Backend Engineer
Lead Data Engineer (ADB)
Yerevan
Apply on the employer's siteRole description
We are looking for
Lead/Senior Data Engineer (ADB)
About The Client
Our client is one of the Big Four accounting firms and the world’s largest professional services
network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals
delivering excellence in audit, tax, consulting, and advisory.
The team you will join designs, develops, and deploys innovative enterprise technology and
AI-driven tools to support the delivery of tax services. It is a dynamic group combining expertise
in tax, software engineering, change management, and project management, working on
initiatives from tool design and deployment to training development and engagement
management.
Project Tech Stack
Azure Cloud, Microservices Architecture, .NET 8, ASP.NET Core services, Python, MongoDB,
Azure SQL, Angular 18, Kendo, GitHub Enterprise with Copilot, LangGraph, LangChain, RAG
Pipelines, Multi-modal LLMs
What You’ll Do
Define and enforce best practices and coding standards across the project
Conduct thorough code reviews to ensure adherence to established guidelines and maintain high code quality
Working both independently and in close collaboration with others in the team
Communicating clear instructions to team members and helping manage the flow of day-to-day operations
Communicating with the client regularly
Design, develop, and maintain robust and scalable Spark applications
Write clean, maintainable, and efficient code following best practices and coding standards
Optimize code for performance and scalability, ensuring efficient data handling
Work closely with cross-functional teams to deliver high-quality software solutions
Identify and resolve technical issues, ensuring the reliability and performance of applications
Create and maintain comprehensive documentation for code, processes, and workflows
What You Bring
5+ years of hands-on experience in software development
Practical experience developing
SQL stored procedures
and migrating them into Spark SQL or PySpark environments
Extensive expertise using
PySpark
on
Databricks
, encompassing Delta tables, cluster management, and workflow automation
Proven track record of optimizing Spark performance within production-level projects
Strong proficiency in
Python
, specifically for complex data manipulation utilizing libraries like Polars or Pandas
Solid understanding of columnar data storage formats, particularly Parquet, with practical experience using
Delta Tables
Proven expertise in data processing, analysis, and transformation workflows
Strong analytical and problem-solving abilities with a detail-oriented mindset
Practical and pragmatic approach to balancing standardized processes with flexibility to meet project goals effectively
Solid understanding of
microservices architecture
and its implementation in scalable systems
Nice to have
Experience working with Azure Cloud services (or other major cloud platforms),
including a range of SaaS offerings such as Service Bus, Data Lake, Blob Storage, Redis, and more
Familiarity with FastAPI
Expertise in containerization and orchestration tools such as Docker and Kubernetes
English level
Advanced
📩 Ready to Join?
We look forward to receiving your application and welcoming you to our team!
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