Middle Java Engineer (Kotlin/Python, Ukraine) #15160

Purpose Of The Job

The client is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The mission of the T&S Foundations team is to deliver fast, secure, reliable, and scalable platforms that power Trust and Safety business use cases. As a cornerstone of our organization, we manage critical foundational systems that support and empower Identity management, underwriting and Fraud prevention . We manage platforms such as - the external vendor integration platform, credit report services, user step-up service, Counters and rate limiters, state machine libraries for risk evaluation, and more. Our current primary focus is rapidly developing external data and vendor integrations on our external vendor integration platform to support international expansion. We are also integrating these data points into decisioning and risk engine to enhance key processes such as identity verification, fraud detection, and credit underwriting. Team Culture: We are a close-knit team committed to building the kind of team we want to be part of while maintaining high-performance culture. We live by the following values: Make sure everyone is heard, make time for one another, do not be afraid to provide direct and constructive feedback, encourage questions, support growth, maintain strong communication, and create high-quality, scalable, self-service, and thoroughly tested products.

Main Tasks And Responsibilities

What You'll Do

With the support of your team’s tech lead and manager, you will break down larger

projects into individual tasks, deliver them in multiple phases, and collaborate with other

teams and external data vendors to ensure timely delivery of your work.

You will design, build, enhance, and scale external data and vendor integrations to

support international expansion. Develop and enhance our external vendor

integration platform to streamline onboarding and data flow.

You will Integrate external data sources into decisioning and risk engine to

strengthen identity verification, fraud detection, and credit underwriting. Monitor and

improve integration performance, ensuring high availability and low latency for critical

decision-making.

You will support your peers and stakeholders in the development lifecycle by

collaborating with product management, analytics by participating in ideation, articulating

technical constraints, and partnering on decisions that properly consider risks and

trade-offs.

You will support the operations and availability of your team’s artifacts by creating and

monitoring metrics, escalating when needed, and supporting “keep the lights on” &

on-call efforts. You will optimize data pipelines and infrastructure to ensure seamless,

reliable, and secure integrations.

You will contribute to a sense of community on your team by engaging in growth and

development activities such as participation in the interview process.

Education, Skills And Experience

MUST HAVE:

Skills: 2.5+ years Kotlin (Java), Python (read code, fix minor bugs), AWS, Redis, MySQL and Kubernetes.

Good English!!!

You have a total of 2.5+ years of experience as a backend software engineer.

You have experience designing, developing, and launching backend systems and are

proficient in Java (or Kotlin). Additionally, you have working knowledge of Python.

You are familiar with the building blocks of distributed systems, and the technologies like

AWS, Redis, MySQL and Kubernetes.

You are comfortable navigating a large code base, debugging others' code, and providing

feedback to other engineers through code reviews.

You have mastered taking a simple problem or business scenario into a solution that

interacts with multiple software components, and executing on it by writing clear, easily

understood, well tested and extensible code.

Your experience demonstrates that you take ownership, proactively seeking feedback

from your team, your manager, and your stakeholders.

You have strong verbal and written communication skills that support effective

collaboration with our global engineering team.