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Olive Jar Digital

Senior Software Developer (Python)

On site

London, United kingdom

Senior

Full Time

09-12-2025

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Skills

Python CI/CD Version Control Architecture Machine Learning Regression node.js Software Development Microservices

Job Specifications

FTC or Permanent

UK-wide, Remote

About The Role

Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high-fidelity AI prototypes and supporting services across several Discovery and Alpha initiatives. You will work closely with machine learning engineers, data scientists, product managers, and designers to deliver secure, high-quality, user-centred technical solutions.

This role is ideal for a developer who enjoys solving complex problems, working iteratively, and contributing to early-stage innovation.

About Olive Jar Digital

As we grow, we empower our teams to develop their roles and functions and offer support to get you from where you are now, to where you want to be. Moving towards our 10th year, we are now an established brand, building digital products and services and championing the provision of expert talent to enhance customer and in-house teams, satisfying all user needs.

We are a professional, fun, fully Inclusive and diverse digital consultancy, valuing everyone’s opinion. With a huge growth plan over the next two years, we are looking to expand our client facing delivery team with designers, developers, and testers as we continue to expand our project portfolio.

Responsibilities

Develop, refine, and iterate software components that support AI prototypes, ensuring they meet engineering, security, accessibility, and performance standards.
Contribute to technical design documentation, including architecture, data flows, integrations, and API specifications.
Build and maintain clean, robust, well-tested code aligned to agreed coding practices and quality expectations.
Support automated deployment pipelines, cloud environments, CI/CD workflows, and development tooling.
Work closely with ML Engineers and Data Scientists to integrate models and prototype functionality into scalable backend services.
Review code, provide technical guidance, and support standards that ensure maintainability and quality across the codebase.
Participate in testing activities (functional, regression, integration), resolving issues and supporting iterative improvements.
Contribute to knowledge sharing, playback sessions, and documentation of deliverables.

About You

Strong experience in modern software development (e.g., Python, Node.js, or similar backend languages).
Experience building APIs, microservices, or backend systems within cloud environments.
Skilled in version control, CI/CD workflows, automated testing, and secure coding practices.
Ability to collaborate effectively with multidisciplinary teams, including ML, data, design, and product.
Comfortable producing technical documentation and communicating complex concepts clearly.

Benefits

25 Days Annual Leave per annum (plus 8 Bank Holidays as standard)
Health Insurance
Pension Scheme
Annual Bonus Scheme
Annual Salary Review
Electric Car Scheme

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About the Company

Olive Jar Digital has extensive experience in building highly secure, resilient, highly available and scalable websites. We focus on user experience and only build what the end user needs and understands. We deliver our projects using the Agile methodology, in particular Scrum and Kanban. This enables us to deliver on time, on budget and focus on priorities that could shift at any moment. The consultants we engage are either people that we have worked with over the years, have been recommended based on their performance, or... Know more