# Esat AVSAR

> Senior Software Engineer

Location: Alexandria, Virginia, United States
Profile: https://flows.cv/esat

## Work Experience
### Senior Software Developer @ Coreline LLC
Jan 2025 – Present | Alexandria, Virginia, United States
•	Designed and developed scalable backend services within a distributed microservices architecture, ensuring high availability, performance, and maintainability across the platform.
•	Implemented real-time order processing and dispatch workflows by integrating messaging systems, caching layers, and API gateway routing to enable seamless communication between services.
•	Collaborated closely with cross-functional teams to define technical requirements, improve system reliability, and deliver production-ready features aligned with business objectives.

Technologies: .NET 9,  Angular-20,  Node.js,  NestJS, RabbitMQ, Ocelot, WebSocket, MongoDB, MSSQL, Redis, Jenkins, Amazon Web Services(S3, RDS, ec2,  CloudWatch), Docker

### Senior Software Engineer @ TexEx
Jan 2023 – Jan 2025 | alexandria, Virginia, Birleşik Devletler
• Conducted in-depth analysis and implemented the project within a cohesive
monolithic structure.
• Orchestrating onboarding sessions for new team members to ensure a seamless
integration into the team and the organization. I am facilitating communication
between different teams.
• Engaged in extensive research to determine the optimal technology solutions for
implementation.

Technologies: .Net, .Net Core, JavaScript, Angular-14, NodeJS, RabbitMQ,
MongoDB, MSSQL, Redis, Jenkins, ExpressJs.

### Senior Software Engineer @ Marti Technologies (NYSE: MRT)
Jan 2022 – Jan 2023 | İstanbul, Türkiye
• A subscription model was developed for scooter users, leading to an increase in
customer loyalty.
• Bugs and improvements were addressed in the newly launched car-sharing
application in the market.
• The flow during driver registration in the vehicle-sharing application was
modified, resulting in a 40% reduction in the registration time for new drivers.
• Using Google Maps to display obstacles on the map, driver efficiency was
increased by 30%.
• A system was developed using the Go programming language to record only the
changing locations of scooters.

Technologies: Node.js, Go, NestJS, TypeScript, Fastify, VueJS, PostgreSQL,
MongoDB, Redis, Elasticsearch, Kibana, WebSockets, lambda, RabbitMQ, Micro
Services, AWS services

### Senior Software Engineer @ Gönder - HML Lojistik A.Ş.
Jan 2020 – Jan 2022
• The monolithic application was transitioned to a service-oriented application.
• The payment system was enhanced by adding MasterCard, enabling users to
make payments more easily on the payment screen.
• A system was developed that extracts only the changing lines when obtaining
prices from stores. This system prevents unnecessary records from being added
to the database.
• CI/CD processes compatible with the newly developed services were
implemented using Jenkins. This resulted in a 70% reduction in deployment time.

Technologies .Net, .Net core, JavaScript, NodeJS, Python, Kafka, MongoDB,
MSSQL, Azure, Redis, Jenkins.

### Software Developer @ Egebimtes
Jan 2019 – Jan 2020 | Istanbul, Turkey
• By reporting processes affecting production management in factories, we
increased efficiency by 5%.
• The revenue increased 20% with the development of custom modules.
• Team members were oriented towards the use of new technologies.
• By utilizing Redis pub/sub for real-time notification delivery to operators, instant
production disruptions were reduced by 70%.

Technologies: .Net, .Net Core, AngularJS, JavaScript, NodeJS, MongoDB,
MSSQL, Azure, Redis, Jenkins, Octopus.

### Software Developer @ Koton
Jan 2018 – Jan 2019
• We made improvements to the web portal used by 1000 users across 500 stores.
• A module was developed for organizing the shifts of store personnel. This
module generated an annual profit of $300,000 for the company.
• The cash flow of stores was accurately tracked with a cash register monitoring
module, achieving a precision rate of 99.5%.
• Developments were carried out in collaboration with junior developers.

Technologies: .Net, .Net Core, Ang

### Software Developer @ Sorsware Yazılım
Jan 2016 – Jan 2018
• I contributed to the development of the project as a full-stack developer using
.Net and AngularJS.
• We improved the performance of the homepage and search screen by 50%
using NoSQL systems.
• By implementing the blog module, we organically increased the number of users
entering the site by 30%.

Technologies: .Net framework, AngularJS, JQuery, JavaScript, MSSQL, Redis
and MongoDB.

### Trainee @ Türkiye Vakıflar Bankası t.a.o bilgi işlem merkezi
Jan 2016 – Jan 2016 | İstanbul, Türkiye


## Contact & Social
- LinkedIn: https://linkedin.com/in/esat-avsar-9ba73895

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Source: https://flows.cv/esat
JSON Resume: https://flows.cv/esat/resume.json
Last updated: 2026-03-22