All contracts
Mobile Architect
Hydrogen Group
Outside IR35
The advert says: outside of IR35
- Day rate
- £800–£900/day
- Location
- LondonHybrid
- Contract length
- 2 months
View original advert (opens in a new tab)Calculate take-home
Take-home a year, roughly
- Outside IR35
- £99,970
- Inside IR35
- £98,064
At £850 a day for 220 days, 2026/27 tax rates.
About this contract
Architect a large mobile platform for a retail bank: reconstruct and assess existing iOS and Android systems, define quality attributes, and guide modernisation using Swift, Kotlin, and backend integration patterns. Eight weeks with likely extension, hybrid in London.
Key details
- Security clearance
- None stated
- Company
- Retail bank
- Sector
- Financial services
- Posted
- 25 days ago
Skills
- iOS: see other contracts
- Swift: see other contracts
- Android: see other contracts
- Kotlin: see other contracts
- REST APIs: see other contracts
- GraphQL: see other contracts
- gRPC: see other contracts
- OAuth 2.0 / OIDC: see other contracts
- Solution architecture: see other contracts
- Open banking: see other contracts
Where it's advertised
Apply through the original advert. IR35 status is as stated there: always confirm it with the hirer.
- View advert from Hydrogen Group (opens in a new tab)Hydrogen GroupReed · Posted 25 days ago
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