Jul 2025 – Present · 10 mos · Berlin, Germany · Hybrid

• In the Office of CTO, shaping a future

Aug 2023 – Jul 2025 · 1 yr 11 mos · Berlin · Remote

• The future of AI is personal. Don't trust it before you can control it! We're building a comprehensive solution that leverages Self-Sovereign Identity (SSI), Privacy-focused Localfirst architecture, and advanced AI technologies to give users hyper-personalized and secure assistance for better self-understanding.

Aug 2021 – Jul 2023 · 1 yr 11 mos · Berlin, Germany

• scale a teams and work cross teams and cross products
• R&D services in SSI and crypto space
• SSI and decentralized tech knowledge expert
• member of office of CTO
• spread a knowledge and ideas
• crisis management and making things done
• teach people to ask right questions
• create architecture
• build a people skills
• watch industries standards and open projects to turn this power for empowering businesses

Aug 2020 – Jul 2021 · 11 mos · Berlin, Germany

• First developer in berlin office and founding developer.
• co-create and developed core ssi sdk
• co-create did Auth open source protocol
• build a ssi hubs and agents for VC secure end to end encrypted storage at scale
• create cross boarder traveling COVId certificates for airports , airlines and travelers . Give scalable solution to give user freedom to travel fast
• create VC offline reverse sharing protocols
• part of sidetree working community
• build a teams
• set rules of play and readiness checklist
• help to interview and find talents
• co- create a interview guides
• Be everything to all people . Wear different heads

Jul 2020 – Aug 2020 · 1 mo · Berlin, Germany

Feb 2020 – Jun 2020 · 4 mos · Berlin Metropolitan Area

• 21re.de is a smart platform for a real estate business that allows us to make data-driven decisions. The company offers few products in the area of intelligent geo data and a verity of scores and metrics.
• I was part of in valuations project that allows on the fly do a valuation of an individual object or complex rich portfolios on the fly and what more critical quickly model changing market parameters and conditions.
• The core of a system based on complex rule DSL and self-adjustable computations – so that it allows to
• recompute only affected parts and give fast results
• Responsibilities:
• System design from on all layers
• Maintenance of infrastructure (docker swarm, login clusters (ELK), bare metal Linux)
• Feature discovery and usability discovery. I work ina agile team of UX / full stack devs
• Day to day development and optimization of delivery rate
• Help team to be effective as an agile team
• Achievements:
• I introduce the modeling process based on xstate and state charts for out frontend – As results feature
• delivery increased by 30%, and the code base reduced massively. As a side effect business logic related to UI is available in visual form
• Build logging and monitoring infrastructure based on AWS Open Distro
• Support CTO with people search and interviews
• Mentor and tune developers to be a better full-stack devs
• Technologies : Scala , Play , Postgre with LTRee extensions , Elastic search , NodeJS, Typescript , React, Xstate , Rust

Nov 2018 – Feb 2020 · 1 yr 3 mos · Berlin Metropolitan Area

• Take Ownership for JS projects. Develop full automation e2e test for cross-device and cross browsers environment. Develop Ninzija like app (super smart and super-fast run everywhere) Tag application similar to the google tag manager but much smarter and better.
• Hight Load / Hight frequency data processing platform for AdMarTeach (Advertisement & Marketing). We handle 3M events per minute.
• Responsibility
• Keep tracing apps (data feeders) up and running (run fast)
• Tune QA and deployment processes to be more reliable and sharper
• Be active mediator for UX, products and tech nerds
• Achievements:
• Get reliable deploy to production without “deploy and pray mode”
• Introduce full scala cross-device automation testing
• Design the next iteration of the architecture
• Technologies : AWS, Scala , JavaScript , Play , DynamoDB , Kinessis , Grafana, React with Hooks ,

Jul 2018 – Present · 7 yrs 10 mos · Berlin, Germany

• Started as a personal vlog. Now I share a knowledge about self sovereign data , decentralized tech and architecture as philosophy and set of mental models . I keen to explain complex things in simple as possible way . I believe in low cognitive load and moldable mental models

Jun 2016 – Nov 2018 · 2 yrs 5 mos · Berlin

• 1) Full-stack developer of mission-critical e-commerce - checkout 2016/06 - 2017/02
• Achievements -
• Lead integration with the mobile platform (native ios, android, win clients & set of rich api)
• Improve SRE and stability
• 2) Login and registration flow - migrate to the new mosaic platform. 2016/06 - 2017/03
• 3) Lead Developer / Integration on Zalando Zet/ plus . The loyalty programs 2017/03 - 2018/04
• Achievements
• Design / rollout registration/subscription scalable frontend in extremely tide schedule (1 month )
• External teams /streams integration
• Help with requirement gettering UI/UX design to a frontend
• Websocket high-speed service - help with secure web socket protocol implementations.
• Salesforce Liveagent - web socket wrapper that customizes UX and gives advanced in a speed and integration features.
• Cooperate and guide tracking and analytics teams
• 4) Transaction Core - 'The heart' of Zalando platform 2018/04 -2018
• Salce order service. All that happened after user click 'by now' till a logistic. Full of challenges and load

Mar 2015 – Jun 2016 · 1 yr 3 mos · Berlin Metropolitan Area

• 1) Frontend Developer / SPA expert
• Design Frontend architecture of visualization platform for Geospatial & Traffic Data . optimized for big data
• Design client server interaction api with UI friendly formats (TopoJSON, GeoJson)
• ReactJS + Reflux scalable frontend architecture design for extensible layer and map oriented plugin architecture
• SPA / Isomorphic application design
• Support AngularJS project
• Create Migration Guidlines form Angular to ReactJS applications
• Development and style guidelines for Reactive UI
• 2) Java Developer
• Develop memory effective algorithms for Traffic data processing algorithms (path reconstructions from preprocessed GPS probes).
• Design data providers for Binary Big Data proprietary storage
• 3) Traffic Data R&D activity
• Select platforms and tools for Traffic and road network analysis
• QGIS application development
• SAGA and custom GIS Tools
• GIS /Traffic Algorithm prototyping (nodejs , python , C++ ,Java )
• Big Data for Traffic Analyze Algorithms

Sep 2014 – Feb 2015 · 5 mos · Berlin Metropolitan Area

• Responsibilities:
• Large UX solution based on pure backbone and vanillaJS support and develop
• HTML5 and CSS3 pages design for desktop and mobile
• performance tuning for client side
• integration and support of inhome CMS solution (java based)
• cooperation with marketing , help to implement ,integrate and support wide range of
• tracking systems like (Google Tag Manager , Google analytics , Universal analytics ,
• kissmatrix , etc )
• tune jsp and spring MVC based pages
• support legacy system & develop new features

Sep 2013 – Aug 2014 · 11 mos · Berlin Metropolitan Area

• Responsibilities:
• 1) fronted developer :
• support of large UX solution based on CanJS
• functional tests on FuncUnit
• new features development
• performance optimization
• 2) Salesforce developer
• survey sub module development for Service support team
• nforce (nodejs) tools for continues deployment in force.com
• extend and customize Service console
• custom business logic development

Sep 2012 – Sep 2013 · 1 yr · Berlin Metropolitan Area

• Responsibilities:
• force.com / Salesforce.com consulter
• Visualforce and apex developer
• Cloud developer (heroku) Rails, nodejs, java spring
• Hybrid project integration with force.com
• UX developer JavaScript, jquery, emberjs
• key Projects:
• GIPSY – Planer Solution design which provide a market leading application for the
• management of deal flow, scheduling and cross border co-operation. Modern Single page application with rich and responsive UX. Extend salesforce.com standard functions
• Lab forum platform - provide the framework for an enterprise grade, stand-alone
• Heroku based digital forum, which would enable customer to deliver the discussion
• platform and facilitate the reuse of the framework to create repeatable future events.
• STORM -Recruitment Company width force.com based platform that cover all HR/
• Recruitment internal procedures and allow maintain candidates base and interact with
• recruitment partners. System consist of Force.com based back office part and cloud
• hosted public web site for applicants

Nov 2011 – Sep 2012 · 10 mos · Wrocław, Dolnośląskie, Poland

• Working on exotics risk management system projects for large world known investment bank
• Activities
• L2 support and troubleshooting on live system
• new features development on server side and WPF UI
• Oracle DB support and development
• Apex application implementation and migration
• code optimization

Sep 2011 – Nov 2011 · 2 mos · Lviv

• Development management
• Engineering managment
• Software logistic and development process setup

Sep 2011 – Oct 2011 · 1 mo

• Team and technical leader on force.com and salseforce oriented solutions.
• Main responsibilities :
• day-to- day team support with development and desing tasks
• project development and delivery process
• create guidlines and blue prints
• force.com development
• scrum driven
• requirment managment

Oct 2010 – Sep 2011 · 11 mos

• Technical Leader of Security stream
• WIF based Active Federation security System Design
• OAuth 2.0
• Create security infrastructure for heterogenic SOA environment (REST , RIA, SOAP service )
• Code review help team members with day to day tasks
• developing and coaching and mentoring others

May 2008 – Oct 2010 · 2 yrs 5 mos

• MMOG Cloud based solution on top of amazon
• Bio-metrical identification as a Servece on top of Azure cloud

Apr 2008 – Oct 2010 · 2 yrs 6 mos

• Requirements management
• Project management
• Risk management
• Team coordination
• People management
• Full project life cycle from idea to maintenance and support
• Distributed team synchronization
• Team staffing

Mar 2005 – Mar 2008 · 3 yrs

• VPC and on-premise e-government SOA systems
• UX Web expert
• Hardware/Software web integration. Web start scan and equipment managment tools
• Web engineer and web stream leader
• pure web and service oriented systems
• cobol transpiling

May 2002 – May 2005 · 3 yrs

• Rails and LAMP startups
• e-learning (moodle based and custom)
• e-commerce
• reputation systems
• accounting
• CMS and CRM small busines solutions