Position :

Senior Backend Engineer Location:

Spain (Remote). Duration:

Permanent

Language Requirements English proficiency: B2 level or higher Spanish proficiency : B2 level or higher

Job Description We are seeking an experienced

Senior Backend Engineer

to design, develop, maintain, and evolve backend services and cloud-based platforms. The role focuses on delivering high-quality, scalable, maintainable, and reliable software solutions while contributing to product evolution through strong software engineering practices. You will work in a modern technology environment built around

containerized applications, distributed architectures, Kubernetes-based deployments, and CI/CD processes . The position also involves driving engineering excellence through automation, quality assurance, modern development tools, and AI-assisted development solutions.

Required Qualifications: Technical Skills At least

2 years of development experience in Go ,

OR Strong

Java

development experience combined with

React

experience. Hands-on experience with

Docker

and

Kubernetes . Experience designing, developing, and maintaining

backend services and APIs . Experience working in

CI/CD environments , preferably using

GitHub Actions .





Preferred Qualifications Proven experience designing and implementing automated testing strategies (unit, integration, and end-to-end). Strong understanding of software quality practices, testing methodologies, and test automation. Experience with continuous integration, deployment, and delivery processes. Experience managing and consuming artifacts with tools such as

Artifactory . Experience using

feature flags

or progressive rollout mechanisms. Experience with

AWS

and cloud-native services. Experience with

React . Experience with

Java . Knowledge of

distributed systems

and

microservices architectures . Experience with

SQL and/or NoSQL databases . Knowledge and application of

Domain-Driven Design (DDD)

principles. Experience with testing frameworks/tools such as: Playwright Cypress Selenium JUnit Testify Similar technologies Experience integrating automated tests into CI/CD pipelines. Experience with

event-driven architectures . Knowledge of

Kafka

or other messaging platforms. Experience using AI-assisted development tools such as: GitHub Copilot Cursor Similar solutions

📌 Senior Backend Engineer (Marzán)
🏢 Hays
📍 Marzán