Leading Engineering & Product organizations at BOLD Poland (formerly Zety/InterviewMe). Focusing on growth, in particular on revenue, portfolio, traffic & sales, teams velocity. * grew team from 18 to 40+ highly engaged a-players (overall 4 to 40+ with M&A)* successfully navigated organization through company merger & acquisition process with BOLD* build 9 autonomous teams and rolled managers. Teams: QA, Frontend, Web, Backend, Infrastructure, Data Science, Analytics, Product Management, UX/UI, Engineering Management* implemented & optimized processes with Agile Scrum & Kanban, LEAN Manufacturing, PMI/PMP, ITIL, Six Sigma, OKRs* introduced & implemented 50+ KPIs for measuring & planning product growth, designed 200+ product events with all user properties, data driven approach to AB tests for conversion & retention optimization of entire product lifecycle * preparing annual budgets for hiring, sales, product KPIs, new greenfield projects development, vendors Product wins from 2020:* conducted 120+ clever multivariate product experiments focused on conversion & retention with average of 42% success rate* designed & shipped new retention application increasing user lifetime value, 5 additional in pipeline* InterviewMe product conversion increased by +208%* InterviewMe product retention increased by +600%* InterviewMe revenue increased by +320%* ResumeLab product conversion increased by +216%* ResumeLab product retention increased by +666%* ResumeLab revenue increased by +2100%

On top of leading Engineering, I've taken Product department to streamline product development & time to market.* absorbed Product Department, managing team of 6+ (product managers, product analysts, user experience & user interface capabilities). My team was responsible for entire funnel, sales, retention. * grew team from 6 to 14 highly engaged a-players* responsible for defining & driving product vision & strategy, which lead to shorter time to market, lower budget spendings, removal of unused features without revenue contribution* meet & overdelivered sales, conversion & retention goals for all products, conducting dozens of AB tests and multivariate experiments to improve product experience* defining roadmap & prioritizing most impactful items increasing conversion & retention

I joined to rebuild engineering teams & processes, helping company to scale-up from 20 to 110 FTEs in 2 years. I started with redesigning entire tech stack, architecture of company services & products, streamlining processes and focusing on finding best talent. I finished building high performance teams that want & can win, building best software product in career space!* grew team from 4 to 18 a-players * increased dev team velocity by 140% by proces optimization, prioritization* designed & built from scratch entire B2C SaaS subscription product (full ecosystem) with integrated product experiments / AB tests and advanced analyticsMost notable engineering wins:* frontend - designed React SPA application optimized for mobile & desktop, multi-language support * backend - designed stateless microservices architecture in PHP & Node.js, Service Bus with RabbitMQ; API communication with GraphQL; DBs with MySQL & MongoDB; ElasticSearch, Redis * backend - designed custom experiments & AB testing platform for conducting multivariate & overlapping product experiments, with complete analytics methodology, Segment & MixPanel integrations * payments - designed payments microservice supporting multiple payment providers & payment methods available through generic GraphQL API, integrations with SafeCharge & Braintree, 3D Secure 2.0, multi currency single & subscription payments, merchant account load balancing & cascading for chargebacks optimization* infrastructure - designed high availability & high redundancy Kubernetes cluster, all services containerized with Docker, with blue/green or canary deployments; geographical sharding & scaling options; * infrastructure - designed custom Content Delivery Network (CDN) handling 55+ million users yearly* data science - designed jobs-to-cv matching service, resume document scoring with 97 individual recommendations* web - designed server side rendering service optimized for each page* testing - manual & automated tests

Co-founder of SaaS platform for online surveys. Offering services in freemium and premium model, with rich set of branding, white-label and configuration options optimized for desktop & mobile.

Responsible for successful end-to-end delivery of projects and services at Roche ADMD Global IT Solutions Centre. Grew portfolio extensively multiplying budget, teams headcount & projects under my management meeting highest sponsors satisfaction metrics. - Grew budget managed from 1M CHF to 4M CHF in 12 months- Grew teams managed from <10 FTE to 80+ FTE of contractors in virtual teams setup, responsible for vendors governance - IT Delivery Manager in ADMD DIA IT team, overseeing Research & Development and Commercial Operations portfolio- Accountable & responsible for ITIL service management for CLM (Contract Lifecycle Management), PIM (Product Information Management) & MScS (Medical & Scientific Systems), EDSS (Enterprise Development Solutions & Services), ESS applications- Accountable & responsible for delivery of software projects: DGBM, PPMNxT, Study Registry, MedCIN & MedMAP, Simple Deals, Complex Deals, Agiloft Light, CIW, UAM, SCI, Software4You and others- Leading regular service reviews with partners - Responsible for escalations and improvement plans, identifying opportunities and leading transformation projects- Successful delivery of services within green KPIs, delivery of projects on time, budget, quality and requirements - Managing relations & close collaboration with Business Partners (department Heads, IT Solution Owners, Enterprise Architects, Business Analysts, Service Managers) - Using Roche PMM, Agile Scrum & Kanban for software development projects & ITIL for service management

Responsible for end to end IT operations & service management on P&G account for global P&G Product Supply solutions - area of Supply Chain, SAP ECC, Demand Planning, Business Intelligence & Data Warehouse. Manager for P&G Product Supply SLM team in Warsaw HP Center. Apart full service management life cycle, responsible for service design, ITIL process implementation & governing, service improvements, SLAs, client and vendor management, transitions and global support teams. Successfully delivering services exceeding P&G expectations and growing HP SLM team in Warsaw.

I was dedicated Program Manager & Coordinator responsible for software development of Gadu-Gadu web client - GG.pl, an online social networking service and instant messaging app with over 9 million active users monthly. I was line manager and Scrum Master for frontend and backend software developer teams working in various technologies (JS, PHP, HTML5, CSS3, SQL, Flash, GFX, animations and video). I was responsible for successful delivery of all 3 major GG.pl releases and regular feature updates through 2 years timeframg, implementing full Agile Scrum and System Development Life Cycle.

I was software developer responsible for development of new and maintenance of existing application, working mainly on open source PHP platforms like Drupal, Joomla and others. Maintenance of Java backend batch applications. I was also administrating Linux servers in Dublin data center.I helped company to optimize used technologies, development and release process, which allowed company to multiply client base, grow and have better margins.

I was responsible for designing and development of PHP applications.

I was line manager for a team of 6 frontend and backend developers (JAVA, PHP, SQL, HTML, CSS, JS). I was responsible for all application development activities, project management and data center management. I helped company to gain technology and project management competences, which allowed to grow from small interactive agency to full size and mature player on advertising market.

I was C / C++ software engineer responsible for designing and adding TCP/IP networking layer to existing POS and fiscal cash registers solutions in Novitus portfolio.