Profile

Dr. Erik Stenman has extensive technical expertise and leadership experience in fintech and software development. His career spans over three decades, during which time he has excelled in architecting high-performance systems and leading technology-driven business strategies. Erik’s unique blend of skills suits him for technical leadership roles where strategic innovation and customer satisfaction are paramount.

Experience

HappiHacking AB 2014 - now

Founder & Senior Developer HappiHacking AB

Recruited and managed a team of skilled developers to deliver complex software solutions. Led the architecture and development of systems for handling over 1 billion daily events, demonstrating expertise in high availability and scalable systems.

Klarna Bank 2005 - 2014

Chief Technology Officer (CTO) & Chief Scientist

Erik oversaw the expansion of Klarna’s development department from 1 to 80 people. He led the development and operation of Klarna's payment systems, focusing on high availability, robustness, and performance enhancements to support scalability and customer satisfaction.

Virtutech AB 2004 - 2005

Senior Developer

Optimized Simics, a full computer simulator, enhancing product performance and efficiency.

Key Projects and Achievements

• Blockchain Development: Designed and developed a new blockchain technology for æternity, emphasizing secure, scalable, and efficient transaction processing.
• Financial Technology Leadership: Played a pivotal role in architecting and implementing fintech solutions that significantly improved system reliability and operational efficiency.
• Innovative Technology Solutions: Spearheaded the development of advanced technology solutions, including IoT systems for Deutsche Telekom, handling large-scale data and ensuring compliance with GDPR.
• IoT Architecture Leadership at Scania/Traton: As Chief Engineer for the offboard platform and connectivity domain, Erik led the standardization of IoT architectures across several brands. He demonstrated exemplary communication skills and strategic vision, successfully aligning multiple teams.

Education

PhD in Computer Science 1999 - 2002 Uppsala University, Uppsala, Sweden

Licentiate in Computer Science 1996 - 1999 Uppsala University, Uppsala, Sweden

Master's of Science in Computer Science 1992 - 1996 Uppsala University, Uppsala, Sweden

Skills

• Technology Leadership & Strategy
• Effective Communication and Team Leadership
• Systems Architecture & Scalability
• High Availability & Distributed Systems
• Backend Systems & Software Engineering
• Cloud Computing and IoT Integration
• FinTech & Blockchain Technology
• AI and Machine Learning
• Programming Languages: Erlang, C, JavaScript, Java, C++, ...

Recent assignments

HappiHacking 2014 - Present

Founder & Senior Developer

• Launched a mobile game, providing architectural and project management leadership. Wrote game-solving algorithms in C, showcasing the ability to lead in dynamic and creative tech environments.

Redcare Pharmacy Mar 2024 - Present Coach for Architects

Technical Advisory & Architecture Leadership

• Served as Interim CTO and Technical Advisor for multiple tech companies, including Laya Technologies and Sika Health, directing strategic overhauls and technology roadmaps.
• Conducted high-impact architecture reviews and migration assessments for financial platforms like Delta Exchange and Finoa, demonstrating deep fintech and blockchain expertise.

Core Team Lead Core Team Lead Aeternity Foundation · ContractAeternity Foundation · Contract Oct 2023 - Present · 2 yrs 1 moOct 2023 to Present · 2 yrs 1 mo Stockholm, Stockholm County, Sweden · RemoteStockholm, Stockholm County, Sweden · Remote Skills: Backend Performance Optimization · Scalability Architecture · Distributed Systems · Fintech Infrastructure Skills: Backend Performance Optimization · Scalability Architecture · Distributed Systems · Fintech Infrastructure Scania Sverige logo Scania Sverige Scania Sverige Contract · 1 yr 4 mosContract · 1 yr 4 mos Södertälje, Stockholm County, Sweden · HybridSödertälje, Stockholm County, Sweden · Hybrid Chief Engineer Offboard Platform and Connectivity Domain Chief Engineer Offboard Platform and Connectivity Domain Nov 2023 - Sep 2024 · 11 mosNov 2023 to Sep 2024 · 11 mos As Chief Engineer for the Offboard Platform and Connectivity domain at Scania, I worked on a unified cloud connectivity solution for all TRATON brands. This role involved architecting a common platform to streamline and standardize data exchange, communication, and integration across diverse vehicle fleets, enhancing efficiency and scalabilty. My responsibilities included coordinating with stakeholders across various TRATON brands, and driving the technical strategy to ensure robust, secure, and scalable cloud infrastructure. The project aimed to optimize the vehicle-to-cloud communication framework, enabling seamless data flow, remote diagnostics, and over-the-air updates. By delivering a common cloud solution, I helped harmonize connectivity strategies across TRATON, reducing costs, improving performance, and setting the foundation for future innovation in vehicle connectivity and smart fleet management. As Chief Engineer for the Offboard Platform and Connectivity domain at Scania, I worked on a unified cloud connectivity solution for all TRATON brands. This role involved architecting a common platform to streamline and standardize data exchange, communication, and integration across diverse vehicle fleets, enhancing efficiency and scalability. My responsibilities included coordinating with stakeholders across various TRATON brands, and driving the technical strategy to ensure robust, secure, and scalable cloud infrastructure. The project aimed to optimize the vehicle-to-cloud communication framework, enabling seamless data flow, remote diagnostics, and over-the-air updates. By delivering a common cloud solution, I helped harmonize connectivity strategies across TRATON, reducing costs, improving performance, and setting the foundation for future innovation in vehicle connectivity and smart fleet management. Skills: Backend Performance Optimization · Scalability Architecture · Distributed Systems Skills: Backend Performance Optimization · Scalability Architecture · Distributed Systems Cloud Architect Cloud Architect Jun 2023 - Oct 2023 · 5 mosJun 2023 to Oct 2023 · 5 mos

2022 - 2022 C++ utvecklare för AI-startup i stealth mode

Analyserar ML-modeller i MLIR och llvm.

Nyckelord: ML, AI, Compiler Technology, CI-buildsystem

Teknik: Python, C++, llvm, PyTorch, TensorFlow, MLIR, CMake

2021 - 2022 Arkitektur och utbildning för Delta Exchange

Arkitekturöversyn för en högtransaktionskryptovalutabörs. Kurs i samtidig programmering i Erlang och Elixir.

Nyckelord: Krypto, FinTech, Bästa praxis, Arkitekturöversyn, Prestanda, Genomströmning, Latens, Utbildning, Kurs

Teknik: BEAM, Erlang, Elixir