Web3 Engineering JavaScript Jobs in London, United Kingdom

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.

Responsibilities

• Work directly with merchants and PSP partners to guide them through the full integration lifecycle, from solution design and API integration to testing, go-live, and post-launch support.

• Lead technical discussions with merchant product and engineering teams to design optimal integration approaches using Binance payment solutions.

• Act as the primary liaison between merchants, product managers, and engineering teams to ensure smooth communication and efficient problem solving.

• Provide hands-on support during merchant integrations, helping troubleshoot technical issues and ensuring a high integration success rate.

• Educate merchants on integration best practices, API usage, and optimal payment flows for both web and mobile environments.

• Support merchants in designing effective checkout experiences and payment UI/UX to improve end-user conversion and payment success rates.

• Conduct integration testing with merchants and internal teams to validate payment flows and ensure readiness for launch.

• Analyze merchant feedback, performance data, and market trends to identify opportunities to improve Binance payment products and integration tools.

• Collaborate with product teams to close functionality gaps and propose enhancements that improve merchant integration experience.

• Engage with merchants regularly to understand their needs, gather insights, and help optimize their payment integration over time.

Requirements

• 5+ years of experience in payment integrations, fintech, or merchant-facing technical roles

• Experience working with payment gateways, PSPs, or merchant payment solutions

• Strong understanding of REST APIs and integration workflows

• Ability to work directly with merchant product or engineering teams to guide technical integrations

• Strong communication skills with the ability to explain technical concepts to non-technical stakeholders

• Experience coordinating cross-functional teams across product, engineering, and business

• Familiarity with web or mobile technologies (JavaScript, Node.js, HTML5, Java, Python, etc.) is a plus

• Knowledge in crypto or Web3 payment infrastructure is a strong advantage

Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.