iO Associates
Python Developer (SC Cleared/Lapsed and Central Gov)

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SC Cleared Python Developer
Remote (London once per every 4-6 weeks)
SC Clearable, Lapsed or Active a HUGE Bonus
£400 to £500 per day DOE Outside IR35
Initial 6 Months
ASAP Start
Are you an experienced Python Developer with a security clearance? Our Client, a leading organisation operating within the defence and security sector, is looking for a talented professional to join their team on a contract basis. This is an exciting opportunity to work on high-profile projects that have a significant impact, offering a chance to utilise your skills in a fast-paced, innovative environment.
Role Overview
As part of their strategic growth, Our Client is seeking an SC Cleared Python Developer to play a crucial role in delivering critical solutions. You will be instrumental in advancing cutting-edge systems that support national security initiatives. This role offers a unique chance to contribute to vital projects while developing your expertise within a renowned organisation committed to excellence and innovation.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Key Responsibilities
- Develop, test, and maintain Python-based applications aligned with project requirements
- Collaborate with cross-functional teams to deliver robust solutions
- Analyse system specifications and translate them into high-quality code
- Troubleshoot, debug, and optimise existing applications for improved performance
- Ensure all work complies with security protocols and industry standards
- Document development processes and contribute to technical reports
Essential Skills & Experience
- Proven experience developing with Python in a professional setting
- Hold an active security clearance at SC level or above
- Strong understanding of software development lifecycle and best practices
- Ability to interpret technical specifications and translate them into functional code
- Excellent problem-solving skills and attention to detail
- Experience working within the defence, security, or related sectors is highly desirable


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Desirable Skills & Experience
- Familiarity with secure coding practices and compliance standards
- Knowledge of other programming languages or frameworks such as Java or REST APIs
- Experience working in agile development environments
- Strong communication skills and the ability to work effectively within multidisciplinary teams
Application Process
If you meet the above criteria and are eager to contribute to significant projects within a reputable organisation, we encourage you to submit your CV. This role provides an excellent platform for professionals looking to make an impact while working within a supportive and innovative environment.
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