Sr. Backend Engineer - Payments Intelligence

About IXOPAY

IXOPAY is the enterprise-grade global payment infrastructure platform built for the era of agentic commerce. We equip merchants and enterprises with AI-driven intelligence, payment orchestration, advanced tokenization, and the tools to optimize every stage of the payments journey.

From intelligent routing and compliance to customizable modules and enterprise-scale orchestration, IXOPAY helps businesses integrate faster, improve payment performance, and expand globally with confidence.

At IXOPAY, our people are our greatest strength. Our collaborative culture is built on shared values that guide how we work, innovate, and support our customers.

About the Role

We're looking for a Senior Back-End Engineer to help build the next generation of IXOPAY's AI Payments Intelligence platform.

In this role, you'll design and develop the backend services and data infrastructure that power AI-driven insights, analytics, and payment optimization. Working closely with Product, Data Science, and Engineering teams, you'll build scalable systems that help enterprise merchants improve payment performance, reduce costs, and make smarter decisions using their payment data.

This is a hands-on engineering role with significant ownership and the opportunity to influence both technical architecture and product direction.

What You'll Do

• Design, build, and maintain scalable backend services for our AI Payments Intelligence platform.

• Develop data pipelines, ETL processes, and cloud-native infrastructure that process large volumes of payment transaction data.

• Build the backend services that power analytics, dashboards, AI-driven insights, and customer-facing reporting.

• Collaborate with enterprise customers to integrate payment data from PSPs, acquirers, and other external systems.

• Partner with Product, Data Science, and Engineering teams to design new platform capabilities and contribute to architectural decisions.

• Develop secure, reliable APIs and integration services for payment gateways, reporting APIs, webhooks, and other data sources.

• Optimize backend systems for performance, scalability, security, and high availability.

• Stay current with emerging technologies and contribute to engineering best practices across the platform.

What You'll Bring

Required

• 7+ years of experience in backend software engineering, data engineering, or database development.

• Strong Python development experience building scalable backend applications and data processing systems.

• Hands-on experience with AWS services, including S3, Lambda, DynamoDB, Cognito, SQS, and related cloud technologies.

• Experience designing and maintaining data pipelines and cloud-native architectures.

• Strong problem-solving skills and the ability to work independently in a collaborative, agile environment.

• Excellent communication skills and attention to detail.

Preferred

• Experience with payment data analytics, payment gateways, PSP integrations, or FinTech platforms.

• Experience with analytical databases such as ClickHouse or Snowflake.

• Experience building AI or machine learning infrastructure and supporting analytics platforms.

• Previous experience working in a startup or high-growth technology company.

Location

This is a remote-friendly position. We welcome applications from candidates based in Germany or Italy, with a preference for those located in or near Munich. You'll have the flexibility to work remotely or from our Munich office.

Why Join IXOPAY?

At IXOPAY, you'll help build the data infrastructure and backend services powering the next generation of enterprise payments. You'll work on complex engineering challenges involving AI, large-scale payment data, and cloud-native technologies while collaborating with experienced engineers and product teams in a fast-growing international company.

We offer:

• Competitive salary and benefits

• Professional growth and development opportunities

• A collaborative, international engineering culture

• Flexible remote working with the option to work from our Munich office

Our Commitment to Inclusion

We know great candidates don't always meet every qualification. If you're excited about this opportunity, we encourage you to apply—we'd love to hear what you can bring to IXOPAY.

Equal Opportunity Employer

IXOPAY is committed to building an inclusive workplace where everyone can thrive. We welcome applications from all qualified candidates regardless of race, ethnicity, religion, gender, gender identity or expression, sexual orientation, age, disability, or any other characteristic protected by applicable law.