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# Senior Developer

- **Company:** Ada Mode
- **Location:** Southampton, UK
- **Experience:** Expert
- **Salary:** £55,000.0 - £75,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Data Analysis, Microsoft Azure, Linux, Identity and Access Management, Python (Programming Language), Machine Learning, OAuth, Package Management Systems, Software Engineering, SQL Databases, WebSocket, Working Model 2D, Backend, Git, Fastapi, Event Driven Architecture, Information Technology, Machine Learning Operations, Front End Software Development, Serverless Computing
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840590462-senior-developer

## About the Role

* Building & hardening containerised applications within on-premises and Azure based infrastructure environments
 * Strong working knowledge & experience applying Azure services to application development / deployment (via IaC principles) - particularly for serverless APIs, event-driven architectures and frontend deployments (CDN)
 * Creating secure & robust applications in enterprise environments (Oauth2.0, credential and identity management
 * Navigate delivery of live + timeseries based data analysis pipelines alongside integration with WebSockets and messaging
 * Knowledge of Python, FastAPI and UV-based package management Good experience of git and trunk-based workflow management
 * Degree in engineering, mathematics, physical sciences, computer science, data science, or a related discipline., * Full-stack infrastructure fluency (minus Frontend development): Linux, containers, python, SQL, cloud IAM
 * Bias towards being able to ship features + pragmatic problem-solving skills
 * Strong customer facing communication, comfortable explaining technical concepts to non-technical stakeholders
 * Data science, ML and AI experience (and it's integration into wider applications)
 * Experience working in energy, nuclear, maritime, manufacturing or similar industrial sector

## Description

Role Summary Ada Mode is looking for a Senior Developer to take a leading role in delivering high-impact digital solutions and bespoke software for our customers. This is a senior position for someone who combines strong software engineering with leadership, commercial awareness, and the ability to build trusted client relationships. You will lead multidisciplinary development teams, oversee the delivery of complex projects, and act as a technical lead for important clients. You will be comfortable operating at multiple levels: providing technical leadership to project teams, working closely with senior client stakeholders, identifying new opportunities, and helping guide Ada Mode's growth as a business., * Collaborating directly with customers to design, build and ship production systems in regulated industrial environments

 * Leading software development lifecycle activity across infrastructure, backend, data and ML operations, and deployment
 * Translating ambiguous customer requirements into working software under operational constraints, This role can be based out of any of our Southampton, Bristol or Manchester offices. We offer a hybrid working model with the expectation that you attend the office >3days/week.


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