Saeed Sattari
@saeedsattari
Senior Backend Engineer at Rakib who shipped a live car rental platform with booking, fleet management, and partner integrations.
What I'm looking for
At Rakib, I architected and shipped a live, multi-tenant car rental platform in Oman, with integrations across licensed rental providers. I built backend APIs for bookings, fleet management, payments, and partner onboarding, and added document verification and digital-signature workflows that cut onboarding from days to minutes.
At Solvers, I developed Java and Spring Boot enterprise systems, including event-driven invoicing that reduced billing discrepancies by 30% and banking security controls that reduced unauthorized transactions by over 60%. I’ve also worked on payment microservices at WhenThen and migrated Gam Electronics’ document management system to microservices.
Experience
Work history, roles, and key accomplishments
Backend Engineer & Technical Lead
Rakib
Feb 2025 - Present (1 year 9 months)
Architected and shipped a multi-tenant car rental platform with Spring Boot, PostgreSQL, and GCP, including backend APIs for booking, fleet management, payments, and partner onboarding. Integrated OCR-based document verification and digital-signature workflows, reducing customer onboarding time from days to minutes.
Senior Backend Engineer
Solvers
Nov 2022 - Jun 2025 (2 years 7 months)
Designed and developed enterprise software solutions using Java 17 and Spring Boot, including invoicing, banking, and search platforms. Built real-time invoicing tools on an event-driven architecture using Kafka, reducing billing discrepancies by 30%.
Java Engineer
WhenThen
Feb 2021 - Oct 2022 (1 year 8 months)
Developed and maintained backend microservices using Java and Micronaut, including fraud-detection and CRM services. Optimized Mastercard API integration, reducing merchant onboarding time by 30%.
Java Developer
CompuGroup Medical
Dec 2019 - Dec 2020 (1 year)
Developed a performance-monitoring tool that cut reporting time by 35 hours monthly through optimized data retrieval and workflow automation. Implemented rate limiting and structured error logging, improving system reliability and incident response.
Java Developer
Gam Electronics
Jan 2017 - Jun 2019 (2 years 5 months)
Developed and maintained backend microservices using Java and Spring Boot for enterprise document and customer management systems. Migrated a monolithic Document Management System to microservices across 10+ subsystems, improving scalability and deployability.
Education
Degrees, certifications, and relevant coursework
University of Tehran
Executive MBA, Business Administration
2023 - 2025
Pursuing an Executive MBA at the University of Tehran from September 2023 to September 2025.
Udemy
Deploy Java Spring Apps Online to Amazon Cloud (AWS), Cloud Computing
2023 - 2023
Completed the course 'Deploy Java Spring Apps Online to Amazon Cloud (AWS)' on Udemy in 2023.
Udemy
Learn Micronaut: Cloud Native Microservices with Java, Microservices
2021 - 2021
Completed the course 'Learn Micronaut: Cloud Native Microservices with Java' on Udemy in 2021.
Coursera
AWS Cloud Technical Essentials, Cloud Computing
2021 - 2021
Completed the course 'AWS Cloud Technical Essentials' on Coursera in 2021.
Coursera
Parallel Programming in Java, Parallel Programming
2021 - 2021
Completed the course 'Parallel Programming in Java' on Coursera in 2021.
Coursera
Continuous Integration / Continuous Delivery and DevOps, DevOps
2019 - 2019
Completed the course 'Continuous Integration / Continuous Delivery and DevOps' on Coursera in 2019.
Coursera
Building Scalable Java Microservices with Spring Boot and Spring Cloud, Microservices
2019 - 2019
Completed the course 'Building Scalable Java Microservices with Spring Boot and Spring Cloud' on Coursera in 2019.
Coursera
Software Architecture, Software Architecture
2019 - 2019
Completed the course 'Software Architecture' on Coursera in 2019.
edX
Fundamentals of Java EE Development, Java EE
2019 - 2019
Completed the course 'Fundamentals of Java EE Development' on edX in 2019.
Payame Noor University
Bachelor of Science, Computer Software Engineering
2014 - 2018
Earned a Bachelor of Science in Computer Software Engineering from Payame Noor University from September 2014 to September 2018.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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