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Arayik Aslanyan

@arayikaslanyan

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Senior Python backend developer building scalable Django/FastAPI APIs, data pipelines, and distributed systems.

Armenia

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What I'm looking for

I want to keep building and optimizing Python backend APIs, microservices, and data pipelines—working with reliable testing, CI/CD, and cloud deployments, and improving performance and release confidence in real production services.

I build scalable Python backend services—APIs, web services, and data pipelines—using Django and FastAPI (plus Flask where needed). I’ve also worked extensively on distributed systems, async processing, and microservices.

At Energize Global Services, I designed Django backend services for a European banking platform, including financial transactions and POS integrations. I implemented Celery-based background processing, optimized PostgreSQL schemas and complex queries, and added automated end-to-end tests with Robot Framework.

At Womolog, I designed Django backend services and REST API architecture, configured Celery workers, and integrated Firebase for real-time synchronization and authentication. I improved API response time and database query performance, and I supported CI/CD workflow improvements to reduce deployment time.

Earlier, I built FastAPI backends, shipped IoT microservices deployed to BalenaCloud, and developed Flask services for user recognition and notifications. I also led task delivery tracking for an IoT-enabled dementia support platform, and I built Django services for e-commerce and ETL pipelines for DraftKings and FanDuel data.

Experience

Work history, roles, and key accomplishments

Current

Python Backend Developer

Current

Energize Global Services

Oct 2022 - Present (3 years 10 months)

Designed Django backend services for a European banking platform supporting financial transactions and POS integrations. Built scalable REST APIs and secure integrations with third-party and payment services.

Python Django REST APIs PostgreSQL Celery Robot Framework CI CD

Python Backend Developer

Womolog

Jul 2022 - Dec 2022 (5 months)

Designed Django backend services and scalable REST API architecture for frontend-backend communication. Reduced API response time by 35% and improved database query performance by 20%.

Python Django REST APIs Celery Firebase

Python Developer

Kindda

Oct 2021 - Jul 2022 (9 months)

Built scalable backend applications and APIs using Python and FastAPI. Developed unit, integration, and load tests with pytest and Locust.

Python fastAPI Pytest Locust

Python Developer / Team Lead

Cognitive

Oct 2020 - Oct 2021 (1 year)

Led task allocation and delivery tracking for an IoT-enabled dementia support platform. Built Flask services for user recognition, location tracking, reminders, and helper notifications.

Python Flask IoT BalenaCloud

Python / Django Developer

JoinToHire

Feb 2020 - Oct 2020 (8 months)

Developed Django services for e-commerce, including orders, notifications, behavior tracking, and recommendations. Designed ETL pipelines for DraftKings and FanDuel data.

Python Django ETL

Freelance Python / Django Developer

Self-employed

Oct 2017 - Mar 2020 (2 years 5 months)

Built a cryptocurrency analytics application with RSI, MACD, and Stochastic RSI indicators and automated Slack/Telegram alerts. Developed a desktop work-tracking application and backend architecture for a home-sharing platform.

Python Django