ANNA
Senior AI-Native Software Engineer
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Senior AI-Native Software Engineer
Senior AI-Native Software Engineer
One of the UK's fastest-growing fintechs is hiring. At ANNA Money, we're building the AI-native financial operating system for small businesses.
We're moving beyond simply being AI-powered. AI is becoming fundamental to how we design software, build products and solve engineering problems.
Our mission is ambitious: to build an intelligent operational employee for small businesses—one capable of taking care of the repetitive administrative work that founders shouldn't have to do themselves. From banking and payments to invoicing, bookkeeping, tax and company formations, we're combining financial infrastructure, automation and AI into a single product experience trusted by more than 230,000 businesses.
Why Join ANNA?
This isn't a role where you'll spend years maintaining legacy systems or waiting for decisions to work their way through layers of management. Our engineers work directly with Product, Design and Engineering leadership to shape both the products we build and the way we build them. You'll have genuine ownership from day one, influence technical direction, and help define what an AI-native engineering organisation looks like.
You'll work on problems involving:
- AI agents & LLM orchestration
- Backend engineering
- Financial infrastructure
- Distributed systems
- Operational automation
- Real-time data processing
- Product scalability
- Developer tooling
- Customer-facing product experiences
If you're excited by the future of AI-native software engineering, enjoy solving complex technical problems and want to help build products that genuinely transform how small businesses operate, we'd love to hear from you.
Come and help us define what the next generation of engineering looks like.
How We Build Software
At ANNA, we believe AI makes great engineers even better. Our teams actively embrace modern AI-assisted development to improve productivity, accelerate delivery and automate repetitive engineering tasks.
That means working with technologies and tools such as:
- Claude Code
- GitHub Copilot
- LLMs
- AI Agents
- Intelligent automation
These tools help us move faster. But speed without engineering judgement creates technical debt.
We're looking for engineers who know how to combine AI-assisted development with excellent software engineering fundamentals—using AI where it adds value while applying the experience and judgement needed to build scalable, maintainable production systems.
Previous commercial AI experience isn't essential. Curiosity and a willingness to embrace modern engineering practices are.
What You'll Be Doing
- Design and build scalable backend services used by hundreds of thousands of businesses.
- Develop customer-facing product features across ANNA's financial platform.
- Use AI-assisted development tools to accelerate software delivery while maintaining engineering quality.
- Build intelligent workflows, automations and AI-native product experiences.
- Reverse engineer existing systems and understand complex technical dependencies.
- Validate, review and improve AI-generated code before it reaches production.
- Contribute to architectural decisions across our platform.
- Write clean, maintainable, well-tested code.
- Improve system performance, reliability and scalability.
- Collaborate closely with Product Managers, Designers, Data Scientists and fellow Engineers.
- Take ownership of your work from idea through to production.
- Continuously improve developer experience, tooling and engineering standards.
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What We'll Be Looking For
Our interview process isn't about memorising algorithms or catching candidates out. We're interested in how you think.
Throughout the interview process we'll assess:
- Backend engineering fundamentals.
- Software architecture and system design.
- Problem solving and technical judgement.
- Product thinking.
- Collaboration and communication.
- Engineering quality.
- Curiosity and continuous learning.
- Your approach to AI-assisted software development.
- End-to-end ownership of features in the domain of the team.
Our live coding exercise focuses far more on your thought process, engineering decisions and communication than producing the "perfect" solution.
Our Technology Stack
Our engineering teams currently work across:
- Python
- TypeScript
- React
- PostgreSQL
- RabbitMQ
- Kubernetes
- Flutter
- AWS & Google Cloud
You don't need experience across every technology. Strong engineering fundamentals and the ability to learn quickly matter much more.
Essential Experience
- Significant commercial experience developing software in Python, Java, C# or Go.
- Strong backend engineering experience.
- Experience designing and building scalable distributed systems.
- Strong understanding of software architecture and engineering best practices.
- Excellent debugging and problem-solving skills.
- Experience writing clean, maintainable and well-tested code.
- Comfortable working in cross-functional product teams.
- Excellent communication skills.
- A product mindset with genuine curiosity about solving customer problems.
Nice to Have
Experience with any of the following would be beneficial:
- Python asynchronous frameworks (e.g., aiohttp, FastAPI)
- Docker, Kubernetes or Helm
- PostgreSQL or MongoDB
- RabbitMQ
- Flutter / Dart
- AI-assisted development tools such as Claude Code, Cursor or GitHub Copilot
- LLM APIs, AI agents or agentic workflows
- Prompt engineering or intelligent automation
If you haven't worked extensively with AI-native tooling but are excited by where software engineering is heading, we'd still love to hear from you.
Life at ANNA
We're proud of our flat organisational structure, where engineers are trusted to make decisions, challenge ideas and own outcomes. Today our global team consists of more than 200 people, with a collaborative mix of engineers, designers, data scientists and product specialists working together to build products that genuinely improve the lives of small business owners. We deploy to production hundreds of times every month, continuously experiment, and believe the best ideas can come from anywhere.
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Visa Sponsorship
For Skilled Worker visa sponsorship, ANNA covers all costs we are legally required to pay as your sponsoring employer, including the Certificate of Sponsorship (CoS) fee and Immigration Skills Charge (ISC).
Candidates are responsible for their own visa application fee and Immigration Health Surcharge (IHS), payable directly to the UK Home Office.
What We Offer
Benefits
At ANNA, we celebrate a flat organisational structure. Below are some highlights of life and benefits at ANNA:
Life at ANNA (flexible by design)
- Flexible working — focused on trust, autonomy and outcomes
- Remote or hybrid working, depending on role
- Work from anywhere for up to 3 months
- Support towards home working equipment
- Flexible hours for caregiving responsibilities
- Temporary reduced hours / phased returns
Growth & Wellbeing
- Time off for your child’s first day of school (non-negotiable)
- Growth Shares employee share options
- Mental health support:
- Trained Mental Health First Aiders
- Perkbox Employee Assistance Programme (EAP) + counselling support
- Access to an online GP
Health
- Free Bupa private medical insurance
Wellbeing & Work-Life Balance
- On-demand wellness content
- Menopause support (policy + practical adjustments)
Financial Wellbeing
- Salary sacrifice pension contributions
- Workplace nursery salary sacrifice
- Perkbox discounts & rewards
Rewards
- Cycle to Work scheme
- Salary sacrifice for Home Working and Tech equipment
Travel & Learning
- £1,000 annual personal travel allowance
- £1,000 annual personal learning allowance (including non-work learning)
Parental & Family Leave
- Enhanced parental leave
- Adoption leave
- Compassionate family leave (for pregnancy loss or other family emergencies)
Health & Dependants
- Emergency dependent leave
Belonging & Connection
- Monthly team brunches
- Team-building events
- Free drinks & snacks in the office
A Quick Note on Applications
We’re expecting a high level of interest in this role, so while we may not be able to respond to every individual question, we’ll keep candidates updated throughout the process and aim to get back to everyone, good or bad.
Staying Safe When Applying
- We’ll never ask you for money, bank details, or sensitive personal information.
- All official communication will come from an @anna.money email address.
- If something raises concerns, don’t hesitate to check with us.
Connecting with Recruiters
We do not accept unsolicited CVs from agencies. If you’re a recruiter, please only send candidates we’ve approved to work together for a specific role.
Equal Opportunity
ANNA is an equal-opportunity employer. We hire based on ability, potential, and what you can bring to the team. If you require any adjustments during the process, please inform us. We’re happy to accommodate.
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