![evr olzhobai](https://jobicy.com/react/themes/app/images/avatar.jpg) evr olzhobai # Backend Engineer Open to offers · Member since 23 Jul 2026 [Message](https://jobicy.com/dashboard-page.md) ShareLocationKazakhstanDesired salaryUnspecifiedWork preferenceRemote OnlyExperience levelSenior * [Overview](#overview) * [Portfolio 0](#portfolio) * [Services 0](#services) ## About Professional summaryI am a backend engineer with 5+ years of experience building scalable Java and Python microservices for fintech, CRM, LMS, cryptocurrency, and education products. I focus on API-first development, backend architecture, performance optimization, and production reliability. My day-to-day work has included designing REST APIs, service-oriented systems, event-driven workflows, and secure integrations for high-load environments. I have worked extensively with Spring Boot, FastAPI, Django, Django REST Framework, PostgreSQL, MongoDB, Kafka, Redis, RabbitMQ, Docker, and Kubernetes. I also have hands-on experience with observability, CI/CD, testing, and database optimization. In my recent roles, I contributed to mission-critical platforms by consolidating legacy systems, improving deployment reliability, increasing automated test coverage, and reducing infrastructure costs through database and architecture improvements. I enjoy solving complex backend problems, especially where scalability, maintainability, and operational efficiency matter. I am comfortable working across product, engineering, and stakeholder teams to deliver reliable systems. I am open to opportunities where I can continue building robust backend platforms, improve engineering processes, and contribute to products with meaningful technical challenges. ## Skills 36 capabilities[API Design](https://jobicy.com/talent/api-design.md)[Celery](https://jobicy.com/talent/celery.md)[Database Optimization](https://jobicy.com/talent/database-optimization.md)[Django](https://jobicy.com/talent/django.md)[Django REST Framework](https://jobicy.com/talent/django-rest-framework.md)[Docker](https://jobicy.com/talent/docker.md)[Elasticsearch](https://jobicy.com/talent/elasticsearch.md)[ETL](https://jobicy.com/talent/etl.md)[fastAPI](https://jobicy.com/talent/fastapi.md)[GitHub Actions](https://jobicy.com/talent/github-actions.md)[Gitlab CI](https://jobicy.com/talent/gitlab-ci.md)[HAProxy](https://jobicy.com/talent/haproxy.md)[Integration Testing](https://jobicy.com/talent/integration-testing.md)[Java](https://jobicy.com/talent/java.md)[Kafka](https://jobicy.com/talent/kafka.md)[Kubernetes](https://jobicy.com/talent/kubernetes.md)[Microservices](https://jobicy.com/talent/microservices.md)[MongoDB](https://jobicy.com/talent/mongodb.md)[MSSQL](https://jobicy.com/talent/mssql.md)[MySQL](https://jobicy.com/talent/mysql.md)[Nginx](https://jobicy.com/talent/nginx.md)[Observability](https://jobicy.com/talent/observability.md)[Pandas](https://jobicy.com/talent/pandas.md)[Performance Optimization](https://jobicy.com/talent/performance-optimization.md)[PostgreSQL](https://jobicy.com/talent/postgresql.md)[Prometheus](https://jobicy.com/talent/prometheus.md)[Python](https://jobicy.com/talent/python.md)[RabbitMQ](https://jobicy.com/talent/rabbitmq.md)[RBAC](https://jobicy.com/talent/rbac.md)[Redis](https://jobicy.com/talent/redis.md)[REST APIs](https://jobicy.com/talent/rest-apis.md)[Sentry](https://jobicy.com/talent/sentry.md)[Spring Boot](https://jobicy.com/talent/spring-boot.md)[Unit Testing](https://jobicy.com/talent/unit-testing.md)[WebSockets](https://jobicy.com/talent/websockets.md)[Zabbix](https://jobicy.com/talent/zabbix.md) ## Tech stack & tools Working toolkit ### Analytics [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/sentry/sentry-original.svg) Sentry](https://jobicy.com/talent?tool=sentry.md) ### Application Hosting [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/nginx/nginx-original.svg) Nginx](https://jobicy.com/talent?tool=nginx.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/redis/redis-original.svg) Redis](https://jobicy.com/talent?tool=redis.md) ### Data Stores [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/mongodb/mongodb-original.svg) MongoDB](https://jobicy.com/talent?tool=mongodb.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/mysql/mysql-original.svg) MySQL](https://jobicy.com/talent?tool=mysql.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/postgresql/postgresql-original.svg) PostgreSQL](https://jobicy.com/talent?tool=postgresql.md) ### Development [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/docker/docker-original.svg) Docker](https://jobicy.com/talent?tool=docker.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/kubernetes/kubernetes-original.svg) Kubernetes](https://jobicy.com/talent?tool=kubernetes.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/rabbitmq/rabbitmq-original.svg) RabbitMQ](https://jobicy.com/talent?tool=rabbitmq.md) ### Languages & Frameworks [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/django/django-original.svg) Django](https://jobicy.com/talent?tool=django.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/fastapi/fastapi-original.svg) FastAPI](https://jobicy.com/talent?tool=fastapi.md) ### Monitoring [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/elasticsearch/elasticsearch-original.svg) Elasticsearch](https://jobicy.com/talent?tool=elasticsearch.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/prometheus/prometheus-original.svg) Prometheus](https://jobicy.com/talent?tool=prometheus.md) ## Experience Career history ### Backend Engineer (Python / Java) · Kaspi.kz Jun 2025 – PresentDeveloping LMS, Certification Platform, and Source of Data services in a high-load fintech ecosystem. Contributed to backend architecture, API contracts, integration patterns, testing, observability, and PostgreSQL optimization. ### Backend Developer (Python) · NCRM Group Oct 2024 – Jun 2025Owned backend development for a high-load CRM platform. Led migration from Django monolith to FastAPI services, improved reporting performance, redesigned CI/CD pipelines, and optimized database scaling. ### Backend Developer (Python/Java) · Ask Consulting Mar 2023 – Sep 2024Owned backend development for a CRM platform supporting the study abroad application lifecycle. Built scalable REST APIs, RBAC, document processing workflows, and OCR integrations while optimizing PostgreSQL performance. ### Backend Developer (Python) · Ruhesh Jun 2020 – Mar 2023Developed backend services for a multilingual news platform. Designed modular CMS architecture, delivered third-party integrations, and implemented business modules for donations, advertising, polls, and feedback. ## Education Learning historyNo education data available. This professional hasn’t added portfolio projects yet. This professional hasn’t listed any services yet.