Engineer C# (Full Stack)

TP ICAP Group Services Ltd; City Of London; On-site; GBP 90,000 - 120,000; Full time

Job summary

TP ICAP Group Services Ltd in London is seeking a skilled Full Stack C# Engineer to design, develop, and maintain scalable applications powering critical business functions. You will collaborate with product owners, architects, and engineers to implement microservices, APIs, and cloud-based solutions in a fast-paced, security-minded environment.

The role requires strong TypeScript/React frontend skills, solid C# back-end experience with SOLID principles, and a good grasp of RESTful APIs, CI/CD,

Qualifications

• Strong experience in full-stack development within enterprise environments.
• Proficiency in front-end technologies such as TypeScript and React.
• Strong back-end experience with the C# language and SOLID principles.
• 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.

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. We operate from more than 60 offices in 27 countries and are home to a stable of premium brands. TP ICAP is the largest interdealer broker in the world by revenue, the number‑one Energy & Commodities broker, the world’s leading provider of OTC data, and an award‑winning all‑to‑all trading platform.

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.

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.

Qualifications

Essential:

• Strong experience in full‑stack development within enterprise environments.
• Proficiency in front‑end technologies such as TypeScript and React.
• Strong back‑end experience with the C# language and SOLID principles.
• 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.
• Knowledge of GraphQL and WebSockets.
• Familiarity with observability tools such as OpenTelemetry and Grafana.
• Experience 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

Location

United Kingdom – 135 Bishopsgate, London

Inclusive Statement

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.