Senior Backend Developer

Senior Backend Developer, highly skilled in Node.js, wanted!We are looking for an experienced Senior Node.js Developer who feels great not only while designing system architecture and coding, but also when engaging in the creation of products in cooperation with the whole team, suggesting the best technical solutions for our clients. If you are a Node.js (Nest.js) fan who loves to work closely with Agile teams and clients… hey, maybe we’re looking for you?Requirements At least 7+ years of commercial experience in Node.js, Very good knowledge of Nest.js (in-depth understanding of the framework and ability to use it in practice: being able to configure or customize it to suit the project’s needs), Great knowledge and proven experience in designing system architecture, Excellent knowledge of JavaScript and TypeScript - so you not only feel fluent in the basics, but also in more advanced concepts, Very good knowledge of relational or non-relational databases (preferably PostgreSQL), Good knowledge of object-oriented programming, clean code, clean architecture, Familiarity with design patterns and ability to use them, Experience in writing tests, also end-to-end tests, Experience in deploying your code to cloud infrastructure (preferably AWS), Experience in CI/CD, Experience working in an Agile environment, Great communication skills, also in direct communication with clients, and openness to give and receive feedback, Experience in gathering business requirements from a backend perspective, suggesting the best possible solutions, Ability to work independently and be self-organized, Fluent command of written and spoken English and Polish (at least B2/C1 level). Nice to have: Experience in React.js (so you can use your frontend skills when needed), Experience in Terraform, Good knowledge of Domain-Driven Design (DDD), Experience in Docker. You will be: Programming, being responsible for the backend side of different, mostly mobile, products, Designing and shaping the application architecture and ensuring high code quality and best programming practices, Cooperating closely in experienced Agile teams that include Product Owners, QAs, Web and Mobile (Flutter, iOS, Android) Developers, Designers, Writing automated tests and working with the CI/CD process, Communicating directly with the Clients, suggesting technical solutions that work for the business, Gathering business requirements from a backend perspective, ensuring that we’re using the best and cost-effective solutions, Mentoring and supporting other developers by sharing knowledge, conducting code reviews, and promoting best practices, Taking part in defining and improving development processes, Evaluating new technologies and keeping up with current industry best practices, Participating in internal Web Group Meetings. Recruitment process: Submit an application form – it’s the best way for us to get to know you! Answer a few technical questions during an initial online call with the Web Team (40 min). Join an online interview with the pair programming session organized by the Web Team and Talent Acquisition Specialist (1,5-2h). Get feedback and join our team! About the companyWe strive to create products that users will love. Every day, we are helping both startups and big market players to achieve their business goals by delivering top-notch mobile applications & designs for iOS and Android platforms. We also support our clients with back-end solutions in Ruby On Rails, as well as front-end web solutions in React.Since 2011, we have already completed over 60 projects with our partners from around the world, including the United States, Europe, Australia and Asia. Among the startups we’ve worked for are GIPHY and Electric Objects.We’re a team of more than 50 talented professionals – Developers, UX/UI Designers, QA Engineers, Scrum Masters and Account Managers – who love to share knowledge. We organize Bootcamps for beginners, lectures for students and recognized meetups like Let Swift and Toast for developers and Dribbble WroMeetup for designers. Get to know us a bit better:
Check out our repositories at Github


We contribute to open source projects


Blog posts written by our developers are shared via the most popular digests e.g. AndroidWeekly, SwiftWeekly


Our content is also loved by companies like Bitrise


We do awesome R&D projects, like our Workcation App


We’re among Deloitte Technology Fast 50 Central Europe Awards


Our clients love us – see their recommendations at Clutch.co

Let’s make apps that will rock the world!

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