Mile is available for hire
Hire MileMile Trendafiloski
Verified Expert in Engineering
Software Engineer and Developer
Berlin, Germany
Toptal member since October 12, 2023
Bio
Mile is a senior software engineer with around seven years of professional experience working as a back-end engineer in Java/Kotlin with Spring Boot and Quarkus. He has also gained several years of experience as a full-stack engineer, working on the front end with TypeScript and React. His expertise makes him a great addition to any team.
Portfolio
Zalando
Java, Kotlin, Spring Boot, Kubernetes, Docker, Grafana, Algorithms...
Superchat
Quarkus, Kotlin, PostgreSQL, Amazon Web Services (AWS), IntelliJ IDEA, REST...
Mister Spex
Java, React, TypeScript, Node.js, IntelliJ IDEA, REST, Back-end, Git...
Experience
- Software Engineering - 10 years
- Java - 8 years
- Distributed Applications - 6 years
- Databases - 6 years
- Kotlin - 6 years
- API Applications - 6 years
- Applications - 6 years
- Spring Boot - 4 years
Work Experience
Senior Software Engineer
2024 - PRESENT
Zalando
- Developed and maintained several services that optimize the warehouse algorithms.
- Created a Grafana dashboard to observe and monitor the service.
- Participated in regular discussions about system architecture and best software practices.
Technologies: Java, Kotlin, Spring Boot, Kubernetes, Docker, Grafana, Algorithms, Data Structures, SaaS, Elasticsearch, API Development, Back-end Development, Code Review, Debugging, Credit Systems, Software as a Service (SaaS), Gradle, JVM, AI-assisted Development, Event-driven Design (EDD), Software Architecture, Large Language Models (LLMs), Agentic AI, Claude Code
Senior Back-end Developer
2022 - 2024
Superchat
- Integrated the WhatsApp Cloud API for sending and receiving WhatsApp messages and templates, used by hundreds of thousands of daily users.
- Integrated the Typesense search engine into the product, enabling seamless data ingestion and search capabilities.
- Revamped the codebase testing structure, reducing the run time in continuous integration (CI) by half.
- Participated in code reviews and significantly enhanced code quality by implementing cleaner and more efficient solutions.
- Fixed bugs and actively contributed to architectural discussions to make crucial decisions for the product's design.
Technologies: Quarkus, Kotlin, PostgreSQL, Amazon Web Services (AWS), IntelliJ IDEA, REST, Back-end, Git, Distributed Applications, API Applications, Databases, Applications, Computer Science, Algorithms, Design Systems, Spring, Data Structures, Datadog, MySQL, API Integration, Amazon S3 (AWS S3), Unit Testing, Integration, Software Engineering, Parallel Programming, Hibernate, WhatsApp, WhatsApp API, SQL, Docker, Terraform, Kubernetes, CI/CD Pipelines, REST APIs, APIs, SaaS, Elasticsearch, API Development, Back-end Development, Code Review, Debugging, Credit Systems, Software as a Service (SaaS), Gradle, JVM, Event-driven Design (EDD), Startups, Software Architecture
Software Engineer
2021 - 2022
Mister Spex
- Enhanced shop processes and increased customer satisfaction by developing the software infrastructure for shop assistants using Java, Spring, PostgreSQL, and React.
- Extracted a microservice from a monolithic architecture and implemented it in Node.js, reducing the complexity of the monolith and improving the scalability of the application.
- Participated in collaborative coding sessions focused on exchanging insights and practices related to test-driven development (TDD).
- Automated the product synchronization process by developing the syncing service infrastructure using Node.js and AWS Lambda.
- Built the infrastructure for the end-to-end testing using Cypress.
Technologies: Java, React, TypeScript, Node.js, IntelliJ IDEA, REST, Back-end, Git, Distributed Applications, API Applications, Databases, Applications, Computer Science, Algorithms, Design Systems, Spring, Data Structures, Datadog, MySQL, API Integration, Unit Testing, Integration, Front-end, Full-stack, Software Engineering, HTML, CSS, Hibernate, Cypress, Test-driven Development (TDD), SQL, Next.js, Stripe, Docker, CI/CD Pipelines, Microservices, REST APIs, Full-stack Development, AWS Lambda, PostgreSQL, APIs, SaaS, Elasticsearch, API Development, Back-end Development, Code Review, Debugging, Credit Systems, Software as a Service (SaaS), Gradle, JVM, Software Architecture
Senior Software Engineer
2021 - 2021
Sun Basket
- Developed the order cancellation system to increase the customer retention rate of Sun Basket. I worked closely with Brightback and integrated their API.
- Created several new order types for both the front and back end and integrated them into the mainframe.
- Collaborated with a diverse team of six professionals from various backgrounds to enhance and expand product features.
- Revamped the testing framework, resulting in a paradigm shift in how various stakeholders perceive testing.
- Mentored less experienced engineers and participated in regular teaching sessions.
Technologies: Java, Spring Boot, Jakarta Server Pages (JSP), React, Amazon Web Services (AWS), DevOps, IntelliJ IDEA, REST, Back-end, Git, Distributed Applications, Kotlin, JavaScript, API Applications, Databases, Applications, Computer Science, Algorithms, Design Systems, Spring, WordPress, jQuery, Data Structures, Datadog, MySQL, API Integration, Amazon S3 (AWS S3), Unit Testing, Integration, AWS Lambda, Front-end, Full-stack, Software Engineering, HTML, CSS, Python, Hibernate, TypeScript, SQL, Next.js, Stripe, Docker, Kubernetes, CI/CD Pipelines, Microservices, REST APIs, Full-stack Development, APIs, SaaS, API Development, Back-end Development, Code Review, Debugging, Credit Systems, Software as a Service (SaaS), Gradle, JVM, Event-driven Design (EDD), Software Architecture
Full-stack Engineer
2020 - 2021
Producement
- Developed an AI chatbot. Integrated MindMup in a Spring Boot application with a React front end.
- Created a website from scratch to open a company in Estonia using the e-residency scheme. The back end was done with Spring Boot and Kotlin, and the front end with React.
- Gathered customer feedback about the projects and subsequently implemented responsive measures.
- Participated in coding discussions, internal conferences, and team events.
- Assisted client companies in conducting interviews to ensure the selection of the most suitable candidates.
Technologies: Kotlin, Spring Boot, PostgreSQL, JavaScript, TypeScript, React, MongoDB, IntelliJ IDEA, REST, Back-end, Git, Distributed Applications, API Applications, Databases, Applications, Computer Science, Algorithms, Design Systems, Spring, WordPress, Data Structures, MySQL, API Integration, Amazon S3 (AWS S3), Unit Testing, Integration, AWS Lambda, Front-end, Full-stack, Software Engineering, HTML, CSS, Parallel Programming, Python, Hibernate, SQL, Next.js, Docker, Amazon Web Services (AWS), CI/CD Pipelines, Microservices, REST APIs, Full-stack Development, APIs, SaaS, API Development, Back-end Development, Code Review, Debugging, Credit Systems, Software as a Service (SaaS), Gradle, JVM, Event-driven Design (EDD), Startups, Software Architecture
Software Engineer
2017 - 2019
Netcetera
- Developed an application back end using Spring Boot, Java, SOAP, and REST for a Swiss insurance company in collaboration with a team of engineers. This microservice served as an integral component within the broader application system.
- Built a synchronization feature to insert, update, and delete a massive amount of data.
- Took an in-house Spring Boot course from a Spring Boot certified professional.
- Implemented multiple alterations to the database model and structure by incorporating additional tables into the PostgreSQL database. This segregated data and enhanced overall performance.
- Enhanced the Swagger documentation and addressed code quality issues using SonarQube for detection and resolution.
Technologies: Java, Spring Boot, REST, SOAP, IntelliJ IDEA, Back-end, Git, Distributed Applications, Mobile App Development, API Applications, Databases, Applications, Computer Science, Algorithms, Design Systems, jQuery, Data Structures, MySQL, API Integration, Unit Testing, Integration, Software Engineering, Parallel Programming, Hibernate, SQL, Scala, CI/CD Pipelines, Apache Maven, REST APIs, Full-stack Development, Swagger, SonarQube, APIs, SaaS, Back-end Development, Code Review, Debugging, Software as a Service (SaaS)
Project History
Back-end API for a Ridesharing Application
https://github.com/mile0105/Vozi-Mishko-BackendA back-end API for a ridesharing application that was designed to be used in the Balkans, mainly ex-Yugoslavia. I created the back end from scratch in collaboration with other front-end and mobile engineers.
League of Legends Boosting Website
A website intended for people to ask for boosting on the League of Legends gaming. I was the full-stack developer. I created the front and back ends and linked the League of Legends API. Additionally, I integrated the PayPal API.
Warehouse Management Mobile App and API
A React-native mobile application with a Spring Boot API designed to manage warehouses. I created the project from scratch, designed for a small company in Poland. The additional features that I was assigned to do were:
• offline sync
• social media login
• multiple warehouse support
• offline sync
• social media login
• multiple warehouse support
Education
2019 - 2021
Master's Degree in Computer Science
Gdansk University of Technology - Gdansk, Poland
2014 - 2019
Bachelor's Degree in Computer Science
University of Information Science and Technology "St. Paul The Apostle" - Ohrid, Macedonia
2018 - 2018
Erasmus European Project Certification in Computer Science
Polytechnic of Porto - School of Engineering - Porto, Portugal
2017 - 2017
Erasmus Semester in Computer Science
Politehnica Timisoara - Timisoara, Romania
Skills
Libraries/APIs
React, REST APIs, API Development, jQuery, Stripe, Node.js, WhatsApp API
Tools
IntelliJ IDEA, Gradle, Git, Claude Code, Terraform, Apache Maven, SonarQube, Grafana
Languages
Kotlin, Java, TypeScript, SQL, JavaScript, HTML, CSS, Python, Scala, C#
Frameworks
Spring Boot, Spring, React Native, Hibernate, Next.js, Jakarta Server Pages (JSP), Cypress, Swagger
Paradigms
REST, Unit Testing, Microservices, Event-driven Design (EDD), DevOps, Parallel Programming, Test-driven Development (TDD)
Platforms
JVM, Amazon Web Services (AWS), Docker, WordPress, AWS Lambda, Kubernetes
Storage
Databases, PostgreSQL, Datadog, MySQL, Amazon S3 (AWS S3), Elasticsearch, MongoDB
Other
Quarkus, Distributed Applications, API Applications, Applications, Algorithms, Computer Science, Software Engineering, Back-end, Design Systems, Data Structures, API Integration, Integration, Full-stack, Full-stack Development, APIs, SaaS, Back-end Development, Code Review, Debugging, Software as a Service (SaaS), Startups, Software Architecture, Front-end, Artificial Intelligence (AI), CI/CD Pipelines, FastAPI, Credit Systems, AI-assisted Development, Large Language Models (LLMs), Agentic AI, Data Science, SOAP, Mobile App Development, Convolutional Neural Networks (CNNs), Machine Learning, Deep Learning, Data Analysis, WhatsApp
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