Senior Backend Java Engineer

🔥 5 minutes ago

🇪🇸 Spain – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 15%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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INFINNI

WebsiteLinkedInAll Job Openings

51 - 200 employees

☁️ SaaS

🤖 Artificial Intelligence

SaaS • Artificial Intelligence

INFINNI is the technology group behind category-leading software companies building infrastructure for the creator economy. It provides a unified ecosystem of products — CRM, API, AI, Analytics, Big Data — designed to power creator businesses and the companies that support them. INFINNI emphasizes building an operating layer for the creator economy, serving thousands of creator businesses across 180+ countries, enabling customer revenue, and supporting 95,000+ creators. It offers infrastructure capabilities such as modern APIs, purpose-built AI and automation for creator workflows, product intelligence, commercial insights, operational reporting, and a proprietary data foundation for analytics and benchmarking. The company operates major hubs in Tenerife and presents itself as an enduring tech platform for the creator economy.

📋 Description

• Design, build, and evolve backend services in Java and Go from architecture through production • Define and drive architectural decisions for distributed, horizontally scalable systems • Build event-driven systems on Kafka and design data flows handling eventual consistency • Model and optimize data across PostgreSQL, Redis, and analytical stores such as ClickHouse or Apache Doris • Write efficient, safe concurrent code and review concurrency designs • Profile and tune applications for latency, throughput, and memory usage, including JVM and garbage collection tuning • Build and run services on AWS in collaboration with the DevOps team • Mentor engineers through code reviews, design discussions, and pairing

🎯 Requirements

• At least 5 years of experience working as a Senior Developer or Architect • Expert-level Java • Deep experience with Spring (Boot, Data, etc.) and Hibernate/JPA, including understanding of what happens under the hood • Strong command of multi-threading and concurrency in Java, including CompletableFuture, thread pools and executors, the fork/join framework, synchronization primitives, and common pitfalls • Solid grasp of distributed systems concepts, including eventual consistency, idempotency, and horizontal scaling • Hands-on experience with Kafka in production • Strong PostgreSQL skills, including schema design, query optimization, and indexing • Experience using Redis for caching, rate limiting, or other patterns • Experience building and running services on AWS • Practical knowledge of JVM internals, garbage collectors such as G1 and ZGC, and performance tuning with profilers, heap dumps, and GC logs • Experience with Go, Rust, or TypeScript • Experience deploying and running services on Kubernetes • Interest in CI/CD and DevOps practices and owning services through production • Experience with ClickHouse, Apache Doris, or other columnar/OLAP databases • Experience designing systems with high availability and fault tolerance • Experience with observability tooling such as OpenTelemetry and distributed tracing • Experience working with LLMs and agentic workflows • No educational credential is specified

🏖️ Benefits

• 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 • Flexible working hours and location options • Remote work within the EU, or work from the two offices in Tenerife • Yearly company offsite • Opportunities for career advancement and personal development • Diverse and collaborative team culture • Direct impact in a high-growth SaaS company helping creators thrive

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