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Context Engineer - Public Sector

Yesterday London, United Kingdom

Introduction

At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.

A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. You will get the chance to deliver effective solutions, driving meaningful business change for our clients, using some of the latest technology platforms.

Curiosity and a constant quest for knowledge serve as the foundation to success here. You'll be encouraged and supported to constantly reinvent yourself, focusing on skills in demand in an ever changing market. You'll be working with diverse teams, coming up with creative solutions which impact a wide network of clients, who may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.

We offer:

  • Many training opportunities from classroom to e-learning, mentoring and coaching programs and the chance to gain industry recognized certifications
  • Regular and frequent promotion opportunities to ensure you can drive and develop your career with us
  • Feedback and checkpoints throughout the year
  • Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
  • A culture where your ideas for growth and innovation are always welcome
  • Internal recognition programs for peer-to-peer appreciation as well as from manager to employees
  • Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
  • More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.

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In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centers offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.

Your role and responsibilities

We are looking for a highly skilled Senior Enterprise Platform Application Developer to lead the design, development, and optimisation of applications across specialised platforms such as VM, TPF, Microfocus COBOL, Tandem, and HP-3000. You will apply strong C# and TypeScript expertise, implementing Clean Architecture and Clean Code principles to deliver scalable, maintainable solutions. Your role will involve advanced use of AI/LLM concepts, including prompt engineering and retrieval-augmented generation, to enhance functionality. You will analyse outputs for sufficiency, completeness, and freshness, mitigating risks such as hallucinations in AI-driven processes. This position requires collaboration with cross-functional teams to integrate modern technologies with legacy enterprise platforms. You will mentor junior developers, guiding them in best practices and innovative approaches.

Responsibilities

  • Lead application development across VM, TPF, Microfocus COBOL, Tandem, and HP-3000 platforms.
  • Implement Clean Architecture and Clean Code principles in C# and TypeScript solutions.
  • Apply AI/LLM techniques such as prompt engineering and RAG to enhance
    applications.
  • Analyse and validate outputs for relevance, accuracy, and risk mitigation.
  • Mentor junior developers and review their code for quality assurance.

Required education

None

Preferred education

Bachelor's Degree

Required technical and professional expertise

  • Strong foundation in software development with C# and TypeScript.
  • Experience with AI/LLM concepts (e.g. prompt engineering RAG).
  • Analytical mindset for assessing sufficiency (relevance completeness freshness) and mitigating risks like hallucinations.
  • Focus on Clean Architecture and Clean Code principle
  • Strong expertise in C# and TypeScript development.
  • Experience with one or more enterprise platforms (VM, TPF, Microfocus COBOL, Tandem, HP-3000).
  • Deep understanding of Clean Architecture and Clean Code practices.
  • Proficiency in AI/LLM concepts, prompt engineering, and RAG.
  • Analytical mindset for assessing sufficiency and mitigating AI-related risks.

As an equal opportunities' employer, we welcome applications from individuals of all backgrounds. However, for you to be eligible for this role, you must have the valid right to work in the UK. Unfortunately, we do not offer visa sponsorship and have no future plans to do so. You must be a resident in the UK and have been living continuously in the UK for the last 5 years. You must be able to hold or gain a UK government security clearance.

Preferred technical and professional experience

  • Experience integrating AI capabilities into legacy enterprise systems.
  • Familiarity with Microfocus COBOL optimisation techniques.
  • Background in performance tuning on mid-range enterprise platforms.
  • Knowledge of advanced AI hallucination prevention strategies.

ABOUT BUSINESS UNIT

IBM Consulting is IBM's consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy, experience, technology, and operations services to many of the most innovative and valuable companies in the world. Our people are focused on accelerating our clients' businesses through the power of collaboration. We believe in the power of technology responsibly used to help people, partners and the planet.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you'll be able to learn and develop yourself and your career, you'll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM's greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we're also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it's time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

IBM wants you to bring your whole self to work and for you this might mean the ability to work flexibly. If you are interested in a flexible working pattern, please talk to our recruitment team to find out if this is possible in the current working environment.

Client-provided location(s): London, United Kingdom
Job ID: IBM-72062
Employment Type: OTHER
Posted: 2025-11-14T18:49:54

Perks and Benefits

  • Health and Wellness

    • Parental Benefits

      • Work Flexibility

        • Office Life and Perks

          • Vacation and Time Off

            • Financial and Retirement

              • Professional Development

                • Diversity and Inclusion

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