Arsenii

Arsenii Tverdokhlib
Senior Software Engineer (Angular)
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Ukraine, Kyiv

Summary
Senior Software Engineer with over 15 years of experience in enterprise
software development. My career began with C++ desktop systems, followed
by a strategic transition to web technologies in 2015, where I now specialize in
Angular-driven enterprise solutions, with a strong focus on scalability,
maintainability, and accessibility standards. I lead end-to-end feature
development, partnering closely with Product Owners and translating
Core Competencies business needs into scalable, maintainable technical architectures and
high-quality implementations. Certified Scrum Master with a strong Agile
Front-End Architecture mindset and proven cross-functional collaboration skills.
Leadership
Enterprise-Scale Application Latest Experience
Design
Scalable & Maintainable Senior Software Engineer / Front-End Lead Feb 2022 - Present
System Design HILTI
Performance Optimization Front-End Lead within the Software & Services domain, delivering enterprise-
Accessibility Compliance scale solutions supporting 50+ Market Organizations worldwide. Member of
(WCAG / EU Standards) the global Front-End Developer Cohort, contributing to cross-organizational
Cross-Team Technical standards, architectural alignment, and engineering excellence.
Alignment Own and evolve front-end architecture for large-scale Angular
Agile Delivery & Stakeholder applications used across multiple international markets.
Collaboration Translate complex business requirements into scalable, maintainable
Technical Mentorship & technical architectures aligned with enterprise standards.
Engineering Standards Drive performance optimization initiatives, reducing bundle size and
improving load times across key user flows.
Technical skills Ensure compliance with accessibility standards (WCAG / EU regulations),
raising overall application accessibility maturity.
Front-End Architecture & Contribute to GraphQL-based BFF design, improving data efficiency and
Development: front-end/back-end contract clarity.
Angular, TypeScript, JavaScript, Establish front-end development guidelines and promote architectural
RxJS, NgRx, Nx, HTML5, SCSS, CSS3 consistency across teams.
Mobile Development: Mentor engineers and influence technical decision-making beyond the
Flutter, Dart immediate team.
Backend & APIs: Actively collaborate with Product Owners, UX, backend teams, and
Node.js, NestJS, .NET Core, REST stakeholders across multiple regions.
APIs, GraphQL, HTTP Tech Stack: Angular, Nx, TypeScript, RxJS, GraphQL, NodeJS, AWS, WCAG
Cloud & DevOps: accessibility standards.
Google Cloud Platform (GCP),
Firebase, CI/CD
Data & Persistence: Senior Software Engineer May 2019 - Feb 2022
SQL, MongoDB ExtendaRetail
Engineering Practices & Tooling:
Key front-end contributor to cloud-based retail platforms supporting end-
Design Patterns, Modular
to-end retail operations — from order lifecycle management to warehouse
Architecture, Monorepo
execution and final delivery.
Architecture (Nx), Accessibility
Led front-end development across three enterprise retail projects with
(WCAG), Performance
distributed teams.
Optimization, Git, AI-assisted
Designed scalable Angular architectures supporting operational retail
Development (GitHub Copilot)
environments.
Improved application responsiveness and runtime performance across
critical workflows.
Contributed to cross-platform solutions using Flutter.
Integrated front-end applications with .NET Core backend services and
GraphQL APIs.
Participated in architectural planning and cross-team technical
alignment.
Tech Stack: Angular, TypeScript, RxJS, Flutter, Dart, .NET Core, GraphQL,
Firebase, GCP, Microservices architecture.
 Senior Software Engineer Sep 2016 - May 2019
CallWay
Founding front-end engineer for a CRM platform built from scratch,
comparable in functional scope to Salesforce and Creatio.
Defined and implemented the client-side architecture and
application structure.
Established scalable Angular patterns, modularization strategy, and
UI standards.
Drove architectural decisions for state management and API
integration.
Partnered closely with backend teams building .NET Web API services.
Influenced product direction through active participation in feature
design and UX discussions.
Tech Stack: Angular, TypeScript, RxJS, .NET Web API, REST API, SQL, Modular
UI architecture.

Education
Master of Science (MSc) in Information Technologies and Systems
Specialization: Artificial Intelligence Systems
Poltava National Technical University | 2010 – 2015 | Poltava, Ukraine

Certifications
Scrum Master Accredited Certification (SMAC)
International Scrum Institute
Credential in Agile leadership, Scrum framework application, and team
facilitation.

“The most complex component in software isn’t the code — it’s
communication between people.”
— Linus Torvalds