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Senior Developer; Java​/Kotlin

Job in Sheffield, South Yorkshire, S5, England, UK
Listing for: TESTQ Technologies Limited
Full Time position
Listed on 2026-07-24
Job specializations:
  • Software Development
Salary/Wage Range or Industry Benchmark: 92250 - 129150 GBP Yearly GBP 92250.00 129150.00 YEAR
Job Description & How to Apply Below
Position: Senior Developer (Java/Kotlin)

Overview

Job Type: Contract

Work Mode: Onsite (Client)

Responsibilities
  • Build adoption accelerators Golden Path delivery
    • Implement and maintain Golden Path templates reusable patterns and reference implementations
    • Aligned to app ways of working
    • Produce worked examples from real projects not toy apps designed to double as reusable
    • Accelerators and adoption media
    • Contribute code pipelines and automation that reduce friction in onboarding and repeatable delivery
  • Self-service onboarding with no white glove by default
    • Improve self-service onboarding journeys so teams can progress without hand holding
    • Large self-serve must work from day 1
    • Create and maintain onboarding guides, operational guidance and runbook-style content that helps teams reach production confidently
    • Help reduce bespoke onboarding by standardising workflows and improving automation
  • Developer experience advocacy actionable not advisory
    • Participate in feedback channels, office hours, champions networks, team emails in-app ratings where available
    • Triage issues and pain points into items Dev Rel can build/fix directly and items to be driven to the owning pillar/team with clear acceptance criteria
    • Track to closure. Not our team isn’t a resolution. Dev Rel ensures the right team is engaged and progress is visible
  • Documentation as a core deliverable
    • Write and maintain high-quality documentation content for our platform docs including onboarding, how-tos, troubleshooting and reference material
    • Ensure new/updated assets ship with documentation as part of Definition of Done and release readiness
    • Keep content fresh and discoverable; propose improvements to doc structure, navigation and time to answer
  • Developer enablement and narrative support delivery-focused
    • Support internal communications and technical engagement (short talks, show-and-tells, workshops, mob programming sessions)
    • Help maintain clear adoption pathways and migration guidance in partnership with
    • Contribute to communications that make developers confident about what exists, what’s coming and how to get it
    • Proficiency in Java, Kotlin or Node.js. Strong communicator to all levels of seniority
    • Solid understanding of production readiness fundamentals: security, resilience, observability, supportability to build credible examples and guidance
    • Strong hands-on engineering experience delivering production-grade systems. Experience delivering app platforms would be a plus but not necessary
    • Practical experience improving developer experience via standardisation, automation and making the easy thing the right thing
    • Comfortable working across teams (product, engineering, architecture, risk/control) to make guidance accurate and usable
  • Skills

    Mandatory Skills : Java, Kotlin, Node.js

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    Position Requirements
    10+ Years work experience
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