About the role

  • You develop middleware and backend components of our integration platform based on NestJS
  • You integrate the APIs of the modules of our AI Suite into the AI Suite Studio
  • You design and implement RESTful and web APIs
  • You contribute to DevOps tasks and extend our CI/CD pipelines

Requirements

  • You have at least five years of experience in backend development
  • You hold a completed Bachelor's or Master's degree in Computer Science, Mathematics, Data Science, or a comparable field
  • You are proficient in TypeScript/JavaScript, Node.js and NestJS and have experience developing modern full‑stack web applications
  • You have initial experience in developing AI applications and are comfortable working with databases such as MySQL or PostgreSQL as well as with ORMs
  • You have very good German language skills (minimum C1) and solid English skills (minimum B1)
  • A plus, but not required: basic experience with GitHub Actions
  • You have a good understanding of cloud technologies, ideally Microsoft Azure
  • You have initial experience integrating LLMs into applications

Benefits

  • Job security: From day one you will receive a permanent employment contract to secure your long‑term career at hsag
  • Flexibility: In addition to one to two team days per week in the office, you have the option to work flexibly from home and enjoy a balanced work‑life arrangement
  • Our academy: The hsag Academy offers training, courses and further education to continuously develop your skills
  • Our perks for you: employer‑sponsored company pension plan, a tax‑free communications allowance, Corporate Benefits, cash bonuses for our employee referral program, a subsidy for the Deutschlandticket, and company events across locations – both online and in person
  • Your wellbeing: We provide occupational health management to actively maintain your health and promote mental wellbeing. With the WLP app you can expand your health knowledge, stay active and pursue your personal (fitness) goals
  • Our corporate culture: Experience a culture of mutual respect that promotes ownership, team spirit and direct feedback. We value fast learning and enthusiasm for delivery while working together as a team

Job title

Senior TypeScript / JavaScript Engineer

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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