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Maksym Ostapenko KulebaMK
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Maksym Ostapenko Kuleba

@maksymostapenkokuleb

Angular Developer at ESAIL IT Solutions building web and mobile apps from scratch and automating releases with GitLab CI/CD.

Spain
Message

At ESAIL IT Solutions, I build Angular web and mobile applications for enterprise clients, taking new products from their first line of code through to production. I work with TypeScript, Signals, RxJS, and Ionic.

I designed and maintain a reusable PrimeNG component set to reduce duplicated markup across projects. I also integrate REST APIs with the backend team and implement client-side business logic and error handling.

I write unit and component tests with Vitest and Angular Testing Library, and run them in the pipeline so a failing test blocks a merge. I automated releases with GitLab CI/CD and introduced Sentry for production error monitoring.

Earlier, I completed a full-stack training programme at Solera, Inc. and an internship at DEKRA Testing and Certification, S.A.U., working with React, Java, Spring Boot, Angular, Java EE, and SQL. I also do occasional backend work with Java and Spring Boot and maintain legacy React codebases.

Experience

Work history, roles, and key accomplishments

ES
Current

Angular Developer

ESAIL IT Solutions

Apr 2023 - Present (3 years 6 months)

Built new Angular applications from scratch, including architecture, routing, state, and component design. Designed and maintained a reusable component set on PrimeNG, integrated REST APIs, and automated releases with GitLab CI/CD.

Solera, Inc. logoSI

Software Engineer Trainee

Oct 2022 - Dec 2022 (2 months)

Participated in an intensive full-stack training programme, developing frontend with React and backend services with Java and Spring Boot. Implemented automated testing with JUnit, Selenium, and Rest Assured.

DS

Full Stack Developer (Internship)

Mar 2022 - Jun 2022 (3 months)

Developed new internal applications and improved the company's main web platform. Performed frontend development with Angular, including maintenance and migration of legacy AngularJS codebases, and backend development with Java EE and SQL.

Education

Degrees, certifications, and relevant coursework

CT

CPIFP Alan Turing

Postgraduate Specialisation, Cybersecurity

2025 -

Postgraduate specialisation in cybersecurity, ongoing from September 2025 to June 2026.

IM

IES Vega de Mijas

Higher Technician, Web Application Development

2020 - 2022

Higher Technician in Web Application Development (Grado Superior DAW, EQF 5) from 2020 to 2022.

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