Tesco Technology

About the Company

We are Tesco, and we're always looking ahead. We use tech to make things a little better for everyone, every day.

Forget off- the-shelf. We love coming up with our own ideas and building things ourselves. We empower our technologists to play a part in Tesco's future. Solving crunchy tech problems, making customers' lives a little easier, and making a difference to our communities and the planet.

Our Technology team is made up of over 3,500 experts spread over 5 countries: UK, Poland, Hungary, Czech Republic and India. These teams all have one thing in common - helping solve problems at a global scale.

Whether making products, software or systems, our teams each focus on a particular area, taking strategic ownership of the architecture, design, testing, deployment, infrastructure, operation and security of the systems in their domain, to ensure agile, smooth and safe operations, and maximum business impact.

It doesn't matter who you are, everyone has the opportunity to make things happen at Tesco. We listen and learn. We all love tech. And we always work together as a team. That's why you won't find big egos at Tesco. Just tech experts with lots of ideas that help millions of customers, every day.

Listed Jobs

Company Name

Tesco Technology

Job Title

Software Development Engineer III - Developer Platform

Job Description

**Job Title** Software Development Engineer III – Developer Platform **Role Summary** Senior platform engineer responsible for owning, designing, and delivering the Tesco Developer Platform (TDP). The role combines technical leadership with hands‑on platform development, ensuring scalable, secure, and high‑quality delivery pipelines that enable self‑service build, deploy, and operate capabilities for the wider engineering community. **Expectations** - Own the platform’s short‑ and long‑term direction and vision. - Influence cross‑functional teams and shape future feature roadmaps. - Raise the quality bar of the TDP codebase and drive operational excellence. - Mentor and coach engineers within the TDP team. **Key Responsibilities** - Lead design, planning, and implementation of TDP features, ensuring scalability, resilience, and security. - Define and enforce platform standards, guidelines, and best practices. - Resolve production incidents, driving root‑cause analysis and continuous improvement. - Collaborate with stakeholders across directorates to align platform capabilities with business needs. - Champion automation, IaC, and CI/CD best practices to accelerate delivery. - Guide the team in adopting modern cloud‑native technologies and practices. **Required Skills** - Proficient in Java 8+; experience with Go is a plus. - Strong background in cloud platforms (e.g., Azure, AWS, GCP). - Experience with SQL and NoSQL databases. - Expertise in Infrastructure‑as‑Code (IaC) tools (Terraform, ARM, etc.). - Proven ability to design and scale distributed systems. - Hands‑on with CI/CD pipelines and automation tools. - Familiarity with agile/Kanban workflows. - Knowledge of commit‑to‑production practices is an advantage. **Required Education & Certifications** - Bachelor’s degree or equivalent in Computer Science, Software Engineering, or related field. - Relevant certifications (e.g., Azure Solutions Architect, AWS Certified DevOps Engineer, Kubernetes Administrator) are desirable.

Welwyn garden city, United kingdom

On site

03-03-2026

Company Name

Tesco Technology

Job Title

Cyber Security Manager

Job Description

**Job Title:** Cyber Security Manager **Role Summary:** Lead the cyber security function for subsidiary businesses within a corporate security organization. Build and maintain strong relationships with subsidiary cyber and business leaders, align their security programs to the Group's framework, and drive the implementation of security initiatives, risk management, and compliance across the portfolio. **Expectations:** - Ensure subsidiaries meet Group security requirements (GDPR, PCI, NIS2, ISO 27001). - Translate security concepts into business language to embed a security‑centric culture. - Provide executive‑level risk recommendations and oversee the execution of improvement plans. **Key Responsibilities:** - Develop and sustain stakeholder relationships with subsidiary cyber teams and business leaders. - Champion security best practices and identify value‑adding opportunities within supported businesses. - Evaluate security posture of subsidiaries, deliver risk‑based recommendations, and manage cyber risk remediation. - Present risk and security positions to management and executive teams. - Lead information security improvement plans, incorporating Group requirements. - Coordinate incident lifecycle: registration, analysis, resolution, and reporting of privacy and information security incidents. - Design and conduct security assessments, penetration testing, reviews, and audits. - Provide technical oversight of security tooling and infrastructure services; recommend configuration and implementation enhancements. - Own third‑party vendor management for security services. - Monitor emerging threat patterns, vulnerabilities, and anomalies to inform business risk decisions. - Collaborate with the Group Cyber Security team to safeguard the entire business ecosystem. **Required Skills:** - Deep Cyber/Information Security expertise suitable for stakeholder engagement. - Knowledge of vulnerability management, detection engineering, application security, identity management, incident response, awareness training, risk, and compliance. - Strong stakeholder engagement and change‑management capabilities. - Proven track record of cultivating a security culture. - Analytical ability to synthesize complex information and make sound decisions. - Project management experience. - Hands‑on background in networks, systems administration, software development, or security analysis is advantageous but not mandatory. **Required Education & Certifications:** - Bachelor’s degree in Cyber Security, Information Technology, Computer Science, or related field. - Security certifications (CISM, CISSP, CISA) or equivalent strongly desired. - Project management certification (PMP, Prince2) preferred.

Welwyn garden city, United kingdom

On site

08-03-2026

Company Name

Tesco Technology

Job Title

Security Engineer II

Job Description

Job Title: Security Engineer II Role Summary: Lead the design, development, and continuous improvement of cyber‑security detection capabilities across on‑premises and cloud environments. Translate threat intelligence into actionable detection logic, ensuring robustness, thorough testing, and operational relevance for incident responders. Expectations: - Build and maintain detection rules, signatures, and automation scripts that support scalable, multi‑cloud and enterprise environments. - Collaborate with security operations, engineering, and risk & compliance teams in an agile, fast‑paced setting. - Provide expertise during incidents, threat hunts, and security evaluations. Key Responsibilities: - Develop, test, and refine detection logic using query languages (KQL, SPL). - Conduct code reviews, positive/negative testing, and secure‑by‑design processes for detection assets. - Translate MITRE ATT&CK, Lockheed Martin Kill Chain, and other threat frameworks into production‑ready rules. - Automate detection lifecycle and standardise processes across platforms. - Summarise and disseminate research findings to cross‑functional teams. - Support incident response and threat hunting initiatives. Required Skills: - Deep understanding of threat intelligence, attacker TTPs, and detection development lifecycle. - Proficiency in query languages (KQL, SPL) and scripting (Python, PowerShell, Bash). - Experience with Windows, macOS, Linux operating systems. - Knowledge of security concepts, MITRE ATT&CK, and security testing methodologies. - Ability to work independently and as part of a multidisciplinary team. Required Education & Certifications: - Bachelor’s degree in Computer Science, Cyber Security, or related field (preferred). - Certifications: CompTIA Security+, GIAC, CEH, SSCP (or equivalent). ---

Welwyn garden city, United kingdom

On site

12-03-2026

Company Name

Tesco Technology

Job Title

Senior AI Engineer

Job Description

Job title: Senior AI Engineer Role Summary: Own end‑to‑end development of large‑language‑model (LLM) solutions that power scalable GenAI products for customer experience, operations, and marketing. Lead rapid experimentation, prototype design, model deployment, and production maintenance across multiple business domains. Expectations: • Deliver production‑grade LLM systems within tight timelines. • Make data‑driven, technically sound decisions considering real‑world constraints. • Actively share knowledge and run cross‑team technical workshops. • Stay abreast of emerging AI engineering patterns and tooling. Key Responsibilities: • Design architecture for LLM pipelines, APIs, and backend services. • Prototype and iterate models quickly, validate with statistical evaluation. • Deploy models to production, manage lifecycle, versioning, and monitoring. • Implement experiment tracking, reproducibility, and model governance. • Collaborate with data, product, and infrastructure teams to integrate solutions. Required Skills: • Proven experience building/deploying end‑to‑end ML systems. • Deep understanding of LLMs, LLM frameworks (LangGraph, LangChain). • Strong background in software engineering, backend/API design, DevOps, and cloud infrastructure. • Proficiency in Python and its ML/NLP libraries (PyTorch, TensorFlow, HuggingFace, spaCy, etc.). • Practical knowledge of experiment tracking (MLflow, Weights & Biases), model versioning, and lifecycle management. • Ability to conduct robust statistical evaluation and make informed trade‑offs. Required Education & Certifications: • Bachelor’s or Master’s degree in Computer Science, Machine Learning, AI, or related field, or equivalent professional experience.

Welwyn garden city, United kingdom

On site

Senior

13-03-2026