Senior Software Engineer - Integrations

JR United Kingdom; London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A leading global commodities firm is seeking a Senior Software Engineer to join their growing Engineering team in London. This role focuses on developing and maintaining integration solutions within the technological ecosystem, requiring deep expertise in backend development and cloud platforms. The ideal candidate will have a robust history of designing high-performance systems and will contribute actively to an agile development environment.

Qualifications

• 8+ years of backend development experience with Java.
• Proven ability to design and build high-performance integration solutions.
• Experience with cloud platforms (AWS, Azure, GCP).

Responsibilities

• Design and implement scalable integration architectures.
• Develop secure, high-performance RESTful APIs.
• Monitor and optimize integration layers for high throughput.

Skills

Backend Development

Integration Solutions

Java

Cloud Platforms

CI/CD

Docker

Kubernetes

Job description

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Senior Software Engineer - Integrations, london

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Client:

Cititec

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

31.05.2025

Expiry Date:

15.07.2025

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Job Description:

Cititec Talent is working with a leading global commodities firm to find a Senior Software Engineer for their expanding Engineering team. This role will focus on building and maintaining integrations within the company’s technology ecosystem. You will be responsible for designing, developing, and supporting robust integration solutions.

Key Responsibilities:

• Design and implement scalable integration architectures spanning trading platforms, internal systems, and external data sources.
• Extend and configure middleware platforms to handle complex messaging workflows, data transformation, and routing logic.
• Develop secure, high-performance RESTful APIs in collaboration with cross-functional development teams.
• Monitor and optimise integration layers to ensure high throughput and low latency.
• Lead testing activities, including unit, integration, and performance testing of components.
• Maintain comprehensive technical documentation, such as architecture diagrams, API specifications, and operational runbooks.
• Troubleshoot and resolve critical issues across distributed environments. Implement robust error handling, retry strategies, and circuit breaker patterns to maintain system reliability and safeguard data integrity.
• Actively contribute to agile development processes, participating in sprint planning and team ceremonies.

Requirements:

• 8+ years of backend development experience with Java, ideally within commodities trading or financial services.
• Proven ability to design and build high-performance, low-latency integration solutions.
• Experience with cloud platforms (AWS, Azure, GCP), including managed Kafka, serverless functions, and API gateways.
• Proficient in CI/CD, Docker, and Kubernetes.