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Pre-Sales Senior Engineer

Kal*** · London, ENG, United Kingdom
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London, ENG, United Kingdom56,000-70,000 GBP/yearlyHybrid
Remuneration
56,000-70,000 GBP/yearly
Location
London, ENG, United Kingdom
Visa sponsorship
Sponsors visa

Job summary

Job title: Pre-Sales Senior Engineer Location: London/Bristol - Hybrid Salary: £56,000 - £70,000 Team: Commercial Reporting To: Head of Client Solutions Closing date for applications: Monday 6th April 2026 This role is based in London or Bristol and requires existing right to work in the UK. At this time, we are not able to offer visa sponsorship for this role.

Benefits

Salary: £56,000 - £70,000At Work - access to thousands of retail discounts5% Flex Fund to spend on theYou want most26 days holidayFlexible bank holidays, giving you an additional 8 days which you can choose toDedicated personal learning and home office budgetsAnd more…We want the best peopleWe’re keen to meet people from all walks of life — our view is that the more incWe want to build teams which represent a variety of experiences, perspectives an

Qualifications

  • As a Senior Pre-Sales Engineer, you are a "developer-plus" technical contributor.
  • into working systems through a high degree of initiative.
  • What will set you apart
  • The "Prototyper" Portfolio: A track record of building internal

Responsibilities

  • You are responsible for building high-quality mock backends, APIs, and demo infrastructure, but with a unique twist: you leverage LLMs and Generative AI to prototype at high velocity.
  • While you won't build production systems, you will build "production-shaped" assets: reusable, well-structured, and documented services that enable credible technical storytelling and high-fidelity client validation.
  • will include:
  • AI-Accelerated Prototyping: Leverage LLMs (e.g., Claude and Gemini) to rapidly scaffold, build, and iterate on proof-of-concept apps and mock services.
  • You move faster than a traditional sprint by using AI to handle the "heavy lifting" of boilerplate and logic generation.
  • Technical Asset Development: Design, build, and maintain reusable mock services in Node.js / TypeScript.
  • You’ll implement contract-first APIs (REST/GraphQL), manage AWS deployments (API Gateway, Containers), and handle persistence using PostgreSQL or DynamoDB
  • Infrastructure as Code: Manage demo environments using Terraform, ensuring environments are reproducible and secure using existing OIDC authentication patterns.
  • Frontend Collaboration: Work closely with frontend engineers to ensure UI components point cleanly to your mock services, debugging integration issues and supporting end-to-end demo flows.
  • Strategic Pre-Sales Support: Partner with Pre-Sales consultants to translate client "win themes" into working technical artefacts.
  • You will occasionally demo directly to clients, showcasing how Kal*** solves their specific retail challenges.
  • Product & UX Influence: Collaborate with Design and Product teams for UI direction while developing your own design ideas to make Kal***’s capabilities shine.

Degrees

AssociateDegree

Work schedule

Shift

Industry

AutomotiveBankingEnergyInsuranceMediaOil-gasRetail

Company size

Smb