Salary:   PLN 19 000 - 28 000 net (B2B) | PLN 15 800 - 23 000 gross (UoP) €4 250 - 6 200 (B2B) Location : Europe, remotely (with access to coworking spaces in your city) We are a fast-growing tech company created by experienced international talents. Our product is a top-rated online platform for small and medium businesses to grow sales through outstanding customer service. Our goal is to create a frictionless customer experience for individual users and, at the same time, help entrepreneurs worldwide grow their businesses by giving them access to a top-notch AI-driven tool. Working at Tidio means impacting thousands of companies and millions of their users. But our clients are not the only ones who can grow with us. By joining Tidio, you can grow, too! A few facts about us: Our product is in the world's top 5 most popular live chat solutions, and our goal is to become no. 1. We are among the Top 50 AI and Top 50 Customer Service Products in G2’s Best Software Awards 2024. We currently rate at 4.7/5 in both  Shopify  and  G2 . The new  Tidio AI  feature ( Lyro ) answers up to 70% of customers’ questions in seconds and is available to users even on a free plan. It’s a real AI revolution! Every month, our widget is viewed by 350 million unique users, which is 4% of the global population. This means 27 million queries to our API daily and over 500k WebSocket connections in the peak time. Currently, we hire over 180 fantastic people and over 60 in the Engineering and Infrastructure teams. In March 2022 we secured $25 mln in a Series B Investment round (read TechCrunch’s article to learn more) In June 2023, our monthly MRR exceeded $1M. Would you like to see what working with us looks like? Check out our  #GrowWithTidio video https://youtu.be/8xd44wCP5LI How we work in the Tech Team: The Tech team is the biggest one in Tidio, currently consisting of  more than 60 people . We like to be on top with tech, so we use  PHP 8+  and  the   newest versions  of other technologies. We review our code and care about its quality (PHPStan level 8) and test coverage. We work in  Scrum . We offer a  possibility to grow in different technologies  (i.e. NodeJS, AWS, Docker or Machine Learning) or paths (i.e. leadership). We exchange experiences in our  guilds  - Backend, Frontend, QA. We have  internal lightning talks  and many training opportunities (i.e. Scrum PSD or event storming with Bottega). As a Senior Backend Developer you will: work on developing Tidio app (new features & maintenance) in Scrum (mostly 2 weeks sprints, small teams), actively cooperate with your Scrum team consisting of Backend, Frontend, and QA Engineers, Designer, UX Researcher, and a Product Owner, contribute to developing new solutions while sharing your opinion and ideas during Scrum Events, Guild meetings, or simply in Slack channels, use the following tech stack:  PHP 8+, Elasticsearch, Redis, RabbitMQ and Docker together with DDD + modern architecture and patterns (hexagonal; CQRS) You are a perfect candidate if you: have at least 4 years of experience working as a Software Developer have expertise in PHP (preferably from version PHP 8+ so you know all the newest features) worked with DDD worked with different types of software architecture and patterns (hexagonal, CQRS) have knowledge of MySQL have expertise in one of PHP's frameworks (i.e. Laravel or Symfony) write clean code, use SOLID and implement good practices test your code on a daily basis You’ll score extra points if you: have experience with deliverability and email service providers (ESP) have knowledge of Event Storming have knowledge of Event Sourcing We would like to offer you: A real impact on the company’s growth Remuneration  19 000 - 28 000 PLN net  in the case of a  B2B  contract or  15 800 - 23 000 PLN gross  on the  contract of employment Work with an experienced team that continually shares knowledge and is not afraid of testing new solutions; Great development opportunities – company-supported courses and conferences; Opportunity for  100% remote work with flexible hours  (as long as you can attend agreed-upon online meetings with your team); Possibility to use one of our  2 offices in Poland  (Warsaw or Szczecin), or book  a coworking space in your city; 26 days off guaranteed in a year; Workation - you can enjoy working from a holiday destination up to 182 days a year (as outlined in our Workation Policy); Individual work tools – Macbook Pro, Dell screen, JBL headphones? You can tailor the equipment to your needs; Sport & wellness benefit or its financial equivalent; Private medical care or its financial equivalent; Mental well-being program – individual therapy sessions and resources for employees; Budget for 1:1 English language classes; Free access to one of the most popular e-book/audiobook services; Regular integration events (company-wide meetings, team events); Our famous onboarding bagels on your first day! Would you like to meet other Tidioers in person? Make sure to visit one of our sites in Poland (more info  here ). What happens when you send your CV? Screening intro call  with a recruiter [45 min] Task  to be done at home [a few hours spent in the evening or two] Tech interview  with two Software Engineers with technical questions regarding the task and your technical knowledge 2nd interview  with 2 people, Engineering Manager and Recruiter, with value-based questions about your experience and cultural fit [1.5h] Offer and fireworks! Don't hesitate and apply right away! Diversity Statement One of Tidio’s core values is to play fair. Therefore, we treat all candidates equally. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, or disability status. This means recruitment and selection of talent to Tidio is only based on individual merit and qualifications directly related to professional competence.