Senior Software Engineer - Python, TypeScript and AWS

Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher.

We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold you back. You’ll bring the expertise. We’ll provide the platform to succeed.

Ready? It’s time to do your thing.

Join Liberty IT as a Senior Software Engineer working on AI research, experimentation and enablement. You will deliver high‑quality software, prototype and produce cutting‑edge AI features, and help grow an AI‑focused delivery capability. This is a fast‑paced, frequently pivoting environment where ambiguity is expected and creative problem solving is required.

Experience, qualifications and minimum requirements

• A third level qualification in Software Engineering, Computer Science or a STEM subject and 3 years’ commercial software development experience; OR current and valid industry‑recognised certifications and 5 years’ commercial software development experience.
• Proven commercial experience delivering software (feature or function design and delivery) as part of an agile team (Scrum, Kanban, XP, etc.).
• Experience working with product owners, customers, end users or stakeholders to deliver software, solutions or products.
• Experience with DevOps/deployment tools such as Jenkins, Bamboo, Git or similar.

Essential skills (must have)

• AWS 
• TypeScript
• Python 

Desired skills (nice to have)

• Snowflake
• Observability tools 
• Generative AI 

What you’ll be doing

• Contribute to solving complex business problems by delivering high‑quality software that provides outstanding experiences for customers and internal stakeholders.
• With support from senior team members, contribute to architecture and design in your area of work.
• Write clean, well‑tested code in line with team standards; look for ways to improve those standards.
• Own, scope and deliver well defined deliverables or user stories; communicate progress at stand-ups and other agile ceremonies.
• Mentor and guide more junior team members to deliver well defined features, functions or components.
• Collaborate closely with technical and non‑technical teams to identify and build the best solutions that maximise customer value.
• Contribute to a culture of code quality: implement automated unit and integration testing, and apply security practices such as threat modelling.
• Maintain and improve CI/CD pipelines; play a lead role in code reviews and actively review peers’ pull requests.
• Grow your knowledge of architecture, modern engineering principles and design patterns.
• Assess business value of new technologies and technical solutions using a data‑driven approach and implement them into the development lifecycle.
• Share and celebrate what you’ve learned through internal tech talks, blogging and external events.

What we’re looking for in behaviour and approach

• Comfortable working in the grey and adapting to changing priorities.
• Curious, experimental mindset with an appetite for rapid prototyping and iteration.
• Collaborative communicator who can translate between technical and non‑technical stakeholders.
• Quality‑focused engineer with an interest in observability, reliability and security

What’s on offer

• Health insurance (including access to a digital doctor), life assurance and income protection.
• Employee discount schemes, annual bonuses and competitive pension.
• Flexible working and a real work‑life balance with a hybrid and in‑office culture.
• Continuous learning, career progression opportunities and a generous recognition programme.

A little background on LIT 

Liberty IT is the tech wing of Liberty Mutual Insurance. Bringing peace of mind to all aspects of customer’s lives, every day.  

We’re an ideas company. Always. We thrive on engineering excellence and surpass with technical mastery. We build beautifully architected cloud solutions and reliably run high stability systems. We work alongside the best in the business and learn from the finest minds.   

Great Place to Work in UK & Ireland 2025

Best Workplaces for Women (UK) 2025

Top 5 Best Tech Workplace  

Centre of Excellence in Wellbeing  

Fair employment and equal opportunities  

Liberty IT is an equal opportunity employer, committed to inclusion and diversity.  

If you have a disability, accommodations are available on request when taking part in all aspects of the recruitment, assessment, and selection process. 

Now, it’s over to you.  

If you’re ready to fly in your career, apply now.