GURAY GURKAN
Backend Developer
Besiktas,Istanbul
Summary
Highly skilled software development professional with 5+ years of experience, bringing enormous talents for software design, development, and integration. Offering advanced knowledge of in-demand programming languages. Background writing code and developing systems for FinTech applications. Experienced in ranges from working on high-traffic, ACID-compliant systems to collaborating on innovative projects with like-minded professionals. As a dedicated team player, enjoyed brainstorming and found the most effective solutions for any given situation. Playing 7+ years of basketball has taught the importance of collaboration and teamwork.
Overview
4
4
years of professional experience
1
1
Certification
4
4
Languages
Work History
Senior Backend Developer (Freelance)
Crewlinker
Rotterdam
09.2022 - Current
- Developed AWS infrastructure by using AWS CDK with Go programming language
- Successfully migrated all microservices from Heroku to AWS for gain benefits of some AWS products with zero downtime
- Reduced cloud costs more than 50% by switching to AWS Serverless architecture
- Optimized GraphQL server delivery time
Lead Software Developer
Creosafe Inc.
New York, NY
09.2021 - 07.2023
- Managed on stages of systems development lifecycle from requirement gathering to production releases.
- Revised, modularized, and updated old code bases to modern development standards, reducing operating costs by more than 50%, and improving functionality.
- Designed reusable and reliable code for use within distributed cloud environments.
- Supervised work of programmers, designers, and technicians assigned tasks and monitored performance against targets.
- Developed Blockchain products with Solidity and audited by several audits company such as Hacken and PeckShield
Blockchain Mentor (Freelance)
Galaxiaverse
Istanbul
01.2022 - 04.2023
- Performed complex architectural and design assignments, applying innovative architectural design concepts and advanced professional knowledge.
- Successfully developed blockchain based zero trust authentication system and integrated EVM compatible chains to desktop application IN
- Monitored and analyzed project costs and resource allocation to mitigate overages.
- Led, built and owned backend services and infrastructure to power core blockchain-based products.
Backend Developer
Freelance
Remote
05.2021 - 09.2022
- Developed a tool that monitors the stock and cryptocurrency markets in real time
- Successfully handled high traffic 7000+ data flow in the real-time custom analyzer and reporter by achieving less than 20ms server response time for 95% of the operations
- Implemented case-specific caching algorithms and built architectures
- Managed efficient SQL queries and data transport
- Designed client-side and server-side architecture and implemented cloud-based back end back-ends
Full Stack Developer
Softtech
Istanbul
02.2021 - 09.2021
- Collaborated with fellow engineers to evaluate software and hardware interfaces.
- Provided software application engineering and maintenance for development lifecycle.
- Analyzed existing software implementations to identify areas requiring improvement.
Blockchain Developer Internship
Bitmatrix
Istanbul
07.2019 - 08.2019
- Performed research to develop protocol upgrades and new financial contracts.
- Implemented, tested and audited open-source software to interact with on-chain smart contracts.
Education
Bachelor of Science - Computer Engineering
Middle East Technical University
Ankara, Turkey 08.2015 - 2021.06
Skills
Developer Onboarding Design
Certification
AWS Fundamentals: Building Serverless Applications
Projects
Avionics System Engineer - 2018
AURORA Rocket Team
- Worked with complex hardware systems and found solutions by developing algorithms to the challenges while building a medium-altitude rocket
Hobbies
- Basketball
- Snooker
- Tennis
- Camping
Timeline
Senior Backend Developer (Freelance)
Crewlinker
09.2022 - Current
Blockchain Mentor (Freelance)
Galaxiaverse
01.2022 - 04.2023
Lead Software Developer
Creosafe Inc.
09.2021 - 07.2023
Backend Developer
Freelance
05.2021 - 09.2022
Full Stack Developer
Softtech
02.2021 - 09.2021
AWS Fundamentals: Building Serverless Applications
10-2020
Blockchain Developer Internship
Bitmatrix
07.2019 - 08.2019
Bachelor of Science - Computer Engineering
Middle East Technical University
08.2015 - 2021.06