IR35.org
All contracts

Senior Developer - Central Government

Spinwell Global

Inside IR35

The advert says: IR35: Inside

Day rate
£650–£675/day
Location
LondonHybrid
Contract length
6 months
View original advert (opens in a new tab)Calculate take-home

Take-home a year, roughly

Inside IR35
£79,104
Outside IR35
£83,840

At £663 a day for 220 days, 2026/27 tax rates.

About this contract

Senior developer role within central government, working on multi-disciplinary teams. Requires active or lapsed security clearance. Six-month contract, hybrid working from London office with flexibility for team meetings. Skills in development and public sector experience valued.

Key details

Security clearance
SC
Company
Central Government
Sector
Public sector
Posted
11 days ago

Where it's advertised

Apply through the original advert. IR35 status is as stated there: always confirm it with the hirer.

Similar roles

Disclaimer: calculations are estimates only and not financial or tax advice. See the terms.

Copyright © 2026 IR35.org. All rights reserved.