Lead Python Developer - £90,000 - DV Cleared
£80k - £90k per annumFull-time, Internship
Role: Lead Python Developer
Location: Cheltenham or London
Salary: £80,000 - £90,000
Clearance Required: DV
We're looking for an experienced Lead Python Developer to join a high-impact programme within the UK Defence and National Security sector. This is a unique opportunity to play a key role in delivering secure, mission-critical software systems that directly support national safety and strategic defence operations.
As a technical leader, you'll drive the design and development of advanced Python-based systems-often in highly secure environments guiding cross-functional teams, ensure engineering excellence, and oversee the full software lifecycle, from concept and prototyping to secure deployment and ongoing support.
Key Responsibilities:
Leading the design and development of Python-based software systems in a high-security setting
Working closely with data scientists, analysts, and engineering teams to deliver scalable, reliable solutions
Architecting secure applications and services in line with defence-grade standards
Mentoring developers and enforcing best practices across code, testing, and deployment
Integrating machine learning models and real-time data pipelines where applicable
Collaborating with stakeholders to gather requirements and showcase technical progress
Essential Skills & Experience:
Proven expertise in Python development in production environments
Experience in secure or regulated industries (Defence, Government, Aerospace, etc.)
Solid grasp of CI/CD, containerisation (Docker/Kubernetes), and cloud or on-premise deployments
Ability to lead technical discussions, reviews, and deliverables across cross-functional teams
Familiarity with Agile/Scrum delivery
Active DV Clearance
If you are interested in the above position, please contact me, James Chapman on View phone number on ioassociates.co.uk or drop me an email at
Vacancy posted a month ago
Similar jobs that could be interesting for youBased on the Lead Python Developer - £90,000 - DV Cleared in Cheltenham, Gloucestershire vacancy
£550 per day
Role: Lead Python Developer Rate: £550/day - Outside IR35 Location: Cheltenham Duration: Initial 6-12 months Clearance Required: DV We're looking for an experienced Lead Python Developer to join a high-impact programme within the UK Defence and National Security sector...Developed VettingContract work£80k - £90k per annum
...Engineer Location: Cheltenham Salary: £90,000 Clearance Required: eDV One of... ...team, collaborating closely with software developers, data scientists, and subject matter... ...related field Solid programming skills in Python and proficiency with libraries such as TensorFlow...SuggestedPermanent employment£45k - £75k per annum
...within National Security, and have strong knowledge of Java, C++ or Python. You will need to be prepared to come into the office 4 days... ...Gift Vouchers as well! You will be required to hold a minimum of DV Clearance. If you do not hold an active DV clearance, please familiarise...Developed VettingPermanent employmentContract workWork at officeHoliday workFlexible hours£40k - £55k per annum
...You will need experience with OCI (SC Cleared role) or OCI, AWS or Azure (DV Cleared role). Working Patterns –... ...design to operations, prototyping, developing and testing. Communicate complex... ...technical audiences within your client. Lead vendor/product assessment and...Developed VettingPermanent employmentContract workHoliday workFlexible hours3 days week- DV or eDV Cleared Vulnerability Researcher Contract and Permanent options available Hybrid Working - Cheltenham Looking for candidates with... ...checks Investigating operating systems / devices / servers Python or C / C++ experience will be hugley desirable Must have active...Developed VettingPermanent employmentContract workHybrid work
£45k - £60k per annum
...to their clients! You must be comfortable leading client engagements, managing teams and account... ..., ideally within a consulting role Python experience is essential Machine learning... ...You will be required to hold a minimum of DV clearance. If you do not hold an active DV...Developed VettingPermanent employmentContract workHoliday workFlexible hours2 days week1 day week£45k - £60k per annum
...frameworks, and query engines Work with developers to design software applications Scale... ...within a data role in National Security Python Ability to create structure data from unstructured... ...You will be required to hold a minimum of DV clearance. If you do not hold an active DV...Developed VettingPermanent employmentContract workHoliday workFlexible hours3 days week- ...New Permanent Opportunity for an Enhanced DV Cleared Data Scientist / AI Engineer in... ...enhanced DV (West) Clearance ~ Junior to Lead levels available ~£45k to £95k DoE plus... ...excellent career progression opportunities to develop your skillset and personal profile in an...Developed VettingPermanent employmentFull timeContract workPart timeCasual workCheltenham, Gloucestershire5 days ago
- ...experience working within National Security, either in Java, C++ or Python. This is a hybrid role with 3-4 days per week on site. Key... ...Vouchers as well! You will be required to hold a minimum of DV clearance. If you do not hold an active DV clearance, please familiarise...Developed VettingPermanent employmentContract workHybrid work3 days week
£535 - £625 per day
...Introduction Our client is on the lookout for a DV cleared Solutions Architect with experience in Azure and AWS ideally. Our client is a medium sized consultancy looking for Cloud Specialists working on National Security projects. You will need to have worked in the...Developed VettingPermanent employmentFull timeContract work£45k - £85k per annum
...required. Key responsibilities Design, develop, and deploy robust web applications for... ...side logic using languages such as Node.js, Python, or Java. Experience with both SQL and... ...You will be required to hold a minimum of DV Clearance. If you do not hold an active SC...Developed VettingPermanent employmentContract workHybrid workHoliday workFlexible hours2 days week3 days week£40k - £75k per annum
...of Love to Shop Gift Vouchers & gift your friend £100 in Love to Shop Gift Vouchers as well! You will be required to hold a minimum of DV or Willing to Undergo. If you do not hold an active DV or Willing to Undergo please familiarise yourself with the vetting process before...Developed VettingPermanent employmentContract workFor subcontractor£45k - £75k per annum
...onsite per week. Key responsibilities Supporting Technical Leads to gather the requirements and design suitable test solutions.... ...Gift Vouchers as well! You will be required to hold a minimum of DV clearance. If you do not hold an active DV clearance, please familiarise...Developed VettingPermanent employmentContract workHybrid workHoliday workFlexible hours3 days week£44k - £55k per annum
...clients in the Defence and National Security Sector, guiding and leading cross-functional agile development teams through the software lifecycle... ...Vouchers as well! You will be required to hold a minimum of DV Clearance. If you do not hold an active DV clearance, please familiarise...Developed VettingPermanent employmentContract workTemporary workHybrid workHoliday workFlexible hours2 days week- £50k - £67k per annumEstimated...Job summary We are excited to be partnered with one of the UK's leading aerospace companies in Cheltenham, who are searching for a Lead ERP Developer to join their growing team. Key skills required for this role ERP, IFS, IFS Cloud, SQL, Business Intelligence...Permanent employmentHoliday workFlexible hours
£40k - £70k per annum
...seeking an experienced professional to lead the development of high-quality,... ...nature of the work they can take SC and DV candidates in Bristol but only DV cleared candidates in Cheltenham. Working... ...Collaborating with clients to develop detailed and high quality cases through...Developed VettingPermanent employmentContract workLong term contractWork from homeHoliday work2 days week3 days week1 day week£80k per annum
...You will carry out data analysis tasks to develop Ripjar’s understanding of relevant data and... ...one programming language, preferably Python. You will have a good understanding of machine... ...it here: ~ Base Salary of up to £80,000 per year DOE ~25 days annual leave +...Full timeWork at officeRemote work£65k - £85k per annum
...document business requirements to ensure a clear understanding of their needs and... ...practices and processes, ensuring products developed meet the customer requirements. Conduct... ...You will be required to hold a minimum of DV Clearance. If you do not hold an active DV...Developed VettingPermanent employmentContract workHybrid workHoliday workFlexible hours2 days week3 days week£50k - £80k per annum
...Introduction Our client is on the lookout for a DV cleared Solutions Architect with experience in Azure and AWS ideally. Our client are a medium sized consultancy looking for Cloud Specialists working on National Security projects. You will need to have worked in the...Developed VettingPermanent employmentFull timeContract workLocal areaHoliday workFlexible hours£550 per day
...months Clearance Required: eDV A leading client within the UK defence sector is currently... ...a multidisciplinary team focused on developing and deploying machine learning models... ...related field Solid programming skills in Python and proficiency with libraries such as TensorFlow...Contract work- £55k - £73k per annumEstimated...also know how to explain things clearly and concisely. You can educate... ...What might you be doing? Leading client projects and providing... ...implementing their mitigations). Developing scalable models and algorithms... ...relevant technologies (e.g., Python applied to data science)....Full timeWork at officeHybrid work
£80k per annum
...Senior Software Engineer to design, develop, and maintain innovative... ...backend development skills in Java, Python, or Golang. Desirable Skills... ...and clearance advancement to DV. Competitive salary and a... ...required. Salary: ~ Up to £80,000 per annum (dependent on...Permanent employment1 day week- £37k - £50k per annumEstimated...public sector clients and project teams to develop and implement data engineering pipelines... ...technologies (e.g. Spark, cloud-based ETL services, Python, Kafka, SQL, Airflow) You have... ...interpersonal skills You are security cleared or capable and willing to undergo security...Full timeWork at officeHybrid work
£42k - £64k per annum
...10% of the Time Salary: £42,000 - £64,000 Define Possible at... ...transformation programme. "My purpose; to lead a team of engineers with the... .../opportunities and proactively developing plans to mitigate and realise... ...managing and patching Java and Python applications Experience with...Relocation packageFlexible hours- £41k - £55k per annumEstimated...Job summary UKIC DV/eDV req'd Key skills required for this role DevOps Engineer - UKIC Important DevOps Engineer - UKIC... ...and workflows Experience with scripting languages such as Python, Bash, or similar Excellent problem-solving and troubleshooting...Permanent employment
- ...Are you a passionate and skilled developer eager to push the boundaries of Software-as-a-Service (SaaS) innovation? We're inviting talented... ...complex and intuitive user interfaces using React or ExtJS. Python: Experience with Python for back-end development, including...
£75k - £90k per annum
...required for this role Senior Software Developer - UKIC DV required Important Senior... ...Job description Our client, a leading organisation in the Defence & Security sector... ...solutions using languages such as C++, Python, and Linux Implementing containerisation...Permanent employmentHoliday work- £40k - £54k per annumEstimated...Job summary Software Developer - UKIC DV req'd Key skills required for this role Software Developer - UKIC DV req'd Important Software... ...experience in some/all of the following: C++ Helm Python Linux Containerisation Desirable experience...Permanent employment
- ...Job summary UKIC DV Required for this role, 100% onsite Key skills required for this role Data Engineer / Back End Developer - UKIC DV Required Important Data Engineer / Back... ...team Liaising with the engineering lead Helping the scrum team decompose user...Contract work
- ...Type: Permanent Location: Cheltenham/Remote Clearance: SC/DV Are you an offensive security specialist who is excited about... ...services such as Azure or AWS • Capability to script or code in Bash, Python etc • Appreciation for Cyber Security standards such as ISO27001...Permanent employmentContract workPart timeCasual workWork at officeRemote workCheltenham, Gloucestershire9 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Lead Python Developer - £90,000 - DV Cleared. Be the first to apply!
Related searches
- lead software developer Cheltenham, Gloucestershire
- lead developer Cheltenham, Gloucestershire
- lead software engineer Cheltenham, Gloucestershire
- python developer electronic trading Cheltenham, Gloucestershire
- graduate junior developer python linux c# java Cheltenham, Gloucestershire
- python developer Cheltenham, Gloucestershire
- python Cheltenham, Gloucestershire
- business analyst power bi sql python fintech Cheltenham, Gloucestershire
- python data scientist Cheltenham, Gloucestershire
- python django developer 6 month contract Cheltenham, Gloucestershire