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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** Balance - **Location:** Cádiz, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Code Reuse, Code Review, Command-Query Responsibility Segregation (Software Development), Redis, SQL Databases, Backend, Domain Driven Development, Software Library, Docker - **Published:** August 21, 2026 - **Apply:** https://www.buscojobs.com.es/backend-engineer-en-cadiz-ID-368245536 ## About the Role Analyze, estimate and define application features and viability Build clean, testable and reusable code and libraries Integrate with third party libraries and APIs Peer code reviews Optimize applications for scalability and performance Research on new technologies and methodologies Join the team on Agile & tech meetings You have to Excellent knowledge of GO or similar language and latest releases features Good knowledge of DDD, testing, SQL and Fiber or any other modern framework Experience on CQRS, Redis, NATS or Docker will be appreciated Excellent problem analysis & resolution skills Teamwork & communication skills Proactivity to improve the code, the architecture and our current technologies usage Autonomy and outstanding attention to detail during analysis and implementation Proficient technical English You must Work authorization xiphteb in the EU (No visa sponsorship) Willingness to work from Madrid HQ with hybrid flexibility or remote positions along Spain timezone Other ## Description Who We Are ¿Tiene lo que se necesita para triunfar?La siguiente información debe ser leída atentamente por todos los candidatos.At Balance (findbalance.app), we're building the clinical operating system for obesity treatment - combining medical rigor, AI intelligence, and multidisciplinary care teams to deliver personalized treatment at scale.In Spain alone, 200,000 people on GLP-1 medications today will grow to 1.2 million by ****, most without access to proper clinical support.We're fixing that.We've proven it works and now we've raised Series Seed.Join us if you're obsessed with outcomes, not vanity metrics - and ready to help thousands of patients actually get better.About the role We are looking for experienced Backend developers to join us in this growth phase in which we have to face new projects and challenges.If you have some experience working with Go, DDD and will to improve you have all you need to grow with us.Balance is a proud equal opportunity employer.We seek for diversity and are committed to build and preserve an inclusive environment for all employees What will you do You will do what it takes to move the needle.Among all the things...Analyze, estimate and define application features and viability Build clean, testable and reusable code and libraries Integrate with third party libraries and APIs Peer code reviews Optimize applications for scalability and performance Research on new technologies and methodologies Join the team on Agile & tech meetings You have to Excellent knowledge of GO or similar language and latest releases features Good knowledge of DDD, testing, SQL and Fiber or any other modern framework Experience on CQRS, Redis, NATS or Docker will be appreciated Excellent problem analysis & resolution skills Teamwork & communication skills Proactivity to improve the code, the architecture and our current technologies usage Autonomy and outstanding attention to detail during analysis and implementation Proficient technical English You must Work authorization xiphteb in the EU (No visa sponsorship) Willingness to work from Madrid HQ with hybrid flexibility or remote positions along Spain timezone Other information Competitive salary based on experience, career roadmap Modern technologies and agile methodologies Research & Development initiatives promotion Real impact on our clients New projects with lots of innovation, challenges & new technologies Weekly time for individual researching, learning and innovating Participation in events and conferences to keep you updated and add more value to the team Join a growing company that takes care of employees' wellbeing ## Related Videos - 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