SLAWOMIR WEGRZYN
Senior Software Engineer
Houston,TX
Summary
Key competencies: Architecture - 3 years, Team lead - 2 years, Consulting (Pub. sector, Insurance, Finance, Workflow) - 15 years, Ecommerce - 2 years
Results-oriented and innovative Senior Software Engineer with 20 years of experience. Software development professional with comprehensive background in building scalable, high-quality software applications. Known for delivering impactful projects and driving continuous improvement. Team-oriented and results-driven, with strong ability to adapt to changing requirements and priorities. Proficient in programming languages and software development methodologies.
Easily communicates complex technical requirements to non-technical stakeholders. Leadership record of leading development teams in enterprise-wide development projects. Trusted Senior Software Engineer specializing in backend software for enterprise customers. Remains consistently abreast of cutting-edge development and technology advancements. Committed to providing solutions positioned at industry's forefront.
Overview
16
16
years of professional experience
6
6
years of post-secondary education
1
1
Certification
4
4
Languages
Work History
Senior Software Engineer
ITC Infotech
Houston / Remote, TX
10.2021 - Current
- Projects: Investments management system / reporting module, administration module.
- Environment: Java, Spring, SQL, Ignite, Azure DevOps, REST, GRPC, Maven.
- Completing requirements, implementing functionalities, maintaining code, fixing bugs, updating CI/CD pipelines.
- Enhanced software functionality by identifying and resolving complex technical issues.
- Mentored junior developers, fostering professional growth and enhancing team productivity.
- Developed scalable applications using agile methodologies for timely project delivery.
- Managed multiple projects simultaneously while maintaining strict deadlines and high-quality standards.
- Maintained comprehensive documentation of development work, facilitating knowledge sharing among team members.
- Regularly reviewed peers'' code contributions, offering constructive feedback to enhance overall product quality.
- Proactively identified areas for process improvement, implementing changes that led to significant time savings for the team.
- Delivered exceptional client support by promptly addressing concerns and implementing requested changes or enhancements to software solutions.
- Tested methodology with writing and execution of test plans, debugging and testing scripts and tools.
Senior Software Engineer
EPAM Systems
Houston / Remote, TX
08.2019 - 09.2021
- Projects: System for oil fields data management.
- Environment: Scala, Akka, ScalaTest, Go, GCP (Kubernetes, Memstore, BigQuery), Azure DevOps, REST, GRPC, SBT.
- Implementing functionalities, maintaining code, fixing bugs, updating build pipelines.
- Collaborated with cross-functional teams to design innovative software solutions.
- Streamlined development workflows to increase team efficiency and reduce time spent on repetitive tasks.
- Analyzed proposed technical solutions based on customer requirements.
Senior Software Engineer, Contractor
GFT Poland
Warsaw, Poland, Mazowieckie
09.2016 - 04.2019
- Projects: Collateral processing system adapter for new GUI, Trades processing system - integrating data sources with analytic DB.
- Environment: Java, JUnit, Sonar, Kafka, Samza, Docker, REST, Swagger, Scala, Akka, AWS, Play, Ansible, SBT, KDB, Q, JDBC, Hadoop, Vagrant, IBM UDeploy.
- Implementing module for Swagger documentation generation then exported to Confluence.
- Packaged as Docker image and run on AWS platform.
- Implementing Kafka tasks with code of joining streams.
- Preparing SQL queries for input data sources, implementing integration with different company's systems.
- Implementing Q functions for data processing.
- Extending and maintaining deployment scripts for Dev Ops and local testing (Docker/Bash).
Lead Engineer
Cyfrowy Polsat S.A.
Warsaw, Poland, Mazowieckie
05.2015 - 08.2016
- Hands-on development and overall work organization.
- Projects: System for organizational structure maintenance.
- Environment: Java, Spring, JPA, JDBC, JAXB, JUnit, Tomcat, JBoss, CXF, SQL Server, Maven, Ant, Sonar.
Application Architect
Cyfrowy Polsat S.A.
Warsaw, Poland, Mazowieckie
06.2014 - 04.2015
- Project: System for organizational structure maintenance.
- Championed the use of automated deployment tools for faster and more reliable application releases.
- Analyzed system requirements to develop accurate project estimates, ensuring proper resource allocation for successful completion.
- Established best practices for coding standards within the team, resulting in more consistent code quality across projects.
- Streamlined communication among team members through effective use of Agile methodologies and tools.
- Streamlined codebase through regular refactoring efforts, improving maintainability and reducing technical debt over time.
- Provided technical expertise during project planning stages, contributing valuable input on technology selection and implementation strategies.
Software Developer
Cyfrowy Polsat S.A.
Warsaw, Poland, Mazowieckie
07.2012 - 05.2014
- Project: HR application for periodic employees' appraisal.
- Enhanced user experience through designing and implementing user-friendly interfaces.
- Mentored junior developers to improve their technical skills, fostering a culture of continuous learning within the team.
Software Developer
Atos
Warsaw, Poland, Mazowieckie
05.2012 - 07.2012
- Project: Integration platform for telecom.
Application Developer
Bravura Solutions
Warsaw, Poland, Mazowieckie
10.2011 - 04.2012
- Project: Transfer Agent WEB application.
Specialists of IT Technologies
Leroy Merlin Sp. z o.o.
Warsaw, Poland, Mazowieckie
05.2009 - 09.2011
- Project: Implementation of integration platform for E-commerce application.
- Collaborated with cross-functional teams to achieve project goals on time and within budget.
- Improved customer satisfaction rates through proactive problem-solving and efficient complaint resolution.
- Negotiated with suppliers to reduce service costs, improving profit margins.
Education
Master of Science - Faculty Electronics
Warsaw University of Technology
Warsaw, Poland 02.1999 - 06.2004
Some College (No Degree) - Information Systems Management
Warsaw School of Economics
Warsaw, Poland 09.2008 - 06.2009
Skills
Java SE/EE
Scala
SQL/TSQL
Spring / EJB
Containerization
Agile
Database programming
Software development
Microservices architecture
Certification
Sun: SCJP/SCBCD/SCEA, 01/01/06, 12/31/08
Cloud
GCP
Training
- Writing Queries Using Microsoft SQL Server 2008 Transact - SQL
- Maintaining a Microsoft SQL Server 2008 Database
- Implementing a Microsoft SQL Server 2008 Database
- Implementing and Maintaining Microsoft SQL Server 2008 Analysis Services
- Implementing and Maintaining Microsoft SQL Server 2008 Integration Services
- Implementing and Maintaining Microsoft SQL Server 2008 Reporting Services
- Developing Business Process and Integration Solutions Using Microsoft BizTalk Server 2006
- Coursera: Functional Programming Principles in Scala (Scala 2 version)
- Coursera: Neural Networks and Deep Learning
- Coursera: Google Cloud Fundamentals: Core Infrastructure
- Coursera: Essential Google Cloud Infrastructure: Foundation
- Coursera: Essential Google Cloud Infrastructure: Core Services
- Coursera: Elastic Google Cloud Infrastructure: Scaling and Automation
Personal Information
Residency: Green Card
Timeline
Senior Software Engineer
ITC Infotech
10.2021 - Current
Senior Software Engineer
EPAM Systems
08.2019 - 09.2021
Senior Software Engineer, Contractor
GFT Poland
09.2016 - 04.2019
Lead Engineer
Cyfrowy Polsat S.A.
05.2015 - 08.2016
Application Architect
Cyfrowy Polsat S.A.
06.2014 - 04.2015
Software Developer
Cyfrowy Polsat S.A.
07.2012 - 05.2014
Software Developer
Atos
05.2012 - 07.2012
Application Developer
Bravura Solutions
10.2011 - 04.2012
Specialists of IT Technologies
Leroy Merlin Sp. z o.o.
05.2009 - 09.2011
Some College (No Degree) - Information Systems Management
Warsaw School of Economics
09.2008 - 06.2009
Master of Science - Faculty Electronics
Warsaw University of Technology
02.1999 - 06.2004
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