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Work Background
BNY MellonTech Leader / Group Manager
Apr. 2022Wrocław, Woj. Dolnośląskie, PolskaWorked on enterprise strategic electronic signature and document exchange platform. Acted as Technical Owner, reviewed and coordinated implementation of requested features from globally distributed product teams. Automated existing paper workflows (such as Blackrock investment fund forms) using Adobe Webform API. Design and implemented webform postprocessing logic and integrated with existing back-office systems (mainframes). Co-operated with the Adobe product team. Designed and requested new functionalities, and reviewed existing features and the e-Sign API. Lead implementation of a template editor (based on Froala library). Enhanced the editor with legal contracts builder and integrated with enterprise customer reference data systems Performed regular technology upgrades ( Spring, Angular etc) Technologies: Java 17+, Spring 6, Spring Boot 3, REST, Microservices, Docker/Private Cloud, Hazelcast, Kafka, Angular , Froala Editor, Oracle, Splunk
UBS Java Microservices & Cloud Tech Leader, Manager
Apr. 2021 - Mar. 2022Wrocław, Woj. Dolnośląskie, PolskaWorked in the Finance Technology team within Finance, Risk and Analytics Service (FRAS) Technology. Responsible for the Poland organization located in Kraków and Wrocław. Worked on global sign-off system for UBS senior-level managing directors and board members to ensure the bank’s compliance to various regulatory demands, especially Basel III. The system became part of massive multitenant platform built with spring reactive microservices and event-based architecture deployed on Azure cloud. Designed and led the implementation of reusable components and microservices that could be deployed to multiple tenants. Followed Domain-Driven Design. Guided the design of architectural solutions to address business requirements Supported the creation of the product roadmap. Developed technology road map and owned the implementation. Acted as a coach for the development teams on all aspects of good software craftsmanship and clean code. Successfully implemented BDD, and put high-quality standards. Ensured the number of bugs and issues were very low with no regressions. Technology: Azure Cloud, Webflux, Spring reactive microservices, DDD, Kafka/Event hub, React, microfrontends, websockets
BNY MellonSenior Development Manager
Nov. 2017 - Apr. 2021Manager and functional leader for up to 20 people in Poland and India Successfully delivered a few million-dollars projects for Asset Servicing (Trust and Depositary), which enabled the customer to run detailed cash monitoring for their highly regulated environment. Assured all features were tested in detail, which resulted in no incidents in Prod env and very positive feedback from the customers. Inspired team members to bring new innovative ideas. All items were build using the latest technology such as Angular6-8/Web components, micro-services, Java/Spring 2, Private Cloud/docker. Ran PoC research with Amazon AWS Infrastructure, Kafka/KSQL/Event Sourcing. Monitored delivery of end results, handled day-to-day staff management issues, including resource management and allocation of work within the team/project Defined standards and clear processes for the DevOps engineers to automate the code pipeline, which improved development efficiency.
Ensured system infrastructure is functioning and working efficiently by advocating automated e2e tests.
IBMSolution Architect | Tech Leader
Aug. 2012 - Nov. 2017Wrocław, Dolnośląskie, PolandSolution architect for IBM global application availability and performance monitoring.
Built from scratch and certified new greenfield monitoring platform for IBM critical top systems (such as billing, CRM, trading), where single hour of downtime brings million dollars loss.
Worked directly with senior managers, executives and directors on real-time, 24x7, incident management dashboards. Gathered requirements and prototyped the components.
Developed concepts and pilots using leading-edge technology such as Angular.JS, REST, JEE, Websphere Liberty, Docker. Designed the infrastructure based on SoftLayer/IBM cloud. Designed and maintained the data models and systems integration.
BigData evolution: successfully researched and designed migration capabilities to BigData components such as Kafka, Cassandra
NokiaSystem Architect
Sep. 2011 - Aug. 2012Wrocław, Dolnośląskie, PolandDesigned billing and licensing subsystems for the new OSS architecture (based on internal ESB and JEE subsystems)
As a member of the architecture board took part in the common API specification and included the necessary licensing features
Worked directly with the customers – the operators like T-Mobile or Teliasonera. Evaluated any new requirements gathered by the Product Owner.
Took part in the implementation of the most critical components such as billing engine and charging strategies using JEE/EJB 3.0 and many design patterns such as Template Method.
Many Telco standards had to be supported (Core, 2G, 3G, 4G -LTE) which brought huge complexity on the message flows and the internal communication. Prepared a number of documents and diagrams explaining for the developers the way the application should be implemented.
NokiaApplication Architect
Jun. 2011 - Aug. 2011Lead architect for research and upgrade of NSN critical Optical Network planning tool
Prototyped Object Oriented Database (ObjectDB) integration using automatic code enhancement
The goal of this short project was to provide a central database integration with a legacy Eclipse RC desktop-based tool were data was serialized locally into a text file.
NokiaSystem Engineer /Application Architect
May. 2010 - Jun. 2011Wrocław, Dolnośląskie, PolandDesign and development of the next generation Telco call control platform
Technical lead for a team of software developers and testers
As a member of the platform architecture team, influenced the final specification and overall solution architecture Worked closely with the Product Owner to clarify and specify new features
Based on CAMEL (CAP) scenarios designed flows of messages and components structure. Worked using DIAMETER and SS7 resource adapters. Prototyped new custom resource adapters for the JAIN SLEE application engine.
NokiaSystem Architect | System Engineer
Nov. 2008 - May. 2010Wrocław, Dolnośląskie, PolandResearch and execution of Proof of Technologies and Proof of Concepts got Telco OLTP and OLAP databases and application servers used for ISP users records and charging
Prototyping an in-memory alternative solution for the existing OLTP core database The old expensive solution based on storage array with many hard-drives, supporting very demanding throughput (up to 10-20K transactions per second), was replaced with MySQL NDB – an in-memory database.
Architecture renewal of the x-large terabyte OLAP Worked on terabytes-large database storing call history data for millions of customers (up to 100M). Instead of large two-node cluster, designed a farm of small shards. Prototyped the concept on MySQL InnoDB engine (instead of Oracle cluster).
JPMorgan Chase & Co.Consultant / Software Developer
Apr. 2007 - Oct. 2008Glasgow, Scotland, United KingdomDeveloped real-time financial trading systems for Prime Brokerage line of business (Interest Rates Derivatives – IRD). The system included auto-trading functionality and required constant changes and improvements dictated by the front-office needs. Developed a multithreaded engine in Java/Spring.
Liaised directly with business clients to formulate requirements. The work was based on short iterations, prototyping and frequent feedbacks.
JJPeople/ Changing Worlds LtdConsultant / Software Engineer
Sep. 2006 - Mar. 2007London / Glasgow
Human DialogSoftware Engineer
Mar. 2005 - Mar. 2006Wrocław, Dolnośląskie, Poland
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