Pawel Jasinski
Verified Expert in Engineering
Software Developer
London, United Kingdom
Toptal member since May 12, 2021
Paweł is a software engineer with over a decade of experience working for a range of companies including innovative global leaders in 5G, networks, and phones like Nokia. He’s an expert in LTE and other mobile communication standards. Paweł is passionate about programming, system design, and sharpening his skills in algorithmic task solving and competitive programming competitions. On any project, you can trust Paweł to deliver quality code and improve the codebase.
Portfolio
Experience
Availability
Preferred Environment
Vim Text Editor, IntelliJ IDEA, Zsh, Git, Unix
The most amazing...
...project that I've been responsible for was ANR (the automatic-neighbor-relation solution) when I worked for Nokia.
Work Experience
Senior Software Engineer
Funding Circle
- Developed a new distributed system called GPO (global platform for originations) using Clojure, Kafka, and Ruby; it was built entirely on AWS.
- Built the Decisioning Engine—a real-time decision stateless application—using Kafka, Clojure, Clara Rules, Cucumber.
- Introduced Confluent connectors and the first GPO feedback loop with Salesforce.
- Added Prometheus metrics and Grafana dashboards for GPO apps and deployments.
- Configured PagerDuty using Terraform and integrated it with HB and Prometheus.
- Implemented data scraping and added several formats for a bank statement Ruby application and a financial statement Ruby app.
- Worked on the Go service responsible for the Conflence connectors and Kafka consumer monitoring.
Senior Software Engineer
Amdocs
- Developed a wireless communication analyzer (LTE-Advanced, VoLTE, WiFi,. SIP, TCP/IP, Qualcomm, Samsung, and Hisilicon).
- Implemented end-to-end call traces based on the UE and S-Gateway Logs.
- Adopted the monolithic Actix Analyzer to run in Docker to enable the cloud deployment of ActixOne.
- Written decoders for several different data vendors/data type formats. Work included very complicated nested protocols decode (RRC) or advanced data scraping.
- Helped to incubate new applications and prepared the Java or Go application seeds, Kubernetes deployments, Dockerfiles, and CI/CD pipelines.
Software Engineer
Nokia
- Worked on the C-plane (signaling) layer of eNB (LTE technology).
- Designed and implemented automatic-neighbor-relation and few other SON solutions.
- Developed and designed the RRC Connection Reconfiguration message and all scenarios that required sending that message.
- Designed and built the LTE inter-RAT handover functionality.
DevOps Engineer
Nokia
- Worked as the DevOps engineer in the Nokia central configuration team.
- Built a new CI pipeline for WCDMA and LTE software building and testing.
- Created a set of new Python scripts responsible for building a software update package.
- Composed a set of new Python scripts responsible for the software update package testing on the physical test 3G lab network including the recovery script after fatal update errors.
- Developed a set of new Python scripts responsible for the broadcast email communication to various teams about the live lab network tests and release updates.
Experience
ActixOne
Actix Analyzer
Actix Analyzer supports all major drive test equipment available. This unique position means engineers can analyze their data wherever it comes from. The data is normalized, so the same analysis works across different data sources.
Self-organizing Networks (SON)
https://en.wikipedia.org/wiki/Self-organizing_networkTogether with the team, we were responsible for a large part of the LTE SON solution at Nokia including the complete automatic-neighbor-relation (ANR) detection solution.
Education
Master's Degree in Computer Science
Wrocław University of Science and Technology - Wroclaw, Poland
Skills
Tools
Vim Text Editor, Git, Kafka Streams, Jenkins, Amazon Athena, Apache Avro, IntelliJ IDEA, Zsh, RabbitMQ, Docker Compose, Jira, Confluence, eMake, cURL Command Line Tool
Languages
C++, Python, HTML, XML, Java, Clojure, SQL, Go, Perl, Ruby, C++14, CSS
Paradigms
Object-oriented Programming (OOP), Agile, DevOps
Platforms
Unix, Docker, Apache Kafka, Kubernetes, Amazon Web Services (AWS)
Storage
Amazon S3 (AWS S3), MySQL, PostgreSQL, MariaDB
Frameworks
Ruby on Rails 5, Google Test, Ruby on Rails (RoR)
Other
Long-term Evolution (LTE), 5G Development, Session Initiation Protocol (SIP), Mathematics, Algorithms, Optimization, CI/CD Pipelines, WiFi Development, RTP, HTML Email, Email Templates, Data Science, Data Scraping, RRC, HTML Templates, Integration, APIs, Data
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