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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # L3 Support Engineer (Java/Spring Boot, Kafka & Pl/Sql) - **Company:** Akkodis - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Business Software, Databases, Data Integrity, Relational Databases, Software Debugging, Distributed Systems, Linux System Administration, Log Analysis, Performance Tuning, Release Management, Reliability Engineering, Standard Sql, Software Engineering, PL-SQL, SQL Databases, Systems Integration, ReactJS, Spring-boot, Backend, Event Driven Architecture, Kubernetes, Apache Kafka, Front End Software Development, Restful APIs, Microservices - **Published:** September 7, 2026 - **Apply:** https://www.buscojobs.com.es/l-3-support-engineer-java-spring-boot-kafka-pl-sql-en-madrid-ID-370306659 ## About the Role 3 years of experience in L3 Application Support, Site Reliability Engineering, or Software Engineering within high-availability environments. ? Strong experience troubleshooting backend applications using Java and Spring Boot . ? Strong hands-on experience with Kafka , including event handling, topic analysis, message tracing, and troubleshooting distributed event-driven systems. ? Advanced PL/SQL and SQL knowledge , with proven experience analyzing complex queries, troubleshooting data issues, optimizing performance, and working with relational databases. ? Solid knowledge of distributed architectures, including REST APIs, Microservices, and Kafka-based solutions . ? Hands-on experience with Kubernetes and Linux environments. ? Experience participating in on-call support rotations for business-critical applications. ? Fluent English to work in an international environment. What will your day-to-day look like?, ? Experience working in fintech, digital banking, financial services, or other highly regulated environments. ? Knowledge of frontend technologies such as React to support end-to-end issue analysis. ? Proactive, solution-oriented mindset with strong analytical and troubleshooting skills. ? Ability to work effectively within international and multicultural teams. ? Strong communication and collaboration skills. ## Description AtAkkodis, we combine digital and engineering solutions to create a smarter future for everyone. With a presence in over 30 countries across Europe, Asia, and the Americas, we are committed to innovation, leveraging our team's expertise and technology to transform industries and deliver cutting-edge solutions to the world's most complex challenges.We are currently expanding our team and looking for anL3 Support Engineer (Java/Spring Boot)to join a challenging international project with strong professional development opportunities. As anL3 Support Engineer, you will play a key role in ensuring the availability, stability, and performance of critical business applications, with a strong focus onKafka-based event-driven architectures, PL/SQL troubleshooting, and complex production support activities.You are the ideal candidate if you have...? At least3 years of experiencein L3 Application Support, Site Reliability Engineering, or Software Engineering within high-availability environments.? Strong experience troubleshooting backend applications usingJava and Spring Boot.?Strong hands-on experience with Kafka, including event handling, topic analysis, message tracing, and troubleshooting distributed event-driven systems.?Advanced PL/SQL and SQL knowledge, with proven experience analyzing complex queries, troubleshooting data issues, optimizing performance, and working with relational databases.? Solid knowledge of distributed architectures, includingREST APIs, Microservices, and Kafka-based solutions.? Hands-on experience withKubernetesand Linux environments.? Experience participating in on-call support rotations for business-critical applications.? Fluent English to work in an international environment.What will your day-to-day look like?? Act as the L3 escalation point for critical production incidents, driving resolution through log analysis, telemetry, code debugging, andKafka event tracing.? Perform root cause analysis (RCA) for complex incidents involvingmicroservices, Kafka event streams, databases, and integrations.? Monitor, troubleshoot, and optimize distributed microservices andKafka-driven event-processing platforms.? Analyze and resolve complex database issues usingSQL and PL/SQL, ensuring data integrity, performance optimization, and operational stability.? Participate in release management activities, operational readiness reviews, and deployment processes within Kubernetes environments.What do we value in your profile?? Experience working in fintech, digital banking, financial services, or other highly regulated environments.? Knowledge of frontend technologies such asReactto support end-to-end issue analysis.? Proactive, solution-oriented mindset with strong analytical and troubleshooting skills.? Ability to work effectively within international and multicultural teams.? Strong communication and collaboration skills.What do we offer at Akkodis?? Permanent contract.? Hybrid work model (3 mandatory office days per week and 2 days of remote work)? Join a leading multinational company in a fast-growing technology environment.? Flexible benefits package (meal vouchers, transport subsidy, health support).? Continuous training and access to professional development programs.? Exclusive discounts and benefits for Akkodis employees.? Opportunity to work on mission-critical applications within a global and highly innovative ecosystem.#Akkodis #Java #SpringBoot #ApplicationSupport #L3Support #Kubernetes #Kafka #Linux #SQL #FintechJobs #TechCareers #HiringNow ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)