Software Developer

Hmrc • Python • JavaScript • 10 hours ago
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Salary
≈ $73k – $182k per year (Estimated)
Location
In office (United Kingdom)
Employment
Contractor

Confirmed on the employer's own hiring board on Oct 9, 2026. First seen by Alion on Oct 9, 2026.

Overview
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Hmrc

HMRC is the UK tax authority, collecting taxes and paying benefits and support schemes.
hmrc.ca • Accounting & Tax Software

(1x Back-End, 1x Front-End) Software Developer:

Back-End Software Developer:

Data-driven decision support through standardised modelling of impacts and outcomes across Strategic Objectives, KPIs, OKRs, and yield to enable balanced and flexible decision-making over time.

Integrated performance monitoring and reporting combining resourcing, planning, forecasting, performance, with related insights and trends

Scenario Modelling Module - The ability to test and calculate the simultaneous impact of a suite of discrete decisions packaged up into a scenario

Impacting Reporting - Visualisation and IU capability that can report the deltas of discrete decisions, scenarios, the cumulative deltas of scenarios, and be able to present trade-off analyses between different decisions or scenarios

Discrete Decision Impact Calculation - The ability to test and calculate the impact of making a single decision or change to the digital representation model, via direct changes or general business roles

Essential Criteria:

  • Hands-on experience in DevSecOps and CI/CD pipelines
  • Strong Python programming experience, Posit experience preferred, R is a plus
  • Experience with workflow orchestration tools, such as Airflow, Prefect etc
  • Solid experience with API development, FastAPI, Flask etc
  • Experience with large scale data processing
  • Strong understanding of performance optimisation for compute workloads

Front-end Software Developer:

Data-driven decision support through standardised modelling of impacts and outcomes across Strategic Objectives, KPIs, OKRs, and yield to enable balanced and flexible decision-making over time.

Essential Criteria:

  • Hands-on experience in DevSecOps and CI/CD Pipelines
  • Proficient Python or R for UI driven analytics apps
  • Experience building data heavy interactive dashboards
  • Familiarity with API integration and asynchronous workflows
  • Experience in front end languages (HTML, JavaScript, CSS) preferred
  • Knowledge of performance optimisation in reactive apps
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