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I’m Goran Sikimic, a Technical Lead and Senior Full-Stack Engineer based in Split, Croatia, with 8+ years of experience delivering production-grade web, backend, and mobile systems. I enjoy turning complex product requirements into reliable software, staying hands-on from architecture and implementation through deployment and production support. In recent roles, I’ve led end-to-end delivery across teams, designing production applications with Java/Spring Boot, React/Next.js, PostgreSQL, Docker, and OAuth/OIDC (including Keycloak). I also build AI-enabled workflows that connect LLM capabilities with business context and integrate with tools like email/CRM/calendars, messaging, and external APIs—always with a strong focus on CI/CD, security, and real-world troubleshooting.…I’m Goran Sikimic, a Technical Lead and Senior Full-Stack Engineer based in Split, Croatia, with 8+ years of experience delivering production-grade web, backend, and mobile systems. I enjoy turning complex product requirements into reliable software, staying hands-on from architecture and implementation through deployment and production support. In recent roles, I’ve led end-to-end delivery across teams, designing production applications with Java/Spring Boot, React/Next.js, PostgreSQL, Docker, and OAuth/OIDC (including Keycloak). I also build AI-enabled workflows that connect LLM capabilities with business context and integrate with tools like email/CRM/calendars, messaging, and external APIs—always with a strong focus on CI/CD, security, and real-world troubleshooting.

Goran Sikimic

Web Developer, Full Stack Developer, Software Engineer, +2

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I’m Goran Sikimic, a Technical Lead and Senior Full-Stack Engineer based in Split, Croatia, with 8+ years of experience delivering production-grade web, backend, and mobile systems. I enjoy turning complex product requirements into reliable software, staying hands-on from architecture and implementation through deployment and production support. In recent roles, I’ve led end-to-end delivery across teams, designing production applications with Java/Spring Boot, React/Next.js, PostgreSQL, Docker, and OAuth/OIDC (including Keycloak). I also build AI-enabled workflows that connect LLM capabilities with business context and integrate with tools like email/CRM/calendars, messaging, and external APIs—always with a strong focus on CI/CD, security, and real-world troubleshooting.…I’m Goran Sikimic, a Technical Lead and Senior Full-Stack Engineer based in Split, Croatia, with 8+ years of experience delivering production-grade web, backend, and mobile systems. I enjoy turning complex product requirements into reliable software, staying hands-on from architecture and implementation through deployment and production support. In recent roles, I’ve led end-to-end delivery across teams, designing production applications with Java/Spring Boot, React/Next.js, PostgreSQL, Docker, and OAuth/OIDC (including Keycloak). I also build AI-enabled workflows that connect LLM capabilities with business context and integrate with tools like email/CRM/calendars, messaging, and external APIs—always with a strong focus on CI/CD, security, and real-world troubleshooting.

Available to hire

I’m Goran Sikimic, a Technical Lead and Senior Full-Stack Engineer based in Split, Croatia, with 8+ years of experience delivering production-grade web, backend, and mobile systems. I enjoy turning complex product requirements into reliable software, staying hands-on from architecture and implementation through deployment and production support.

In recent roles, I’ve led end-to-end delivery across teams, designing production applications with Java/Spring Boot, React/Next.js, PostgreSQL, Docker, and OAuth/OIDC (including Keycloak). I also build AI-enabled workflows that connect LLM capabilities with business context and integrate with tools like email/CRM/calendars, messaging, and external APIs—always with a strong focus on CI/CD, security, and real-world troubleshooting.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Croatian

Fluent

English

Advanced

Work Experience

Technical Lead / Senior Full-Stack Software Engineer at Microcache.io

January 1, 2023 - Present

Led end-to-end delivery across independently owned projects, working with 3–4 engineer squads and larger teams up to ~10 engineers. Designed and built production applications using Java/Spring Boot, React/Next.js, and SQL databases while staying hands-on with architecture and integrations. Built AI-enabled production workflows connecting LLM capabilities with business data and external systems (email, CRM, calendars, messaging) via APIs and automated processes. Owned production readiness including CI/CD, Docker/Linux operations, authentication and OAuth/OIDC, webhooks, deployments, and troubleshooting.

Full-Stack Web Developer

January 1, 2021 - January 1, 2023

Delivered production features across frontend, backend, and database layers for fintech web applications. Translated UI/UX and business requirements into maintainable implementation while supporting integrations and continuous production improvements. Worked across Java/Spring Boot and React, ensuring the application met functional and operational needs.

UI Developer / Keycloak Extension Developer

January 1, 2021 - January 1, 2023

Developed reusable React UI components for a collaborative task-management application. Built custom Keycloak extensions to support authentication flows, user groups, event handling, and external API communication. Contributed to a maintainable front-end foundation and supported identity-related integration requirements.

Software Engineer at Maurer Electronics d.o.o.

January 1, 2020 - January 1, 2021

Contributed to a web API and application functionality supporting digitalization of the German Federal Foreign Office visa-application process. Implemented frontend and backend features enabling online workflows and reducing manual steps. Worked on integrations and system behavior relevant to end-to-end application flows.

Software Developer at Ericsson Nikola Tesla d.d.

January 1, 2018 - January 1, 2020

Worked on BBU/baseband-unit software architecture, including OSI Layer 2 functionality and temperature-measurement algorithms. Performed hardware integration testing for BBU/RRU communication, investigated defects, and supported issue resolution through debugging and validation. Collaborated across engineering tasks to improve reliability of system components.

External Associate (Academic/Technical Support) at University of Split

January 1, 2017 - January 1, 2018

Supported academic and technical work within the Faculty of Civil Engineering, Architecture and Geodesy. Assisted with technical tasks connected to faculty projects and related documentation/support activities.