Full Stack Developer

Steneg; Stockholms kommun; On-site; SEK 494,125 - 713,736; Full time

Job summary

A technology-driven logistics company is seeking a Full Stack Developer to design and optimize software applications for real-time logistics operations. You will collaborate with teams to create scalable systems and APIs, ensuring high performance in critical environments. The ideal candidate will have at least 3 years of full-stack development experience, primarily using React and Ruby on Rails. This role requires strong communication skills and the ability to work in dynamic settings.

Qualifications

• Minimum 3 years of experience in full-stack development using modern frameworks.
• Proven ability to write clean, maintainable, well-tested code.
• Demonstrated ability to work in fast-paced and distributed environments.

Responsibilities

• Collaborate closely with product teams to translate operational requirements into high-quality software solutions.
• Design, build, and maintain efficient, reusable, and scalable code.
• Develop and maintain REST APIs and microservices to ensure system scalability.

Skills

Full-stack development

React

Ruby on Rails

REST APIs

Microservices

Fluency in English

Strong communication skills

Time-management

Tools

Go

CI/CD tools

Job description

Our client is a technology-driven logistics company specializing in time-critical transportation supported by advanced software systems, AI-powered routing, and global operational networks. Its platforms serve industries that require high reliability and rapid response, including healthcare, aerospace, high-tech manufacturing, industrial services, and other mission-critical environments. The organization operates internationally and continues to expand its engineering capabilities to strengthen the performance, scalability, and intelligence of its digital logistics infrastructure.

Mission

The Full Stack Developer will contribute to the design, development, and optimization of highly reliable software applications that support real-time logistics operations. This role combines front-end and back-end engineering to build scalable systems, intuitive interfaces, robust APIs, and cloud-ready architectures. Working within a multidisciplinary R&D environment, the position directly influences product performance, user experience, and the evolution of the company’s engineering culture.

Responsibilities

Product & Feature Development

• Collaborate closely with product teams to translate operational requirements into high-quality software solutions.
• Design, build, and maintain efficient, reusable, and scalable code across front-end and back-end components.
• Contribute to feature development that improves efficiency, transparency, and reliability in time-critical logistics workflows.
• Work with a Ruby on Rails backend and a React/MobX front-end interface used by global customers and internal operations teams.
• Develop and maintain REST APIs and microservices (Go and Ruby) to ensure system scalability and performance.
• Participate in architectural improvements, refactoring initiatives, and long-term platform evolution.

Code Quality & Delivery

• Maintain code quality through automated testing, peer reviews, and continuous integration practices.
• Support improvements to code-delivery pipelines and contribute to robust development standards.
• Diagnose and resolve complex production and application issues.

Integrations & Collaboration

• Implement integrations with external partners such as airline systems, courier networks, and specialized logistics platforms.
• Work as part of a collaborative engineering team, contributing to knowledge sharing and collective problem-solving.
• Help shape team culture and development best practices within a growing engineering organization.

Required Qualifications

• Minimum 3 years of experience in full-stack development using modern frameworks, preferably React and Ruby on Rails.
• Strong experience building, maintaining, and consuming REST APIs and microservice architectures.
• Proven ability to write clean, maintainable, well-tested code.
• Fluency in English.
• Strong communication skills, both written and verbal.
• Solid time-management, prioritization, and organizational abilities.
• Demonstrated ability to work in fast-paced and distributed environments.
• Proactive, detail-oriented, and self-driven mindset.

Preferred Experience

• Familiarity with Go microservices.
• Experience in high-growth product companies or logistics-related systems.
• Knowledge of CI/CD pipelines and automated testing environments.