Senior Python Developer jobs in Welwyn Garden City

You will be responsible forProvide product and engineering teams with direction and guidance on all security matters.

You will needExperience across multiple sectors and diverse roles in engineering and security, with demonstrable accomplishments collaborating with leadership on security programmes.

You will be the face of security group for them. Everything you do is in the context of the product, roadmap, its risk acceptance level, the technology stack, and its architecture. You build a comprehensive understanding of the threat landscape and its potential risks to the business.

A global healthcare leader is seeking a Senior Statistical Methodology Data Scientist in Welwyn. This role is integral to innovating clinical trials by applying fit-for-purpose statistical methodologies. The ideal candidate will hold a Master's or PhD in a relevant field and have extensive experience in data science, statistics, and advanced analytical techniques, including proficiency in R or...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them...

A leading pharmaceutical company in the UK seeks a Lead Clinical Director to shape and execute the Clinical Development strategy for late-stage therapies. Check out the role overview below If you are confident you have got the right skills and experience, apply today. The role involves collaborating with internal teams, ensuring alignment with strategic objectives, and mentoring clinical...

You will be responsible for Developing, maintaining, and enhancing insightful, visually engaging BI reports and dashboards. Translating business briefs into actionable insights using internal and external data sources for a holistic view. Driving product performance and stakeholder engagement as part of the PowerBI & Analytics Squad.

Job Description An exciting position has become available within a well-established small accountancy practice for an experienced Senior Accountant/Manager. Involved in ‘leading from the front’, you will have a hands-on role, and be expected to focus on customer retention and business development within the office and the wider network, whilst proactively seeking potential opportunities to...

Overview Contract type: Permanent The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below. Location: Hatfield (Hybrid working – 3 days in the office) Working hours per week: 40 hours Level: Manager Application Closing Date: Thursday 22nd January 2026 About Us Our mission is to deliver joy in every shop, through unbeatable...

You will be responsible for: Supporting the delivery of key strategic projects across the product and channel teams e.g. Price Index development, Promotional Optimisation, and delivery of the Trade Plan

You will also work with many different connectivity methods and security practices Carry out third line support activities and configuration requests If you are interested and are suitable, you will take responsibility for (partial) projects

You will receive individual training and coaching from experienced colleagues and will be supported in your personal development

We’re seeking an experienced Senior Estimator with a strong background in civil engineering projects within the rail sector, particularly in drainage, utilities, and associated infrastructure works. You’ll play a pivotal role in developing accurate and competitive tenders for projects across the South East, working closely with our pre-construction, engineering, and delivery teams.Key...

Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Apply by 27-Feb-2026 Our Digital Forensics and Incident Response (DFIR) team leads the technical investigation and response to security incidents at Tesco. As part of this team, you'll work alongside our security operations, threat intelligence, and security engineering teams to protect, detect, and respond to security threats across Tesco's...

A leading retail company is seeking a Senior Security Partner to enhance security within product areas. This role involves collaborating with engineering teams, addressing security challenges, and ensuring robust security measures are integrated throughout the software development lifecycle. Ideal candidates will have a strong background in security, experience with architectural practices, and...

A global healthcare leader is seeking a Senior Statistical Methodology Data Scientist in Welwyn. The role involves leading the adoption of statistical methodologies in early clinical development, collaborating with cross-functional teams, and translating scientific questions into analytical frameworks. Candidates should have a Master's or PhD in a relevant field and expertise in R or Python. This...

Senior Statistical Methodology Data Scientist page is loaded## Senior Statistical Methodology Data Scientistlocations: Welwyntime type: Tempo integralposted on: Publicado hojetime left to apply: Data de término: 30 de janeiro de 2026 (14 dias restantes para se candidatar)job requisition id: 202511-128913At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture...

You will be responsible for Partnering with senior team members (WL5) to influence and develop strategic direction for functional learning for both the what and the how from a Group perspective.

You will need Setting group wide capability strategies and gaining engagement, consensus and sign off for these.

You will responsible for designing and implementing both manual and automated testing frameworks while partnering with our development teams drive best practices in software quality.

You will be responsible for •Work closely with product managers and developers to understand product requirements and design.

You will be responsible for Supporting the delivery of key strategic projects across the product and channel teams .

You will be responsible for Investigation and Response: Perform host, network, and cloud-based forensic analysis to understand the full extent of security incidents and take appropriate response actions to contain, remediate, and recover.

You will be responsible for Developing a deep understanding of how the retail industry, our end to end supply chain and store operations work and why.

You will need Good eye for business and the strive to make changes to the way the company operates. Strong analytical and numerical skills.