Bonhill Partners
ION Developer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for an ION Developer with a 6-month contract, focusing on upgrades and enhancements for ION Repo components. Key skills include SQL, Unix/Linux, and programming in Java or Python, with experience in front-office workflows essential.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
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💰 - Day rate
Unknown
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🗓️ - Date
June 9, 2026
🕒 - Duration
More than 6 months
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🏝️ - Location
Unknown
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
London Area, United Kingdom
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🧠 - Skills detailed
#C# #Linux #UAT (User Acceptance Testing) #Java #Python #SQL (Structured Query Language) #Unix #XML (eXtensible Markup Language) #Documentation #Batch #Regression #Programming #Scripting #Business Analysis
Role description
Client: Investment Bank
Role: ION Developer
Contract length: 6 months
Requirements:
• Delivering upgrades and enhancements across ION Repo components.
• Analysing existing ION configurations, workflows, interfaces, and downstream dependencies.
• Supporting changes across trade capture, lifecycle events, confirmations, settlement, P&L, risk, and reporting flows.
• Working with business analysts and repo trading users to understand functional requirements.
• Configuring and customising ION workflows, rules, static data, and integrations.
• Developing, testing, and deploying changes in line with release management standards.
• Investigating defects across UAT, regression testing, production support, and go-live phases.
• Liaising with ION vendor teams where required.
• Producing technical documentation and handover materials for support teams.
• Front-office and middle-office workflows.
• SQL, Unix/Linux, scripting, and log analysis.
• Interfaces between ION and downstream systems such as settlement, risk, finance, confirmations, or reporting platforms.
• Java, C#, Python, or similar programming languages, depending on the client stack.
• XML, FIX, MQ, APIs, batch processes, and interface troubleshooting.
Client: Investment Bank
Role: ION Developer
Contract length: 6 months
Requirements:
• Delivering upgrades and enhancements across ION Repo components.
• Analysing existing ION configurations, workflows, interfaces, and downstream dependencies.
• Supporting changes across trade capture, lifecycle events, confirmations, settlement, P&L, risk, and reporting flows.
• Working with business analysts and repo trading users to understand functional requirements.
• Configuring and customising ION workflows, rules, static data, and integrations.
• Developing, testing, and deploying changes in line with release management standards.
• Investigating defects across UAT, regression testing, production support, and go-live phases.
• Liaising with ION vendor teams where required.
• Producing technical documentation and handover materials for support teams.
• Front-office and middle-office workflows.
• SQL, Unix/Linux, scripting, and log analysis.
• Interfaces between ION and downstream systems such as settlement, risk, finance, confirmations, or reporting platforms.
• Java, C#, Python, or similar programming languages, depending on the client stack.
• XML, FIX, MQ, APIs, batch processes, and interface troubleshooting.
