Senior Backend Software Engineer (Java)

INFINNI is the infrastructure behind the creator economy.
We're already the leading CRM in our category, with thousands of creators and creator businesses running their operations on our platform.
Now we're building the next layer of products, AI-powered tools, big-data and infrastructure purpose-built for creators.
We're a global team of 180+ builders at the rare inflection point where a category leader becomes a category-defining platform.
The decisions we make in the next 18 months will shape an industry.
About the Role We are looking for an experienced Senior Backend Software Engineer to help build and scale the backend systems powering our global products and platforms.
You will work on highly scalable distributed systems, contribute to the design and implementation of mission-critical services, and collaborate closely with engineering teams across Europe and Asia.
This role is ideal for engineers who are passionate about building reliable, high-performance systems, enjoy solving complex technical challenges, and take pride in delivering high-quality software throughout the full product lifecycle.
What You'll Do: Design, develop, and maintain scalable backend services and distributed systems Build high-quality, maintainable, and production-ready software using Java and the Spring ecosystem Design and implement clean, reliable, and well-documented RESTful APIs Develop resilient event-driven and asynchronous services using modern messaging platforms Optimize application performance, scalability, reliability, and resource utilization Troubleshoot production issues and continuously improve system stability and operational excellence System Design & Technical Contribution Participate in architecture discussions and contribute to technical design decisions Design scalable solutions for high-concurrency, low-latency, and highly available systems Improve system observability through monitoring, logging, tracing, and alerting Identify technical debt and continuously improve system quality and maintainability Participate in code reviews and uphold high engineering standards and best practices Cross-Functional Collaboration Collaborate closely with Product, QA, DevOps, Infrastructure, and other engineering teams Work effectively with distributed engineering teams across Europe and Asia Contribute throughout the full software development lifecycle, from technical design and implementation to deployment and production operations Share technical knowledge and contribute to a collaborative, transparent engineering culture What We're Looking ForCore Qualifications 5+ years of professional experience in backend software development, specializing in Java and distributed systems Strong software engineering fundamentals with solid expertise in object-oriented design, clean code, and maintainable system architecture Extensive experience building and operating microservices using the Spring ecosystem, including Spring Boot and Spring Cloud Strong understanding of computer science fundamentals, including data structures, algorithms, networking, and operating systems Experience designing scalable and distributed systems with a solid understanding of consistency, fault tolerance, high availability, and scalability Proficient in designing RESTful APIs with a strong focus on API usability, versioning, and maintainability Extensive experience with relational databases such as MySQL or PostgreSQL Strong expertise in SQL optimization, indexing strategies, schema design, query tuning, and database scalability Hands-on experience with event-driven and asynchronous architectures using Kafka, RabbitMQ, or similar messaging systems Proven experience designing and optimizing high-throughput, low-latency, and highly available production systems Hands-on experience with AWS cloud services and cloud-native application development using Docker and Kubernetes Familiar with modern DevOps practices, including CI/CD pipelines, automated testing, infrastructure automation, and production monitoring Experience delivering complex production systems throughout the full software development lifecycle, from architecture design to deployment and ongoing operation Strong analytical, problem-solving, and communication skills with the ability to collaborate effectively across cross-functional and distributed teams Nice to Have Experience with frontend technologies such as React, TypeScript, or Electron Experience working in international or distributed engineering teams Experience in high-growth startups or fast-paced product organizations Experience building developer platforms, infrastructure tooling, or AI-enabled systems Experience with observability platforms such as Datadog, Prometheus, Grafana, OpenTelemetry, or similar tools Experience contributing to architectural discussions and technical decision-making WHAT'S IN IT FOR YOU Competitive salary: Attractive compensation and relocation package commensurate with experience and skills.
Bonus Beckham Law tax rate if you are moving to Spain for the first time.
Remote work and yearly company offsite: We offer flexible working hours and location options (work remotely within the Canary Islands, or from our two offices in Tenerife).
Professional growth: Opportunities for career advancement and personal development in a fast-growing company.
Inclusive culture: Be part of a diverse and collaborative team committed to innovation and excellence.
Direct Impact: working with a team focused within a high-growth SaaS company helping creators thrive!
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