Senior Software Architect Developer

Salary: £68,000 - 108,000 per year

Requirements:

• We are looking for a degree in Computer Science or a related field, though this is preferred rather than essential.
• We require 10+ years of experience, including 3+ years in a senior architecture role.
• We need expertise in .NET, C#, and SQL Server; React.js and Python are desirable.
• We need deep domain knowledge of financial markets technology, such as FCM, clearing brokers, investment banks, exchanges, or vendors.
• We require proven experience designing systems for listed derivatives, securities, and/or FX processing.
• We need strong understanding of order processing, execution, risk management, margining, collateral, valuation, and give-up processing.
• We require strong knowledge of FIX protocol and CCP/vendor connectivity, such as ICE Clearing, Eurex, LME, or CME.
• We need extensive experience with event-driven architectures, Kafka and/or IBM MQ, and real-time data pipelines.
• We require knowledge of regulatory frameworks including EMIR, MiFID II, CASS, MAR, DORA, and CFTC.
• We need microservices, containerisation, and cloud architecture expertise, preferably Azure, for regulated workloads.
• We require excellent communication skills and the ability to present to both C-suite and technical stakeholders.

Responsibilities:

• We oversee architecture across trading, clearing, and post-trade systems, including integrations with CCPs, exchanges, data/platform vendors, and customers.
• We direct the modernisation of integration patterns and frameworks, reinforcing strong security principles and practices.
• We steer our data architecture strategy, including data quality, ownership, security, and accessibility.
• We chair architecture governance forums and drive timely, effective architectural decisions.
• We produce architecture documentation, architectural decision records, target-state blueprints, and audit-ready artefacts.
• We design resilient systems that meet RTO/RPO requirements and FCA operational resilience obligations.
• We ensure regulatory obligations are met by design, including FCA/ESMA EMIR, MiFID II, DORA, and other relevant global obligations.
• We contribute to change management and incident management frameworks.
• We mentor and upskill engineering teams on architecture principles, cloud-native patterns, and best practice.
• We drive adoption of DevSecOps and infrastructure-as-code, and support governance of AI usage to ensure secure, explainable, and compliant solutions.

Technologies:

• AI
• Architect
• Azure
• C#
• Cloud
• DevSecOps
• IBM
• Incident Management
• Support
• Kafka
• Python
• React
• SQL
• Security
• microservices
• ASP.NET

More:

We are hiring an Architect & Senior Developer for our Investor Services business in the City of London. This is a hybrid role offering a salary of up to UK 120,000 within the financial services sector. The role offers challenging work, short decision-making processes, and high personal responsibility, along with flexible working. We also offer continuous learning, inclusion networks, a structured mentoring programme, attractive remuneration with social benefits including subsidised health and fitness, enhanced maternity and paternity support, mental health training, and access to trained support colleagues.