Wise

Senior Software Developer

Wise
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2 days ago
Tallinn, EstoniaSenior

Responsibilities

  • Build systems for real-time transfer and profile decisioning to prevent fraud and scams.
  • Own the technical roadmap and deliverables for key fraud-prevention projects.
  • Design and improve low-latency, reliable, scalable decisioning platforms and address technical debt.
  • Maintain system reliability, security, observability, testing, and appropriate operational risk.
  • Lead technical design from RFCs through delivery and long-term operation.
  • Take a leading role in incident resolution and post-incident reviews.
  • Mentor and coach engineers, support onboarding, conduct interviews, and share knowledge.
  • Collaborate with Product, Data Science, Fraud Operations, Analytics, and fraud specialists.

Requirements

  • Strong experience building and operating production systems on Java/JVM with expert-level technical expertise.
  • Solid understanding of distributed systems and event-driven architectures such as Kafka, including low latency, high availability, and scale.
  • Significant contribution to large, impactful projects and ownership of their technical direction.
  • Experience designing scalable systems with documented API-first interfaces and managing technical debt.
  • Accountability for the reliability, security, and observability of systems built, including incident response.
  • Ability to connect engineering work to customer problems, product outcomes, and roadmap decisions.
  • Experience mentoring and coaching engineers through code reviews, design discussions, and engineering best practices.
  • Excellent communication and cross-functional collaboration skills.
  • Preferred experience with Python, machine learning concepts, deploying models in production, or working with large language models in production.

Benefits

  • Monthly compensation of EUR 5750 - EUR 7083.33.
  • International, diverse, equitable, and inclusive team environment.

Categories

Wise

About Wise

10,000+ employees

Wise builds a cross-border payments and multi-currency account used by individuals and businesses to send, receive, hold, and spend money in 40+ currencies. Revenue comes from transfer and account fees, card interchange, and enterprise partnerships via Wise Platform, which lets banks and large companies embed its international payments. Founded in 2011 as TransferWise, Wise is a London-headquartered public company.

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