Ramin Rezaei🇸🇪

About Ramin Rezaei

Senior Software Engineer at Sinch

Meet Ramin, a Senior Software Engineer with 10+ years of experience building and scaling software systems. He has strong expertise in JavaScript, TypeScript, and React, along with solid experience on the backend using Node.js, Python, Kotlin, and Java, working across different layers of modern, distributed applications. He spent 3 years at Digikala Group, one of the largest e-commerce platforms in the Middle East, contributing to systems used by 40+ million active users and 10+ million daily visitors. He later joined Boozt, the largest online department store in the Nordics, where he worked on internal platforms, performance improvements, and scalable content systems used across multiple markets. Today, he is based in Sweden and works at Sinch, a global leader in cloud communications. Sinch powers billions of interactions for companies like Google, Uber, and PayPal. At Sinch, Ramin works across both frontend and backend systems, contributing to scalable architectures, reliable services, and modern engineering platforms that support large-scale communication systems.

Expertise

Sessions with Ramin Rezaei

• General Mentorship Session (30 min): Hi everyone, I’m offering a 30-minute mentorship session for anyone interested in discussing topics related to programming, graphics, or software engineering in general. Whether you’re just starting out or already have experience, feel free to book a session with me. We can talk about coding challenges, career advice, or anything else you’d like to explore in the field of tech. Looking forward to chatting with you!
• Software Engineering Mock Interview (60 min): Prepare for your next software engineering interview with a realistic mock interview experience tailored to your background and career goals. This session is designed to simulate a real technical interview for Frontend, Backend, or Full-Stack Software Engineering roles. Depending on your experience and target position, the interview may include topics such as: Frontend Engineering Backend Engineering Data Structures & Algorithms System Design Technical discussions Behavioral questions After you book the session and I confirm your reservation, I'll send you a job description for a fictional company. This will be the role you'll be interviewing for during our session, allowing us to recreate the experience of a real hiring process as closely as possible. The interview will be conducted just like an actual technical interview. I'll evaluate not only your technical knowledge, but also your communication, problem-solving approach, and decision-making process. At the end of the session, you'll receive detailed, actionable feedback along with practical recommendations to help you improve your interview performance. Before booking, please include a short introduction about yourself.
• Resume Review for Software Engineers (45 min): Increase your chances of landing interviews with a professional resume review tailored for software engineering roles. Whether you're applying to startups, international companies, or Big Tech, your resume should clearly communicate your experience, technical skills, and impact. During this session, we'll review your resume together and identify opportunities to make it stronger and more competitive. We'll cover topics such as: - Resume structure and formatting - Experience and project descriptions - Highlighting technical skills and achievements - Writing impactful bullet points - Common mistakes recruiters notice - Tailoring your resume for specific job descriptions - ATS (Applicant Tracking System) best practices After the session, you'll have a clear understanding of what to improve and how to present your experience more effectively to recruiters and hiring managers. Before the session, please: Share your current resume (PDF preferred). Include one or more job descriptions you're targeting, if available.
• Software Architecture & Technical Consultation (90 min): Get expert feedback on your software project, architecture, and engineering challenges. This session is designed for engineering teams, startups, and experienced software engineers who want an in-depth technical review of their web application or backend system. Whether you're building a new product or maintaining an existing one, we'll analyze your project from an architectural and engineering perspective and discuss practical improvements. Topics we can cover include: - Software Architecture Review - Backend & Frontend Architecture - Codebase Review - Refactoring Strategy - API Design - Performance & Scalability - Database Design - System Design - Design Patterns - Maintainability & Technical Debt - Technology Stack Evaluation - Development Best Practices Before the session, please share a brief overview of your project, your current architecture, and the challenges you're facing. If possible, include a GitHub repository, architecture diagrams, documentation, or screenshots so I can better understand your system before we meet. During the session, we'll review your project together, identify bottlenecks and technical risks, discuss architectural trade-offs, and explore practical solutions based on your business and technical requirements.

What mentees say

“Ramin is an excellent mentor. He communicates clearly and makes complex feedback easy to act on. He gave me thoughtful, detailed notes on my resume and offered practical suggestions for presenting my experience more effectively. I left our session with a clear plan and more confidence in my job search. I highly recommend him to anyone looking for honest, constructive guidance.”

“Ramin answered all my questions thoughtfully and provided practical advice that helped me gain a clearer direction for my learning journey. His guidance gave me a better understanding of how to progress more efficiently and reach my goals faster.”

“He had a lot of good experienced about ai and also about migration and real data and real stories. And he is a very good friend. I'm happy fo this meeting. Thanks a lot”