Senior Software Engineer - KYC Onboarding APIs

Wise Platform; City of Westminster; On-site; GBP 90,000 - 130,000; Full time

Job summary

Wise Platform in London is seeking a product-focused Senior Software Engineer to build seamless KYC and onboarding APIs for our partners. You will own the technical roadmap within a cross-functional squad, delivering scalable microservices and robust event-driven architectures using Kafka.

You will mentor engineers and influence cross-team initiatives, ensuring high performance, reliability and security across our partner integrations. Strong Java/Spring experience is essential.

Qualifications

• Experience building public-facing APIs for platforms and partners.
• Strong background in designing scalable microservices and event-driven architectures.
• Proven ability to influence product roadmaps and cross-functional teams.
• Hands-on experience with Kafka or similar messaging systems.
• Proficient in relational and non-relational databases and data lifecycle management.
• Demonstrated leadership and mentoring of engineers.

Responsibilities

• Design and build public-facing APIs for Wise Platform and our partners that are intuitive, consistent, and easy to use.
• Own and drive technical roadmaps across domain (squad/tribe level), addressing debt, reliability, scalability and security.
• Architect robust and scalable microservices using event-driven patterns.
• Be a key influencer in product roadmapping with cross-functional teams.
• Lead cross-team initiatives that unlock new features for partners.
• Mentor engineers through code reviews and best practices.
• Work with Java/Spring to deliver clean, testable, high-performance code.
• Deep dive into distributed systems and concurrency patterns.
• Operate robust event pipelines with Kafka or similar messaging systems.
• Collaborate with product, analytics, compliance and operations.

Skills

Java

Spring Framework

Microservices

Event-driven design

Distributed systems

Data-driven decision making

Product mindset

Mentoring

Technical leadership

Tools

Kafka

SQL databases

NoSQL databases

Job description

Wise Platform in London is seeking a product-focused Senior Software Engineer to build seamless KYC and onboarding APIs for our partners. You will own the technical roadmap within a cross-functional squad, delivering scalable microservices and robust event-driven architectures using Kafka.

You will mentor engineers and influence cross-team initiatives, ensuring high performance, reliability and security across our partner integrations. Strong Java/Spring experience is essential.