Андрій

ANDRII ISCHENKO
Full-Stack Engineer

[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | @andrew_isch

PROFESSIONAL SUMMARY
Full-Stack Engineer with 3+ years of experience building production systems across the stack, from React Native
clients to cloud-based backends. Proficient in TypeScript, Node.js, and NestJS, with hands-on experience in
designing event-driven architectures, optimizing database performance, and automating data pipelines.
Comfortable working across the whole stack and owning features end to end.

WORK EXPERIENCE
Back-end Engineer (outstaff) Nov 2024 - Sep 2026
TenThousand
Owned the backend and cloud infrastructure of an investment fintech platform, from design and
implementation to production support.
Improved reliability and observability of ingestion and backend services: monitoring, alerting, tracing, retrying.
Worked with several data storage systems: PostgreSQL, S3, DynamoDB. Led database performance
optimization across the full stack, from indexing to partitioning.
Automated recurring processes (scheduled jobs, data ingestion), cutting manual work equal to 5 hours per
week.
Modernized a legacy Express.js application by incrementally migrating its endpoints to a typed NestJS
architecture, improving maintainability and type safety.
Implemented event-driven background jobs using AWS SQS and Lambda, decoupling long-running tasks
from the main backend.

Mobile Developer May 2023 - Sep 2024
Konnect (currently KonnectNow)
Developed and maintained a mobile application using React Native for iOS and Android.
Implemented in-app purchases and subscription functionality for digital products and premium features.
Implemented real-time chat and messaging user flows.
Developed custom, animated UI components, creating smooth transitions and engaging user experiences.

LANGUAGES
Ukrainian - Native (C2)
English - Advanced (B2)

EDUCATION
Bachelor of Computer Science
Taras Shevchenko National University of
Kyiv

SKILLS
JavaScript, TypeScript React, React-Native
Node.js, Express.js, Nest.js Tailwind CSS, SASS, CSS
PostgreSQL, MySQL, Redis, TimescaleDB Redux, Redux-Saga, Zustand
AWS, EC2, ECS, S3, Lambda, DynamoDB, SQS Docker, Docker Compose
Kafka, RabbitMQ Github, Github Actions
Prisma ORM, TypeORM Claude Code