lock-svg project
Successfully occupied
View project information dropdown icon
Wallet icon Coin icon Rate 6 600 € - 7 600 € / month info
Timer icon Form of cooperation Full-time / 80% Remote
Briefcase icon Sector Banking
Location icon Location Bratislava

info The reward is calculated upon delivery of 20 MD per month (1MD=8h)

Project duration 12 months with possible extension
Period of cooperation 01.05.2026 - 30.04.2027
Start date 01.05.2026 or by agreement
Technology
  • Python
  • Node.js
  • LLM Large Language Model
  • LangChain
Languages
  • English flag English - active, B2/C1/C2

Project description

  • maintenance and stabilization of existing Node.js backend
  • implementation of small functionalities and bug fixing
  • optimization of reliability and stability of production services
  • change management and minimization of regressions
  • testing and validation of changes before release
  • development of a new Python orchestration layer for conversational AI
  • design and implementation of LangChain / LangGraph pipelines
  • integration of external LLM API services
  • design and optimization of prompt engineering strategies
  • implementation of error handling and fallback mechanisms
  • participation in architectural decisions during migration to a new stack
  • design of automated tests and CI/CD pipelines
  • creation of technical documentation

Project requirements

  • minimum 3+ years of project experience with Python development
  • advanced experience with Node.js backend development
  • experience with maintenance and stabilization of production systems
  • project experience with LLM technologies
  • experience with:
    • LangChain / LangGraph
    • prompt engineering
    • integration of external AI / LLM APIs
    • design of backend services and orchestration layers
    • testing of backend applications
    • LangChain framework (development and integration of LLM applications, prompt engineering, chain composition)
       
  • active knowledge of English at a communicative level (spoken and written) B2 - C1
     
  • great advantage are experiences with:
    • Kotlin backend development
    • cloud infrastructure
    • JWT / OAuth2 / security/auth mechanisms
    • experience in a banking / fintech environment
       
  • analytical thinking
  • team player
  • attention to detail
Are you interested in this project?
Recommend an IT specialist Do you know anyone who could use this project? Recommend him and get a reward 720 €!
Hire an IT specialist Do you need a similar IT freelancer for your project? Hire a specialist
New to the world of IT freelancing ?

Freedom, flexibility, greater control over finances and career. Freelancing has evolved and offers much more today. See what's in store for you and how it will change your life.

Are you interested in this project?
Recommend an IT specialist Do you know anyone who could use this project? Recommend him and get a reward 720 €!
Hire an IT specialist Do you need a similar IT freelancer for your project? Hire a specialist
32 138

Titans that have
joined us

744

Clients that have
joined us

699 462

Succcessfully supplied
man-days