I’m a Senior Software Engineer with a strong focus on cybersecurity, identity, and access management (IAM), currently working at 1Password on systems that protect authentication, authorization, secrets, and user trust at scale.
Experience
Austin, Texas, United States
Led high-impact initiatives across identity, access management, secrets management, and security infrastructure, building systems that protect authentication, authorization, and sensitive data at scale in a zero-trust environment.
Designed and built identity and access management (IAM) systems, including SCIM-compliant provisioning, lifecycle automation, and fine-grained authorization models powering enterprise integrations with external Identity Providers.
Played a key role in the design and adoption of Service Accounts, driving 35% growth in secure automation usage across CI/CD and cloud-native environments.
Architected fine-grained access control using Object-Data Access (ODA/OD) models, enabling secure permissioning across distributed systems while enforcing least-privilege principles.
Designed and implemented end-to-end encrypted (E2EE) services, leveraging symmetric and asymmetric cryptography, hashing, key derivation, and the Noise Protocol to secure data and transport layers.
Led work on secrets management and secure credential handling, including secure storage, access enforcement, rotation workflows, and service-to-service authentication for cloud-native and CI/CD environments.
Delivered Confidential Computing solutions using AWS Nitro Enclaves, contributing to zero-trust architecture initiatives and secure workload isolation.
Built and operated security-critical distributed systems in Go, optimized for high throughput, fault tolerance, and reliability using Go’s native concurrency primitives.
Contributed to security-focused developer tooling such as the 1Password CLI, Connect Server, and integrations enabling secure secrets usage across cloud-native and CI/CD pipelines (1Password Terraform Provider, Kubernetes Operator, Helm Charts, Pulumi Provider, SDKs)
2021 — 2022
Lviv, Ukraine
Contributed to the design and development of a greenfield SaaS platform, taking the product from early concept to production by building scalable backend services, cloud infrastructure, and developer workflows.
Designed and implemented a microservices-based architecture, translating business requirements into reliable, production-ready systems.
Built and operated backend services using Node.js, backed by PostgreSQL and message queues, with a focus on reliability and scalability.
Introduced and maintained CI/CD pipelines, enabling automated testing, deployment, and safer iteration across services.
Worked across the stack — backend services, APIs, and supporting infrastructure — gaining hands-on experience with cloud-native system design on AWS.
Collaborated closely with product and engineering stakeholders in a fast-moving startup environment, developing strong ownership and system-level thinking.
2018 — 2021
Lviv
I worked as a full-stack developer at ELEKS.
Our customer is the largest delivery company in the UK. We help to improve their business by providing more new applications and solutions.
In 2019 I was leading a brand new project. The technology stack was React Native, Express.js, Firebase, Google Cloud Platform (Cloud SQL, Pub/Sub). I worked on the frontend and backend parts along with 2 frontend developers and 2 QA and 1 QA automation engineers.
This app improved the reliability of the delivery service.
In 2020 I worked as the backend developer on another one project along with 10+ frontend and 5 backend developers. The technology stack as usual Express.js, Google cloud platform (Spanner, GAE, CF, Pub/Sub).
I took part in the development of key services in the client's infrastructure which allowed us to increase the company's revenue up to 40% in 2020.
2017 — 2018
Lviv, Ukraine
I worked in the health care area where I developed a mobile application and backend for it. It was used by several clinics in the USA.
I was a part of the team that developed a mobile banking application for one of the largest companies in Europe which offers hardware and software for the banks.
2016 — 2018
Lviv, Ukraine
I have a role of a full stack engineer.
I took part in a several small projects, and worked with several startups, on long term bases.
Education
2009 — 2014
Kriviy Rih National University
Master's degree
2009 — 2014