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Senior Software Engineer I - Payment Processing Platform
Posted by Wise on 10 February 2026, 239 days ago. Still on their SmartRecruiters board when we checked 42 min ago. Half of Wise's roles come down within 7 days.
What the posting is about
Develop and maintain reliable, scalable payment processing platform. Collaborate cross-functionally to solve customer pain points. Write clean, testable code and advocate for best coding practices.
Read out of the posting
Levelmid
Experience asked5+ years
EmploymentFull time
LocationTallinn, Estonia
RemoteNot stated
Visa sponsorshipNot stated
SalaryNot published, and most postings do not
Posted2026-02-10
Found viasmartrecruiters, direct from their system
We saw it 8 months after it went up.
The posting, as the company wrote it
Employment: Full-time
Experience level: Mid-Senior Level
Job Description
Payment Processing Platform
Our goal is to provide reliable and scalable services that can be used by all the other product teams in the company. We provide such systems for transfers, and payouts domains.
We want our platform to be easy to use, integrate, and extend, while also enforcing good practices, risks mitigation, and maintaining high performance.
What does it take: 
A strong product mindset and passion for user experience, you prioritise work with the customers in mind and make data-driven decisions to fix customer pain-points 
Great communication skills to drive cross team projects
The ability to articulate complex, technical concepts to non-technical audience
You enjoy writing testable, easy to extend, high-quality code
You have solid Java 11 plus knowledge, experience with Spring framework and microservice best practices
Advocate for best coding practices, code reviews and open feedback
Experience Distributed and Concurrent Systems
Hands on knowledge of microservice architecture patterns
Experience working with relational databases, messaging queues and designing schemas
 
Qualifications
What does success look like?:
You’ll have onboarded and found your place through understanding your team and tribe vision and how you can contribute 
You’ll understand how our values can help you guide your work 
You’ll understand the reasons behind problematic payments and customer difficulties and how to go about solving them 
You’ll be raising the automation level to enable scaling of the product
Understand our customers and the impact our product makes in their lives. You’ll help us scale-up and build a world class money transfer product by finding solutions to our technical challenges and opportunities
What you get back:
The empowerment to solve problems your way and the freedom to have real impact on customers’ lives. 
 
Loads of development opportunities in a growing team through launching new products / features consistently in an in-demand region.
 
A fun work environment with social activities and events
 
Travel opportunities to other Wise offices around the world
 
Additional Information
For everyone, everywhere. We're people building money without borders  — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.
We're proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.
If you want to find out more about what it's like to work at Wise visit  Wise.Jobs .
Keep up to date with life at Wise by following us on  LinkedIn  and  Instagram .
For everyone, everywhere. We're people building money without borders  — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.
We're proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.
If you want to find out more about what it's like to work at Wise visit  Wise.Jobs .
Keep up to date with life at Wise by following us on  LinkedIn  and  Instagram .
Company Description
Wise is a global technology company, building the best way to move and manage the world’s money.
Min fees. Max ease. Full speed.
Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.
As part of our team, you will be helping us create an entirely new network for the world's money.
For everyone, everywhere.
More about our mission and what we offer .
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