Senior C# Developer – Data Integration & AWS

Senior C# Developer – Data Integration & AWS

Posted 1 week ago by EPAM Systems

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Negotiable
Undetermined
Undetermined
Belfast, Northern Ireland, United Kingdom
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Amazon DynamoDB Amazon Web Services (AWS) Application Programming Interface (API) AWS Lambda Business Transformation C# (Programming Language) Data Modeling Data Processing Data Processing Systems Derivatives Extract Transform Load (ETL) Financial Services Generic Programming Investments Management Nice (Unix Utility) Risk Management Software Development SQL (Programming Language) Workflows

Summary: The role of Senior C# Developer at First Derivative involves developing scalable data pipelines and backend services for a data lake platform, primarily using C#, SQL, and AWS technologies. The position is part of the Data Modernization team in Belfast, focusing on integrating critical datasets for financial services clients. The developer will collaborate with business analysts to ensure data workflows meet industry requirements while optimizing performance and security. This role requires strong technical expertise and problem-solving skills in a data-centric environment.

Key Responsibilities:

  • Develop, enhance, and maintain backend services and APIs using C#, SQL, and AWS-native technologies
  • Work on ETL pipelines to integrate data from multiple sources into the AWS-based data lake
  • Leverage AWS services such as Lambda, Glue, S3, and RDS to build and deploy scalable solutions
  • Collaborate with business analysts to implement data workflows that align with financial services requirements
  • Optimize the performance of data processing systems for low-latency and efficient querying
  • Ensure cloud-based solutions are secure, reliable, and follow best practices

Key Skills:

  • Strong experience (3+ years) in C# programming, including API development
  • Proficiency in writing and optimizing SQL queries for complex datasets
  • Hands-on experience with AWS services (e.g., S3, Glue, Lambda, RDS or DynamoDB)
  • Strong understanding of data modeling principles and ETL processes
  • Excellent problem-solving skills and attention to detail within large-scale data systems
  • Experience working in financial services or familiarity with reference/counterparty/instrument data (nice to have)

Salary (Rate): undetermined

City: Belfast

Country: United Kingdom

Working Arrangements: undetermined

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming the financial services sector. Our global teams span across 15 offices serving clients across EMEA, North America and APAC. As an EPAM Systems, Inc. (NYSE: EPAM) company, a leading global provider of digital platform engineering and development services, we deliver advanced financial services solutions by empowering operational insights, driving innovation, and enabling more effective risk management in an increasingly data-centric world. Together with EPAM, we combine deep industry expertise with cutting-edge technology to help clients stay ahead in a rapidly evolving financial landscape, offering comprehensive solutions that drive business transformation and sustainable growth.

We are looking for a skilled Senior C# Developer with expertise in SQL and AWS to join our Data Modernization team in Belfast. As part of this exciting project, you will work on developing scalable data pipelines and backend services to enable our data lake platform, supporting critical datasets like reference data, counterparty data, and instrument data.

Responsibilities

  • Develop, enhance, and maintain backend services and APIs using C#, SQL, and AWS-native technologies
  • Work on ETL pipelines to integrate data from multiple sources into the AWS-based data lake
  • Leverage AWS services such as Lambda, Glue, S3, and RDS to build and deploy scalable solutions
  • Collaborate with business analysts to implement data workflows that align with financial services requirements
  • Optimize the performance of data processing systems for low-latency and efficient querying
  • Ensure cloud-based solutions are secure, reliable, and follow best practices

Requirements

  • Strong experience (3+ years) in C# programming, including API development
  • Proficiency in writing and optimizing SQL queries for complex datasets
  • Hands-on experience with AWS services (e.g., S3, Glue, Lambda, RDS or DynamoDB)
  • Strong understanding of data modeling principles and ETL processes
  • Excellent problem-solving skills and attention to detail within large-scale data systems

Nice to have

  • Experience working in financial services or familiarity with reference/counterparty/instrument data

We offer

  • Private Healthcare Package
  • Pension
  • Employee Assistance Programme
  • Enhanced Maternity policy
  • Group Life Protection Benefit
  • Give as You Earn
  • Cycle to Work Scheme
  • Employee Referral Bonus Scheme
  • Diversity Networks
  • Access to a range of skills and certifications
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