Software Engineer - Ruby on Rails

Published on April 13, 2024

Who are we? 🤔 • a global team with high standards - we maintain Silicon Valley quality and vibe, even though we have spread far beyond • we've made a real difference in the world since 2008! We deliver for Zoetis, Apple, Tesla, NATO, UNICEF, and many more • 100-people-sized A-Team in Wrocław, with other offices in the US, UK, and India View our website for more details and case study examples. Because everyone is empowered at Kellton, new team members enjoy making a difference right away and progressing quickly in responsibility and ownership.

Who are we? 🤔

• a global team with high standards - we maintain Silicon Valley quality and vibe, even though we have spread far beyond 
• we've made a real difference in the world since 2008! We deliver for Zoetis, Apple, Tesla, NATO, UNICEF, and many more 
• 100-people-sized A-Team in Wrocław, with other offices in the US, UK, and India

View our website for more details and case study examples. Because everyone is empowered at Kellton, new team members enjoy making a difference right away and progressing quickly in responsibility and ownership.


We're looking for you if:

• you're great at collaborating with clients
• you have a "Get job done" attitude  ✅
• you're able to work on a B2B contract
• you speak and understand English on at least B2 level 🇺🇸


Tech requirements:

• 3+ years experience with Ruby on Rails
• experience building out RESTful APIs for front-end clients to consume
• knowledge of modern front-end frameworks such as React, Angular
• familiarity with modern DevOps tools such as Docker, Kubernetes, Terraform, etc.
• experience with a version control tool (we use git and GitHub)
• experience working in an agile development environment and using agile tools
• desire to be in a fast-moving consulting environment

Nice to have:

• experience with other languages (such as Python, Javascript/Typescript etc.) and web frameworks (Django, Express etc.)
knowledge of a CSS preprocessor (LESS/Sass)
• experience with GraphQL
• university degree in Computer Science or related engineering field


💪🏼 We care about your growth…

• you will sense a knowledge-exchange culture from Day 1 - workshops, meetups, hackathons, or coffee machine meetings - we inspire each other daily 💡
• training, courses, workshops, and conferences of your choice will be covered by Kellton
• you won’t get stuck within one area - we’ll make sure that you’ll be challenged with various types of projects. Just look up our case studies!
• you’ll work in an international and multicultural environment on a daily basis 🌎
• aspiring to become a full-stack or just willing to broaden your knowledge? Cross-team work will let you learn and help other departments
• free English lessons twice a week - with us, you will take your language skills to the next level 🇬🇧

🧘🏻‍♀️ …well-being...

• 20 days of paid time off on a B2B 🏝
• ever wondered how will bar, office, and dev-cave basement look combined? That’s our office aka the best and natural habitat for devs (can be outranked only by your home office)
• multiple food benefits: home-ordered meals if you work remotely, in-office lunches, a kitchen full of snacks and drinks, and many more 🍱
• of course, we do provide Multisport Card

💆🏼‍♀️ …and ease of mind. 

• we insure your life and health with personalized insurance and private healthcare
• create a practical, unique, and comfy workspace with our 1.5K PLN home-office bonus 🏡


🙌🏻 Clear recruitment process:
1. Introductory meeting 🤜🏼🤛🏼 - we are a close-knit team, and getting to know each other is our priority! 
2. Short task 🧠 - we want to see how you approach the challenge and how you code, how logically you think and how you solve problems.
3. Technical screen ⚙️ - after that stage, you won’t have any unanswered technical questions. You will also have the opportunity to discuss your task with people who reviewed it and show off your coding skills.
4. A meeting with your future manager. 🤝