Andrii Khaisin
akhaisin@gmail.com
+1 (510) 509-5267

Senior Software Engineer with 15+ years across platform engineering, data systems, and developer tooling. Experienced in taking on the infrastructure that quietly unlocks team velocity — CI/CD, build systems, data pipelines, and the automation layer between code and production. Effective as IC, tech lead, and cross-team contributor.

Experience


Senior Data Engineer
March 2023
 — 
April 2025
Clearwater Analytics

Specialized in development tools for financial data transformations

  • Designed and deployed the company's first DBT + Airflow pipeline, establishing the foundation for future ETL workflows on this platform.
  • Designed and implemented successful migration of enterprise Data Warehouse from BigQuery to Snowflake, improving scalability and performance.
  • Built tools for field-level lineage tracking across DBT data models to enhance data governance and debugging capabilities.
Software Engineer
July 2021
 — 
March 2023
Freelance / Nonprofit Projects

Personal projects, freelance, and IT/web development for nonprofit organizations.

  • Developed full-stack web platform and donor database for a nonprofit.
  • Provided IT infrastructure and automation support for a small nonprofit organization.
Software Engineer
July 2019
 — 
June 2021
Google

Engineering Productivity (EngProd) for Android Messages

  • Optimized build/test workflows, reducing the test cycle for the project.
  • Built internal test data generation library, improving coverage and reliability in CI pipelines.
  • Contributed to lightweight RCS server for test infrastructure, reducing external dependencies.
Senior Software Engineer
October 2015
 — 
July 2019
Tailored Brands, Inc (Men's Wearhouse)

Tuxedo rental mobile and web apps engineering

  • Designed and built customer-facing mobile and web apps for tuxedo rental and alterations.
  • Implemented centralized logging and metrics collection, with analytics dashboards for monitoring performance and issues.
  • Introduced configuration-as-code and CI/CD pipelines, reducing deployment failures and improving deployment speed.
Earlier Career
January 2006
 — 
January 2015

Team Lead, Software Engineer, Full-stack developer, QA Tech Lead

  • Engineering and team lead roles (Provectus, Zoral, Ciklum, Luxoft, Exigen, Comodo, Lohika). Lead and executed implementation of payment integrations, mobile point of sale systems, front-end and back-end development, build and testing automation, security certificate management systems, navigation maps compiler, and QA leadership.
Team Lead
November 2012
 — 
September 2015
Provectus

Tuxedo rental apps for Men's Wearhouse (Tailored Brands, Inc)

  • Led development team, design and implementation of web/mobile apps for supporting Men's Wearhouse (Tailored Brands, Inc) tuxedo rental business.
Software Developer
April 2012
 — 
November 2012
Zoral Labs

BMC Footprints, workflow engine engineering (web and backend)

  • Implemented client-side workflow logic to support dynamic behavior in complex web forms.
  • Contributed to backend components enabling flexible task automation within the service desk platform.
Software Developer
February 2011
 — 
March 2012
Ciklum

Financial SaaS for interbank money transfers engineering

  • Migrated build system from Ant to Maven, reducing build complexity and improving dependency management.
  • Deployed and maintained CI infrastructure with Jenkins and Sonar for automated testing and quality control.
  • Built secure integrations to transmit PGP-encrypted SWIFT messages over SFTP/FTPS/SOAP.
Software Developer
September 2010
 — 
February 2011
Luxoft

Navigation Data Standard (NDS) maps compiler development

  • Enhanced route prioritization logic in NDS map compiler, improving output accuracy for navigation systems.
Software Developer
October 2008
 — 
September 2010
Exigen Services

Full-stack development for t-mobile.de portal and Deutsche Bank integrations

  • Built online survey module and admin interface for t-mobile.de web portal.
  • Led design and development of Admin Web interface for t-mobile.de web portal.
  • Integrated SOAP/WS-Security protocols for secure banking services with Deutsche Bank.
Software Developer
July 2008
 — 
October 2008
Comodo

Security certificates manager development

  • Developed automated email notification subsystem for digital certificate life-cycle events.
QA Tech Lead
May 2006
 — 
July 2008
Lohika

QA for Palamida (3rd-party code auditing tool)

  • Led QA activities for Palamida tool-set for auditing 3rd party libraries and frameworks integrated in source code-bases.
  • Led design and implementation of automation test suite for Seriosity Attent (email management tools).
  • Designed and ran a company-wide bootcamp for new QA engineers; trained 40+ employees on Linux, Java, and database fundamentals.
Intern
June 2005
 — 
August 2005
Institute of Nuclear Power Problems

Quality assurance for nuclear reactor fuel reload systems

    Projects


    mefly.dev
    Present
     — 
    Present

    Personal React web applications

    Education


    Odesa National Polytechnic University
    January 2001
     — 
    January 2009
    Bachelor of Science in Computer Technology
    Odesa National Polytechnic University
    January 2001
     — 
    January 2009
    Specialist (Master of Science) in Computer Technology
    Odesa National Polytechnic University
    January 2001
     — 
    January 2009
    Post graduate education in Computer Technology

    Skills


    Programming Languages:
    Python, SQL, Java, Kotlin, C, C++, React, TypeScript
    Build & Dev Productivity:
    Bazel/Blaze, Jenkins, GitLab Pipelines, Gradle, Maven, Sonar
    CI/CD & DevOps:
    Docker, Kubernetes, Terraform, GitOps, AWS, GCP
    Data Engineering:
    DBT, Airflow, Snowflake, BigQuery, Data Warehousing, ETL/ELT, Data Lineage
    Integration & APIs:
    REST, gRPC, OpenAPI/Swagger, GraphQL
    Scripting & Configuration:
    Bash, Jinja2, YAML, JSON, jq/yq