Senior Backend Engineer - Remote Spain, AI-driven, Pod Owner

JobFluent; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

Playtomic is seeking a Senior Backend Engineer to build robust, scalable APIs and services. You will own your domain end-to-end, set technical direction, and work with cross-functional teams to deliver high-performance, secure backend systems.

Expect hands-on coding, architectural decision-making, and collaboration across product and engineering. Experience with Spring Boot, Java, MongoDB, MySQL, and Kubernetes is preferred.

Qualifications

• Proven backend engineer with API design experience.
• Strong English communication and cross-functional collaboration.
• Experience with Spring Boot, Java 17/21, MongoDB, MySQL (Aurora) and Kubernetes.
• Production-ready experience building APIs and services.

Responsibilities

• Develop and maintain APIs and services powering frontend and third-party integrations.
• Own domain end-to-end from design to production health.
• Collaborate with product managers, designers, and frontend/mobile engineers to balance tech and business impact.
• Ensure high performance and secure transactions across the stack.

Skills

Backend development

API design

Java

Spring Boot

Distributed systems

Code reviews

Education

Degree in CS/Engineering

Tools

Spring Boot

Java 17/21

MongoDB

MySQL (Aurora)

Kubernetes

Job description

Playtomic is seeking a Senior Backend Engineer to build robust, scalable APIs and services. You will own your domain end-to-end, set technical direction, and work with cross-functional teams to deliver high-performance, secure backend systems.

Expect hands-on coding, architectural decision-making, and collaboration across product and engineering. Experience with Spring Boot, Java, MongoDB, MySQL, and Kubernetes is preferred.