About Justera Group

Justera Group AB is a leading Swedish IT consulting firm specializing in building high-performing technology teams and delivering end-to-end IT solutions. Led by dynamic female executives Justera Group focuses on helping businesses harness the power of digital technologies to continuously evolve in todays rapidly changing economy.

The company has deep expertise in IT consultancy software development and recruitment services providing clients with purpose-driven well-trained consultants who consistently deliver efficient and effective results. Justera Group manages the entire talent lifecyclefrom hiring to ongoing managementensuring the right fit for each project on time and within budget.

With a strong commitment to quality collaboration and client success Justera Group is a trusted partner for technology innovation across Sweden.

About the Role

Were looking for a Full-Stack Developer Intern whos passionate about building scalable web applications using modern technologies. Youll work across both frontend and backend components contributing to APIs user interfaces and data management systems.

This internship offers the opportunity to collaborate with senior engineers on real-world SaaS systems built with microservice and micro-frontend architectures.

Key Responsibilities

• Develop and maintain frontend components using React/
• Build and optimize backend APIs using or Python/FastAPI
• Work with PostgreSQL databases and ORM tools
• Integrate authentication and authorization using Logto
• Consume and interact with cloud-hosted microservices
• Write unit and integration tests to ensure code quality
• Collaborate closely with DevOps for CI/CD and deployment workflows

Tech Stack

• Frontend: React TailwindCSS
• Backend: (NestJS) / Python (FastAPI)
• Database: PostgreSQL Redis
• Auth: Logto/Auth0/Okta/Keycloak
• Version Control: Git GitHub
• CI/CD: GitHub Actions Docker

Requirements

• Pursuing or recently completed a degree in Computer Science or related field
• Knowledge of JavaScript/TypeScript and RESTful APIs
• Understanding of databases (SQL basics) and version control (Git)
• Eagerness to learn microservices and modern web architectures
• Good communication skills and a collaborative mindset

What Youll Gain

• Experience building production-ready SaaS applications
• Mentorship in full-stack and cloud-based development practices
• Hands-on exposure to real DevOps and CI/CD workflows
• Potential for full-time employment upon successful completion

What We Offer

• A dynamic and innovative workplace driving advancements in cutting-edge technologies
• The opportunity to collaborate with talented cross-functional teams on meaningful and impactful projects
• A supportive culture that fosters continuous learning growth and professional development
• Flexible hybrid working model for an optimal work-life balance

How to Apply

Send your application including:

• Resume or GitHub/LinkedIn profile
• A short note about your full-stack interests or any project youve worked on

Justera Group is committed to diversity and inclusion. We encourage applications from all qualified candidates.