Senior Backend Engineer (Java/Python & APIs)

Coderio; Cartagena; Presencial; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A leading software development company is seeking a Senior Backend Engineer specialized in Java and Python to develop and maintain scalable APIs. The role requires experience in Azure and RESTful APIs, as well as strong problem-solving and communication skills. This position is fully remote, emphasizing autonomy and offering real growth opportunities within a collaborative and diverse environment.

Servicios

100% remote

Long-term commitment

High-visibility role

Collaborative international team

Clear growth path

Formación

• 4+ years of experience in backend development using advanced Java and Python libraries.
• 3+ years with RESTful principles and FastAPI.
• 3+ years in Azure application development.
• 3+ years with relational and non-relational databases.
• 2+ years working in CI/CD pipelines.

Responsabilidades

• Develop and maintain a scalable API platform using Java and Python.
• Implement secure API management practices.
• Create comprehensive API documentation.
• Manage API orchestration and integrations.
• Identify and resolve performance issues proactively.

Conocimientos

Backend development

Java

Python

RESTful principles

API management

Problem-solving

Communication skills

Herramientas

Azure

Swagger

CI/CD

Descripción del empleo

Senior Backend Engineer (Java / Python & APIs)

About Us

Coderio designs and delivers scalable digital solutions for global businesses. With a strong technical foundation and a product mindset, our teams lead complex software projects from architecture to execution. We value autonomy, clear communication, and technical excellence. We work closely with international teams and partners, building technology that makes a difference.

Learn more : http://coderio.com

What to Expect in This Role (Responsibilities)

• Develop, deploy, and maintain a scalable API platform using Java and Python (with a focus on FastAPI).
• Design and implement secure API management practices including rate limits, tokens, and robust security protocols.
• Create and maintain clear and comprehensive API documentation using Swagger.
• Manage API orchestration and complex integrations across multiple systems.
• Implement observability and performance monitoring, proactively identifying and resolving issues before they impact users.

Requirements

• 4+ years of proficient experience in backend development using advanced Java and Python libraries.
• 3+ years of solid understanding of RESTful principles, including practical experience with FastAPI.
• 3+ years of experience developing and deploying applications in Azure.
• 3+ years of experience working with relational and non-relational databases.
• 2+ years of experience working within CI / CD pipelines.
• Advanced / Fluent English (written and verbal) for daily remote collaboration.
• Strong communication, accountability, and problem-solving skills.

Nice to Have

• Deep knowledge of OAuth, JWT, and modern security standards for external-facing APIs.
• Advanced experience documenting complex APIs with Swagger or OpenAPI.

Benefits

• 100% remote
• Long-term commitment, with autonomy and impact
• Strategic and high-visibility role in a modern engineering culture
• Collaborative international team and strong technical leadership
• Clear path to growth and leadership 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 opportunities for growth. If you are motivated to build solutions with impact, we are waiting for you.