Senior Backend Software Engineer – Payments

Role Overview

• Participate in the development of some of the most critical and challenging services in our ecosystem, seeking to build long-term and sustainable solutions;
• Design, develop, test, deploy, maintain and improve services focusing on performance, scalability, and resilience;
• Expand our ecosystem's capabilities by architecting seamless integrations with 3rd-party partners, directly influencing our market reach;
• Work in a collaborative and agile environment that prioritizes people over process;
• Work with cutting-edge technologies and edge cases at scale;
• Address intricate distributed systems challenges for a platform managing approximately 5 million concurrent requests, maintaining 99.9% availability during feature deployment.
• Live the mission: inspire and empower others by genuinely caring for your own wellbeing and your colleagues. Bring wellbeing to the forefront of work, and create a supportive environment where everyone feels comfortable taking care of themselves, taking time off, and finding work-life wellness.

Requirements

• Bachelor’s degree in computer science or equivalent professional experience;
• Experience with microservices and high-volume distributed systems;
• Experience with SQL technology such as PostgreSQL, MySQL, Oracle, SQL Server or any other relational database;
• Focus on making things right and better at every opportunity;
• Solid experience with RESTful APIs written in
• Java/Kotlin + Spring (main stack)
• Asynchronous processing and data pipelines
• Software Architecture knowledge
• Event-driven architectures
• Serverless
• Software quality and test automation mindset;
• Cloud computing (AWS) and Cloud Native (K8s) experience;
• Good communication skills and English proficiency.

Tech Stack

• AWS
• Cloud
• Distributed Systems
• Java
• Kotlin
• Kubernetes
• Microservices
• MySQL
• Oracle
• Postgres
• Spring
• SQL

Benefits

• WELLHUB: Free Gold+ membership with access to onsite gyms and studios, digital fitness programs, and online wellness resources for meditation, nutrition, mental wellbeing support, and more! Add up to three family members to your plan, ensuring access to wellness for those who matter most to you.
• WELLZ: A complete emotional wellbeing program with a unique approach. It offers personalized journeys that combine individual therapy sessions (52 per year) and on-demand content.
• HEALTHCARE: Health, dental, and life insurance.
• FLEXIBLE WORK: As a Flexible First company, we offer hybrid and remote options to give you the freedom to work in a way that suits you. The model for this specific role can be discussed with your recruiter and hiring manager. When you join, use our home office reimbursement to set up your home office.
• FLEXIBLE SCHEDULE: Flexibility for us isn’t just about where we work—it also means being able to shape how and when we get things done. Together with their leaders, employees define schedules that align with their time zones, team needs, and personal routines.
• PAID TIME OFF: It’s important to take time away from work to recharge. Employees receive vacations after 6 months and additional 3 days off per year + 1 day off for each year of tenure (up to 5 additional days) + an extra holiday for your birthday!
• PAID PARENTAL LEAVE: Welcoming a new child is one of the most special moments in your life. Take the time to be present and enjoy your growing family. We offer 100% paid parental leave to all new parents. Parents giving birth are eligible for an extended leave and a ramp-back period to return part-time while they get settled.
• CAREER GROWTH: Access world-class platforms, participate in interactive sessions, build your personalized development roadmap, and explore internal opportunities. We focus on continuous learning and feedback to support your journey toward personal and professional success.
• CULTURE: You’ll join a team of passionate people who come together to break boundaries, support each other, and create a meaningful impact in workplace wellness. We win together, building trust through open communication and a culture where every perspective matters.