Freelance Data Engineer - SQL, C#, React, and Data Performance Optimization

Company Description

ThreatXIntel is a startup cyber security company dedicated to protecting businesses and organizations of all sizes from evolving cyber threats. Offering services such as cloud security, web and mobile security testing, and DevSecOps, the company specializes in affordable, customized solutions tailored to client needs. Through continuous monitoring and vulnerability assessments, ThreatXIntel ensures that digital environments remain secure. The company’s mission is to provide businesses with reliable cyber security services, enabling them to focus on growth with peace of mind. ThreatXIntel embraces a proactive approach to safeguarding digital assets.

Role Description

Freelance Data Engineer

Key Responsibilities

• Hands-on development

  for data pipelines and database performance tasks, ensuring the efficient handling of data-intensive applications.
• Collaborate with cross-functional teams to handle

  stored procedures

  ,

  production issues

  , and provide effective solutions.

• Write and optimize SQL queries

  to support data performance tuning and troubleshooting.
• Work with

  C# and React

  to develop full-stack solutions with a focus on backend data tasks.
• Perform

  data analysis

  and leverage your background in

  mathematics

  ,

  statistics

  , or

  data analytics

  to improve the data pipeline and database performance.

• Write unit tests

  using

  NUnit

  to ensure the reliability and accuracy of your code.
• Assist in mentoring

  junior developers

  (future focus, not immediate responsibility).

Required Technical Skills

• Strong experience in

  SQL

  and

  SQL Server

  , with a deep understanding of

  data performance tuning

  and

  optimization

  .
• Experience as a

  data-focused developer

  , with a strong emphasis on backend development.
• Proficiency in

  C#

  and

  React

  (Full Stack).
• Experience in handling

  stored procedures

  ,

  production issues

  , and

  solutions across teams

  .
• Background in

  data analytics

  ,

  mathematics

  , or

  statistics

  is a

  strong plus

  .
• Experience in writing and running

  unit tests

  using

  NUnit

  .