> Markdown version of [/jobs/ext/1949336-middle-senior-full-stack-engineer-id73950](https://www.wearedevelopers.com/jobs/ext/1949336-middle-senior-full-stack-engineer-id73950). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Middle/Senior Full Stack Engineer Id73950 - **Company:** Agileengine - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Software as a Service, Cloud Computing, Code Review, Continuous Integration, DevOps, Elasticsearch, Redis, Software Construction, Software Engineering, SQL Databases, TypeScript, ReactJS, Front End Software Development, Microservices - **Published:** August 6, 2026 - **Apply:** https://www.buscojobs.com.es/middle-senior-full-stack-engineer-id-73950-en-barcelona-ID-365341673 ## About the Role 4+ years of SaaS experience; High level of proficiency in Java, React, and SQL; Knowledge of Microservices architecture; Frontend experience with JavaScript, TypeScript, and ReactJS; DevOps mindset focused on automation and continuous improvement; Understanding of observability and familiarity with strong CI/CD practices; Proven ability to meet deadlines, motivate others, and consistently produce high?quality, impactful results; Upper?intermediate English level. NICE TO HAVES Experience building software in the cloud, preferably with AWS. ## Description AgileEngine is an Inc. **** company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people?first culture has earned us multiple Best Place to Work awards. Dé el siguiente paso en su carrera profesional ahora: desplácese hacia abajo para leer la descripción completa del puesto y envíe su solicitud. WHY JOIN USIf you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!ABOUT THE ROLEWe are looking for a Senior Full Stack Engineer to build robust server?side solutions for a SaaS platform operating at scale, working across Java, React, SQL, Redis, and Elasticsearch. You will contribute to architecture decisions, design reusable client integration systems, and participate in code reviews and CI/CD processes as a trusted technical resource. The role requires 5-6 hours of daily EST overlap and prior SaaS production experience.WHAT YOU WILL DOBuild a reusable client integration system following secure cloud software best practices;Collaboratewith design and product teams to gather requirements, create estimates, plan sprints, and meet delivery timelines;Plan and accurately estimate development and delivery timelines;Contribute to technical documentation and automated build and deployment processes to improve engineering efficiency;Review codesubmitted by other engineers and participate in the pull?request review process.MUST HAVES4+ years of SaaS experience;High level of proficiency in Java, React, and SQL;Knowledge of Microservices architecture;Frontend experience with JavaScript, TypeScript, and ReactJS;DevOps mindset focused on automation and continuous improvement;Understanding of observability and familiarity with strong CI/CD practices;Proven ability to meet deadlines, motivate others, and consistently produce high?quality, impactful results;Upper?intermediate English level.NICE TO HAVESExperience building software in the cloud, preferably with AWS.PERKS AND BENEFITSProfessional growth: Mentorship, TechTalks, and personalized growth roadmaps.Competitive compensation: USD?based pay with education, fitness, and team activity budgets.Exciting projects: Modern solutions with Fortune 500 and top product companies.Flextime: Flexible schedule with remote and office options.RECRUITMENT PROCESSApplication ? Coding Challenge ? Video Interview ? Technical Interview or Hiring Manager Interview. xhfqzwm Each step helps us understand your skills and overall fit. If it's a match, you'll receive an offer.#J-*****-Ljbffr ## 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) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-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) - [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) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)