Software Developer - Market Data - C#, SQL, Python

Luxoft; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

Luxoft is looking for a backend developer to design and maintain high-performance systems that process real-time financial market data. The role involves building APIs, data pipelines, and integrating new data feeds within a modern tech stack.

The ideal candidate will have strong experience in C#/.NET, SQL Server, and Python, with a solid understanding of software architecture and agile practices. Joining Luxoft offers a chance to work on impactful projects with a focus on automation and modern engineering.

Qualifications

• Strong hands-on experience with C#/.NET development.
• Solid SQL Server and database development skills.
• Good working knowledge of Python.
• Experience building APIs, backend services, and integrations.
• Understanding of software architecture and automated testing.
• Experience working in Agile environments.
• Strong analytical, problem-solving, and communication skills.

Responsibilities

• Design, develop, and maintain scalable, high-quality software solutions.
• Build backend services, APIs, and data processing components.
• Integrate and onboard new financial data feeds and platforms.
• Collaborate with business stakeholders to translate needs into technical solutions.
• Contribute to automation, testing, and CI/CD pipelines.
• Troubleshoot issues and provide production support.
• Participate in code reviews, documentation, and knowledge sharing.
• Work closely with global engineering and DevOps teams.

Skills

C#/.NET development

SQL Server

Python

API development

Software architecture

Automated testing

Agile environments

Analytical skills

Problem-solving

Communication skills

Tools

AWS

Angular

Terraform

Ansible

Java

Sybase

Job description

About the Role

You will play a key role in developing high-performance backend systems and integrations that process and distribute real-time financial market data. Working within a modern technology stack, you’ll help build scalable APIs, data pipelines, and automation frameworks, ensuring seamless onboarding of new data feeds and robust reporting capabilities.

• Design, develop, and maintain scalable, high-quality software solutions
• Build backend services, APIs, and data processing components
• Integrate and onboard new financial data feeds and platforms
• Collaborate with business stakeholders to translate needs into technical solutions
• Contribute to automation, testing, and CI/CD pipelines
• Troubleshoot issues and provide production support
• Participate in code reviews, documentation, and knowledge sharing
• Work closely with global engineering and DevOps teams

Required Skills & Experience

• Strong hands-on experience with C#/.NET development
• Solid SQL Server and database development skills
• Good working knowledge of Python
• Experience building APIs, backend services, and integrations
• Understanding of software architecture and automated testing
• Experience working in Agile environments
• Strong analytical, problem-solving, and communication skills

Nice to Have

• Exposure to AWS, Angular, Terraform, Ansible, Java, or Sybase
• Experience in financial services or market data environments

At Luxoft, you’ll work on globally impactful systems that connect financial markets in real time. You’ll be part of an innovative, collaborative team with a strong focus on automation, cloud technologies, and modern engineering practices, while gaining exposure to complex, large-scale data platforms.