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itestra GmbH

Software Developer

itestra GmbH

Software Developer involved in agile projects creating tailored software systems for digital business. Responsibilities include code analysis, development, and client collaboration.

Posted 5/18/2026full-timeHannover • 🇩🇪 GermanyMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AngularHaskellJavaKotlinPythonReactTypeScriptVue.js

About the role

Key responsibilities & impact
  • You analyze existing software systems at the code level and develop modernization strategies with measurable results.
  • You design and implement solutions in Java, Python, C#, TypeScript or other languages depending on project context.
  • You perform technical assessments and identify quick wins as well as long-term optimization opportunities.
  • You work directly with development teams and technical decision-makers at the client.
  • You document findings and enable client teams to continue modernization efforts independently.

Requirements

What you’ll need
  • University degree in Computer Science with good to very good grades and 100% passion for excellent code.
  • Programming experience from personal projects, working-student roles or internships.
  • Proficiency in at least one technology — Java, C#, React/Angular/Vue, Python, Kotlin, Haskell or whatever drives you.
  • Interest in code quality, software architecture and legacy systems.
  • Hands-on mentality and a structured, analytical, solution- and client-oriented way of working.
  • Multilingual in real life as well — very good German and English skills.

Benefits

Comp & perks
  • Weekly community lunch.
  • Exciting events, both on- and offline.
  • Two annual company weekends with family & partners.
  • Monthly Exchange Day.
  • Project rotations tailored to you.
  • Expertise management & on-demand training.
  • Regional offices.
  • Flexible working hours and locations to suit you.
  • Company bike (JobRad).
  • Urban Sports Club membership.
  • Ergonomic workstations.
  • Table tennis & foosball for break-time relaxation.
  • Transparent development model — performance is rewarded, loyalty too.
  • Attractive bonuses & 30+ vacation days.

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Hard Skills & Tools
JavaPythonC#TypeScriptReactAngularVueKotlinHaskellsoftware architecture
Soft Skills
analyticalsolution-orientedclient-orientedstructuredhands-on mentalitycommunicationteam collaborationdocumentation
Certifications
University degree in Computer Science