Backend Engineer | Mid - Senior | PHP + Go | Payments Team at Nord Security

The world’s most advanced VPN, and a whole lot more.   If you’re a curious problem-solver who carves their own path, join the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN on the planet—tools that put privacy, security, and control back in people’s hands. Your impact? Helping millions take back control of their online security, privacy, and data. Our Payment Team powers Nord Security’s global business. We build and maintain the systems behind secure, seamless payment experiences for users worldwide. Working with a broad network of international payment providers, we operate at a large scale and solve challenges tied to high-load environments, complex payment flows, and recurring subscription payments. This is a place for engineers who thrive on tackling complex problems, designing resilient systems, and continuously improving their craft. You’ll build critical components that directly impact how customers pay and manage subscriptions for our globally trusted products. If you’re looking for a team that values ownership, innovation, and technical excellence, you’ll feel right at home. Main Responsibilities • Design, build, and maintain APIs, services, and systems in our Payments’ infrastructure; • Write high-quality code that is tested, maintainable, documented, and performs well under load; • Work with different payment methods from all around the world; • Integrate new service providers, each with its own code and functionality; • Improve engineering standards, tooling, and processes; • Collaborate with your team members, QA, DevOps, and security teams on day-to-day tasks; • Mentor colleagues and provide technical guidance when needed; • Perform R&D operations and find solutions to new and challenging problems we encounter; Core Requirements • Proven experience working with PHP; • Experience working with Golang; • Proven experience building microservices and knowledge of microservices patterns; • Understanding of OOP principles and good code design; • Understanding of API design; • Good MySQL knowledge; • Experience working with Git; • Knowledge of Docker, Kubernetes, RabbitMQ, and Redis is a plus. Tools You Will Use • PHP; • Golang; • MySQL; • Redis; • KeyDB; • RabbitMQ; • Docker; • Kubernetes; • ArgoCD; • Debezium; • OpenSearch/ElasticSearch; • Grafana. Salary Range • Gross Salary 3200 - 7200 EUR/Month. What We Offer Innovate with industry leaders Work alongside global experts to build world-leading cybersecurity tools, impacting millions of users around the world. Learn & grow Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company.  Work in a next-gen Cyber City office Thrive in our bustling office, featuring ergonomic workspaces, modern meeting rooms, engaging events, and specialty coffee to fuel your day. Hybrid work Enjoy the flexibility with 3 office days and working from home for the remaining 2. Work from anywhere Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive.   Physical well-being Boost your health with free-of-charge 24/7 gym access, onsite and online workouts, and consultations led by in-house Physical Well-Being experts.  Mental & emotional health Nurture your mind with free psychologist consultations, dedicated mental health events, and premium access to top-rated wellness apps like Calm, Headspace, and Mindletic. Premium healthcare Receive private health insurance giving you peace of mind for your health needs. Extra days off Enjoy additional vacation days off as you grow with us. Plus, get extra days for sick leave, special occasions, or parenting needs.   Joyful moments – special treats Celebrate life’s big moments with special gifts from us on your birthday, anniversary, and other major events, such as weddings or the arrival of a new family member.   Company events & team-building Experience iconic Nord Security celebrations, team-buildings, and knowledge-sharing events, nurturing bonds that fuel our success. Workation Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together. Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes: [Upgrade to PRO to see link] We expect all candidates to provide accurate and complete information during the recruitment process. While limited use of AI tools to refine application materials is acceptable, candidates remain fully responsible for ensuring that their submissions reflect their own qualifications, skills, and experience. Any failure to do so may negatively affect participation in the recruitment process. If broader AI assistance is allowed for a particular role or stage, we’ll let you know in advance. By submitting your application, you acknowledge that it may be processed using automated tools for evaluation purposes. As part of our recruitment process, we may use an AI-based application review tool to help assess applications based on skills and experience relevant to the role. This technology is used to support - not replace - human decision-making, and every application is ultimately reviewed by a recruiter. If you would like more information about how AI is used in this process or wish to exercise your rights under applicable data privacy laws, please contact us at [Upgrade to PRO to see contact]. Should you prefer to opt out of the automated evaluation, please submit your application directly to [Upgrade to PRO to see contact].