Senior Software Developer (Python) in London

Location: London, London. Hours: 37.5 hrs/week.

Better content. Better products. And better careers. Working in Tech, Product or Data at the company is about building the next and the new. From broadband to broadcast, streaming to mobile, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love.

Role/Team overview

About the Role

We are looking for an experienced and motivated Senior Software Developer to join the software and data science team within Network Software & Data Science. You will help design, build, and evolve the software platforms, services, and data products that enable advanced analytics, automation, forecasting, optimisation, and AI-driven decision making across our networks. This is an exciting opportunity to work at the intersection of software engineering, cloud infrastructure, data science, and AI, building scalable solutions that support critical business capabilities across the company's fixed and mobile networks.

The ideal candidate is a strong software engineer who enjoys solving complex technical challenges, building cloud-native applications, and collaborating with data scientists, network experts, and product stakeholders.

Team Overview

UK Tech

Our team focuses on technology strategy, design, and delivery across the company's network and data platforms. From Cloud, AI, Automation, Data Science, and Advanced Analytics through to Network Optimisation and Digital Transformation, we build the systems that power the future of connectivity. Within Network Software & Data Science, we develop and operate modern analytical platforms and software solutions that enable data-driven decision making at scale. We embrace cloud-native technologies, open-source innovation, and engineering excellence to deliver high-impact products for our customers and internal stakeholders. Together, we are bold, collaborative, and passionate about building technology that makes a real difference.

What you'll do

• Design, develop, and maintain scalable software platforms, APIs, and analytical applications.
• Build cloud-native services that support analytical, optimisation, forecasting, and AI workloads.
• Collaborate with data scientists, data engineers, and network domain experts to translate business requirements into robust software solutions.
• Develop backend services and APIs using Python and modern frameworks such as FastAPI, Flask, or Django.
• Design and implement containerised applications using Docker and Kubernetes.
• Build and maintain CI/CD pipelines to enable reliable testing, deployment, and monitoring.
• Develop reusable platform components that improve developer productivity and operational efficiency.
• Contribute to data product development, including ingestion, transformation, model deployment, and visualisation workflows.
• Ensure software solutions meet security, reliability, scalability, and performance requirements.
• Support operational excellence through observability, monitoring, troubleshooting, and incident resolution.
• Contribute to technical design reviews, architecture discussions, and engineering best practices.
• Mentor junior developers and contribute to fostering a strong engineering culture.

What you’ll bring

Essential criteria:

• Strong commercial experience developing software applications using Python.
• Experience with modern Python frameworks such as FastAPI, Flask, or Django.
• Strong understanding of software engineering principles including testing, design patterns, maintainability, and code quality.
• Experience building and deploying applications on cloud platforms, preferably Google Cloud Platform (GCP), although AWS or Azure experience is also valued.
• Hands-on experience with Docker, Kubernetes, and container orchestration.
• Experience designing and developing RESTful APIs and microservices.
• Strong understanding of CI/CD practices using tools such as GitHub Actions, Concourse, Jenkins, or equivalent.
• Experience working with Git-based development workflows.
• Understanding of data engineering and analytical workflows, including data ingestion, transformation, storage, and reporting.
• Strong problem-solving skills and ability to work effectively within agile, cross-functional teams.

Desirable skills and experience:

• Experience building platforms or applications that support Data Science, Machine Learning, or AI workloads.
• Experience with MLOps tooling such as MLflow, Kubeflow, Vertex AI, or similar technologies.
• Knowledge of workflow orchestration platforms such as Apache Airflow.
• Experience with data processing technologies such as Pandas, Apache Beam, Spark, or similar frameworks.
• Strong SQL skills and experience with analytical databases such as BigQuery, PostgreSQL, or ClickHouse.
• Familiarity with observability and monitoring tools such as Prometheus, Grafana, Splunk, or OpenTelemetry.
• Experience deploying and supporting large-scale distributed systems in Kubernetes environments.
• Knowledge of graph analytics, network modelling, optimisation algorithms, or telecommunications networks.

Benefits and perks

There's one thing people can't stop talking about when it comes to life at the company: the perks. Here’s a taster:

• Free the company TV or NOW package, including the company Sports and the company Cinema.
• Pension package with up to 9% employer contribution.
• Private healthcare with mental health support.
• Aviva Digital GP and dental insurance.
• Discounts on the company products, including the company Mobile, the company Broadband, the company Glass and the company Protect.
• Sharesave and Tech schemes.
• A range of the company VIP rewards and experiences.

How you'll work

We've adopted a hybrid working approach to give more flexibility on where and how we work. The hybrid working expectations for this role are 2 days in the office per week.

Your office base

This position will be based out of Brick lane London.

Who we are

We’re the company, a leading media and entertainment company who connect millions with entertainment, sports, news and arts through innovative products and services. Working with us means you’ll be bringing the joy of a better experience to more people, every day. All so we can do better and deliver better for our customers, colleagues and society.

We’re an equal opportunity employer and value diversity at our company. We're a Disability Confident Accredited Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all and will make reasonable adjustments to support you where appropriate. Please flag any adjustments you need as early as you can.

*Just so you know: if your application is successful, we’ll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

*To be eligible for this role you are required to have the appropriate right to work in the UK. Please be aware the company does not offer sponsorship for this position.

To find out more about working with us, search #LifeAtSky on social media.