Senior Software Engineer

About the role

You will join the team responsible for Zephr, a subscription experience platform that enables media companies and digital publishers to manage AI-driven paywalls and user journeys. This role requires a blend of backend and frontend expertise to maintain high-traffic systems while designing scalable architecture. You will work directly with product management and operations to build and support critical subscription infrastructure.

Key facts

What you'll do

• Develop and scale high-throughput, multi-tenanted applications.
• Lead the design and implementation of solutions for complex backend and user-facing challenges.
• Create and maintain secure, performant APIs for internal and public use.
• Translate business requirements into technical specifications.
• Mentor junior team members and conduct code reviews.
• Propose technical standards and improve operational processes.

Requirements

• 7+ years of professional software development experience.
• Proficiency in Java (JDK 21 or newer) and/or Kotlin.
• Experience with Javascript, Typescript, and React.
• Understanding of API design including REST, gRPC, GraphQL, and OpenAPI.
• Knowledge of web fundamentals like HTTP, DNS, and browser tools.
• Familiarity with API security standards such as OAuth2, SAML, and JWT.
• Background in TDD, OOP, SOLID principles, and design patterns.
• Experience managing microservices in production environments.

Nice to have

• Experience with reverse proxies like HAProxy, Envoy, or Nginx, or API gateways like Kong.
• Proficiency with AWS and Terraform.
• Exposure to modern frontend frameworks such as Svelte.
• Familiarity with load testing tools like JMeter, Gatling, or wrk2.
• Skill in JVM profiling and production metrics analysis using Prometheus, Grafana, InfluxDB, or ELK.

Skills & tools

• Java, Vert.x, Spring, NodeJS, AngularJS.
• MySQL, Kafka, Spark.
• AWS, Kubernetes, Terraform.
• REST APIs, Microservices.

Practical notes

• This position requires regular attendance at the London office.
• Benefits include competitive compensation, variable bonuses, retirement programs, medical/dental/vision insurance, flexible time off, paid parental leave, and learning stipends.
• For interview accommodations, contact assistance@zuora.com.