Sr Associate Software Engineer(Java Backend Technologies)

Overview

Software Engineer I (Java Backend Development) on the Alternative Payment Methods team, designing and running APM microservices and non-card payment integrations.

What you'll do

• Design, implement, test, deploy, and run APM microservices and components.
• Contribute to component-level design: data models, APIs, SLAs/SLOs, and integration patterns (webhooks, polling, async messaging).
• Deliver new non-card payment integrations: build adapters/connectors, map provider APIs, handle webhooks, support local currencies and regulations.
• Work iteratively through provider sandboxes, certifications, and phased rollouts to speed launches.
• Join the on-call rota with guidance; follow runbooks and improve alerts, dashboards, and docs.
• Add metrics, logs, and traces to monitor integration health and success rates.
• Participate in code/design reviews; follow secure, performant, and reliable coding practices.
• Collaborate with product, QA, SRE, compliance, and regional teams to hit launch dates.
• Triage and fix bugs; do focused refactors and reduce technical debt within components.

What you'll need

• 2-4 years of software engineering experience (or equivalent).
• Proficient with Java, Spring Boot, and Docker.
• TDD is essential.
• Strong automated testing (unit, integration, contract).
• Understanding of distributed systems and integrations: idempotency, retries/backoff, timeouts, circuit breakers, partitioning, fault tolerance.
• Experience with CI/CD and release automation; GitHub-based workflows.
• Comfortable with Agile delivery and continuous improvement.
• Fluent in English (written and verbal).

Nice to have

• Kubernetes, AWS, or OpenShift.
• Kafka or other messaging systems.
• Payments/fintech experience (APMs, scheme integrations), knowledge of regional payment landscapes, PCI-DSS awareness.
• Observability tools (Prometheus/Grafana, OpenTelemetry) and feature flags.
• Experience with provider sandboxes, certification, and staged rollouts.