https://jobs.co.uk/job/senior-ion-developer-pontoon--383d5ddc-90f5-4b8c-a179-e807b9b642c5 RSS feed for Senior Ion Developer at Pontoon. en-gb Thu, 13 Aug 2026 17:47:35 GMT https://jobs.co.uk/job/senior-ion-developer-pontoon--383d5ddc-90f5-4b8c-a179-e807b9b642c5 https://jobs.co.uk/job/senior-ion-developer-pontoon--383d5ddc-90f5-4b8c-a179-e807b9b642c5 Wed, 12 Aug 2026 23:00:00 GMT Location: London | Salary: £800 - £950/day | Type: Contract | **Senior Ion Developer** (Contract) Duration: 12 Months (Possibility for extension) Location: London/Hybrid (2 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile As a Senior Ion Technical Engineer, you will play a pivotal role in designing and implementing high-quality software solutions that meet the dynamic needs of our business. You will collaborate closely with product owners, UX designers, and various business partners to create and maintain microservices that drive our Rates trading platform. Key Responsibilities: Collaborate with product owners and business partners to understand requirements and outline proposed solutions. Design, implement, test, and maintain microservices within our technology stack. Participate in design reviews, providing critical input to enhance design recommendations. Ensure compliance with architectural standards throughout all phases of development. Conduct code reviews to ensure alignment with the pre-defined Definition of Done and design specifications. Troubleshoot application code-related issues and implement effective... Contract