Senior Software Engineer I - Payment Processing Platform

Wise
Tallinn
Workplace: HybridFull timeEUR 5,550 - 6,900 monthlyFunction: Software EngineeringSkills: ["Communication","Team collaboration","Problem-solving","Writing clean code","Test-driven development"]

Join Wise’s Payment Processing Platform to build reliable, scalable services used by multiple product teams for transfers and payouts. You’ll work on distributed microservices with Java 11 and Spring, ensure high performance, contribute to testing and code quality, and collaborate across teams to solve customer payment challenges while simplifying integration for internal users.

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Wise
Wise
5 months ago

Senior Software Engineer I - Payment Processing Platform

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Last checked: 3 hours agoStatus: Live

Job Summary

Join Wise’s Payment Processing Platform to build reliable, scalable services used by multiple product teams for transfers and payouts. You’ll work on distributed microservices with Java 11 and Spring, ensure high performance, contribute to testing and code quality, and collaborate across teams to solve customer payment challenges while simplifying integration for internal users.
Location: Tallinn
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Develop and maintain high‑quality, testable Java services for the payment platform using Spring and microservice patterns.
  • •Collaborate with product and cross‑functional teams to deliver scalable, reliable payment transfers and payouts solutions.
  • •Participate in code reviews, promote best practices, and provide open feedback to teammates.
  • •Design and optimize data models, messaging flows, and schemas for scalable payment processing.
  • •Contribute to automation and testing efforts to enable rapid, safe deployments and improvements
Travel: Low travel

Pay and Benefits

Salary: EUR 5,550 - 6,900 monthly
Perks:Travel Allowance

Key Requirements

  • •Solid Java 11+ knowledge with Spring framework and microservice best practices.
  • •Experience with distributed and concurrent systems; hands‑on knowledge of microservice architecture patterns.
  • •Experience working with relational databases and messaging queues; ability to design schemas.
  • •Excellent communication skills to drive cross‑team projects and articulate technical concepts to non‑technical audiences.
  • •Strong product mindset and focus on user experience; data‑driven decisions to fix customer pain points
Experience:Financial servicesPaymentsFintech
Skills:CommunicationTeam collaborationProblem-solvingWriting clean codeTest-driven development
Languages:English
Tech Stack:JavaSpringMicroservicesDistributed systemsRelational databasesMessaging queues

Company Brief

Wise
Wise (formerly TransferWise) is a London-based fintech that provides low-cost international money transfers, multi-currency accounts and payment infrastructure for individuals and businesses worldwide.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: London, United Kingdom
Founded: 2011
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Glassdoor: 3.8
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