Full-Stack Kotlin/Java Engineer – Cloud, Microservices & AWS

Unikie; Tampere; On-site; EUR 65,000 - 90,000; Full time

Job summary

Unikie in Tampere, Finland seeks an experienced Kotlin/Java full stack developer to join a long-term customer project. You will build Kotlin/Java backend services, develop React frontends, and contribute to cloud infrastructure, CI/CD and software architecture.

The role requires 5+ years in full stack or backend, hands-on Kotlin/Java with Spring Boot, React/TypeScript, microservices, Kubernetes and AWS. Fluent Finnish and English are expected as you collaborate across multi-vendor teams.

Qualifications

• 5+ years of experience in Full Stack or Backend development.
• Proficient with Kotlin, Java and Spring Boot in production systems.
• Experience with React and TypeScript/JavaScript frontends.
• Strong understanding of microservices and API integrations.
• Experience with Kubernetes, AWS, and CI/CD pipelines.
• Familiarity with IaC tools such as Terraform, CloudFormation, or Ansible.
• Good knowledge of SQL databases and Redis.
• Fluent Finnish and English.

Responsibilities

• Develop backend services using Kotlin, Java, and Spring Boot.
• Build and maintain React frontends with TypeScript/JavaScript.
• Design and integrate REST and SOAP APIs.
• Develop scalable microservices on Kubernetes and cloud platforms such as AWS.
• Contribute to CI/CD pipelines, DevOps practices, and infrastructure automation.
• Work with SQL databases, Redis, Linux environments, and secure authentication solutions.
• Collaborate with stakeholders and development teams in a multi-vendor environment.

Skills

Kotlin

Java

Spring Boot

React

TypeScript/JavaScript

Microservices

Kubernetes

AWS

CI/CD

Terraform

CloudFormation

Ansible

SQL

Redis

Security best practices

Finnish

English

Tools

Kubernetes

AWS

Terraform

CloudFormation

Ansible

Git

Job description

Unikie in Tampere, Finland seeks an experienced Kotlin/Java full stack developer to join a long-term customer project. You will build Kotlin/Java backend services, develop React frontends, and contribute to cloud infrastructure, CI/CD and software architecture.

The role requires 5+ years in full stack or backend, hands-on Kotlin/Java with Spring Boot, React/TypeScript, microservices, Kubernetes and AWS. Fluent Finnish and English are expected as you collaborate across multi-vendor teams.