Senior Back End Software Engineer

About Xe

Xe operates as a cross-border payments platform facilitating currency exchange, collection, holding, and sending of funds for SMEs and consumers primarily located in the US, UK, Canada, Australia, and New Zealand. They serve over 300 million users seeking currency information annually and enable more than 350,000 users to transfer money internationally.

Role Overview

We are seeking a senior back-end engineer to take full ownership of critical problems from initial design and data modeling through to coding, production stability, and deployment. This role involves writing production code for money movement, designing backend services, and leading the delivery of new platform capabilities in a small, agile team environment supported by Euronet Worldwide.

Key Responsibilities

• Architect and maintain backend services handling money transfers and multi-currency balances across domains such as onboarding, KYC/KYB, payment initiation, FX, and settlement.
• Lead cross-functional collaboration with product, compliance, and operations teams from problem definition to feature launch.
• Drive integration and settlement infrastructure development within your domain.
• Ensure operational reliability of your domain through monitoring, incident management, and on-call duties.
• Lead technical design reviews and provide mentorship to mid-level engineers.
• Leverage AI-assisted coding tools daily to enhance the software development lifecycle and lead modernization efforts transitioning legacy services to modern platforms.

Candidate Profile

• 6 to 10+ years of experience building production-grade backend services end-to-end.
• Expertise in C#/.NET preferred; other OOP languages such as Java, Kotlin, or Go are also acceptable.
• Solid understanding of SQL and relational database concepts.
• Proven ability to write and maintain automated tests.
• Hands-on experience deploying and managing applications in AWS environments, including use of SQS, DynamoDB, S3, ECS, Lambda, and CI/CD.
• Strong skills in system design, including service-oriented architectures, microservices, and event-driven models.
• Domain experience in payments, foreign exchange, or regulated financial industries.
• Demonstrated technical leadership experience including mentoring, making architectural decisions, and conducting design reviews.
• Excellent communication skills in both written and verbal forms.

Preferred Qualifications

• Experience with financial ledgers, double-entry accounting systems, or financial data management.
• Involvement in hiring, onboarding, or interviewing engineers.
• Experience leading platform modernization or migrations.
• Familiarity with caching technologies such as Memcached or Redis.
• Use of project management/documentation software like Jira and Confluence.
• Knowledge of API testing tools like Postman or Bruno.
• Experience integrating AI-assisted test automation tools.

Benefits and Perks

• Paid day off on your birthday.
• Incremental annual leave increases up to 5 extra days based on years of service.
• Employer contributions to KiwiSaver beyond base salary.
• Healthcare coverage.
• Discounts through Euronet Employee Stock Purchase Plan (ESPP).
• One paid volunteering day per year for a charity of choice.
• Office provides fresh fruit, snacks, beverages, and coffee.
• Access to mental health and wellness resources through Plumm.

Inclusion Statement

Xe is committed to fostering an inclusive workplace that reflects the diversity of the communities we serve. As an Equal Opportunity Employer, we welcome all qualified candidates regardless of age, race, gender identity, sexual orientation, religion, disability, or any other legally protected characteristics. Accommodations are available on request to applicants with disabilities.

Additional Notice

The responsibilities and requirements described reflect the general nature of the role and are not exhaustive. The company maintains the right to adjust duties as necessary.