Head of Engineering

• May 2023 - Present

Head of Engineering

• May 2022 - May 2023

- Led engineering team, managed budgets, and set project priorities.- Oversaw system architecture and ensured efficient workflows.- Utilized DevOps tools like Terraform, AWS CloudFormation, and Kubernetes.

Tech Lead

• Jan 2022 - May 2022

- Developed scalable hybrid monolithic microservices using Go and gRPCImplemented secure client-server communication using token-based authentication and end-to-end encryption- Developed cross-platform mobile app using Flutter, ensuring security by storing sensitive data in iOS Keychains and Android KeyStores- Managed team recruitment, collaborated with Design and Product teams, and implemented TDD and thorough documentation practices- Utilized AWS tools, Kubernetes, and Github Actions for infrastructure automation and CI/CDMade strategic database decisions based on project requirements, utilizing PostgreSQL for transactional data and MongoDB for social functionality- Implemented Nats Stream for event-driven architecture, enabling efficient and reliable real-time communication across microservices- Utilized Elasticsearch for fast searching and graph connection, enhancing overall application performance and user experience- Employed Elastic Observability to establish an effective logging system, ensuring easy monitoring and troubleshooting- Leveraged Terraform for structural deployment, enabling efficient and reproducible infrastructure management across environments- Established robust unit testing and integration testing procedures, ensuring software quality and reliability throughout the development process- Assumed responsibility for DevOps tasks in the absence of a dedicated DevOps team member, maintaining system reliability and implementing tools to facilitate a streamlined engineering and development process Show less

Senior Software Engineer

• Nov 2021 - Jan 2022

Started hands-on mobile development, before transitioning to backend development for the remainder of the project, directly contributing to the creation of services for both banking and student financing initiatives

Senior Software Engineer

• Jun 2020 - Nov 2021

- Development and maintenance of Marley Spoon's new services. - Built the new Android and iOS app for MarleySpoon customer-facing app, working with a team of 4 Android developers and 3 iOS developers. - Introduced remote config and new authentication to the new app. - Took responsibility as technical PM for the Android team for 2 months when our Android PM left the company unexpectedly. - Development and maintenance of Marley Spoon's new services. - Built the new Android and iOS app for MarleySpoon customer-facing app, working with a team of 4 Android developers and 3 iOS developers. - Introduced remote config and new authentication to the new app. - Took responsibility as technical PM for the Android team for 2 months when our Android PM left the company unexpectedly.

Co-Founder

• Oct 2020 - Oct 2021

- Built and led a team of talented engineers to develop the next generation of financial systems for the German market, focusing on backend engineering tasks and system architecture - Developed the MVP version of the system, but it was not released due to financial regulations and funding issues - Analyzed the market and engaged in conversations with potential investors while participating in startup accelerator programs, including FounderStream and IBM - Utilized Go, Java, and Python to implement robust backend services, while employing AWS services such as AWS Lambda, AWS CloudFormation, Amazon EKS, Amazon RDS, and Amazon Aurora for a scalable infrastructure - Implemented microservices using Kubernetes, gRPC, and MongoDB, and focused on mobile applications with Flutter - Ensured seamless integration with Firebase for authentication, real-time data, and other services - Adopted REST API practices to facilitate communication between different components of the system - Maintained a strong focus on software testing life cycle (STLC) to ensure the quality and reliability of the developed product Later on, I joined FiRec, a startup with similar goals and backed by one of the biggest investors in fintech (FinLeap), leveraging the experience gained at Zalamon to create the next-generation financial platform. Show less

Senior Backend Engineer

• Jan 2020 - Jun 2020

- Developed infrastructure for ApyApp's payment and shop systems, employing event-driven microservice architecture with AWS Lambda - Utilized Node.js with Typescript as the primary programming language, working with databases such as MongoDB, Firestore, and PostgreSQL - Assisted the mobile team in designing the infrastructure for the native mobile app - Developed infrastructure for ApyApp's payment and shop systems, employing event-driven microservice architecture with AWS Lambda - Utilized Node.js with Typescript as the primary programming language, working with databases such as MongoDB, Firestore, and PostgreSQL - Assisted the mobile team in designing the infrastructure for the native mobile app

Engineering Lead & Former Co-founder

• May 2017 - Apr 2020

- Developed one white-label app and two internal applications, focusing on backend engineering tasks and ensuring seamless user experience using the latest technologies and solutions - Integrated AWS services, including Elastic Beanstalk, Amazon RDS, and AWS CloudFormation, to build a scalable and robust backend infrastructure - Utilized Java for server-side development, ensuring efficient and maintainable code - Built monolith backend with NodeJS on AWS running on private VPC and EC2 with autoscaling, using MongoDB as the main database. - Designed and implemented native Android and iOS apps using Kotlin and Swift with reactive programming (RxSwift/RxKotlin and MVVM-C) - Provided team leadership, managed project priorities, and ensured efficient budgeting and resource allocation - Integrated Firebase for authentication, real-time socket, remote configuration, dynamic links, and push notifications, with secure JWT token-based communication - Implemented real-time tracking using Mapbox SDK, real-time database, and Google Map SDK for smooth, Uber-like tracking - Optimized route calculations for cost efficiency, using offline calculations when possible and recalculating as needed - Developed a session-based chat feature with technicians using a real-time database, enabling users to upload files and images Show less

Information Technology Lecturer

• Jul 2016 - May 2017

Founder, Software Engineering

• Jan 2013 - Jul 2016

vMagnify involves the coordination and collaboration of talented freelance developers with various levels of knowledge and experience. Our vision is for all traditional businesses to realize the importance of their presence in the current digital market. We assist them in connecting to their target markets more effectively by providing education, designing, and implementing solutions. Throughout my work experience, I have had the pleasure of working with a group of independent developers with excellent interpersonal skills and passion for what they do. Show less