Skip to Main Content

Job Title


Senior Backend Engineer (f/m/d)


Company : JOIN


Location : Berlin, BE


Created : 2025-04-05


Job Type : Full Time


Job Description

We are JOIN, a team of 75 colleagues from various backgrounds, all on a mission to democratize recruiting. JOIN is one of Europe''s fastest-growing HR-Tech startups with over 100,000 customers in 6 countries and more than 100,000 job listings.YOUR FUTURE TEAM & ENGINEERING CULTUREOur mission as Backend Guild is to provide JOINs customers and their candidates with robust features, stable business flows, security, performance, resiliency. We strongly believe that Backend engineering should be collaborative with Platform, DevOps, Product and Frontend teams.We take care of our guilds tools by using our own architecture based on Clean Architecture, strict linters, code generators, coding conventions, code snippets and service templates to spend less time doing mundane work. We take pride in working through TDD, making sure all our services are covered with tests and that our releases are always reliable and stable.TasksCollaborate with frontend engineers, product managers and DevOps/Platform teams to create meaningful features for our customers through our custom-made work methodology Agile SDLC/KanbanConduct peer code reviews and attend project retrospectives to discuss and execute improvements as a teamParticipate in technical retrospectives to discuss testing culture, architectural solutions, automation topics, coding standards, and many more!You are not just a coder you are empowered to and always thinking about our product value that you can bring and how to improve the experience of our customersRequirements6+ years of backend development experience2+ years of experience in any strongly typed language or TypeScriptStrong experience with any RDBMS (either raw queries or via ORM)Good unit/integration testing experienceExperience with message brokers (SNS/RabbitMQ/Kafka/Google PubSub/etc...)You thrive in dynamic environments and can easily adjust to changing prioritiesYou take full responsibility for your work and can be counted on to deliver projects on timeYou are eager to grow and learn, picking up new skills and technologies quicklyYou regularly evaluate your own performance and are open to constructive feedback to continuously grow both personally and professionallyNICE TO HAVE:Experience with Node.jsExperience with GraphQLExperience in GCP or AWSExperience with gRPC framework and proto buffersGood understanding of SOLID principlesBenefitsA competitive salary, tailored to align with your experience level.Join our dynamic team in a flexible tech environment, with your choice of Macbook Pro or Lenovo, and enjoy ergonomic support with stand-up desks to boost productivity and well-being.Experience an inspiring, diverse, and international work atmosphereWork in our design office located in the famous Kulturbrauerei in Prenzlauer Berg, in the heart of Berlin!Relocation support.Regular team events, company events, breakfast or lunch sponsored by the companyEnjoy flexibility with our hybrid work approach (3 days in the office / 2 from home): You''ll receive an annual mobility budget of 600 for either NAVIT or a Deutschland Card.You''ll receive an annual benefits budget of 600 and can enjoy the perks from 35 premium partners.Work from Anywhere: After your probationary period, you can work from anywhere or from home for up to 104 days per year.We welcome applications from individuals of all ages, abilities, genders, religions and diverse backgrounds. If you need assistance or accommodations during the hiring process or in the workplace, let us know!Dont meet every requirement? No problem! Were always open to exceptional candidates and value diversity in all forms.Interested? We cant wait to hear from you!!