Senior Software Engineer, Python

FullFibre Limited

. Develop and support FullFibre’s ecosystem of Python microservices and web applications .

Posted 11/12/2026full-timeRemote • United KingdomSenior💰 £75,000 - £90,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and supporting Python microservices and web applications, with a strong focus on system reliability, security, and efficient deployment in cloud environments. Proven ability to mentor junior engineers and collaborate effectively with diverse teams to deliver high-quality software solutions.

Highest-signal resume keywords

Python DevelopmentKubernetes DeploymentLinux AdministrationFrontend Frameworks (VueJS, TypeScript)SQL Database Technologies

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Applicant Tracking System Keywords

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Hard Skills

PythonKubernetesDockerSQLVueJSTypeScriptRustPySparkDatabricksRESTful API Design

Soft Skills

Excellent Written CommunicationCollaborationMentoringProblem-SolvingRisk Management

Tools & Technologies

GitLabGitOpsCI/CD WorkflowsPostgreSQLMySQLRabbitMQDelta Lake

Certifications & Qualifications

Degree in Computer ScienceMathematicsPhysics

Industry Keywords

Telecoms Operational SystemsBusiness Support SystemsDistributed Systems EngineeringData Warehousing Technologies

Tech Stack

Tools & technologies

Distributed SystemsDockerJavaScriptKubernetesLinuxMicroservicesMySQLNode.jsPostgresPySparkPythonRabbitMQRustSQLTypeScriptVue.js

About the role

Key responsibilities & impact

Develop and support FullFibre’s ecosystem of Python microservices and web applications
Ensure systems are reliable, efficient, and well instrumented
Work with DevOps engineers to ensure reliable and robust deployment on Kubernetes clusters and other environments
Ensure systems are secure and protect customer data and privacy
Architect, develop, and scope new systems, services, and integrations from cradle to grave
Collaborate with stakeholders to build and shape roadmaps and future deliverables
Support and mentor junior engineers
Build new features, understand and resolve issues, and design future work
Build web frontends for applications and internal tools
Take ownership of full-stack end-to-end delivery
Help maintain quality standards and develop tools addressing long-term business challenges

Requirements

What you’ll need

At least 5 years of professional experience with modern (typed, async) Python
An inquiring attitude and ability to investigate unexplained issues and glitches
Demonstrated experience working on live systems with real people’s data and services at stake
Strong appreciation of risk and change management principles
Ability to collaborate with technical and operations teams with a range of technical skill levels
Excellent written communication skills and strong asynchronous working familiarity
Significant experience with Linux system and process administration
Experience with container technologies such as Docker
Experience with remote working in a fully distributed team environment
Degree-level qualification in Computer Science, Mathematics, Physics, or similar equivalent professional experience
Experience with Kubernetes/Amazon EKS and GitOps/CI/CD workflows, GitLab
Experience with frontend frameworks such as VueJS and TypeScript or JavaScript/NodeJS
Experience with Rust and pyO3 or similar low-level languages
Experience with SQL database technologies such as PostgreSQL and MySQL
Experience with PySpark, Databricks, Delta Lake, or other data warehousing technologies
Experience with distributed systems engineering, message/event buses such as RabbitMQ, and RESTful API design
Understanding of telecoms operational and business support systems

Benefits

Comp & perks

25 days’ paid holiday plus bank holidays
A day off for your birthday
Pension Scheme
Life assurance
Private BUPA Healthcare
£500 Employee Referral Scheme
Enhanced family friendly policies
Zzoomm Employee broadband perks inc family & friends
Extensive training and development opportunities
Flexible working arrangements
Opportunity to learn new skills and diversify abilities