Yauhen Lazurkin

Technical Leader & Software Engineer

Education: Master’s equivalent in Systems Engineering and Artificial Intelligence, BSUIR (German ANABIN evaluated)
Contact: lazurkin@posteo.de | +4915206274585
Location: Hamburg Area or Remote
Languages: English (Advanced), German (Intermediate), Russian (Fluent)

Professional Summary

Hands-on technical leader with 13+ years of software engineering experience across FinTech, Transportation, AdTech, and Telecommunications domains. Core expertise in Java backend development, distributed systems, and DevOps practices including CI/CD pipelines and infrastructure automation. Proven track record of leading complex technical transformations while maintaining significant coding involvement. Combining deep technical knowledge with strong leadership capabilities to drive high-impact projects and mentor engineering teams.

Technical Skills

  • Programming Languages: Java (10+ years), Go (2 years), Python, Scala

  • Cloud Platforms & Services: AWS, Azure

  • Infrastructure: Kubernetes, Docker, Terraform, Helm, Garden

  • API Technologies: GraphQL, OpenAPI, gRPC, SOAP

  • Backend Frameworks: Spring, Hibernate, Dropwizard

  • Business Process Management: Camunda BPM, BPMN 2.0, Apache Airflow

  • Frontend Technologies: HTML, CSS, Less, jQuery, Vue.js, Angular, Vaadin

  • Databases: PostgreSQL, MySQL, MongoDB

  • Message Queues: Kafka, Apache Pulsar, RabbitMQ

  • Authentication & Authorization: Keycloak

  • Monitoring & Logging: Splunk, Prometheus, Grafana, Datadog, Graylog

  • CI/CD: GitLab CI, Jenkins, Maven, Harness

Professional Experience

Independent Consultant | Fintech B2B | Germany

Senior Software Engineer (01.2024 - Present)

  • Collaborated with a team of 5 engineers in migrating 25+ services from on-premise to AWS EKS infrastructure for major B2B financial platform

  • Participated in shaping and executing complex cloud migration strategy

  • Collaborated closely with key B2B partner throughout the migration process

  • Modernized applications for Kubernetes deployment using Docker, Amazon Corretto JDK, Helm, Garden

  • Executed critical infrastructure migrations:

    • Database: Percona DB to AWS RDS
    • Logging: Graylog to Splunk
    • Artifacts: Nexus to JFrog
    • Source control: On-premise GitLab to cloud GitLab
    • Reports generation: Legacy system to AWS MWAA (Managed Workflows for Apache Airflow)

  • Created and adapted CI pipelines for cloud environment; implemeted CD pipelines using Harness

  • Successfully completed migration project within 11-month timeline

Raisin | Fintech B2B | Germany

Engineering Lead (01.2022 - 12.2023)

  • Led a team of up to 14 engineers and 5 B2B channels with overall AuM ~€2B

  • Defined and presented quarterly OKRs (Objectives and Key Results) for the team aligned with company objectives

  • Supported business with strategic decisions on platforms unification

  • Connected B2B API Gateway and several ex-Deposit Solutions channels to new Raisin Platform

  • Created personalized development plans resulting in promotions:

    • 1 senior engineer to staff engineer position
    • 1 QA automation engineer to software engineer position

  • Maintained 30% hands-on coding involvement

Technical Lead Software Engineer (08.2021 - 12.2021)

  • Led post-merger migration project from on-premise data center to AWS Cloud

Deposit Solutions | Fintech B2B, B2C | Germany

Technical Lead Software Engineer (09.2018 - 07.2021)

  • Led 4 different teams with max 6 developers and 2 QAs

  • Successfully delivered more than 10 mid-size projects from initial assessment

  • Established development best practices: merge request guidelines, Git workflow conventions

  • Drove critical performance improvements and process automation with Camunda BPM

  • Collaborated with Deutsche Bank on external API design

  • Participated in architecture committee

  • Led migration from on-premise services to cloud (Azure)

  • Developed unified E2E test suite on GitLab CI

Senior Software Engineer (09.2017 - 09.2018)

  • Built integration testing library for core services using Testcontainers

  • Increased test coverage of core services from 20% to 50% across 100k lines of code

  • Improved performance of operational processes, achieving up to 20x speedup (reducing processing time from 5 minutes to several seconds)

  • Established code review culture

  • Led unification of multi-environmental setup

Earlier Experience

Software Engineer | Juno Lab (acquired by Gett/Lyft) | Transport B2C (2015-2017)

  • Developed and maintained Go-based microservices including discounting engine, ride estimation service with complex geospatial features using PostGIS for toll roads and region management

Software Developer | Adform | AdTech B2B (2015)

  • Developed OpenDirect-compliant services in Scala and integrated with major platforms including Google DoubleClick and CXense

Software Engineer | IBA Group | Enterprise Solutions (2011-2015)

  • Led development of multiple enterprise-level Java applications

  • Implemented big data solutions using Hadoop ecosystem