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Jon Axel SunnehallJA

Jon Axel Sunnehall

Integration Engineer

£500/day
London, GB
15+ years

Average response time: 1 hour

About Jon Axel

Senior Cloud & Platform Engineer with 10+ years of experience delivering secure, scalable solutions across FinTech, HealthTech, GovTech, and high-growth startups. Strong full-stack background with deep expertise in cloud platforms (Azure, AWS, Salesforce), Node.js/TypeScript, .NET, and API-driven architectures, combined with hands-on experience in DevOps, CI/CD, Terraform, and automation. Proven track record building and modernising mission-critical systems including lending platforms, government licensing systems, and healthcare research products used at national scale. A pragmatic, product-minded engineer who thrives in regulated environments, bridges business and technical teams, and consistently improves developer productivity, system reliability, and delivery speed.
  • English

    Native or bilingual

  • Swedish

    Native or bilingual

Can work on-site
London (up to 50km)

Experience

  • Origin Housing / Places for People
    Integration Engineer (CONTRACT)
    November 2024 - Today (1 year and 7 months)
    United Kingdom
    Origin Housing is part of the PlacesForPeople family of businesses with 13000 employees
    • ● Development of Python APIs for data loaders.
    • ● Integration and data transfer between Microsoft Dynamics 365 and corporate applications.
    • ● Build new Azure DevOps Pipelines using Terraform with multiple subscriptions and services on Azure cloud computing platform
    • ● Introduced AI-assisted integrated development environment
    • ●Keywords: Cursor IDE, Python, Terraform, Azure, Azure Devops, Dynamics API, Dataverse, CI/CD, SQL, SSIS.
    dataverse Dynamics API
  • DEFRA
    Software Engineer
    March 2024 - August 2025 (1 year and 5 months)
    United Kingdom
    Development of TypeScript modules to support customer journeys for Medicine import licensing.

    ● Translate design into workable modules using patterns described in the book Gangs of Four (GoF) Design Patterns.

    ● Peer reviewing TypeScript and C#.NET and node.js modules.

    ● Worked collaboratively within an agile SCRUM team and ensured an increased pace of delivery.

    Keywords: TypeScript/JavaScript, NodeJS, Nest.js, Hapi, Joi, Docker, NPM, Jest, GOV.UK Design System, Microservices architecture,
    CI/CD.
  • OakNorth Bank,
    Salesforce Engineer
    January 2023 - January 2024 (1 year)
    United Kingdom
    • ● Collaborate and lead development team building cloud-based banking software and streamlining processes, hands-on development of loan origination journey using nCino Salesforce banking software.
    • ● Collaborate with stakeholders and documented requirements for enhanced workflows and lending features for collaterals, schemes, and insurance.
    • ● Build and deployed features using customised nCino routes and screens, Flows and bespoke lightning pages and components.
    • ● Reduced technical debt by upgrading workflow rules and process builder to more versatile Flows.
    • ● Improved Git CI/CD workflows, code quality and assisted bank's compliance team with internal audit
    • ● Team collaboration with Scrum Agile framework, organised and led Stand-Ups, Retros, Show and Tells
    • ● Lead by example in UK team and re-energised India team resulting in overall increased output
    • ● Keywords: nCino, Salesforce, Apex, LWC, Flows, Approval Processes, Reports and Twilio Segment, DevOps, GitHub Actions

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Education

  • • ●Certified Salesforce Platform Developer
    2017
    • ●Certified Salesforce Platform Developer
  • • ●Certified ScrumMaster
    2020
    • ●Certified ScrumMaster

Skill set

Categories