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Ably

Senior Software Engineer, Backoffice Platform

Ably

. Own and run Ably’s back office platform for customer packages, entitlements, limits, and billing .

Posted 10/23/2026full-timeRemote • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing back office platforms, focusing on customer packages, billing, and entitlements while leveraging AI tools for system architecture and decision-making. Proven ability to enhance tooling for finance and customer success teams, ensuring production readiness and compliance.

Highest-signal resume keywords
Back Office Platform ManagementRuby On Rails FamiliarityAI Tools ApplicationSystem Architecture ShapingUsage-Based Billing Experience

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Large Codebase ExperienceTest Strategy DevelopmentSystem InstrumentationProblem Design and DeliveryProduction-Readiness Standards
Soft Skills
Self-StarterDecision-MakingAbility To Work Through AmbiguityJudgement In System Changes
Tools & Technologies
LLMsAI ToolsTesting StandardsAdministration Tools
Industry Keywords
Financial SystemsCompliance AuditPlatform ToolingCustomer Success Processes

Tech Stack

Tools & technologies
RubyRuby on Rails

About the role

Key responsibilities & impact
  • Own and run Ably’s back office platform for customer packages, entitlements, limits, and billing
  • Maintain tooling used daily by Finance, Customer Success, and Support
  • Own problem design and delivery from loosely specified business problems
  • Improve administration tools so staff can understand customer purchases, billing, limits, and changes
  • Partner with Finance, Customer Success, Support, and Engineering to understand and improve processes
  • Use LLMs and AI tools for planning, prototyping, coding, and documentation while owning correctness and architecture
  • Make system decisions and invoices explainable without requiring engineers to inspect code
  • Define testing standards and build appropriate test harnesses for financially sensitive systems
  • Set and maintain production-readiness standards

Requirements

What you’ll need
  • Experience working in large, established codebases
  • Judgement to determine when a system should be extended, reworked, or replaced
  • Ruby on Rails familiarity is helpful, but range across languages is valued more than any one language
  • Track record of shaping architecture inside an inherited system, including data ownership decisions
  • Ability to self-start, work through ambiguity, and make sound decisions independently
  • Ability to challenge requirements and identify when process changes are preferable to coding
  • AI-first mindset and ability to apply appropriate rigour when using LLMs and AI tools
  • Experience making systems observable and testable
  • Experience instrumenting systems to answer unforeseen questions
  • Experience setting a test strategy for systems with patchy coverage
  • Usage-based billing experience is a bonus
  • Background in platform or internal tooling teams is a bonus
  • Experience being accountable for a system, particularly one subject to financial or compliance audit, is a bonus

Benefits

Comp & perks
  • Remote-first and flexible work environment
  • London office access whenever desired
  • EMI share options programme
  • 28 days of paid annual leave, including a birthday day off
  • Enhanced parental leave: up to 16 weeks fully paid for primary caregivers and 4 weeks for secondary caregivers, depending on length of service
  • £500 home workstation budget on joining and £150 per year thereafter
  • £1,000 annual personal learning and development budget
  • 5% learning and development time during working hours
  • Private healthcare with BUPA
  • Medical cash plan covering medical and dental costs
  • Mental wellbeing coaching and counselling from Self Space
  • Monthly wellbeing budget via Juno
  • Life assurance and income protection
  • Access to Tech and Cycle to Work schemes
  • Weekly snack allowance for the end-of-week “Need to Know” meeting
  • Fully paid one-month sabbatical after five years with Ably