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- Tasks: Design and scale critical blockchain payment systems for seamless crypto transactions.
- Company: Fast-growing fintech and crypto software company with elite builders.
- Benefits: Competitive salary, flexible work environment, and opportunities for professional growth.
- Why this job: Join a high-impact role at the forefront of fintech innovation and blockchain technology.
- Qualifications: Experience in backend engineering, payments systems, and fluency in Rust or Go.
- Other info: Dynamic team culture focused on speed, ownership, and tackling complex challenges.
The predicted salary is between 36000 - 60000 £ per year.
We are a fast-growing fintech and crypto software company made up of elite builders moving quickly and pushing the boundaries of what's possible. We operate with a strong focus on speed, ownership, and high talent density, and we build critical infrastructure used at global scale. As a Blockchain Payments Engineer, you will act as a core architect and owner of mission-critical financial systems. You'll design and scale the infrastructure that powers seamless fiat crypto flows, real-time risk decisions, and highly reliable financial records. This is a hands-on, high-impact role at the centre of payments, compliance, and blockchain operations.
Who You Are
You are a backend and payments-focused engineer with a passion for high-throughput, low-latency distributed systems, fintech infrastructure, and blockchain-based financial products. You thrive in ambiguous environments and take full ownership of complex systems.
Essential Qualifications
- Fiat Onramp Expertise: Proven experience building fiat onramps end to end.
- Systems Design & Scale: Deep experience designing and operating high-scale payments, fintech, or risk platforms.
- Programming Languages: Fluency in Rust or Go, or strong systems experience in TypeScript/Node or Python.
- Databases: Expert-level Postgres knowledge (transactions, indexing, locking), with experience using Redis and event/analytics stores (e.g., Kafka/Redpanda, ClickHouse).
- API Design: Strong command of REST/gRPC best practices, including auth, versioning, pagination, idempotency, and webhook consumers.
- Event-Driven Architecture: Experience with queues, outbox/inbox patterns, sagas, and exactly-once-effective processing.
- Security Mindset: Hands-on experience with key management, HSM/KMS, secrets hygiene, least-privilege access, and auditability.
- Ownership & Ambiguity: Comfortable moving fast, making decisions, measuring outcomes, and iterating in high-ambiguity environments.
Nice to Have
- Payments experience: ACH/NACHA returns, 3DS/SCA, AVS/CVV, BIN analysis, chargebacks, mobile wallets.
- Open banking integrations and bank transfer initiation.
- Fraud and risk tooling: rule engines, device fingerprinting, feature stores, dispute workflows.
- Compliance tooling: sanctions and PEP screening, Travel Rule networks, SAR/STR workflows.
- Crypto operations: wallet infrastructure, stablecoin flows, blockchain analytics integrations.
- Accounting systems: double-entry ledgers, reconciliation pipelines, and regulatory/tax reporting data models.
- Infrastructure: Cloud platforms, infrastructure-as-code, containers/orchestration, CI/CD, observability tooling.
Blockchain Payments Engineer in London employer: TechChain Talent
Contact Detail:
TechChain Talent Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Blockchain Payments Engineer in London
✨Tip Number 1
Network like a pro! Connect with folks in the fintech and crypto space on LinkedIn or at industry events. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects related to blockchain payments or fintech systems. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for those interviews! Brush up on your knowledge of fiat onramps, API design, and event-driven architecture. We recommend practising common interview questions and even doing mock interviews with friends to boost your confidence.
✨Tip Number 4
Apply through our website! We’re always on the lookout for talented individuals like you. Don’t hesitate to submit your application directly on our site, as it shows your enthusiasm and commitment to joining our team.
We think you need these skills to ace Blockchain Payments Engineer in London
Some tips for your application 🫡
Show Your Passion for Blockchain: When writing your application, let your enthusiasm for blockchain and fintech shine through. We want to see how your experience aligns with our mission of pushing boundaries in the crypto space.
Highlight Relevant Experience: Make sure to detail your experience with fiat onramps and high-scale payment systems. We’re looking for specific examples that demonstrate your expertise and how you’ve tackled complex challenges in the past.
Be Clear and Concise: Keep your application straightforward and to the point. We appreciate clarity, so avoid jargon unless it’s necessary to showcase your skills. Remember, we want to understand your qualifications quickly!
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for this exciting role at StudySmarter.
How to prepare for a job interview at TechChain Talent
✨Know Your Tech Inside Out
Make sure you’re well-versed in the programming languages mentioned, especially Rust or Go. Brush up on your Postgres skills and be ready to discuss your experience with databases and API design. They’ll want to see that you can talk confidently about your technical expertise.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've tackled complex systems in the past. Think about situations where you had to make quick decisions in ambiguous environments. Highlight your ownership of projects and how you’ve driven them to success, especially in fintech or blockchain contexts.
✨Understand the Business Impact
Be ready to discuss how your work as a Blockchain Payments Engineer can impact the company’s bottom line. They’re looking for someone who understands the importance of high-throughput and low-latency systems. Show them you can connect the dots between technology and business outcomes.
✨Ask Insightful Questions
Prepare thoughtful questions that show your interest in their operations and future plans. Inquire about their approach to compliance and risk management, or how they handle scalability challenges. This not only demonstrates your knowledge but also your enthusiasm for the role.
