Josef S.

About Me

Josef is a skilled software engineer with over 10 years of experience in delivering complex IT and software solutions. He is currently specializing in Python and can lead the development process from concept and POCs to production systems that meet end-user needs. Joseph is skilled in analyzing business scenarios, understating the existing state, requirements, and identifying gaps and potential innovations that add value to the business. He has a hands-on attitude and can deliver high quality and high performant code.

AI, ML & LLM

Frontend

Backend

Other

Work history

UpStack
UpStack
Senior Software Engineer
2020 - Present (5 years)
Remote
  • Create and develop innovative software solutions for different clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Flash Labs Corporation
Flash Labs Corporation
Senior Software Engineer
2021 - Present (4 years)
Remote
  • Developed an NFT Marketplace and Digital Asset Exchange from scratch, utilizing Solidity, JS, Azure, and Kafka.

  • Processed multiple video streams to evaluate actual performance of the printer, developing control layer for managing IoT data streams related to building environment.

  • Evaluated feasibility and integration of palm readers.

Circular Capital AG
Circular Capital AG
Software Engineer
2019 - 2020 (1 year)
Switzerland
  • Worked on the development of new features of an in-house high-frequency trading platform - from research through design, software development (C++/Python/Linux) to initial operational activities.

  • Created and developed new functionality, performance profiling (vTune) and optimisation, creation of support utilities.

  • Performed migration from Python 2.7 to Python3.6 , as well as C++17 introduction.

Sophia TX
Sophia TX
Blockchain Architect/Lead Developer
2018 - 2019 (1 year)
Switzerland
  • Worked on the design and development of the DLT B2B solution for a Swiss based joint stock company, which has been formed for the venture by veterans of "best-in-class"​ SAP integration experience.

  • Acted as technical product owner for an evolutionary Blockchain Platform and Marketplace, SophiaTX integrates leading enterprise applications and solutions, covering major ERP, CRM, and SCM systems.

  • Established agile processes and created the product in cooperation with the business team, prioritising product backlog, managing releases, in order to maximise value delivered with given resources.

Codec
Codec
Blockchain Architect/Software Developer
2017 - 2018 (1 year)
United Kingdom
  • Acted as a contractor a start-up in the media and advertising area, aiming to introduce new decentralised application for targeted content promotion.

  • Provided advisory regarding feasibility and architecture of the platform that provided unbiased, actionable insights into the different audience networks where a brand can drive deeper engagement.

  • Developed the dApp’s smart contract and backend using JavaScript, Solidity, and Scala.

DECENT
DECENT
Chief Architect
2015 - 2017 (2 years)
Slovakia
  • Led the research and development of a decentralised, blockchain-based digital content marketplace.

  • Involved in the initial research and co-created a novel protocol, including two novel zero-knowledge proofs. Led the delivery of the minimal viable product, that was used as base for fundraising.

  • Implemented agile processes, also gathering a distribted team of twelve people. Successfully delivered the blockchain backend and APIs (C++/Linux). SPoC for all relevant stakeholders.

Ericsson
Ericsson
Solutions Architect
2007 - 2016 (9 years)
Slovakia
  • Acted as Solution/Product manager responsible for the solutions through its lifecycle – from early presales engagements through consulting or delivery to phase-out.

  • Led technical parts of multi-country RFxs, mediating between customers, accounts and business units. Led technical delivery and acceptance.

  • Worked on Sale and delivery of PSTN-to-IMS migration project – one of the first migration of this kind in the world; sale and delivery of a real-time unified data charging.

Showcase

Software Engineer - Decent
Software Engineer - Decent
  • DCT is a platform cryptographic asset classified as a circulating supply managed by delegated witnesses.

  • DCT is the fundamental component of the DCore blockchain, utilizing DPoS and file-sharing protocols.

  • The development team, led by the assistant, built the protocol, delivered the main net, and created the development team.

Software Engineer - Marinate
Software Engineer - Marinate
  • Marinate is a project management cloud application with blockchain integration.

  • It seamlessly integrates with various apps like SMS, email, Slack, and more.

  • Marinate analyzes informal handshakes and provides insights for continuous improvement.

Software Engineer - Charging system for a mobile operator
Software Engineer - Charging system for a mobile operator
  • Developed an online charging system for mobile data traffic across all tariff combinations.

  • Led a small team through the entire project lifecycle, from pre-sale to delivery.

  • Managed the project from initial stages to acceptance, encompassing all key functionalities.

Education

MBA, General Management
MBA, General Management
City University of Seattle
2009 - 2011 (2 years)
B.Sc, Informatics
B.Sc, Informatics
Masaryk University Brno
2000 - 2006 (6 years)