Grzegorz Jakub Abramczyk

Summary

I am IT enthusiast and I'm looking for opportunities to apply my passion to a maximum effect.I work with well others, sometimes leading, sometimes following, teaching and learning at the same time.I look for challenges, chances to overcome difficult problems and to make impact. I adapt quickly and pride myself on the ability to get work done.

My primary area of expertise is Java and JEE, but I am also proficient web technologies and solution design, familiar with database development, requirement gathering and testing. I have some experience in leading technical teams and I am looking for a chance to enhance my leadership skills. I am mastering JavaScript development and learning Cloud technologies. I worked on many projects building custom solutions for various clients and collaborated with international and distributed teams.
https://www.linkedin.com/in/abramczykg
https://github.com/AGrzes

Positions

IT Architect

2017-10 Tuatara
I'm designing and implementing solutions for Tuatara clients.

Senior Software Engineer

2017-05 2017-10 F5 Networks
Java developer, docker expert, DevOps implementer from the Dev side.

IT Specialist

2009-07 2017-04 IBM Polska Sp. z o.o.
I'm working in IBM GBS building custom solutions for clients. Leading development teams, setting technical direction, planing and managing work, designing and developing solutions.

Junior Developer (Paid Intern)

2007-09 2009-06 IBM Polska Sp. z o.o.
I joined IBM GBS during studies and worked as a developer in teams building custom solutions for multiple clients.

Projects

API Connect

2018-05 Polish Bank

Implementation of IBM API Connect product and creation of PSD2 related APIs.

I'm helping the client to implement IBM API Connect in support of PSD2 directive. I'm working on functional architecture and establishing API delivery processes and tools. 

Alior - API Connect

2017-10 2018-04 Alior Bank

Implementation of IBM API Connect product and creation of PSD2 related API.

I documented and helped to define solution architecture. I designed and implemented approach to API security. I defined standards and lead implementation of PSD2 APIs. I devised and implemented framework to test API Connect APIs. I prepared development documentation and delivered training to the client's team.

Blue

2017-09 2017-10  

Building next generation cloud-native ADC.

I educated my team about container technologies, set up demonstration OpenShift cluster and helped to set up DevOps delivery pipeline.

TMOS Independence

2017-05 2017-08  

Refactoring of internals of REST platform and modernization of delivery pipeline.

I replaced home-brew socket layer with Apache HttpClient and improved build system to use Artifactory and Ivy to mange third party dependencies.

eAKTE

2016-07 2017-04 Public Employment Service Austria (AMS)

Migration legacy document management system to IBM FileNet

I implemented part of the document migration process.

ibank v2

2016-04 2016-06 USB BANK PLC.

Rewrite of the Internet banking application to make use of modern technologies.

I implemented several functional areas across all application layers.

ESBCE

2015-12 2016-04 Metlife

Implementation of the integration bus connecting single front-end system to back-ends across central Europe.

I implemented front-end adapter and country-routing logic. I set up CI server for the development team and prepared automatic integration tests.

P1

2013-01 2015-09 Centrum Systemów Informacyjnych Ochrony Zdrowia

Implementation of Document Verification System as a part of establishing nation wide medical document processing and automation system

I designed internal logic of Document Verification System. I organized and lead development team through successful delivery of several phases of project. I managed communication with our client on technical level and represented our system in integration discussion.

Green eMotion

2012-05 2015-03 European Commission

Implementation of service marketplace prototype allowing project partners across Europe to integrate their IT systems around electro-mobility. Implementation of additional prototype applications in the area of  the electro-mobility.

I contributed to the marketplace design by preparing detailed gap analysis between requirements and WebSphere Commerce package. I remodeled WebSphere Commerce commerce storefront to match Green eMotion theme. I implemented required changes in registration, checkout and account management flows. I implemented service gateway based on IBM BPM. I supported release of the marketplace prototype and eventually took over cloud infrastructure management. I designed and developed significant portion of Driver Portal prototype application and lead development of Network Operator Portal prototype application. I worked in distributed team with coworkers across the globe.

eTax

2013-07 2014-04 Ministry of Finance

Development of central meta-data management system for tax administration

I designed application part of the solution and helped to design database part. I formed and lead development team, provided guaidance, technical direction and solved technical problems with performance.

eSHOP Logowanie

2012-10 2013-01 Polkomtel S.A

Elimination of login requirement in checkout flow in WebSphere Commerce based store.

I developed, tested and packaged required changes. I supported functional tests and production deployment. I diagnosed performance problem.

PL.ID

2011-09 2012-03 MSWiA

Development of the core parts of central registry system for polish government

I implemented several major features, for the core registries and identity synchronization. I performed wide refactoring of code base, prepared automatic functional and performance tests and documented significant part of the system.

COK

2011-09 2011-12 PZU S.A

Implementation of FileNet for an insurance company

I integrated Oracle BI Publisher into the solution and to prepared templates for document printing.

eSHOP 2 maintenance

2010-11 2011-08 Polkomtel S.A

WebSphere Commerce Entrprise V6 based store maintenance

I investigated and fixed production issues. I performed migration of source code from CSV to RTC.

Zgoda A534

2011-03 2011-08 ITI

Implementation of enterprise wide customer consents gathering in WebSphere Commerce based store.

I gathered requirements, prepared and confirmed design with client and lead implementation of required changes.

eSHOP 2 R1

2011-01 2011-07 Polkomtel S.A

Improvement of WebSphere Commerce Enterprise V6 based store for major mobile operator

I implemented several significant features from design, throughout coding to testing and supporting release.

Cube3

2010-09 2010-11 MSWiA

Implementation of system of government registers.

I performed major refactoring of code-base, maintained sat of business rules in ILOG JRules and prepared some utility model to model transformations in Rational Software Architect.

Blue Vanilla

2010-07 2010-08 ITI

Implementation of new version Siebel CRM and Websphere ESB for digital television operator.

I tested the database migration and written scripts to automate this task.

ESHOP phase 2

2009-04 2010-07 Polkomtel S.A

Improvement of WebSphere Commerce Enterprise V6 based store for major mobile operator

I prepared draft of some Use Cases, participated in requirement meetings and updated design documentation. I implemented checkout flow, order status engine and administrative console enhancements. I supported tests and release of solution. 

CUBE2

2009-12 2010-01 MSWiA

Modernization of Polish citizens database

I implemented BIRT reporting engine for document generation.

CERSIM

2009-04 2009-10 Postal Service

Troubleshooting and support of sorting facility simulator.

I was tasked with helping the Siman V expert with code analysis and fixing bugs.

BRE Valuta Direct

2008-07 2009-07 BRE Bank

Implementation of currency trading solution based on Valuta-Direct® and integration with existing infrastructure.

I implemented of two data migration and synchronization modules from design, through development, to testing and documenting them.

ESHOP maintenance

2008-07 2008-12 Polkomtel S.A

WebSphere Commerce Enterprise V6 based store maintenance

I investigated and fixed production issues.

ESHOP

2007-09 2008-06 Polkomtel S.A

Implementation of WebSphere Commerce Enterprise V6 for major mobile operator.

I did front-end development, both for client facing and administrative pages. I did functional and automatic performance tests.

Education

  • MSc, Computer Science Faculty of Mathematics and Information Science, Warsaw University of Technology
    2009

Courses

2009-09 Architectural Thinking SIMT2G
2009-09 Foundation Consulting Programme GBS2427
2010-12 IBM WebSphere Application Server V7 Administration on Windows WA370G
2011-10 Project Management Fundamentals PM10G
2014-07 IBM Unified Method Framework for TI Professionals Workshop TIWSBX
2016-11 Technical Leader in You TLYG0001

Certificates

2011-07 IBM Certified System Administrator - WebSphere Application Server Network Deployment V7.0 IBM Professional Certification Program
2012-09 Oracle Certified Associate, Java SE 7 Programmer Oracle Certification Program
2012-12 Oracle Certified Professional Java SE 7 Programmer Oracle Certification Program
2013-10 Actualizing IT Solutions Capability - Experience Level/L1 IT Specialist Professions
2016-01 Oracle Certified Professional, Java SE 8 Programmer Oracle Certification Program
2016-03 Actualizing IT Solutions Capability - Expert Level (Level 2 Certification) IT Specialist Professions
2016-04 IBM Certified Developer - WebSphere Application Server Developer Tools V8.5 with Liberty Profile IBM Professional Certification Program
2016-06 IBM Certified System Administrator - WebSphere Application Server Network Deployment V8.5.5 and Liberty Profile IBM Professional Certification Program
2016-08 IBM Certified Application Developer - Cloud Platform V1 IBM Professional Certification Program
2016-10 IBM Certified Solution Advisor - Cloud Reference Architecture V5 IBM Professional Certification Program
2017-02 IBM Certified Solutions Specialist - Rational Team Concert V6 IBM Professional Certification Program
2017-04 IBM Certified Solution Advisor - DevOps V1 IBM Professional Certification Program
2017-04 IBM Certified Advanced Application Developer - Cloud Platform V1 IBM Professional Certification Program
2018-03 IBM Certified Solution Implementer - API Connect V5.0.5 IBM Professional Certification Program
2019-03 IBM Certified Solution Implementer - DataPower Gateway v7 IBM Professional Certification Program

Languages

English Fluent
Polish Native