sunzinet_event_DIB_001-57-1
P1005599
HubSpot_Career page_2026 (3)
HubSpot_Career page_2026 (2)
HubSpot_Career page_2026 (1)

Mid Backend Developer (Golang)

Business Plattforms

Full time

Across Europe (EU)

About SUNZINET

SUNZINET has been supporting renowned clients with holistic solutions for their digital transformation processes for 25 years. As one of the top 70 owner-managed full-service digital agencies in Germany, we offer you the opportunity to help shape the digital world of tomorrow together with around 160 creative minds.

Our projects are diverse: our range of services covers architecture, analytics, platform and custom development, digital marketing, e-commerce, CRM and digital workplace. We work with clients such as Bosch, Schöffel and Swarovski and have received multiple awards for our services. 

 

At SUNZINET, you can expect an inspiring environment where your ideas matter. With locations in Germany, Austria and Poland, we are internationally positioned and offer exciting opportunities for your individual development. We are among the top 5% of the most popular employers on Kununu and are proud to have continuously received the Top Company Award since 2023.


Your qualifications
  • At least 3 years of hands-on professional experience in backend development
  • Strong knowledge of Go (Golang) and common Go frameworks or libraries
  • Proven experience in API development (REST, ideally also gRPC)
  • Clean Code, code reviews, and software quality are part of your DNA
  • Broad experience in developing distributed systems and web applications
  • Very good command of Git (e.g. GitHub, GitLab)
  • Solid knowledge of OOP / structured design, Clean Architecture, and SOLID principles
  • Experience with TDD and automated testing
  • Confident working with the command line
  • Knowledge of Agile development methodologies (Scrum preferred)
  • High motivation driven by a genuine passion for software development
  • Fluent English (B2+) is a must – we communicate in English on a daily basis

Nice to Have
  • Experience with Kubernetes, and cloud environments
  • Knowledge of Elasticsearch and/or non-relational databases
  • Experience with message queues (e.g. Kafka, RabbitMQ, NATS)


Your Tasks
  • Understanding the client's business processes, requirements, and challenges,
  • Acting as the trusted advisor for clients and providing strategic recommendations and best practices on Salesforce solutions and architecture,
  • Coordinating project plans, estimates, and timelines with project management,
  • Configuring and customizing Salesforce features and functionality,
  • Testing and deploying solutions and ensuring quality and performance,
  • Providing training and support to end-users and administrators,
  • Collaborating with other consultants, developers, and architects on the team,
  • Managing change requests and issues,
  • Providing training for end-users and IT teams and providing technical support in troubleshooting,

We offer
Shape your future at one of the leading agencies for digital transformation. We value your initiative and look forward to receiving your application. SUNZINET is diverse, open and tolerant. In your application, only your qualifications, experience and personality matter.   

It is important to us that you feel comfortable, enjoy your work and continuously develop yourself. To support this, SUNZINET offers you an attractive working environment in addition to exciting projects:  
  • Workation 🪸
  • Medicover Sport 🏃🏻‍♀️
  • 1000 euro Training Budget 📖
  • Employee Events🕺🏻
  • Language classes (English and German) 👩🏻‍💻
  • Private Medical Care ❤️‍🩹
  • The form of employment is up to you 📝
martyna gierszewska male

Martyna Gierszewska

HR Specialist

martyna.gierszewska@sunzinet.com