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Software Engineer

Cititec· London Area, United Kingdom
Posted 12 Jun 2026Frontend Engineer
CititecIT consultancyfounded 2016
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A leading global energy trading organisation is undergoing a major technology transformation and is seeking a Senior Software Engineer to help modernise and digitalise its core trading technology estate.

This is an opportunity to join a high-profile engineering programme focused on rebuilding legacy platforms, adopting modern cloud-native technologies, and leveraging AI-driven tools to improve engineering productivity and operational efficiency.

What You'll Be Doing

Assess and modernise existing trading technology platforms.

Design and build scalable cloud-native applications and services.

Develop APIs, backend systems, and distributed applications.

Contribute to future-state architecture and technology roadmaps.

Implement AI-driven solutions and automation across engineering workflows.

Collaborate with engineering, platform, and product teams to enhance the overall technology ecosystem.

Drive best practices in software engineering, cloud architecture, and platform reliability.

Support the migration of legacy systems to modern architectures and cloud environments.

Skills & Experience

Strong software engineering background with experience delivering enterprise-scale solutions.

Commercial experience developing applications using C#/.NET and/or Python.

Hands-on experience with AWS and cloud-native engineering practices.

Experience with Docker, Kubernetes, and modern software architectures.

Strong backend development and API design skills.

Proven experience modernising legacy applications and platforms.

Understanding of distributed systems, microservices, and event-driven architectures.

Exposure to AI/LLM technologies and engineering automation is advantageous.

Strong problem-solving skills and the ability to work effectively within cross-functional teams.

Desirable

Experience within energy trading, commodities trading, financial services, or other highly regulated environments.

Knowledge of CI/CD, Infrastructure as Code, and DevOps practices.

Experience designing highly available, resilient, and secure cloud-based systems.

Why Join?

Play a key role in a major technology transformation programme.

Work with modern cloud, container, and AI technologies.

Influence the future architecture of a global trading platform.

Collaborate with experienced engineers in a fast-paced, innovative environment.