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DefineX Tech Stack

Financial services consulting and venture builder focused on tech transformation

Business Consulting and Services Istanbul, Turkey 201–500 employees Privately Held

DefineX is a consulting and venture-building firm serving financial institutions through technology and digital transformation. The tech stack reveals dual operating modes: deep mainframe and legacy system expertise (Siebel, PL/SQL, Hadoop) paired with modern AI/ML capabilities (Hugging Face, LangChain, LlamaIndex, Python). Active projects span mainframe-to-microservices rewrites, LLM prototyping, and ML-enabled data pipelines—indicating they're helping clients bridge legacy banking infrastructure to AI-native architectures. The senior-weighted engineering and product hiring mix reflects advisory and build-partner work rather than pure consulting.

Tech Stack 44 technologies

Core StackJavaScript PL/SQL Java Angular React Vue Salesforce Dynamics 365 Jira Python Docker Kubernetes Hugging Face LangChain Informatica Hadoop Siebel Tools XML XSLT HTML5 CSS Spring Boot Siebel SAP CRM SQL R Git transformers LlamaIndex SuiteCRM+14 more

What DefineX Is Building

Challenges

  • High-tech platform transformations
  • Compensation benchmarking
  • Retention solutions
  • Legacy mainframe modernization
  • Implementing crm in telecom
  • Strengthening retention
  • Enhancing organizational effectiveness
  • Scaling data pipelines for ml in banking
  • Modernizing legacy data warehouse
  • Scalability of etl flows

Active Projects

  • Mainframe to microservices transformation
  • High-tech platform transformations
  • Crm development project
  • Llm prototype development
  • Nlp proof of concept
  • Predictive ai lifecycle
  • Employee experience improvement initiative
  • Retention and engagement process design
  • Organizational effectiveness change program
  • Scalable data engineering and etl pipelines for ml in banking

Hiring Activity

Decelerating20 roles · 4 in 30d

Department

Engineering
8
Product
3
Consulting
2
Data
2
HR
2
Finance
1

Seniority

Senior
13
Junior
5
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About DefineX

DefineX operates as a consulting house and venture builder specializing in technology transformation for financial institutions across the Middle East and Turkey. The firm combines banking domain expertise with engineering and product capability, covering strategy, architecture, design, and execution phases of major digital initiatives. Core practice areas include mainframe modernization, CRM implementation, data warehouse scaling, and emerging AI/ML applications in banking. The company is headquartered in Istanbul with active hiring in Turkey and Saudi Arabia, operating at 201–500 headcount with a senior-skewed team.

HeadquartersIstanbul, Turkey
Company Size201–500 employees
Hiring MarketsTurkey, Saudi Arabia

Frequently Asked Questions

What tech stack does DefineX use?

Legacy/integration stack: Siebel, PL/SQL, XML, SAP CRM, Informatica, Hadoop. Modern: Java, Spring Boot, React, Angular, Docker, Kubernetes. AI/ML: Python, Hugging Face, transformers, LangChain, LlamaIndex, R.

Where is DefineX headquartered and hiring?

Headquartered in Istanbul, Turkey. Currently hiring in Turkey and Saudi Arabia across engineering, product, consulting, and data functions.

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