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Sándor Nagy

Seasoned tech leader. Hands-on architect. Writer, game dev, and coach.

More than 20 projects across 8+ countries. 15 years and 6+ industries. A hands-on-keyboard technological leader with spikes in communication, architecture, and deep expertise — an experienced team builder and compassionate manager in highly competitive environments.

Sandor Nagy photo

I believe that doing is key to achieving results; talking about how is a distraction. Through delegation and empowerment, I aim to bring out the best in anyone building a solution. Writing is my preferred communication style, with a passion for structure and clarity.

Experience​

Principal Engineer — McKinsey & Company Feb 2022 – Aug 2025 · Budapest, Hungary

Solution architecture, microservices, and hands-on technical leadership across digital transformation engagements in EMEA, the UK, and beyond.

Tech Lead / Agile Architect — IncepTech Aug 2020 – Feb 2022 · Budapest, Hungary

Led engineering delivery teams across multiple countries and industries. Solution architecture, team leadership, and hands-on delivery of greenfield and transformation programs.

Senior Software Engineer — IncepTech Jan 2018 – Aug 2020 · Budapest, Hungary

Microservices and hands-on technical leadership on banking and telco transformation projects across Central and Eastern Europe.

IT Consultant — Independent Dec 2015 – 2018 · Budapest, Hungary

Focused on disaster recovery and availability of IT infrastructures. Worked behind webshops, integrated multiple services to automate tedious tasks, and helped clients scale dependable infrastructures at low cost using hybrid cloud solutions.

Software Developer — Webmine Kft. Aug 2010 – Nov 2015 · Budapest, Hungary

Built Silverlight line-of-business applications — mostly administrative tools for clients' webpages. First project was a tender management system. Supported a legacy WinForms invoicing application and helped implement a second-generation webshop with integrations into older systems.

Selected Projects​

Warsaw, Poland — Logistics control system (McKinsey, 2025)

Co-led a 10+ engineer team delivering new functionalities for an established logistics control product. Created the next-level technical north star to shorten time to market for new features. Java, Spring Boot, microservices.

Cairo, Egypt — Core banking (McKinsey, 2023–2024)

Built a double-entry bookkeeping-ready product management system for unsecured loans, leading a team of 5. Go, systems design.

London, United Kingdom — Automotive consumer app (McKinsey, 2022–2023)

Re-architected a consumer-facing automotive application. Established an end-to-end responsible squad, bridged enterprise architecture with day-to-day delivery, and owned all architecture and cyber-security documentation for a high-scale launch. Software architecture, AWS, agile.

EMEA — Greenfield banking platform (McKinsey, 2021–2022)

Kicked off and rose to Tribe Tech Lead for a greenfield banking solution. Led the current account, transactions, and credit card squads to MVP delivery. Shaped the product and engineering culture as well as the choreography-based microservice architecture. Evolutionary architecture, systems design, NodeJS.

Berlin, Germany — Construction-industry plugin (IncepTech, 2021)

Tech-led a construction-industry plugin development; implemented and launched the MVP in under 3 months. C++, C#.

Almaty, Kazakhstan — Banking MVP (IncepTech, 2020)

Tech-led an engineering team building the first-phase MVP of a bank transformation. Microservices, Spring Boot.

Baku, Azerbaijan — Mobile & back-end re-architecture (IncepTech, 2020)

Architect and tech lead of a joint client team re-architecting mobile and back-end solutions during a bank transformation. Native mobile, microservices, JMeter.

Warsaw, Poland — Telco greenfield & retention journey (IncepTech, 2020)

Tech-led a two-squad engineering team at a telco: delivered the foundations of a new greenfield project and integrated a digital end-to-end retention journey. Led DevOps efficiency exploration and streamlined steps to speed up time to market. Microservices, ASP.NET.

Bucharest, Romania — Banking digital transformation (IncepTech, 2019)

Tech-led a team aiding the digital transformation of a Central European banking group. Implemented data pipelines for product and sales performance analytics, oversaw and integrated ML modelling for a next-best-offer engine, and redesigned a digital signature flow. Microservices, CQRS, Spring Boot.

Zagreb, Croatia — Credit card application journey (IncepTech, 2018–2019)

Part of a 6-person engineering team digitizing a credit card application journey for a Central European commercial bank. Focused on integrating scattered data sources and providing high-performance interfaces to 3rd parties. React, ASP.NET, NodeJS.

Personal Values​

Embrace — Family and friends first. Strangers and acquaintances always treated with kindness and respect. Lives and health over any other priority.

Entertain — Make others feel, think, laugh, or be amazed — to disconnect from their problems for a short while.

Engage — Teach. Inspire thinking about new ideas — in tech, principle, or art.

Empower — Enable others to follow and build upon, so they can achieve more in peace than was possible before.

Enjoy — Life is too short not to.

Said about me*​

"I would point out that you can connect engineering and business world, you have huge experience and great people skills. Best experience that you entered our project and calmly got it back on track. At the time I could not imagine myself doing that."

  • Roland Sz. [senior data engineer]

"Liked working with you. You took the lead, actively pushed and made it happen. Always supported your team, we could always count on you and your wide experience."

  • Gergo V. [senior software engineer]

"You always had sharper insights than most. You could always go one step deeper for pros and cons that others missed. I liked that you gave us space to earn experience."

  • Akos Sz. [senior engineer]

"Always kind, empathic, calm, very caring and professional. This combo is rare, especially in engineers."

  • Richard T. [coach and people leader]

"His technical expertise is top-notch, and he quickly became a reliable pillar of the team. Over time, he grew into a conscientious and supportive leader. Someone you can always count on—both professionally and in people management.

If anything, his high standards sometimes lead him to take on more than necessary, but that also reflects his strong sense of ownership and commitment."

  • Andras M. [technical leader, senior software engineer]

"Direct, operative leader who earns respect with his technical and process knowledge. Quick, decisive and experimental while being thourough enough, these are great traits."

  • Gabor B. [mobile dev chapter lead]

*Names may be altered or hidden due to NDAs in effect