Senior Backend Developer
About us
Fieldly is a digital project management tool designed for construction and installation companies. We help businesses streamline their operations and take control of their day-to-day work, and as of today, Fieldly has been used in over half a million projects. While most of our customers are currently based in Sweden, we are looking forward to exciting developments ahead.
At Fieldly AB, we are committed to delivering innovative and scalable solutions that meet the needs of our growing customer base. Our team thrives on collaboration, cutting-edge technology, and a culture that empowers individuals to shape the future of the construction industry. Now, we are looking for an experienced senior backend developer to join us and help enhance our product.
What we offer
- Flexible work options (Malmö office or remote from Poland)
- Competitive salary and benefits
- Opportunities for professional development, including an annual education budget
- A collaborative and inclusive company culture
Role overview
As a Senior Ruby on Rails Developer, you will be a key player in developing and optimizing our application. You will work in a cross-functional team, including product owners, front-end and back-end developers, and testers, to implement high-quality solutions that drive business growth. Your responsibilities will include designing, developing, and maintaining scalable and robust features in Ruby on Rails while ensuring code quality and best practices. You will collaborate with front-end developers to integrate user-facing elements and optimize application performance. Additionally, you will be responsible for troubleshooting issues, performing code reviews, working with database technologies such as PostgreSQL, and occasionally manage releases to production. You will also implement and maintain automated testing frameworks while staying up to date with industry trends and emerging technologies.
Required skill set:
- 5+ years of experience working with Ruby on Rails in a production environment.
- Strong grasp of Object-Oriented Programming (OOP), including core principles (e.g., SOLID), design patterns, and writing maintainable, modular, and reusable code.
- Experience with RESTful API development and third-party integrations.
- Proficiency in database management using PostgreSQL, MySQL, or similar.
- Proficiency in testing practices (RSpec).
- Proficiency in version control (Git).
- Familiarity with containerization concepts and tools, particularly Docker
- Solid understanding of Agile methodologies and CI/CD pipelines.
- Strong problem-solving skills and ability to work independently.
- Relevant education (M.sc of computer engineering, or similar).
- Proficiency in English with excellent communication skills.
Nice to have:
- Experience with Domain-Driven Design (DDD) - implementing business logic through bounded contexts and domain models.
- Familiarity with microservice architecture and serverless technologies
- Knowledge of backend development in Node.js/NestJS.
- Experience with Kafka or other event streaming platform.
- Proficiency in Swedish and/or Polish.
The recruitment process:
Step 1: Alva Labs test (Personality and logical test).
Step 2: A technical interview with live programming, to discuss different aspect of engineering.
Step 3: Team interview with parts of the Engineering team, to meet more friendly faces and potential colleagues.
Does it sound interesting? Click the button below to submit your application. We look forward to hearing from you!
/ Team Fieldly
- Department
- Engineering
- Role
- Backend Developer
- Remote status
- Hybrid

Malmö
What we offer
-
Strong corporate culture
Tuesday breakfast, Thursday training, Office Happy Hours, and colleagues who really care. We win together and celebrate together. -
High ambition
We believe in daring to set high goals. That's why we encourage each other to strive high, do our very best, and believe in ourselves. When doing so, the results tend to turn out really great. -
Personal development
As we are a fast-growing company, we let everyone in the team take great responsibility and work with fun and challenging tasks. Four out of five managers at Fieldly have been recruited internally. -
Success story
As a part of team Fieldly, you’ll join in on our great success story and have a great opportunity to really make a difference.
Why Fieldly?
Fieldly is the fast-growing SaaS-company revolutionizing the construction industry. As a part of Fieldly, you get the chance to grow and develop in a fantastic team with high ambitions - and have a lot of fun doing it.
About Fieldly
Fieldly is the fast-growing Malmö company with soaring ambitions. With our digital project management tool specially designed and developed for the construction industry we are changing the largest industry in the world, and enabling a simpler, smoother and more efficient workday for millions of people worldwide.
In the long term, Fieldly is aiming to become a core part of the construction sector, and to build a new digital hub for the global construction industry.
Senior Backend Developer
Loading application form