Senior Backend Developer (Node.js)

• Required skills: at least 4 years of commercial experience in Node.js, experience in SQL and NoSQL DBs, a vast knowledge of at least one JS framework (Express.js preferred), SOLID and KISS in your veins, solid knowledge about design and architecture patterns, knowledge about basic AWS services, basic dev-ops skills (Docker, GitHub Actions), a very good command of written and spoken English (CEFR B2+)
• Nice to have: knowledge of Scrum and Agile methodologies, open-source contributions, Serverless experience, experience in TypeScript and various BE frameworks
• Perks and Benefits: +6 000 PLN / year training budget, + 1500 PLN / quarter for health insurance and sports, Mentoring Program, work on site, hybrid or fully remote
• B2B/UZL: + paid days off

About the role - Technical:

• Writing readable and easy to maintain JS code with OOP flavor
• Have technical involvement in the product - finding ways to improve it
• Being partially responsible and involved in design and modification of the DB structures
• Writing documentation for delivered code

Tools you’ll use:

• Slack, GSuite
• GitHub
• Jira, Confluence, Miro
• Apple MacBook Pro

About the role - Non-Technical:

• Improve and reuse the company’s knowledge base
• Communicate with the team to efficiently translate business complexities (user stories/tasks) into solutions (results/estimations)
• Being a natural leader in terms of Backend - staying on top with trends/news, sharing them, teaching others and aiming for best quality solutions
• Being part in our Phase0 (Discover - Define - Design process for startups and MVPs)

We'll be happy to see that you:

• Know JS - been there, done that - understands most of the concepts, knows how and why JS works as it does, is able to pass this knowledge to others easily
• Have a deep knowledge of at least one Node.js backend framework (Express.js - prefered) - knows APIs/functions/features, thoroughly used them in abstract constructions/utilized keeping good practices, was working on at least 2 projects involving such technologies, have commercial experience in it
• Have knowledge and experience in utilising OOP, keeping good practices, data structures, SOLID, DRY and design patterns
• Have worked with SQL databases (integration and design-wise) utilising ORM or query builder tool (ie. Sequalize, Knex)
• Potentially worked with NoSQL databases and/or in-memory databases and utilized them as a data store
• Worked within AWS stack - used S3, Cognito, SNS, SQS, others
• Have basic experience in Serverless - was running some applications in "the Serverless way"
• Have usage experience with Docker - knows how to prepare and debug the environment and connect things up to work locally
• Open-minded to new challenges (TypeScript, frameworks other than Express, etc)
• Minimum B2 English - documentation/tasks/other reading/writing
• Know why MVP is important and regardless of quick delivery times, wants to do a good job at a high quality level