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finanzen.net GmbH

Senior Backend Software Engineer – m/f/d

finanzen.net GmbH

Senior Backend Software Engineer responsible for the development of a cloud-based broker platform at Finanzen.net. Collaborating within an agile team using Java and Spring Boot in a cloud environment (AWS).

Posted 6/16/2026full-timeKarlsruhe • 🇩🇪 GermanySeniorWebsite

Tech Stack

Tools & technologies
AWSJavaMySQLSpringSpring BootSpringBoot

About the role

Key responsibilities & impact
  • You are a core member of the engineering team and jointly responsible for the further development and operation of our broker platform finanzen.net zero.
  • Work as part of an agile team with interfaces to internal business units, IT, Marketing, Support and other business stakeholders.
  • Develop our platform together with the team: we use Java and Spring Boot in a cloud-based environment (AWS).
  • Together with the team you take responsibility for our platform and act as the primary contact for our business units on 3rd-level support requests.
  • You continuously monitor our systems and operational dashboards, oversee and manage the end-of-day processing from the banking system, and ensure the processing of our customers' securities orders.

Requirements

What you’ll need
  • Several years of experience in the development and cloud-based operation (preferably AWS) of backend applications using Java, Spring Boot and REST
  • Solid knowledge of the trading, brokerage and banking domain—ideally with experience in securities settlement, order management and end-of-day processing
  • Experience with AI tools and a genuine interest in integrating them usefully into everyday development
  • Experience working with MySQL or similar relational, transaction-oriented databases
  • Independent, structured and goal-oriented working style
  • Practical experience in agile methodologies such as Scrum/Kanban, and familiarity with tools like JIRA and Confluence
  • Analytical thinking as well as strategic and process-oriented thinking and acting
  • Initiative, strong communication skills and ability to handle feedback: as a team player you value constructive exchange to meet shared goals on time
  • Fluent German language skills, both spoken and written, at least C1.

Benefits

Comp & perks
  • Modern office hubs & hybrid working
  • Training and development opportunities in financial markets and investment
  • Regular team events & a strong company culture
  • Health and mobility benefits (company bike program, public transport subsidy)
  • Attractive financial benefits & additional perks
  • An environment where you can contribute, develop and feel comfortable.

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Hard Skills & Tools
JavaSpring BootRESTAWSMySQLcloud-based operationbackend applicationsAI toolsagile methodologiesend-of-day processing
Soft Skills
independent working stylestructured working stylegoal-oriented working styleanalytical thinkingstrategic thinkingprocess-oriented thinkinginitiativestrong communication skillsteam playerability to handle feedback