Engineering notebook

Curriculum vitae

Everything on this page,
as one PDF.

The same experience, skills and proof as the rest of this notebook, laid out as a single document — for applicant tracking systems, email attachments, or printing.

6+years in production
1-3Musers served
200+projects delivered
75+projects optimized

Career profile

Senior Software Engineer with 6+ years of commercial experience architecting, scaling, and delivering 100+ high-performance web applications and data-intensive platforms across GIS/digital-twin, fintech, and e-commerce, serving 1M+ users. Proven track record of technical leadership, leading and mentoring teams of up to 18 engineers, and full SDLC ownership.

Deep expertise in React, Next.js, and TypeScript, backed by production backend development with Node.js, NestJS, PostgreSQL, and MongoDB. Integrated AI-assisted development workflows with Cursor, Claude Code, and GitHub Copilot, automating quality gates and repetitive engineering tasks to cut time-to-market by ~2x.

Key achievements

  • Designed a multi-layer caching and invalidation strategy across 10+ platforms, cutting redundant API traffic by 50% and reducing cloud infrastructure costs by an estimated 20%. (Ciklum)
  • Created shared frontend engineering standards for code reviews and component architecture, adopted across 2 companies and 100+ production projects, shortening onboarding for new engineers by 40%.

Experience

Ciklum logo

Ciklum

Aug 2025 — Sep 2026

Senior Software Engineer

Frontend architecture · product modernization · performance · technical leadership · cross-platform

KeyHorse logo

KeyHorse

Jul 2021 — Aug 2025

Middle → Senior → Team Lead Software Engineer

GIS · digital twins · engineering leadership · reusable systems · backend APIs

DAR logo

DAR

Jun 2020 — Jul 2021

Software Engineer

High-volume web delivery · e-commerce · mobile · performance

EPAM Systems logo

EPAM Systems

Jan 2020 - Jun 2020

Software Engineer

React · TypeScript · reusable UI · engineering foundations

Independent Contractor

2019 — 2025

Fullstack Software Engineer

Full-cycle SaaS & e-commerce delivery · multi-framework frontend · client management

Skills

Frontend

ReactNext.jsVue.jsNuxt.jsAngularTypeScriptJavaScriptHTML5CSS3SCSSTailwind CSSMapbox GL JS

State Management

ReduxPiniaZustandTanStack Query

Backend & APIs

Node.jsNestJSExpress.jsFastAPIPythonREST APIsGraphQLOpenAPIWebSocketsMicroservicesDDDRBAC

Database & Messaging

PostgreSQLMySQLMongoDBRedisElasticsearchApache KafkaRabbitMQ

Mobile / Cross-Platform

React NativeIonicCapacitorPWA

Architecture & quality

Frontend ArchitectureFeature-Sliced Design (FSD)Server-Side Rendering (SSR)React Server ComponentsDesign SystemsMicro-FrontendsStorybookObject-Oriented Programming (OOP)BEMWCAG AA Accessibilityi18n

Performance

Core Web Vitals (LCP/INP/CLS)Performance ProfilingCode SplittingLazy LoadingBundle OptimizationTree ShakingTechnical SEO

Testing & Quality

VitestJestPlaywrightCypressUnit TestingIntegration TestingE2E TestingESLint

Cloud & DevOps

GitGitLab CI/CDDockerKubernetesAWSAzureGCPTerraformGrafanaSentryViteWebpackMonorepo Tooling (Nx/Turborepo/pnpm)

Engineering & Leadership

Technical LeadershipSoftware ArchitectureCode ReviewMentoringScrumKanbanTask Decomposition & EstimationTechnical DocumentationSDLCDeveloper Experience (DX)

AI-Assisted Development

CursorClaude CodeGitHub Copilot

Education, certifications & proof

Education logoEducationInformation Systems

Suleyman Demirel University · 2018–2022 · GPA 3.72 / 4.0

EnglishIELTS 7.0

Academic IELTS · CEFR C1 result

Open proof
RecognitionSilver Medal

Infomatrix Asia-Pacific 2018 — International Computer Project Competition.

Open proof
ReferenceKeyHorse

Signed recommendation from company leadership

Open proof
Languages5 spoken

English — full working proficiency · Kazakh & Russian — native · Turkish — conversational · Chinese — basic

View all certificates & recommendations
© 2026 Zhassulan SerikulyNuxt 3 · Vue 3 · TypeScript