Engineer C# (Full Stack)

ICAP; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

TP ICAP is seeking a highly skilled Full Stack C# Engineer in London to design and deliver scalable applications powering critical business functions. The role demands strong frontend and backend capabilities, collaboration with product owners and architects, and adherence to security, performance and maintainability best practices.

You will work within Agile delivery teams, contribute to CI/CD pipelines, and mentor junior engineers while staying current with emerging technologies in a dynamic

Qualifications

• Strong experience in full-stack development within enterprise environments.
• Proficiency in front-end technologies: TypeScript, React (or similar frameworks).
• Strong back-end experience with C# language.
• SOLID principle.
• Good understanding of RESTful APIs.
• Experience with cloud platforms (AWS preferred) and containerization (Docker/Kubernetes).
• Knowledge of CI/CD tools and practices (e.g., GitLab).
• Familiarity with automated testing frameworks and maintaining code quality.
• Strong database skills (SQL).
• Excellent problem-solving, communication, and collaboration skills.

Responsibilities

• Design, develop, and maintain scalable full-stack applications using modern frameworks and cloud technologies.
• Collaborate with cross-functional teams to deliver high-quality software aligned with business objectives.
• Implement and maintain microservices architecture and API integrations.
• Ensure adherence to SDLC processes, including CI/CD pipelines and automated testing.
• Optimize application performance and ensure security best practices.
• Participate in architectural discussions and contribute to evolving systems toward target state architecture.
• Troubleshoot and resolve complex technical issues in production environments.
• Mentor junior engineers and promote engineering best practices.
• Work within Agile delivery teams, contributing to planning, estimation, and retrospectives.
• Stay current with emerging technologies and incorporate best practices into development.

Skills

Full-stack development

TypeScript/React

C#

SOLID principles

REST APIs

AWS

Docker/Kubernetes

CI/CD (GitLab)

Automated testing

SQL

Communication skills

Tools

Docker

Kubernetes

GitLab

Job description

Group Overview

The TP ICAP Group is a world leading provider of market infrastructure.

Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.

Through our people and technology, we connect clients to superior liquidity and data solutions.

The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award winning all-to-all trading platform.

Founded in London in 1866, the Group operates from more than 60 offices in 27 countries. We are 5,200 people strong. We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.

Role Overview

As a Full Stack C# Engineer, you will play a key role in designing and delivering high-quality, scalable applications that power critical business functions. This position requires strong technical expertise across front-end and back-end technologies, a collaborative mindset, and the ability to influence architectural decisions. You will work closely with product owners, architects, and other engineers to build innovative solutions that meet business needs while adhering to best practices in security, performance, and maintainability.

Role Responsibilities

• Design, develop, and maintain scalable full-stack applications using modern frameworks and cloud technologies.

• Collaborate with cross-functional teams to deliver high-quality software aligned with business objectives.

• Implement and maintain microservices architecture and API integrations.

• Ensure adherence to SDLC processes, including CI/CD pipelines and automated testing.

• Optimize application performance and ensure security best practices.

• Participate in architectural discussions and contribute to evolving systems toward target state architecture.

• Troubleshoot and resolve complex technical issues in production environments.

• Mentor junior engineers and promote engineering best practices.

• Work within Agile delivery teams, contributing to planning, estimation, and retrospectives.

• Stay current with emerging technologies and incorporate best practices into development.

Experience / Competences

Essential

• Strong experience in full-stack development within enterprise environments.

• Proficiency in front-end technologies: TypeScript, React (or similar frameworks).

• Strong back-end experience with C# language.

• SOLID principle.

• Good understanding of RESTful APIs.

• Experience with cloud platforms (AWS preferred) and containerization (Docker/Kubernetes).

• Knowledge of CI/CD tools and practices (e.g., GitLab).

• Familiarity with automated testing frameworks and maintaining code quality.

• Strong database skills (SQL).

• Excellent problem-solving, communication, and collaboration skills.

Desired

• Experience with microservices and event-driven architectures.

• Experience with AI assisted design and coding.

• GraphQL, and WebSockets.

• Knowledge of observability tools (e.g., OpenTelemetry, Grafana).

• Familiarity with Infrastructure as Code (Terraform).

• Understanding of financial markets or trading systems.

• Contribution to open-source projects.

• Awareness of security principles and DevSecOps practices.

Role Band & Level:

• Professional/5

#LI-Hybrid #LI-ASO

Not The Perfect Fit?

Concerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity and cultivating a work environment where everyone can flourish, regardless of your personal or professional background. If you are enthusiastic about this role but find that your experience doesn’t align perfectly with every aspect of the job description, we strongly encourage you to apply. You may be the ideal candidate for this position or another opportunity within our organisation. Our dedicated Talent Acquisition team is here to assist you in recognising how your unique skills and abilities can be a valuable contribution. Don’t hesitate to take the leap and explore the possibilities. Your potential is what truly matters to us.

Company Statement

We know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That’s why we’re building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute. TP ICAP Accord - our Employee Network - is a central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement.

Location

UK - 135 Bishopsgate - London