Curriculum Vitae / Resume - Csaba SZELL

Senior software engineer and frontend tech lead with 20+ years of hands-on experience in Angular, TypeScript, PHP, .NET and Node.js. Skilled in designing scalable architectures, leading teams, and bridging product, UX, and engineering. Passionate about future-proof code, automation, and developer experience - from concept to deployment and further.

Frontend Technical Lead - Starschema Ltd / HCLTech (2017-Present)

Lead a team of 5-7 developers building enterprise web apps for logistics and data analytics clients (Angular 18+, RxJS, NgRx, TypeScript).
Defined architecture and coding standards, reviewed code, and mentored team members.
Collaborated with UX, backend, and product teams to deliver performant, maintainable UI systems.
Notable work: Port Optimizer product family (Los Angeles US, Gothenburg SE) - Angular SPA integrated with big data backend and CI/CD pipelines.

Tech: Angular, RxJS, NgRx, TypeScript, SCSS, Jest, ESLint, Git, REST, JWT, CI/CD

Freelance Web Developer / Open Source Contributor - Self-Employed (2003-Present)

Delivered 40+ projects including webshops, CRMs, and internal business tools.
Created and maintained open-source libraries (Angular Bootstrap App, API Caller, Reactive Config).
Contributed to community projects and UI kits (Lounge Theme, Lapce Icon Set).

Tech: Angular, Node.js, PHP, MySQL, Bootstrap, SCSS, Git

Database Administrator - T-Systems Hungary (2014-2017)

Managed over 600 Oracle and MSSQL databases, leading migration and upgrade projects.
Automated maintenance workflows, backups, and deployments using scripting.
Provided performance tuning and security hardening guidance to clients.

Tech: Oracle 12g, MSSQL 2012-2014, RAC, Clustering, Linux

Systems Engineer - Kravtex Ltd (2008-2014)

Designed and implemented a Linux-based corporate network with virtualization (Xen) and essential services (Samba, Postfix, PowerDNS).
Developed web-based internal applications for inventory management, technical drawings, and invoicing using PHP and MySQL.
Standardized Windows workstation environments for office use.

Tech: Linux, Xen, Apache, PHP, MySQL, Samba, iptables, Postfix, PowerDNS, LDAP, OpenVPN

Database Administrator - IQSys (2006-2008)

Administered Oracle 9i/10g and MSSQL 2000/2005 databases, ensuring high availability and performance.
Automated routine tasks through scripting to enhance efficiency.
Supported ETL processes between HP MPE/IX and Oracle databases.
Consolidated hundreds of Oracle databases for Audi Hungary.

Tech: Oracle 9i-10g, RAC, OCA, MSSQL 2000-2005, Clustering, Oracle E-Business 11i

This is a snapshot of my CV taken at 2025-11-16 21:13:04,
better check the latest online: https://cv.co.hu/