Full Stack Software Engineer, Technical Referent

Full Stack Software Engineer, Technical Referent

Madrid / Barcelona / Córdoba (Spain) / Málaga / Sevilla / Valencia

Software Development – Full-Stack /

Contract | Remote /

Remote

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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

In this role, you’ll lead the design and development of scalable solutions for high-performance platforms. You’ll collaborate with technology leaders and cross-regional teams to translate complex business requirements into reliable full-stack systems. Acting as a technical referent, you’ll drive architectural decisions, mentor engineers, and ensure the delivery of high-quality, production-ready software that supports global operations.

Residing in Spain and being open to an independent contractor (freelance) engagement is mandatory.

What to Expect in This Role + Responsibilities

● Design, develop, and maintain scalable full stack applications using Java or Golang and modern frontend frameworks.

● Lead architecture and system design decisions to ensure performance, maintainability, and scalability.

● Administer and optimize AWS resources, automations, and internal platforms supporting the engineering organization.

● Promote best coding practices through code reviews, mentorship, and collaboration with cross-functional teams.

● Continuously identify and implement technical improvements to enhance efficiency and reliability.

Requirements

● Bachelor’s degree in Software Engineering, Computer Science, or a related field.

● 5+ years of professional experience as a Full Stack Software Engineer.

● Strong experience with Java or Golang for backend development.

● Proficiency with JavaScript and modern frontend frameworks (e.g., React).

● Hands-on experience working with cloud environments (especially AWS).

● Solid understanding of object-oriented design principles and design patterns.

● Proven ability to deliver clean, maintainable, and efficient code.

● Experience designing and supporting event-driven architectures.

● Strong problem-solving and project management skills.

● Excellent communication skills in English.

● Collaborative mindset and ability to work effectively in distributed teams.

Nice to Have

● Familiarity with CI/CD pipelines and tools (e.g., GitHub Actions, Jenkins).

● Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation).

● Background in platform engineering, automation, or internal tooling.

● Exposure to observability and monitoring tools.

● Interest in optimizing engineering workflows and system performance.

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.

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.

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