Job Summary: Coderio is seeking a Java backend developer to design and maintain enterprise applications, evolving legacy architectures into modern microservices within the financial sector. Key Highlights: 1. Strategic and highly visible role in modern engineering 2. Collaborative international team and strong technical leadership 3. Career development plan, growth, and leadership **About Coderio** Coderio designs and delivers scalable digital solutions for global enterprises. With a solid technical foundation and a product-oriented mindset, our teams lead complex software projects from architecture through execution. We value autonomy, clear communication, and technical excellence. We collaborate closely with international teams and partners, building technology that delivers impact. More information: http://coderio.com You will lead the design, development, and maintenance of **enterprise backend applications** in the financial sector, evolving legacy architectures into **modern microservices using Java and Spring Boot**. You will collaborate with technical and business teams to ensure solutions are **scalable, secure, and high-quality**. **Location Requirement:** This position is open exclusively to candidates residing in Mexico. Applications from other countries will not be considered. The opportunity is 100% on-site in the Tlalpan area, Mexico City. **What You Can Expect from This Role (Responsibilities)** Design, develop, and maintain backend applications in **Java**. Implement and manage **microservice architectures**. Build scalable and secure services using **Spring Boot**. Integrate and optimize **non-relational databases** (e.g., MongoDB, Cassandra, DynamoDB). Ensure code quality through **unit and integration tests**. Collaborate closely with technical and business teams to deliver robust solutions. **Requirements** \+ **5 years of verifiable Java development experience**. Proficiency in **Spring Boot** and related frameworks. Experience in **designing and implementing microservices**. Knowledge of **non-relational databases**. Proficiency with **Git** and experience with agile methodologies. Experience with JaCoCo (Java Code Coverage) Availability for full-time on-site work (Tlalpan area, Mexico City) **Desirable** Knowledge of containerization (**Docker, Kubernetes**). Experience in **cloud environments** (AWS, GCP, or Azure). **Technical leadership or mentoring skills**. **Benefits** Long-term commitment, with autonomy and impact Strategic and highly visible role within a modern engineering culture Collaborative international team and strong technical leadership Career development plan, growth, and leadership opportunities within Coderio **Why Join Coderio?** At Coderio, we value talent regardless of location. We are a remote-first company passionate about technology, collaborative work, and fair compensation. We offer an inclusive, challenging environment with real growth opportunities. If you’re motivated to build impactful solutions, we’re waiting for you. Apply now. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.