Backend Software Engineer - Senior Specialist

Now, the focus has moved even further, aiming to shape the future of money.

We’re a movement empowering millions of people, driven by a shared purpose to tackle big challenges. You will be joining the Core Team focused on critical systems. This includes managing interactions with external banks, orchestrating payments, and providing the foundational infrastructure for Identity and Access Management (IAM). Additionally, the team is responsible for risk-related services, specifically credit risk management and fraud detection.

As a Senior Backend Software Engineer in the Core Team, you’ll play a critical role in engineering the backbone of our payment platform. You will be responsible for the technical quality and delivery of complex systems that impact multiple services and product teams across the company.

Scale risk & financial engines: You will optimize and implement services dedicated to bank integrations, credit risk, and real-time fraud detection. You will drive technical analysis for projects that span across multiple services. You'll lead technical discussions and produce high-quality documentation (Smart Papers) to ensure that your designs are robust and clearly understood by stakeholders and other engineering pods.

You will ensure technical quality by implementing rigorous testing strategies and overseeing safe rollouts. You will provide technical guidance to junior and mid-level engineers, fostering a culture of operational excellence. You’ll help the team adopt the best tools and methodologies to accelerate development cycles without compromising on security or reliability.

Our tech stack includes (but it’s not limited to) PostgreSQL, Java, Spring Boot . We rely on AWS for our infrastructure, with microservices deployed on EC2/ECS, S3 for storage, AWS Lambda for serverless functions, and Kinesis and ElasticSearch for log streaming. We need a proven problem-solver who takes initiative, excels in cross-team collaboration, and is a technical quality champion. Does it sound like you?

You have at least 5 years of related experience in back-end software engineering. You have a proven track record of working with microservices and cloud environments (AWS is a plus) in high-paced, mission-critical contexts.

You possess deep experience with Java and Spring Boot. You have a strong understanding of distributed systems and how to manage external dependencies (like banking protocols) effectively.

You excel at coordinating implementations with other teams and building trust with various stakeholders.

You are focused on delivering software that meets evolving user needs. You are adaptable, avoid analysis paralysis, and "go the extra mile" to optimize systems beyond the initial requirements.

Passion and language skills: You are passionate about FinTech and fluent in English.

Flexible hybrid working system

Language classes with Preply

Internal workshops & training

&##International relocation support

Flexible Benefit budget

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