Software developer

Hornetsecurity GmbH

Job

In this role, you will develop internal services using Python and Flask, implement REST APIs, work in Docker environments, design asynchronous worker systems, and integrate external APIs while supporting international teams.

Job summary

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Job technologies

Your role in the team

  • Development and further development of internal services and tools (e.g., Subscription Manager)
  • Implementation of REST-based backend services using Python (Flask)
  • Development of asynchronous worker systems with Celery
  • Working in Docker-based microservice architectures
  • Integration of external systems, including:
  • Salesforce API
  • Payment providers such as Stripe, GoCardless
  • Support for architecture decisions & evaluation of new technologies
  • International collaboration with Finance, Sales Operations, Product & Engineering
  • Ensuring stability, performance, and monitoring of own services

Our expectations of you

Qualifications

  • Knowledge in API integration & modern web technologies
  • Hands-on mentality: You find solutions where others see problems
  • Structured, independent working style
  • Strong motivation for new technologies and technical innovations
  • Enjoyment of complex challenges and automation
  • Basic knowledge of frontend technologies (Vue, React)
  • Knowledge in the field of Billing/FinTech/Accounting

Experience

  • Excellent knowledge of Python and initial experience with Flask, FastAPI, or similar frameworks
  • Experience with Docker and containerized applications
  • Experience with databases (MySQL/PostgreSQL)
  • Experience with Elasticsearch, Redis, Message Queues
  • Experience in designing distributed systems

What we offer

  • Temporary Employee Exchange Program - we support you in working at our global office locations and exploring the world (e.g., Malta, Madrid, Montréal, Washington).
  • Home office option and flexible working hours.
  • Team events like laser tag, escape room, or get-together at our own legendary beer wagon in Hannover - let yourself be surprised.
  • Be-Active Bonus - we subsidize your fitness memberships.
  • Whether by car, public transport, or bicycle - we make your commute easier with free parking (Hannover), discounted job tickets, or bike leasing!
  • Subsidy for company pension scheme.
  • Referral Bonus: €1500 reward for each successful candidate referral.
  • And of course the usual standards such as 30 days of vacation, permanent contracts, development opportunities, coffee, tea, soft drinks & fresh fruit, office dogs, no dress code, and much more.

Benefits

Topics you will work on

Job locations

Map of the job locations
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  • Location Hanover
    Niedersachsen, Germany

About your employer

Hornetsecurity is a leading German provider of cloud security services, protecting the IT infrastructure, digital communications and data of businesses and organizations of all sizes. Its services are delivered through 9 globally redundant facilities. The product portfolio includes all key areas of email security, from spam and virus filtering to legal compliance archiving and encryption, as well as protection against CEO fraud and ransomware.

Company size
50-249 Employees
Founding year
2007
Company type
Established Company
Work model
Onsite, Hybrid, Full Remote
Industry
Internet, IT, Telecommunication
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Software developer

Hornetsecurity GmbH