless architecture and leading technical teams. Expertise in AWS infrastructure, distributed systems, and Web3/blockchain technologies. Proven track record scaling systems to 1.7B+ ad impressions, optimizing performance for thousands of concurrent requests, and implementing security best practices. Experience mentoring teams and translating complex technical concepts for stakeholders.

Skills snapshot

Core expertise and the toolkits I reach for most often.

Core expertise

Serverless Architecture
Scalability Solutions
Performance Optimization
DevOps Practices
Web3/Blockchain
System Design

Tech stack highlights

Backend

Node.jsTypeScriptExpressNest.jsGraphQLREST APIs

Infrastructure

AWS (CDK, Lambda, ECS)CI/CDDockerKubernetesTerraform

Databases

PostgreSQLMongoDBRedisQuery Optimization

Security

OWASPSmart Contracts AuditAuthData Protection

Web3/Blockchain

EthereumBitcoinSmart ContractsTonConnectEthers

Frontend

ReactNext.jsTailwind CSSStatic Site Generation

Experience

Recent roles and the impact behind them.

Senior Backend Engineer

Tilt

2025 - Present

Building and scaling backend systems powering Tilt's interactive commerce platform, covering livestreams, auctions, payments, and personalization features.
Architect scalable APIs and event-driven services that keep partner integrations and pricing pipelines responsive under real-world traffic.
Improve performance, reliability, and developer experience while shaping backend best practices across the engineering team.

Node.jsNestJSHasuraGraphQLPostgreSQLAWSCDKVideo StreamingStripeSystem Architecture

Senior Backend Engineer

ReneVerse.io

2023 - 2025

Architect microservices infrastructure supporting interoperable gaming assets across multiple blockchain networks
Scale mobile backend systems to handle 1.7B+ ad impressions monthly with 99.9% uptime and sub-200ms response times
Lead third-party API integration projects with Unity and UE SDKs, significantly reducing integration time
Explain blockchain concepts to gaming partners and stakeholders, enabling successful technical integrations
Execute DevOps practices using AWS CDK, improving deployment frequency by 3x and reducing deployment time by 50%
Mentor team of 4 developers, contributing to a significant reduction in time-to-productivity for new hires
Consolidate legacy architecture by unifying 6 repositories into monorepo, reducing build time by 50%

Node.jsTypeScriptGraphQLAWS CDKECSDockerPostgreSQLSmart Contracts

Software Engineer (Consulting)

CryptoToday

2024 - 2025

Architect scalable AWS infrastructure using CDK, ECS, and serverless functions for crypto discovery platform
Optimize database performance for real-time price scraping from 20+ exchanges, use smart caching and indexing to improve query speed
Build Ethereum-based decentralized voting engine with zero downtime
Present complex blockchain voting mechanisms to non-technical stakeholders, securing project approval
Integrate mobile backend for Telegram mini-app battle-tested for 10K+ daily active users

Next.jsMongoDBPostgreSQLEthereumTonConnectAWS CDKECS

Software Engineer

Povio

2021 - 2023

Develop clinical trials management system for German healthcare company Clariness
Implement scalable backend architecture using AWS, Terraform, Docker, and GitLab CI/CD pipelines
Integrate Twilio API for direct call agent functionality and resolve critical timezone calculation bugs
Simplify HIPAA compliance requirements for healthcare team, ensuring successful regulatory approval
Optimize database performance for handling thousands of concurrent patient record queries

Node.jsNestJSTypeORMPostgreSQLAWSTerraformDocker

Backend Engineer

Rimac Automobili

2020 - 2021

Contribute to Telemetry API and OTA updates system for world's fastest electric hypercar
Implement microservices architecture using TypeScript, GraphQL, and event-driven design with Kafka
Design scalability solutions handling real-time telemetry data from 100+ vehicle sensors
Conduct 15+ technical interviews and establish hiring standards for the team
Create secure OTA updates system with rollback capabilities, ensuring zero failed deployments

TypeScriptGraphQLApollo FederationKafkaPostgreSQLAWS

Senior Software Engineer

Profico

2018 - 2020

Lead development standards meetings with C-level executives, establishing company-wide coding practices
Architect scalable web applications for Norwegian media company handling 1M+ monthly users
Implement legacy system integration connecting 4 real estate agency APIs into unified platform
Mentor 3 junior developers achieving promotion to mid-level positions within 12 months
Reduce system downtime by 80% through performance optimization and proactive monitoring

Node.jsTypeScriptExpressReactPostgreSQLRedisDocker

Software Engineer

Ericsson

2015 - 2018

Develop internal tools: Nodebook (Symfony), Atlas (data analysis), AAT (testing)
Improve performance by migrating from Groovy & Grails to Node.js
Create framework-agnostic schema language for testing tools and present to SoftBank executives

Node.jsSymfonyPHPPythonMySQL

Student Software Developer

Freelance

Apr 2013 - July 2016

Tracked 3000+ hours on various projects while attending university
Worked with Joomla, WordPress, Magento, custom PHP + jQuery
Managed ad campaigns, SEO optimization, and server maintenance
Balanced work and studies, graduating with multiple job offers

PHPSymfonyjQueryJoomlaWordPressMagentoMySQLLinuxSEOGoogle AnalyticsGoogle AdsFacebook Ads

Personal projects

Selected work I build and maintain outside client engagements.

Memoato

An AI-powered quantified self and journaling app designed for peak performance and life tracking.

WaspPostgresRedisCloudflare

PLAYGRND

A community-first football scoreboard for tracking leagues, results, standings, and player stats.

GoPostgresRedisSvelteKitHetzner

XXI Today

A Bitcoin wallet and .btc domain explorer, integrated with the XVerse wallet.

Bitcoin.btcXVerse

HILLS Lab

An independent R&D studio focused on applied AI, Bitcoin, and commerce systems.

BackendInfraAIBitcoin

Education

Formal studies that shaped my engineering foundation.

Master's Degree, Computer Science

FESB - Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture

2014 - 2016

Master's thesis @ Universidad de Las Palmas de Gran Canaria (Erasmus scholarship)
Student Teaching Assistant for Introduction to Distributed Information Systems

Bachelor's Degree, Computer Science

FESB - Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture

2011 - 2014