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Senior Software Engineer - (C# & SQL)

Javen Technologies, Inc
Fort Mill, SC Contractor
POSTED ON 6/7/2026
AVAILABLE BEFORE 7/6/2026

Job Title: Senior Software Engineer - (C# & SQL)

Duration: 6 Months - Can be extended

Location: Fort Mill, SC hybrid 3 days a week.

Job Description:

Title: Senior Software Engineer, Benchmark & Index Management

Key Functions:

As a Senior Software Engineer in Benchmark & Index Management the individual will be responsible for developing high quality, scalable software; designing and building robust, secure and efficiently systems in the delivery of key index systems required for strategic business growth. The candidate will be required to provide technical expertise, ownership and responsibility in the end-to-end software delivery lifecycle.

Experience & Skills:

  • Over 8 years proven experience as a Software Developer, architecting, developing and testing large-scale data intensive applications in an enterprise environment
  • Solid Prior experience of Database modelling / design, performance tuning, and optimization
  • Thorough knowledge of application programming for data intensive applications on SQL Server using Stored Procedures / tSQL
  • Proficiency in C# .NET, including designing and implementing RESTful APIs and microservices
  • UI development for business-critical applications in Angular, JavaScript, HTML/CSS and other modern UI technologies
  • Strong understanding of AWS cloud infrastructure and native services - AWS EC2, EKS, Lambda, SQS, SNS, AWS Glue etc
  • Experience with unit testing frameworks (e.g. MSTest, tSQLt) and Behaviour-Driven Development (BDD) tools (e.g. Cucumber, Mocha).
  • Proven ability to deliver high-quality, maintainable code and systems.
  • Extensive experience in software engineering principles, CI/CD tools and automation processes
  • Strong analytical skills and a problem-solving mentality
  • Some experience of Business and Technical Analysis, Quality Assurance, Delivery Management, and/or Emerging Technology and Governance
  • Experience working in an agile environment with a focus on collaboration, automation, and continuous improvement
  • Experience with Financial Markets in Equities and / or Fixed Income
  • Prior experience with Java (including SpringBoot) and / or Python for cross-platform integrations, greenfield and legacy systems is hugely advantageous
  • Familiarity with Sybase and PostgreSQL, including database management and optimization

Key Responsibilities:

  • Contributes and leads development through high-quality software design and architecture
  • Identifies, prioritises, and performs tasks in the software development lifecycle
  • Develops tools and applications by producing clean, efficiently and scalable code
  • Advocate for and implement engineering guidelines for excellence, including automation, code reviews, continuous integration/continuous delivery (CI/CD), and performance tuning
  • Ensures high quality, reliable products using unit, integration and BDD test suites
  • Collaborates closely with business and engineering partners to deliver products, services, improvements and solutions to meet customer needs and align with goals of the business and engineering lines
  • Communicates with clarity, precision, and influence, presenting complex information in a clear and concise format that is appropriate for the audience
  • Drive a culture of engineering excellence through mentorship, peer reviews, and promoting standard methodologies in software design and development
  • Continuously optimize systems for performance, scalability, and security in a fast-paced, production environment

Key Attributes:

  • Articulate, energetic person able to work alone or as part of a team
  • Excellent attention to detail but an ability to think laterally to solve business problems
  • Excellent interpersonal skills, both written and verbal, with the ability to work effectively with both technical and nontechnical collaborators
  • A passion for continuous learning and improving software engineering practices
  • Ability to learn quickly, work under pressure and to tight deadlines
  • Demonstrated ability to mentor and grow junior engineers
  • Creative, results driven, self-motivated and solutions oriented
  • Demonstrates a can-do attitude, exhibits self-confidence

Interview process:

  • First step: Codility test
  • 1st Round interview - 1hr - Technical (C# & SQL)
  • 2nd Round interview - 1hr - Technical / Problem Solving
  • 3rd & 4th Round interview - 1hr - Engineering Principal

Hourly Wage Estimation for Senior Software Engineer - (C# & SQL) in Fort Mill, SC
$58.00 to $69.00
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