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From the employer's careers site First seen 1 Nov 2026

Senior Software Engineer

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

This Senior Software Engineer role involves designing and developing Real-Time SDK features for customers to contribute or consume real-time financial content.

You will work with local/remote development teams to define software requirements, do technical design, and implement software solutions.

Responsibilities:

  • Develop high-quality software and associated documentation from specified requirements
  • Produce, test, and debug code based on design of Real-Time library features in C# (.NET SDK)
  • Fix issues raised by customers
  • Provide time and complexity estimates for given software feature implementation
  • Build unit tests for your code for best coverage and review QA test plans which exercise the changes
  • Identify, prioritize, and complete tasks in a timely manner
  • Develop and maintain tools and applications by producing clean, efficient code that follows open sourcing standards
  • Automate tasks through appropriate tools and scripting
  • Review and debug code
  • Perform validation and verification testing
  • Collaborate with internal teams and vendors to fix and improve products
  • Collaborate with support to isolate issues in product and make fixes
  • Document development phases and monitor systems
  • Ensure software is up to date with the latest technologies and standards
  • Deploy containerized products into Azure or AWS or other cloud environment

Requirements:

  • Proven experience as a Senior Software Engineer with extensive experience in software development
  • Strong knowledge of selected programming languages: C#
  • Familiarity with large scale deployments: Kubernetes, Docker, Terraform
  • Experience with low-level networking communication
  • Experience with socket programming
  • Experience in working with TCP/IP and UDP multicast network protocols
  • Knowledge of GitLab or GitHub or other source control system
  • Knowledge of Jira
  • Knowledge of Agile methodology
  • Analytical mind with problem-solving aptitude
  • Bachelor’s Degree in Computer Science, Computer Engineering or an equivalent. MS in Computer Science/related degree is a plus

Nice to have:

  • Knowledge in other programming languages like Java, Python, Ruby, R, Go, Node.js, and Perl
  • Exposure to AI to optimize development tasks
  • Familiarity with various operating systems (Linux, Windows) and cross-platform development
  • Experience using system monitoring tools (e.g., Wireshark, tcpdump) and automated testing frameworks (Robot framework)
  • Excellent organizational skills
  • Ability to work independently

Benefits:

  • 25 days’ holiday per year
  • 1 additional day off for your Birthday
  • Annual wellness allowance
  • Share Purchase Plan
  • Medical Health Insurance
  • Medical Subscription (preventive medical services)
  • Life insurance
  • Pillar 3 Private Pension
  • Meal Vouchers
  • Flexible Benefits
  • Bookster
  • Volunteering Events
  • All LSEG colleagues with at least one year’s continuous service, who become parents, are now entitled to at least 26 weeks’ paid leave, and the option to return to work on a phased basis

Skills

Required

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/Bucharest---Iuliu-Maniu-Boulevard/Senior-Software-Developer--DotNet-_R0119140

Apply on London Stock Exchange Group (LSEG)