Asset Askar

@asset

Backend Engineer

Backend Engineer with 3+ years of experience designing high-load microservices, RESTful APIs, and secure integration engines for FinTech, payment processing, and government-grade platforms.

About

Strong expertise in Python (FastAPI, AsyncIO, Celery), PostgreSQL, Redis, Docker, and CI/CDpipelines. Background in Cybersecurity with proven experience in integrating asynchronous ML model inferences (OCR, biometrics, image payloads), implementing status machines, and establishing Prometheus/Grafana monitoring.

Career

Experience: 3 years

Experience

Senior Backend Engineer / Systems Specialist

QazaqPay.kz

Present

Builds payment and identity-verification microservices, asynchronous processing and ML integrations; tuned database and caching setup and addressed production latency issues.

• Microservices & API Architecture: Designed and deployed high-performance FastAPI microservices for core payment processing and identity verification gateways, enforcing strict idempotent status models and retry handling. • Asynchronous Processing: Built background task pipelines using Celery and Redis to handle payload processing, document image uploads (KYC compliance), and asynchronous external API callbacks.

Software & Systems Engineer / Analyst

JSC "National Information Technologies"

Kazakhstan's national IT operator, involved in government information systems and e-government services.

Designed API specifications and integrations for national information systems, ran PostgreSQL data-verification work, and tested APIs and debugged backend issues.

• Enterprise API & Integration Engineering: Designed OpenAPI/Swagger contracts and backend specs for large-scale national information systems, integrating state identity databases and FinTech platforms. • Data Verification & Performance Tuning: Authored complex SQL queries in PostgreSQL for data verification, deduplication of high-volume user registries, and data integrity audits.

Education

Bachelor of Science, Cybersecurity

Astana IT University

Selected projects

Secure Payment & Verification Gateway Engine

Engineered asynchronous integration microservices handling idempotent state transitions, payload encryption via HashiCorp Vault, and high-availability REST endpoints.

Automated Data Transformation Pipeline

Built resilient data extraction and transformation services using Python, PostgreSQL, and background task queues to sync distributed catalogs with 99.9% uptime.

Skills

PythonFastAPIDjangoDRFAsyncIOAiohttpSQLAlchemyPostgreSQL (Query Optimization, Indexing)RedisMongoDBCeleryRabbitMQOpenCV (Image Preprocessing/Resizing)ONNX RuntimeDockerKubernetesGitHub ActionsGitLab CI/CDPrometheusGrafana