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Integration Specialist

Nuvei

Sofia, Sofia City Province, Bulgaria Hybrid permanent

Posted: January 15, 2026

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Job Description

The world of payment processing is rapidly evolving, and businesses are looking for loyal and strategic partners to help them grow. WE ARE NUVEI. A Canadian fintech company accelerating the business of clients around the world. Nuvei’s modular, flexible and scalable technology allows leading companies to accept next-gen payments, offer all payout options and benefit from banking, risk and fraud management services. Connecting businesses to their customers in more than 200 markets, with local acquiring in 50+ markets, 150 currencies and more than 700 alternative payment methods, Nuvei provides the technology and insights for customers and partners to succeed locally and globally with one integration. At Nuvei, we live our core values, and we thrive on solving complex problems. We’re dedicated to continually improving our product and providing relentless customer service. We are always looking for exceptional talent to join us on the journey! Your Mission Our Sofia team is looking for a technical specialist to support our clients throughout the technical process of their onboarding to the company's SaaS platform. The person in this role will manage on-going integration projects involving different departments and teams, representing the client's interests in the company. Responsibilities: Manage on-going integration projects involving different internal departments and teams. Representing clients' interests in the company. Tracking the events until cases are resolved, contacting the relevant factors in the organization when needed.

Requirements: At least 3 years of experience with supporting international companies and client with Hi-Tech products. At least 2 years of experience with popular communication protocols (client-server, server-to-server) - IP, HTTP, etc. Knowledge and experience with e-commerce and specifically online payment methods. Ability to quickly analyze technical problems and identify the problem's root cause. Knowledge of Java SE, PHP, JSON, REST API – an advantage Knowledge of HTML, CSS, SQL – an advantage Knowledge of Apple Pay and Google Pay - an advantage. Fluent English. Team player

Benefits: A challenging job in a fast-developing, international company. A friendly work environment where you can thrive and develop your skills. Career advancement possibilities. Competitive remuneration package. Additional Health insurance incl. Dentist. Fully covered MultiSport card. Food vouchers. Employee discounts card, Seminars and conference tickets, Playroom, and other additional perks. Please send your resume in English. Nuvei is an equal-opportunity employer that celebrates collaboration and innovation and is committed to developing a diverse and inclusive workplace. The team at Nuvei is comprised of a wealth of talent, skill, and ambition. We believe that employees are happiest when they’re empowered to be their true, authentic selves. So, please come as you are. We can’t wait to meet you.

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