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# Senior Backend Engineer

- **Company:** Hays
- **Location:** La Coruña, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Automation of Tests, Cloud Computing, Cloud Engineering, Software Quality, Continuous Integration, Programming Tools, Distributed Systems, Github, Junit, Enterprise Messaging Systems, NoSQL, Selenium, Software Engineering, Software Systems, Strategies of Testing, Cloud Platform System, GitHub Copilot, Cypress (Programming Language), Backend, Kubernetes, Playwright, Serverless Computing
- **Published:** September 6, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-en-ares-ID-369595891

## About the Role

Technical Skills
At least2 years of development experience in Go,OR
StrongJavadevelopment experience combined withReactexperience.
Hands-on experience withDockerandKubernetes.
Experience designing, developing, and maintainingbackend services and APIs.
Experience working inCI/CD environments, preferably usingGitHub 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 asArtifactory.
Experience usingfeature flagsor progressive rollout mechanisms.
Experience withAWSand cloud-native services.
Experience withReact.
Experience withJava.
Knowledge ofdistributed systemsandmicroservices architectures.
Experience withSQL and/or NoSQL databases.
Knowledge and application ofDomain-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 withevent-driven architectures.
Knowledge ofKafkaor other messaging platforms.
Experience using AI-assisted development tools such as:
GitHub Copilot

## Description

Position :Senior Backend EngineerLocation:Spain (Remote).Duration:PermanentLanguage RequirementsEnglish proficiency: B2 level or higherSpanish proficiency : B2 level or higherJob DescriptionWe are seeking an experiencedSenior Backend Engineerto 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 aroundcontainerized 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 SkillsAt least2 years of development experience in Go,ORStrongJavadevelopment experience combined withReactexperience.Hands-on experience withDockerandKubernetes.Experience designing, developing, and maintainingbackend services and APIs.Experience working inCI/CD environments, preferably usingGitHub Actions.Preferred QualificationsProven 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 asArtifactory.Experience usingfeature flagsor progressive rollout mechanisms.Experience withAWSand cloud-native services.Experience withReact.Experience withJava.Knowledge ofdistributed systemsandmicroservices architectures.Experience withSQL and/or NoSQL databases.Knowledge and application ofDomain-Driven Design (DDD)principles.Experience with testing frameworks/tools such as:PlaywrightCypressSeleniumJUnitTestifySimilar technologiesExperience integrating automated tests into CI/CD pipelines.Experience withevent-driven architectures.Knowledge ofKafkaor other messaging platforms.Experience using AI-assisted development tools such as:GitHub CopilotCursorSimilar solutions


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