IoT Software Engineer — Build Secure, Scalable Cloud Apps

Telenor Group; Karlskrona kommun; Hybrid; SEK 700,000 - 1,000,000; Full time

Benefits offered by this job

Hybrid work policy

Training and development focused

Nice offices for collaborative work

Bonus scheme

Additional days off during the year

Job summary

At Telenor IoT, we are seeking a Software Developer to design, build, and scale world-class software solutions in Karlskrona, Sweden. You will work with cross-functional teams to deliver secure, reliable software across its lifecycle and contribute to automation, testing, and deployment.

You will help strengthen platform scalability, leverage modern APIs and microservices, and apply secure development practices while collaborating in an agile environment and exploring AI-assisted workflows.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or equivalent relevant professional experience.
• Proven professional track record in software engineering and maintenance of production systems in modern agile environments.
• Strong proficiency in modern programming languages and stacks (such as TypeScript / Node.js, Java, Python, or C# / .NET).
• Solid understanding of modern APIs (REST / event-driven), microservices, distributed architectures, and cloud development (preferably AWS serverless & cloud services such as Lambda, EventBridge, API Gateway, DynamoDB, S3).
• Practical experience with Git-based workflows, GitHub Actions / CI/CD pipelines, automated testing frameworks, and Infrastructure as Code (e.g. AWS SAM, CDK, Terraform).
• Fluent in English (Swedish is a plus).

Responsibilities

• Design, develop, maintain, and improve software components, microservices, modern APIs, and integrations within the team’s responsibility area, translating backlog items and architectural direction into secure, testable, and releasable software.
• Take end-to-end responsibility for code quality; build and maintain automated unit, component, integration, and contract tests in close collaboration with the Test Lead.
• Apply secure development practices (OWASP, vulnerability management, static analysis/SCA) and proactively identify and mitigate security risks and technical debt.
• Contribute to CI/CD pipelines, Infrastructure as Code (IaC), observability (logging, metrics, tracing), and automated deployment; take shared ownership of production reliability, operability, troubleshooting, and incident analysis.
• Actively participate in agile ceremonies, backlog refinements, technical design sessions, code reviews, and retrospectives; share knowledge through pairing, mentoring, and technical discussions.
• Champion modern ways of working by integrating AI tools like GitHub Copilot into your daily development, testing, and documentation flow, actively sharing insights and testing new tools as part of our continuous innovation culture.

Skills

TypeScript / Node.js

Java

Python

C# / .NET

REST / Event-driven APIs

Microservices architecture

Cloud development (AWS)

GitHub Actions / CI/CD

Automated testing frameworks

English fluency

Education

Bachelor’s or Master’s degree in Computer Science / Software Engineering / IT

Tools

AWS SAM

AWS CDK

Terraform

GitHub Actions

Job description

At Telenor IoT, we are seeking a Software Developer to design, build, and scale world-class software solutions in Karlskrona, Sweden. You will work with cross-functional teams to deliver secure, reliable software across its lifecycle and contribute to automation, testing, and deployment.

You will help strengthen platform scalability, leverage modern APIs and microservices, and apply secure development practices while collaborating in an agile environment and exploring AI-assisted workflows.