Dynatrace

Senior Product Architect

Principal Software Engineer & Product Owner

March 2020 - ...
The first developer on the greenfield IAM (Identity and Access Management) framework. Working on a generic solution for ABAC(attribute based access control) fine grained authorization designed to cover all of the Dynatrace functionality in the end. Took up the role of Product Owner after a couple of months working on initial technical architecture and infrastructure. Still actively participating in development of crucial functionalities.

Tech stack:
Java 8/11,  AWS, Kubernetes (AWS EKS), ECS, RDS - Postgres, Docker, Helm, CloudFormation, Dropwizard, Spring Boot, Spring Cloud Gateway, Webflux, Websockets, Rest

June 2018 - March 2020

Working on the greenfield project aimed at improving Dynatrace user experience of authentication and authorization. Creating completely new inhouse SSO implementation in AWS Cloud. Working fullstack on implementation of authentication protocols, identity management and fully automated AWS cloud infrastructure making it a highly available, scalable and secure solution.  Integrating many service providers with new solution. 

Tech stack: Java 8, Jersey, Jetty, Swagger, RestAssured, OpenSaml, Jdbi,  AWS S3, VPC, EC2, ECS(Fargate), Route53, CodeDeploy, CloudFormation, RDS

Senior Software Engineer

EPAM Systems

Lead Software Engineer

Kainos

(XII 2016 - XI 2017) London, UK
Acting as a Technical Architect for the Identity and Access Management (IDAM)
solution in the Common Platform Programme (CPP) of the British Ministry of Justice.
Serving as a technical expert within the agile team during the development of new
features, scaling solution so that it’s able to handle growing number of users and
adding new services.

(XII 2015 – XI 2016) London, UK
I work on the Identity and Access Management (IDAM) solution in thr Common
Platform Programme (CPP) of the British Ministry of Justice. I work on a new
version of the IDAM project. I am one of the developers in the agile team. I
design and develop a solution serving as an IAM gateway for all of the services in
CPP.

Technology Stack:
Dropwizard, Java 8, ActiveMQ, Groovy, Maven, RestAssured, Angular,
Protractor, Jenkins, Docker, Vagrant, Microservices architecture, Forgerock
stack: OpenAM, OpenDJ, OpenIG, OpenIDM; Azure, Ansible;

(V 2015 – XII 2015) London, UK
I work on User Information Service (UIS) of Common Platform Programme in the
British Ministry of Justice. I have been working on this project from an early Alpha
stage as one of the members of a scrum team. I contributed to the transformation
of the UIS project into CQRS architecture. I participate in development and design of 
Drools business rules engine of common platform access control library.

Technology Stack: 
Java 8, Dropwizard, Wildfly, Maven, PostgreSql, OpenLDAP, Rest, Drools,
Camel, Spring, Ansible, CentOS

(V 2014 – IV 2015) Reading, UK
I work on DEFRA CAP Project – one of the GDS exemplar projects of UK
Government. I am a Senior Software Engineer in a scrum team and work on all
parts of the project: backend, frontend as well as infrastructure bits.

Technology Stack: 
Dropwizard, Java, SBT, Spring Data, REST API, Play Framework, Oracle,
Liquibase, AngularJS, RequireJS, Karma, Jasmine, Guice

Atos

- Development and maintenance of legacy BPM project for Orange (Java EE,
Weblogic, Spring, EJB 3.0, Oracle PL/SQL, JavaScript, XSLT), design and implementation of new features, maintenance, performance optimizations, code reviews, bugfixing.
- Development of measurement platform, creating flows and rules for decision making in telecommunication measurements. Technologies: Java, Spring, Drools, Guvnor, Drools Flow.
- Development of mobile application for telecommunication installation technicians. Technologies:
Java, Tomcat, KnockoutJS, RequireJS, JQuery Mobile, Apache Camel, ActiveMQ, Hazelcast, REST.
- Team leader of a small development team(2 ~ 3 devs) responsible for a backlog of maintenance issues (functional inconsistencies, performance issues). Coordinating efforts, reporting to stakeholders.

Software Engineer

Commerzbank AG

Java Developer - contractor

Xicor Suisse AG

Remote part-time job. I was a member of a distributed international team.
Development of an innovative derivatives trading platform.
Development, bugfixing, requirement analysis, change requests, performance optimizations. 
Technologies: low latency Java, Jboss Netty, ZeroMQ, Jackson, MongoDB, PostgreSQL.

Java Developer - freelancer

Sygnity

- Development and maintenance of the J2EE integration module integrating CRM and
Operational Support Systems for telecommunication company - Orange. Technologies: EJB, JMS, Weblogic, Oracle.
- Development of BPM project for telecommunication operator - Sferia. Technologies: Tibco General Interface, Java, Tomcat.
- Development of Centralized Provisioning Layer for telecommunication operator - Era - project based on Tibco solutions.
- Development of ZMOKU web application for business process management in the Polish Ministry of Interior and Administration. Technologies : Java, Hibernate, Spring, JSP, PostgreSQL, Tomcat, EasyMock.

Implementation Specialist / Software Engineer

Centertel

- Feasibility study,
- cooperation with software vendors,
- analysis and optimization of business processes,
- learning fundamentals of preparing high level designs.

IT Analyst - Intern

Senior Software Engineer specialising in Java and JVM ecosystem. Experienced in telecommunication, public and financial sector. 

During my career I have contributed to the projects of various types and scales: business process management systems, typical web applications, integration components and trading platforms. I have worked in many different environments like startup, medium size company, Investment Bank and one of the biggest IT corporations. 

I strive to continuously widen my technical expertise in architectures and best practices in software development. I am experienced with monolithic as well as microservices architectures. I am a fast learner of new technologies, capable of understanding intricate aspects of them and problem solving. I follow CI, CD and DevOps principles.

Taplio

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