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# Senior Software Engineer

- **Company:** Intro
- **Location:** Guntín, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), PHP (Programming Language), Artificial Intelligence, Amazon Web Services, Cloud Computing, Cloud Engineering, Software Engineering, Backend, Kotlin
- **Published:** September 13, 2026
- **Apply:** https://www.buscojobs.com.es/senior-software-engineer-en-guntin-ID-371661675

## About the Role

Strong commercial experience with Java or Kotlin
Strong backend software engineering experience
Currently hands-on with coding and comfortable working in a highly technical role
Experience with cloud technologies , ideally AWS
Experience building and maintaining modern, scalable backend applications
Strong communication and collaboration skills
Comfortable working within a smaller engineering team with significant ownership
Particularly Valuable Experience
Experience within FinTech, banking, payments, lending, insurance or wider financial services would be a strong advantage.
We're also particularly interested in engineers who have worked on:
Legacy modernisation or technology migration projects
Migration into Java/Kotlin environments
AWS and cloud-native architectures
Smaller product engineering teams with end-to-end ownership
Practical use of AI within software xqysrnh development
Location & Employment
This is a permanent position and candidates must be based in, or able to be permanently employed in:
UK | Spain | Portugal | Italy | Poland
Please note that B2B and contract arrangements are not available for this position you will be employed through EOR (Employer of Record)
If you're a Senior Software Engineer who wants to remain hands-on while playing a key role in a major technology modernisation, we'd love to hear from you.

## Description

Senior Software Engineer Role (Kotlin)Asegúrese de leer la descripción completa a continuación y, si confía en que cumple todos los requisitos, envíe su solicitud de inmediato.You'll join a close-knit engineering function of around 9 engineers , giving you plenty of ownership, visibility and the opportunity to make a meaningful impact on technical decisions and how the platform evolves.One of the key projects will involve modernising the existing technology platform and migrating from PHP to Kotlin .You'll work closely with engineering and product while remaining firmly hands-on with development and delivery .What We're Looking ForStrong commercial experience with Java or KotlinStrong backend software engineering experienceCurrently hands-on with coding and comfortable working in a highly technical roleExperience with cloud technologies , ideally AWSExperience building and maintaining modern, scalable backend applicationsStrong communication and collaboration skillsComfortable working within a smaller engineering team with significant ownershipParticularly Valuable ExperienceExperience within FinTech, banking, payments, lending, insurance or wider financial services would be a strong advantage.We're also particularly interested in engineers who have worked on:Legacy modernisation or technology migration projectsMigration into Java/Kotlin environmentsAWS and cloud-native architecturesSmaller product engineering teams with end-to-end ownershipPractical use of AI within software xqysrnh developmentLocation & EmploymentThis is a permanent position and candidates must be based in, or able to be permanently employed in:UK | Spain | Portugal | Italy | PolandPlease note that B2B and contract arrangements are not available for this position you will be employed through EOR (Employer of Record)If you're a Senior Software Engineer who wants to remain hands-on while playing a key role in a major technology modernisation, we'd love to hear from you.


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