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I am a software QA/engineer with 10+ years of experience in IT and 4+ years of hands-on backend development. I enjoy building robust backend services, automation, and reliable systems. I have shipped Kubernetes-based products, worked on building and testing backend services and APIs, and supported production systems through strong testing practices, observability, and quality-focused engineering.…I am a software QA/engineer with 10+ years of experience in IT and 4+ years of hands-on backend development. I enjoy building robust backend services, automation, and reliable systems. I have shipped Kubernetes-based products, worked on building and testing backend services and APIs, and supported production systems through strong testing practices, observability, and quality-focused engineering.

Tetiana Usova

Full Stack Developer, Web Developer, Back-End Developer, +3

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I am a software QA/engineer with 10+ years of experience in IT and 4+ years of hands-on backend development. I enjoy building robust backend services, automation, and reliable systems. I have shipped Kubernetes-based products, worked on building and testing backend services and APIs, and supported production systems through strong testing practices, observability, and quality-focused engineering.…I am a software QA/engineer with 10+ years of experience in IT and 4+ years of hands-on backend development. I enjoy building robust backend services, automation, and reliable systems. I have shipped Kubernetes-based products, worked on building and testing backend services and APIs, and supported production systems through strong testing practices, observability, and quality-focused engineering.

Available to hire

I am a software QA/engineer with 10+ years of experience in IT and 4+ years of hands-on backend development. I enjoy building robust backend services, automation, and reliable systems.

I have shipped Kubernetes-based products, worked on building and testing backend services and APIs, and supported production systems through strong testing practices, observability, and quality-focused engineering.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Software Engineer II at NGINX(F5)

May 1, 2025 - January 1, 2026

Worked on NGINX Gateway Fabric, an open-source Go implementation of the Kubernetes Gateway API. Implemented AuthenticationFilter and ProxySettingsPolicy to enable declarative configuration via Kubernetes CRDs; developed controller logic to reconcile Gateway API resources into NGINX configuration; contributed to unit and integration tests; participated in code reviews and triage; collaborated with distributed engineering team.

Ruby developer at KitmanLabs

July 1, 2022 - July 1, 2024

Implemented wrappers for third-party APIs providing medical data for athletes; added integrations of wrappers to existing services; implemented backend parts for mobile authentication flows OAuth1 and OAuth2; collaborated across UI to DB; managed data migrations.

Golang backend developer at GETT

January 1, 2021 - June 1, 2022

Designed and developed a new Golang microservice for CO₂ emission calculation with third-party integration; achieved high accuracy per vehicle and low service error rate; authored High-Level Design documents covering architecture, APIs, DB schema, and integrations; built services using Twirp (Protobuf/gRPC) with unit test coverage; maintained and evolved 5 production Golang microservices.

SDET / QA Engineer at GETT

June 1, 2017 - January 1, 2021

Worked closely with product managers and developers throughout feature lifecycles; built and maintained API and UI automation test suites; covered ~95% of API functionality with automated tests; maintained 300+ automated tests running in CI and nightly pipelines; planned test coverage together with developers during feature design.

QA Engineer / Automation / QA Tech Lead at HPE

June 1, 2011 - February 1, 2017

Led testing activities for distributed QA teams across several countries; planned and executed regression and integration testing; designed testing strategies with development teams; built and maintained API and UI automation in Java and C#; awarded “Most Valuable Player” for contributions to HPE NextGen Synchronizer project.