C# Developer x 2

Summary: The role of C# Developer involves joining the Data Modernization team in Belfast, focusing on designing and delivering scalable backend services and data pipelines for an AWS-based data lake. Candidates should possess strong skills in C#, SQL, and AWS technologies. The position is hybrid, requiring three days a week on-site work, and is expected to last for at least six months. The start date is as soon as possible.

Key Responsibilities:

• Design, develop, and maintain backend services and APIs using C#, SQL, and AWS-native technologies.
• Build and enhance ETL pipelines to ingest and transform data from multiple sources into the AWS data lake.
• Work with AWS services such as Lambda, Glue, S3, and RDS to deliver secure, scalable solutions.
• Partner with business analysts to implement workflows aligned with financial services requirements.

Key Skills:

• Proven C# development experience, including API design and implementation.
• Strong skills in writing and optimizing SQL queries for large and complex datasets.
• Hands-on AWS experience (S3, Glue, Lambda, RDS or DynamoDB).
• Solid understanding of data modeling and ETL concepts.
• (Bonus) Experience in financial services or with reference, counterparty, or instrument data.

Salary (Rate): undetermined

City: Belfast

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

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Position: C# Developer
Location: Belfast / 3 days a week on site
Duration: 6 Months +
Start date: Asap

We're seeking skilled C# Developers with strong SQL and AWS expertise to join our Data Modernization team in Belfast. You'll help design and deliver scalable backend services and data pipelines to power our AWS-based data lake, enabling critical datasets such as reference data, counterparty data, and instrument data.

What You'll Do

• Design, develop, and maintain backend services and APIs using C#, SQL, and AWS-native technologies.
• Build and enhance ETL pipelines to ingest and transform data from multiple sources into our AWS data lake.
• Work with AWS services such as Lambda, Glue, S3, and RDS to deliver secure, scalable solutions.
• Partner with business analysts to implement workflows aligned with financial services requirements.

What You Bring

• Proven C# development experience, including API design and implementation.
• Strong skills in writing and optimizing SQL queries for large and complex datasets.
• Hands-on AWS experience (S3, Glue, Lambda, RDS or DynamoDB).
• Solid understanding of data modeling and ETL concepts.
• (Bonus) Experience in financial services or with reference, counterparty, or instrument data.

Please get in touch with me if you're interested if not can you refer?

Reference
CR/128220_1755079586

Date
13 Aug 2025

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