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92,000+ live jobsSenior Ruby Backend Engineer
On-site in BarcelonaΒ·Added 3 months ago (last checked 28 Oct)
9 open roles
Our summary
- Work mode
- On-site, Barcelona
- Experience
- Senior level
- Benefits
- Gym access



Visa options
The ad doesnβt mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
The role
As a software engineer, you'll work in a constantly evolving environment. With the support of the rest of the team, your success will reside in building high-quality, innovative, and fully performing SaaS, in compliance with coding standards and technical design. You'll be joining one of our agile squads where you'll have the chance to peer with the top talented engineers and product experts to create and improve our platform.
What you'll do
Use Ruby & Golang as the development languages
Design, implement, and scale different solutions, paying attention to writing polished and easy-to-understand code
Follow and apply best practices in the entire development cycle
Participate in code reviews and pull requests, helping the team in the improvement of the product's quality
Make contributions to the architecture by sharing your best ideas and helping in their execution.
Work closely with other specialists (QA, Product Owners...) to make our software design, delivery, and quality unbeatable.
Help with tech documentation
Leverage AI tools for assisted backend and infrastructure development, maintaining high quality standards, exercising technical supervision, and verifying generated results to ensure reliability and security.
As part of Loyal Guru's commitment to Information Security and Data Protection, you will be expected to:
Follow secure development best practices (OWASP Top 10, secure coding guidelines, input validation, proper error handling, etc.).
Ensure that any sensitive data (customer data, credentials, secrets) is handled, stored, and transmitted securely.
Protect your access credentials and devices in accordance with Loyal Guru's security policies.
Apply the least privilege principle when managing accesses, roles, and permissions within systems and code.
Participate in periodic security training sessions provided by the company.
Follow secure version control practices (Git), including code review, approval workflows, and avoiding the exposure of sensitive data in the codebase.
Report any suspected security incident, vulnerability, or breach in line with Loyal Guru's incident response procedure.
Collaborate with the Security and DevOps teams to implement automated security controls in the CI/CD pipeline.
Ensure dependencies and third-party libraries used in the codebase are maintained and free of known vulnerabilities.
π About Loyal Guru
Loyal Guru is the Only Customer Data Platform Built For Retailers To Activate Loyalty.
Top-notch technology and retail expertise under one cloud-based platform to help our customers achieve next-level omnichannel marketing. We transform customer data into actionable loyalty programs and personalized coupons, providing retailers with an unparalleled competitive edge.
Our platform helps to enhance the spending of customers no matter if they prefer shopping in-store or online.
β Your profile:
Previous experience as a Software Engineer in a product company preferably.
You have in-depth knowledge and work experience with OO languages on the server side, preferably Ruby or Golang.
You've previously worked with serverless technologies.
Experience applying TDD and working with Clean Code principles
You have solid experience writing REST APIs
Experience working with Google Cloud
You have a solid understanding of SQL having strong working experience with its mainline database: PostgreSQL
Working with GIT and the command line is on your daily basis and you understand the benefits of working in a Continuous Deployment environment.
π Flexibility and Work-Life Balance
Flexible working hours.
Reduced working hours: Every Friday and throughout August.
Day off for your birthday.
25 days of vacation.
π Professional Growth
Budget for training and language classes.
π Well-being
Access to Wellhub and BH Bienestar (physical and emotional care).
50% discount on health insurance (Sanitas).
About Loyal Guru
Loyal Guru is a retail technology company that provides an AI-powered customer data platform (CDP) for physical retail. Their platform helps retailers unify customer data across online and in-store channels to deliver personalized shopping experiences. The company operates globally with a focus on the retail sector, serving clients across Europe and Latin America.
Loyal Guru has its Spanish headquarters in Barcelona, where it runs its product, engineering, and customer success teams. The company is actively hiring international talent for roles in customer success, sales, and engineering, making it a relevant option for professionals looking to relocate to Spain's tech hub.
- Industry
- Retail Tech
- Founded
- 2015
- Employees
- 100β200
- Headquarters
- Barcelona, Spain
- In Spain
- Barcelona
Good to know if you are moving
- Barcelona-based company with a multicultural, English-speaking work environment.
- Offers visa sponsorship and relocation support for international hires.
- Focus on retail tech means roles often combine technical skills with customer-facing responsibilities.
- Fast-growing startup environment with flat hierarchy and direct impact on product.
- Spanish language skills are a plus for customer-facing roles, but English is the working language.
In their own words
About the company & team
We are an international team of passionate, humble, and dynamic professionals gathering each individual's potentials and contributing in many different ways to the same mission. We do believe in an open culture to shape what we are, where bright ideas and excellence come from a great combination of enthusiasm, expertise and why not? fun;-).
Location
Loyal Guru Β· Barcelona
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