Backend Developer

ADDITIVE; Berlin; Hybrid; EUR 60.000 - 75.000; Vollzeit

Zusammenfassung

A leading tech company in Berlin is seeking a passionate Backend Developer with extensive experience in PHP and SQL. You will design and enhance in‑house applications, integrate systems, and ensure high-quality code. Ideal candidates possess strong analytical skills and are comfortable working both independently and collaboratively. A hybrid work model is possible, but candidates must be willing to work on-site several times a week.

Leistungen

Flexible working hours

Free use of centrally located apartments

International work locations

Qualifikationen

• Extensive professional experience in application development.
• Knowledge of back-end systems and programming.
• Hands-on mentality with reliable and flexible work approach.

Aufgaben

• Design and enhance ADDITIVE+ APPS using PHP and Laravel or Ruby.
• Integrate external systems with a focus on PMS.
• Analyse and process streaming data effectively.
• Write high quality code with extensive test coverage.
• Collaborate and contribute innovative ideas across teams.

Kenntnisse

PHP frameworks

Databases and SQL (PostgreSQL)

REST

GIT

JSON

Ruby and Ruby on Rails

Analytical skills

English or German

Tools

Laravel

PostgreSQL

GitHub

Heroku

Jobbeschreibung

Salary: 60.000 - 75.000 per year

Requirements

• At ADDITIVE, we process a staggering 350,000 data points in real-time every day. Still not convinced? How about over 200,000 leads generated and confirmed, or more than 100,000 data-driven on‑page pop‑ups displayed? And that's not all we've sent out more than 50,000,000 newsletters - and counting.
• At ADDITIVE, data science is not just a buzzword; we live and love data. Next‑level software development at ADDITIVE means revolutionising hotel marketing worldwide. Join us and leave your mark on tomorrow's coding world.
• As a Backend Developer, you bring both a passion for programming and extensive professional experience in this field. Your expertise lies in application development using PHP frameworks, showcasing your deep understanding of backend systems.
• Furthermore, your knowledge and experience in databases and SQL (PostgreSQL), handling interfaces (REST, JSON, XML), as well as Version Control Systems (GIT), are absolutely solid.
• You put your excellent English or German skills to good use. With a hands‑on mentality, you work in a goal‑oriented and self‑reliant manner. Moreover, you are a team player who impresses with reliability and flexibility. Your strong analytical skills complete your profile.
• We're looking to onboard immediately or by arrangement. We are only considering candidates who are able and willing to work on‑site at our offices in Bolzano, Lana, or Innsbruck. A hybrid work model is possible, but regular in‑person presence several times per week is required.

Responsibilities

• Designing, optimizing, and continuously enhancing our in‑house developed ADDITIVE+ APPS (CRM, vouchers, landing pages, and newsletters, marketing automation software) using PHP and Laravel or Ruby and Ruby on Rails (depending on the software product)
• Integrating external systems and interfaces, with a particular focus on property management systems (PMS)
• Profound analysis and processing of streaming data and database tables
• Write self‑sustaining, high quality code with extensive test coverage
• Act as a source of inspiration and contribute innovative ideas for new solutions, fostering ongoing knowledge sharing and collaboration across teams

Technologies

• Backend
• CRM
• Git
• Support
• JSON
• Laravel
• Marketing
• PHP
• PostgreSQL
• REST
• Rails
• Ruby
• SQL
• XML
• Big Data
• Cloud
• Firebase
• Frontend
• GitHub
• Heroku
• UX UI Design

More

• Working together to succeed
• Personalized, well‑structured and efficient
• Clear goals and an exciting roadmap
• Clear concepts - one common goal : Our roadmap is exciting.
• International locations - our unique benefit

We make no compromises when it comes to helping our customers succeed with our innovative marketing and software solutions.

Balancing personal support with standardized processes.

Clear goals and an exciting roadmap

Clear concepts - one common goal : Our roadmap is exciting.

In addition to our headquarters in South Tyrol and Innsbruck, there is the possibility of working in one of the offices in Barcelona, Berlin, Stockholm or Rome. The use of the centrally located ADDITIVE apartments is free of charge for you as well as for your partner or the whole family with children. You read that right : You can take your partner (and of course your kids) with you to these exciting cities for up to a month at a time. Thanks to our flexible working hours, there will certainly be time during the week to explore and experience the vibrant locations together.

last updated 47 week of 2025