Miron Kalenta
Lead Full Stack Software Engineer, AWS-certified, with 8+ years in Frontend and Backend.
Based in Amsterdam, the Netherlands.
I’ve gained 8+ years of hands-on experience in implementing SaaS in FinTech, Retail, Telecom, Travel, Workforce domains, working for Ahold Delhaize, Payconiq, Liberty Global, Emirates, Kronos.
I primarily use Javascript, Typescript, React, NextJS, Angular, NestJS, nodeJS along with AWS to meet the technical requirements.
I have held Engineering Manager, Senior Full Stack, Tech Lead roles
Experience
EPAM Netherlands. Working for Ahold Delhaize, Payconiq, Liberty Global
2021 – present | Amsterdam, Netherlands
EPAM Belarus. Working for Emirates, Kronos
2016 – 2021 | Minsk, Belarus
Certificates
Education
Belarusian National Technical University
2006 – 2011 | Civil Engineering
Since Feb 2024 | Tech Lead
- 🥇Enhanced pricing data management and negotiation positioning by implementing CRUD operations for 10 tables using AzureSQL, TypeORM, Nest, Next. Key features: data validation, Excel export, sorting, and filtration.
- 🥇Streamlined operations and security across frontend, backend, and database by implementing 5-role RBAC based on OpenID and Azure AD
- 🥇Enabled daily releases and enhanced collaboration among stakeholders by implementing CI/CD in Azure AKS for Nx-wrapped Next, Nest, AzureSQL, PosgreSQL using GitHub Actions and Helm.
App to enhance negotiation strategies through pricing and contract data management.
- 🔹4 Full Stack, 1 BA, 1 PO
- 🔹Nx-monorepo, Next, React, React-Admin
- 🔹Nest, TypeORM, NodeJS, REST
- 🔹Azure, GitHub Actions, Helm
- 🔹Azure SQL, PostgreSQL
2023 | 1 year | Tech Lead
- 🥇Being sole JS developer in the team, delivered nextJS App in 3 months that passed security audit and had 5 pages, 30+ UI components, 5 REST endpoints, A11y, i18n, auth, offline mode, 90+ Lighthouse score.
- 🥇Configured 6-min security-compliant CI/CD pipeline, by combining functioning practises and modern GitLab and NextJS features.
3 Web Apps: Merchant portal, Support portal, and Meal Voucher Management app.
- 🔹1 FE-dev, 4 BE-dev, QA, PO
- 🔹NextJS, React, Angular, NodeJS
- 🔹Jest, Vitest, GitLab CI/CD
- 🔹MongoDB, REST
2020 - 2023 | 3 years | Tech & Team Lead
- 🥇Set up Next, Jest, Cypress, Sonar and included them into CI/CD, ensuring healthy developer experience and quality assurance. First Time Right was ~60% over 3 years. There were 12 P1/P2 issues over 3 years.
- 🥇Created 10+ pages, 50+ components including forms, 10+ API Routes in NextJS over 3 years. Integrated the app with 30+ REST APIs.
- 🥇Established and advanced the agile SDLC. "Completion Against Commitment" was ~70-85%. Accelerated release cycle from the "each 8 weeks" to the "each week" for the team.
- 🥇Interviewed and built a mature diverse team of 8ppl with ~20 NPS and 12% attrition for 3 years.
CMS for TV-boxes & Netflix-like app used by >20M users
- 🔹4 FE-developers, 2 QA, UX/UI designer, PO
- 🔹Atomic Design, Storybook, Figma
- 🔹NextJS, React, Redux-Saga
- 🔹NodeJS, Docker
- 🔹PostgREST, REST
- 🔹Jest, Cypress
2018 - 2020 | 2.5 years | Tech & Team Lead
- 🥇Implemented SAFe to scale the delivery during the expansion of the project from 8 to 30 people. The velocity increased by ~3 times.
- 🥇Monitored and improved the FCP, LCP, TTI of the app by ~20% to meet NFRs.
- 🥇Integrated the React app with the 20+ REST and SOAP APIs.
- 🥇Made the app WCAG 2.1 compliant by including A11y into delivery pipeline.
B2B/C portal with ~16M monthly visits to up-sell stays and experiences in Dubai.
- 🔹3 cross-functional teams of 8 people each
- 🔹React, Redux, Lerna, Monorepo, NodeJS
- 🔹REST, SOAP
2021 – 2024 | 3 years | Company Level Contribution
- 🥇60+ interviews in various roles for EPAM and its customers.
- 🥇13 EPAM Tech Assesment sessions as an expert.
- 🥇3 Time Management courses as a trainer.
- 🥇2 React Mentoring programs as a mentor.
- 🥇2 Tech talks: "Time Perception in Web", "Soft Skills at a Construction Site and in the Office".
The Team of 9 direct reports.
- 🔹Evaluation of the pool performance
- 🔹Mentoring of teammates
- 🔹Handling retention cases
- 🔹Assigning teammates to projects