Book this talent

Book this talent

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Salary
3500
EOR / Payroll from
€299 month
Check availibility
Harun
Harun

Backend Developer

Senior

Turkey

Skills

PostgreSQL
RabbitMQ
Redis
MongoDB
Kafka

Languages

English B2
Available for hire from
3500

Professional Summary

Candidate is a Senior Backend Engineer with over 7 years of experience specializing in scalable backend systems, microservices architecture, and event-driven communication across industries including industrial automation, pharmaceuticals, software development, and information technology. Skilled in designing high-performance distributed systems using messaging queues such as RabbitMQ, Kafka, and NATS, with a strong command of Node.js, TypeScript, PostgreSQL, MongoDB, and Redis. Demonstrated expertise in decomposing monolithic applications into modular microservices, implementing service discovery, and optimizing system reliability with outbox/inbox and retry patterns. Proficient in developing and maintaining REST APIs, building CI/CD pipelines, and introducing standardized design and development practices. Experienced in NLP-driven chatbot development with Rasa and real-time system integration using WebSocket and event buses. Adept at mentoring engineers, leading backend architecture improvements, and delivering robust backend solutions for mission-critical systems, including autonomous robotics platforms and supply chain infrastructure.

Education

Firat University / Faculty of Technology, Software Engineer

2011 - 2016

Experience

Senior Backend Engineer

Industry: Industrial Automation

Oct 2024 – Present


• Designing and implementing event-driven dynamic service discovery using NATS KV store.

• Building in-memory queue system for NATS message retries.

• Developing event-bus module with NATS and WebSocket for real-time frontend and IoT updates.

• Creating REST-based map service for generating and managing map data.

• Implementing centralized config service for scalable device and settings management.

• Establishing code standards, branching strategies, and review policies.



Lead Full-stack Engineer

Industry: Software Development

Sep 2023 – Oct 2023


• Led maintenance and enhancements of Volt/VAR automation system.

• Implemented proxy pattern in service discovery to resolve connection issues.



Senior Backend Engineer

Industry: Pharmaceutical Manufacturing

May 2024 – Jul 2024


• Completed migration to internal order service module.

• Migrated open-source npm packages to internal packages for improved maintainability.



Senior Backend Engineer

Industry: Technology, Information and Internet

Sep 2019 – Sep 2023


• Designed hybrid distributed system architecture with saga, outbox, and inbox patterns.

• Architected secure and resilient queue-based messaging system with retry logic.

• Developed distributed caching layer to improve inter-microservice performance.

• Engineered versioning and CI/CD pipeline for internal npm packages.

• Led migration from HapiJs to NestJs for scalability and maintainability.

• Documented and standardized design patterns and business workflows.

• Mentored junior engineers in DDD and event-driven architecture.

• Integrated key services such as SAP purchase orders and e-waybill.

• Developed critical REST APIs for inventory, supply chain, and product transfer.

• Created robust unit and integration tests using Jest.



Full-stack Engineer

Industry: Information Technology & Services

Apr 2018 – Sep 2019


• Developed AI-powered chatbot with Rasa NLP for psychological diagnostics.

• Built admin panels for public transit and traffic data visualization.

• Engineered computer vision libraries across multiple programming languages.

• Designed plugin for real-time IoT event streaming to Thingworx platform.

Talent Pool

Available talents

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Irakli
Python Engineer
Senior
Georgia
.net
PostgreSQL
Python
Flask
Fast API
DevOps
Georgia
Developers
€3000 - €5000
English
Ani
Sales Representative
Middle
Armenia
B2B
Lead Generation
OutBound Sales
Salesforce
Sales and Account
Armenia
Sales Experts
€1000 - €3000
English
Ahlem
Digital Marketing Specialist
Senior
Turkey
Digital marketing
SEO
Meta Ads
Google Ads
Marketing and Communication
Turkey
Marketers
€1000 - €3000
English
Sena
Operations Specialist
Senior
Turkey
Customer Service
Social media
Operations
Turkey
Operations Experts
€ 20 and below
€1000 - €3000
English
German
Satine
Sales Representative
Senior
Armenia
Apollo
B2B
Business Development
HubSpot
LinkedIn Sales Navigator
Sales and Account
Armenia
Sales Experts
€1000 - €3000
English
Lusvard
Financial Analyst
Senior
Armenia
finance
fintech
Operations
Armenia
Finance Experts
€1000 - €3000
English

Don't see the profile you need right now?

Tell us what you need — we'll find and vet a match within 48 hours.
Request a custom search →