10/16/2026 updated
Premium member
60 % partially availableSoftware Engineer
Bijeljina, Bosnia-Herzegovina
Only remote
Bachelor of Software EngineeringAbout me
Full-stack software developer with production experience in C#/.NET, Go, React, TypeScript, PostgreSQL, REST APIs and cloud storage integrations. I work remotely on a B2B basis, taking ownership of features from backend and database design through frontend implementation, testing and deployment.
JavaScriptApplication Programming Interfaces (APIs)ASP.NET MVC FrameworkC Sharp (Programming Language)PostgreSQLOracle SQL DeveloperSQL DatabasesSystems IntegrationTypeScriptReact.jsAsp.net Web ApiBackendGitGolang
Backend Development with Go and .NET
Expertise in building backend systems using Go and C#/.NET, including REST API development, server-side application logic, and business-rule-heavy processing for data-heavy internal platforms.
Database Design and Optimization
Proficiency in designing and optimizing relational databases using PostgreSQL and MSSQL, including schema design, queries, views, stored procedures, and data modelling for high-volume workflows.
Frontend Development with React and TypeScript
Strong skills in building data-heavy internal application UIs using React and TypeScript/JavaScript, including structured forms, inline editing, validation workflows, and bulk data management interfaces.
REST API Development
Experience in designing and implementing REST APIs for editing, searching, filtering, uploading, and linking content across related entities and operational workflows.
S3-Compatible Object Storage and MinIO
Integration of S3-compatible object storage for document handling, with MinIO for local development and environment-based production configuration for reliable file upload and retrieval.
SQL and Data Workflows
Design and optimization of MSSQL and PostgreSQL schemas, queries, and stored procedures supporting internal processing, reporting, and data-heavy workflows.
Version Control with Git
Use of Git for source code management and collaborative development across projects.
Stakeholder Collaboration and Requirements Translation
Direct collaboration with business stakeholders to translate domain and workflow requirements into pragmatic technical solutions and iterative software releases.
Expertise in building backend systems using Go and C#/.NET, including REST API development, server-side application logic, and business-rule-heavy processing for data-heavy internal platforms.
Database Design and Optimization
Proficiency in designing and optimizing relational databases using PostgreSQL and MSSQL, including schema design, queries, views, stored procedures, and data modelling for high-volume workflows.
Frontend Development with React and TypeScript
Strong skills in building data-heavy internal application UIs using React and TypeScript/JavaScript, including structured forms, inline editing, validation workflows, and bulk data management interfaces.
REST API Development
Experience in designing and implementing REST APIs for editing, searching, filtering, uploading, and linking content across related entities and operational workflows.
S3-Compatible Object Storage and MinIO
Integration of S3-compatible object storage for document handling, with MinIO for local development and environment-based production configuration for reliable file upload and retrieval.
SQL and Data Workflows
Design and optimization of MSSQL and PostgreSQL schemas, queries, and stored procedures supporting internal processing, reporting, and data-heavy workflows.
Version Control with Git
Use of Git for source code management and collaborative development across projects.
Stakeholder Collaboration and Requirements Translation
Direct collaboration with business stakeholders to translate domain and workflow requirements into pragmatic technical solutions and iterative software releases.
Experience
Professional experience0 - 5 years
Freelancer since2025
Languages
GermanBasic knowledgeEnglishFluent
Project history
Developing and maintaining an internal product support and information platform (Product Support Hub) used to manage manuals, documents, attachments, tags, and structured metadata across a catalogue of thousands of products. Building Go REST APIs and React/TypeScript workflows for editing, searching, filtering, uploading, and linking product content. Integrating S3-compatible object storage with MinIO. Designing PostgreSQL data models and implementing inline editing, structured forms, validation, and bulk CSV/Excel assignment workflows.
Developed end-to-end ReturnSheets functionality for IRMS (Internal Revenue Management System) across C#/.NET, React, and MSSQL, covering creation, editing, validation, filing/submission, status tracking, and correction flows. Implemented accounting-heavy backend processing and business rules including calculations, reconciliations, and audit-friendly record handling. Built React screens for high-volume data entry, review, approvals, and correction workflows. Designed and optimized MSSQL schemas, queries, views, and stored procedures.