> Markdown version of [/jobs/ext/1288775-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/1288775-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Hays plc - **Location:** London, UK - **Experience:** Expert - **Salary:** £182,000.0 - £195,000.0 - **Contract:** Temporary contract - **Skills:** Big Data, Data Transformation, Data Structures, Design of User Interfaces, Python (Programming Language), Metadata, Windows PowerShell, Data Ingestion, ReactJS, Data Pipelines - **Published:** July 16, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2874916837-2 ## About the Role * Proficiency in UI development with React. * Extensive Python and PowerShell scripting experience. * Strong experience building data pipelines, architectures, and datasets. * Strong experience building processes to support data transformation, data structures and metadata * Extensive big-data experience. * Good experience with at least one object-orientated programming language. ## Description I am currently working with a London-based investment bank who are actively seeking a Senior Software Engineer to assist in the development of a business-critical data ingestion and search interface to simplify the onboarding of future applications.What you'll need to succeed ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [A Data Mesh needs Open Metadata](https://www.wearedevelopers.com/videos/505-a-data-mesh-needs-open-metadata) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) - [Crafting Custom Frameworks with Rust: A Deep Dive into Procedural Macros](https://www.wearedevelopers.com/videos/849-crafting-custom-frameworks-with-rust-a-deep-dive-into-procedural-macros) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)