4RE / Personnel file 04 Full-stack development & technical leadership

VladislavsKazimirenko.

Senior Full Stack Developer

I connect interfaces, backend services and production infrastructure. From payment systems to digital marketplaces, I build products and guide the teams delivering them.

01 / Professional profile

Vladislavs Kazimirenko

Senior Full Stack Developer · Riga, Latvia

Senior full-stack developer with more than six years of commercial experience in web applications, payment and financial systems, and digital-goods marketplaces. Progressed from frontend development at Accenture to technical leadership across multiple products and delivery teams, with hands-on work in TypeScript, Angular, Node.js, NestJS, PostgreSQL, Redis, Docker and AWS.

BUYSELLVOUCHERS.COM

Technical Lead

Led technical development and maintenance of a marketplace for gift cards and digital products. Designed provider integrations for a unified catalogue and purchasing flow, and guided decisions across backend services, product architecture and customer-facing features.

JTEAM

Lead Backend Developer

Led backend development across multiple products and took technical ownership of delivery. Helped the delivery organization grow into three teams, supporting collaboration and consistent engineering practices through Agile, Kanban and iterative delivery. Built and operated services with NestJS, PostgreSQL, Redis, Prisma, Docker, Docker Swarm, Nginx and AWS.

Accenture

Frontend Developer

Built production frontend features within a platform-scale delivery team organized around SAFe. Developed experience in enterprise delivery, cross-team collaboration and maintainable frontend engineering.

Skill distinctions

Subjective 4RE team assessment based on this CV, not certificates. Open a badge to explore the evidence.

NestJSLevel IV · LeadView evidenceHide evidence

Founding Cashforo backend and technical delivery, with NestJS backend services and leadership at JTEAM.

PaymentsLevel IV · LeadView evidenceHide evidence

Founding developer and team lead on Cashforo, with contributions to Wirzo payment aggregation.

InfrastructureLevel III · AdvancedView evidenceHide evidence

Docker and Docker Swarm, Nginx, AWS, deployments and operational tooling for production services.

AngularLevel III · AdvancedView evidenceHide evidence

Founding and first-year Pledoo delivery, Angular development for Wazbee and AngularJS delivery for BetItAll.

Technical LeadLevel IV · LeadView evidenceHide evidence

JTEAM backend leadership across multiple teams and technical decisions and provider integrations at BUYSELLVOUCHERS.COM.

Data SystemsLevel III · AdvancedView evidenceHide evidence

PostgreSQL, Redis, Prisma, Elasticsearch and Metabase in the provided backend and data stack.

Languages & frontend

TypeScriptJavaScriptAngularAngularJSRxJSNgRx

Backend & APIs

Node.jsNestJSPHPgRPCBullMQREST APIs

Data & search

PostgreSQLRedisElasticsearchPrismaMetabase

Infrastructure & delivery

DockerDocker SwarmAWSNginxCI/CDBashPortainerContabon8n

Quality & tooling

JestCypressWebpackGrunt

Leadership

Technical leadershipTeam coordinationAgileKanbanIterative deliverySAFe

Transport and Telecommunication Institute

Bachelor’s Degree in Information Technology

LatvianNative

RussianNative

EnglishB2 · Upper Intermediate

02 / Selected contributions

Built with intention.

Vladislavs’s work, with roles and company context.
Project interfaces remain in desktop proportions.

02 / Wirzo
Vladislavs Kazimirenko

A payment aggregation product connecting multiple providers through a unified integration and transaction flow.

Payment aggregator
03 / pledoo.com
Vladislavs Kazimirenko

An Angular web application delivered through its first year before transfer to a support team.

Casino web application
04 / wazbee.com
Vladislavs Kazimirenko

An Angular web application in the same product portfolio as Pledoo.

Casino web application
05 / kukimuki.com
Vladislavs Kazimirenko

An Angular and TypeScript web application with connected workflows and integrations.

Casino web application
06 / betitall.com
Vladislavs Kazimirenko

A casino web application delivered with AngularJS and supporting web technologies.

Casino web application
07 / Cointrade
Vladislavs Kazimirenko / Personal project

A system that identifies cryptocurrency price discrepancies and executes trades using an arbitrage strategy.

Financial management & investment system
08 / Zigzag
Vladislavs Kazimirenko / Personal project

A personal analytics platform focused on frontend architecture, state management, testing and offline-capable web delivery.

Platform analytics system
03 / Focus areas

How I contribute.

01

Connect the entire product.

TypeScript and Angular interfaces, backend services and APIs for payment systems and digital marketplaces.

Angular / TypeScript / Node.js / NestJS
02

From services to production.

Databases, deployment workflows and operational tooling that support working products.

PostgreSQL / Redis / Docker / AWS
03

Move the team forward.

Technical ownership, architecture decisions and team coordination across multiple products and iterative delivery cycles.

Technical leadership / Agile / Kanban / SAFe
Let’s connect Open to collaborations

A good connection.
A new possibility.

Connect with Vladislavs or explore the rest of the team.

Connect with Vladislavs
The rest of the team

Different perspectives.

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