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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Csillag Balint

Full Stack Developer, Software Engineer, Back-End Developer, +4

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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Available to hire

Budapest, Hungary

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.

Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Hungarian

Fluent

English

Fluent

Work Experience

Senior Software Engineer / Full-Stack Developer at Optima AI

October 1, 2023 - Present

Constructed scalable frontend and backend components for full-stack applications, ensuring robust performance and user satisfaction. Developed enterprise web applications using JavaScript, TypeScript, React, Next.js, NestJS, and Tailwind CSS, and implemented RESTful APIs including business logic, database integrations, and third-party service integrations. Built backend services using Python, Django, Node.js, and NestJS, working with SQL Server, MySQL, and MongoDB. Performed testing, debugging, performance optimization, and production support, and worked with cloud-based deployments and automated release processes. Used Git/GitHub and Agile practices to deliver maintainable software.

Senior Software Engineer / Full-Stack Developer at opra Steria | France

October 1, 2022 - June 1, 2026

Constructed scalable frontend and backend components for full-stack applications, ensuring robust performance and user satisfaction. Built enterprise web applications using JavaScript, TypeScript, HTML, Tailwind CSS, Next.js, and NestJS. Designed and implemented RESTful APIs, business logic, database integrations, and third-party service integrations. Developed and maintained ASP.NET/C# enterprise applications and Python/Django services. Worked with SQL Server, MySQL, and MongoDB for application data and database development. Implemented application testing, debugging, performance optimization, and production support. Supported cloud-based applications and automated deployment processes using Git/GitHub and Agile development practices.

Senior Software Engineer / Technical Lead at Akkodis

January 1, 2020 - September 30, 2023

Led technical design, code reviews, and performance optimization to ensure high-quality delivery and reliable production support. Built scalable REST APIs, backend services, microservices, and enterprise components. Developed full-stack applications using Python, Django, JavaScript, TypeScript, Node.js, and NestJS, and created modern frontends with React and Next.js. Designed and optimized SQL Server, MySQL, and MongoDB databases. Implemented AWS/Azure solutions and deployment workflows, automating build, testing, deployment, and release processes using DevOps practices.

Senior Software Engineer / Technical Lead at Akkodis | Belgium

January 1, 2020 - September 1, 2022

Led technical design, conducted code reviews, and optimized performance to ensure high-quality software delivery and reliable production support. Built scalable REST APIs, backend services, microservices, and enterprise application components. Designed and developed full-stack applications using C#, ASP.NET Core, Python, JavaScript, TypeScript, Node.js, and Django. Developed modern web applications using React, Next.js, TypeScript, and HTML/CSS. Designed and optimized SQL Server, MySQL, and MongoDB databases. Implemented AWS/Azure cloud solutions and deployment workflows. Automated build, testing, deployment, and release processes using GitHub and DevOps practices.

Senior Software Engineer / AI & Full-Stack Engineer at Luxoft

May 1, 2017 - December 31, 2019

Developed AI-powered applications and integrated AI/LLM capabilities into business workflows, automating processes and building intelligent features. Implemented AI and backend services, APIs, and automation tools using Python and Django. Built full-stack applications using Python, Django, JavaScript, TypeScript, Node.js, NestJS, React, and Next.js. Designed REST APIs, microservices, and distributed architectures, and optimized multiple database systems including MySQL, PostgreSQL, SQL Server, and MongoDB. Implemented AWS infrastructure, Docker containers, CI/CD pipelines, automated deployments, and integrations with external APIs, authentication providers, and CRM systems.

Senior Software Engineer / AI & Full-Stack Engineer at Luxoft | Switzerland

May 1, 2017 - December 1, 2019

Developed AI-powered applications and integrated LLM capabilities into business applications and automated workflows. Built AI/LLM backend services, APIs, and automation tools using Python to enhance intelligent features. Developed full-stack applications using Python, Django, JavaScript, TypeScript, Node.js, NestJS, React, and Next.js. Designed scalable REST APIs, microservices, and distributed application architectures. Designed and optimized MySQL, PostgreSQL, SQL Server, and MongoDB databases. Implemented AWS cloud infrastructure, Docker containers, CI/CD pipelines, and automated deployments. Integrated AI services, CRM systems, external APIs, and authentication providers to streamline business processes. Contributed to architecture design, code reviews, and Agile/Scrum delivery.