backend Java engineer for creator platforms

INFINNI; United States; A distancia; USD 100.000 - 167.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Relocation package

Beckham Law tax benefits (Spain)

Remote within EU

Ежегодная offsite

Возможности карьерного роста

Диверсифицированная команда

Работа в SaaS-стартапе

Descripción de la vacante

INFINNI разрабатывает CRM-платформу для создателей контента и владельцев бизнеса, внедряя AI‑помощники и аналитические решения. Нужно архитекторское видение бэкенда на Java (возможен Go), работа над распределёнными системами с Kafka, PostgreSQL и Redis. Опыт JVM и оптимизация памяти обязателен.

Готовы к удалённой работе внутри ЕС или офисы в Тенерифе (Испания). Предлагается конкурентное вознаграждение, релокационный пакет и возможности роста.

Formación

• Опыт работы Senior Developer или Architect; 5+ лет.
• Глубокие знания Java, Spring, Hibernate/JPA и консистентность данных в распределённых системах.

Responsabilidades

• Проектирование и развитие бэкенд-сервисов на Java (и Go).
• Руководство архитектурными решениями для распределённых систем, масштабируемости и согласованности данных.
• Работа с Kafka, PostgreSQL, Redis, AWS; профилирование и оптимизация производительности.

Conocimientos

Java

Spring

Hibernate/JPA

Kafka

PostgreSQL

Redis

AWS

JVM/GC tuning

Kubernetes (будет плюсом)

Go/Rust/TypeScript (плюс)

Herramientas

ClickHouse/OLAP базы данных

Redis caching

Descripción del empleo

Описание:

INFINNI provides a CRM platform that creators and creator businesses use to run their operations. It is building AI-powered tools, big-data products, and infrastructure purpose-built for creators.

Задачи:

Design, build, and evolve backend services in Java and, where appropriate, 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 that handle eventual consistency correctly 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

Требования:

At least 5 years of experience working as a Senior Developer or Architect Expert-level Java Deep experience with Spring and Hibernate/JPA, including understanding their internals Strong command of Java multithreading and concurrency, including CompletableFuture, thread pools and executors, the fork/join framework, synchronization primitives, and common pitfalls Solid understanding 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 Будет плюсом: Go, Rust, TypeScript, Kubernetes, CI/CD and DevOps practices, owning services through production, ClickHouse, Apache Doris or other columnar/OLAP databases, high availability and fault tolerance, observability tools such as OpenTelemetry and distributed tracing, working with LLMs and agentic workflows using tools such as Claude Code or Codex or building LLM-powered solutions

Условия:

• Attractive compensation and relocation package commensurate with experience and skills
• Bonus Beckham Law tax rate for those moving to Spain for the first time
• Flexible working hours and location options: work remotely within the EU or from the two offices in Tenerife
• Yearly company offsite
• Opportunities for career advancement and personal development in a fast-growing company
• Diverse and collaborative team committed to innovation and excellence
• Work with a team focused within a high-growth SaaS company helping creators thrive