Hi, I’m Petar Slavov, a Senior Full-Stack Developer with 15 years of experience building scalable web, mobile, and backend systems across fintech, media, and enterprise domains. I specialize in Node.js, TypeScript, React, React Native, Java, and cloud-native architectures, and I’m passionate about clean architecture, performance optimization, and delivering resilient, user-centric products. I enjoy mentoring teams, leading technical initiatives, and driving architectural improvements. I’m adept at collaborating with stakeholders to shape product direction, and I always strive to deliver high-quality, maintainable solutions while continually learning and adapting to new technologies.

Petar Slavov

Hi, I’m Petar Slavov, a Senior Full-Stack Developer with 15 years of experience building scalable web, mobile, and backend systems across fintech, media, and enterprise domains. I specialize in Node.js, TypeScript, React, React Native, Java, and cloud-native architectures, and I’m passionate about clean architecture, performance optimization, and delivering resilient, user-centric products. I enjoy mentoring teams, leading technical initiatives, and driving architectural improvements. I’m adept at collaborating with stakeholders to shape product direction, and I always strive to deliver high-quality, maintainable solutions while continually learning and adapting to new technologies.

Available to hire

Hi, I’m Petar Slavov, a Senior Full-Stack Developer with 15 years of experience building scalable web, mobile, and backend systems across fintech, media, and enterprise domains. I specialize in Node.js, TypeScript, React, React Native, Java, and cloud-native architectures, and I’m passionate about clean architecture, performance optimization, and delivering resilient, user-centric products.

I enjoy mentoring teams, leading technical initiatives, and driving architectural improvements. I’m adept at collaborating with stakeholders to shape product direction, and I always strive to deliver high-quality, maintainable solutions while continually learning and adapting to new technologies.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Spanish; Castilian
Advanced
German
Beginner

Work Experience

Senior Full-Stack Developer at Payhawk
April 1, 2022 - May 1, 2025
Developed and maintained a large-scale fintech expense management platform for business customers across web and mobile. Implemented onboarding flows including registration, document collection, identity verification, approval workflows, and contract signing. Built user management, bank account opening/closure, and customer migrations between banking providers. Played a key role in a full UI/UX redesign and helped adopt Camunda Cloud to improve process transparency and auditing.
Senior Full-Stack Developer at News UK
September 1, 2019 - April 1, 2022
Built and maintained backend microservices and a React Native application serving hundreds of thousands of The Sun loyalty program users. Integrated authentication, e-commerce, payments, and external content providers. Implemented test-driven development with Cucumber, Puppeteer, and Detox; improved OCR performance by replacing a library with a faster, cost-free alternative; upgraded Java services from 8 to 11.
Senior Full-Stack Developer at Methodia
January 1, 2018 - July 1, 2019
Designed and implemented a microservice-based user portal integrating with multiple external ERP systems. Developed front-end interfaces in React and backend services in Java; built API layers and messaging using ActiveMQ.
Senior Developer at Tek-Experts
October 1, 2016 - December 1, 2017
Developed CPQ and CLM solutions on Salesforce using APEX, Visualforce, and SOQL. Built interactive interfaces and integrated external web services.
SAP Senior Solution Consultant at IBSolution Bulgaria
May 1, 2010 - April 1, 2016
Designed and developed complex UI and business logic using SAP Web Dynpro for Java and SAPUI5. Built middleware logic with Java EE (EJB, SOAP, REST) and implemented database layers using JPA. Conducted client workshops and translated business requirements into technical specifications; worked on BPM and BRM system tasks.
Embedded Systems QA at MM Solutions
October 1, 2007 - May 1, 2010
Tested and validated embedded systems, contributing to product stability and quality.

Education

Bachelor of Computer Science and Technologies at Technical University of Sofia
January 1, 2006 - January 1, 2010
Certificate in Project Management at Projecta
January 1, 2013 - December 9, 2025

Qualifications

Certificate in Project Management
January 1, 2013 - December 9, 2025

Industry Experience

Financial Services, Media & Entertainment, Software & Internet, Professional Services