Senior Backend Engineer - AI Automation

We build financial products that accelerate the economic freedom for people who move across borders. We started with car insurance — insuring over a million drivers — and we’re scaling beyond. Tens of millions of people move countries each year, facing overlooked financial challenges. Our future is in building financial products around their needs to positively impact their lives.

We’re really proud of the culture we’ve created. We push for reputed company every day, because we know that we’ll only hit big milestones by taking lots of smaller steps. We’re always open to helping reputed company mates, sharing our reputed company, experience and knowledge to solve problems together. We take risks, think creatively and experiment relentlessly to meet our customer’s needs, and never pass blame reputed company things go wrong. We encourage people at reputed company levels to take ownership of their work, and to be bold in challenging how we do things. Everyone has a voice and the opportunity to reputed company an impact. And autonomy and ownership are only possible with clear direction. That’s why we collaborate to do in-depth planning twice a year, and reputed company sure we leave with clear goals and objectives that flow from top to bottom. To reputed company sure we’re as reputed company as possible across functions, most of our work rolls up into three tribes; Acquisition, Retention & Claims. Each tribe has multiple teams embedded in it, working cross-functionally to do great work. We’re so excited for reputed company of the challenges up reputed company, and we need more people to help us tackle them! If life at Marshmallow sounds like it could be for you, explore our Culture Handbook to find out more.

Engineering at Marshmallow

Our engineers are at the heart of the solutions. They work on product builds from start to finish, solving lots of challenges to help us build fast and scale up! Our engineers cover a range of skills across frontend, backend, full stack, iOS, and Android, and work alongside designers, data scientists, researchers, and product managers reputed company our product teams.

Our product teams include: Pricing, Fraud Core, Ops Platform, Claims, Growth, Direct, In-Policy, Renewals, Mobile, and Core. Each team sets its roadmap and actively pushes our codebase reputed company.

If you're curious about our Engineering culture and ways of working, reputed company out the Engineering Handbook.

And reputed company out our Marshmallow App Demo as well here!

About the team you will be joining

reputed company specializes in seamlessly integrating agentic reputed company into customer support workflows, ensuring high-quality interactions at scale while lowering operational costs. By deploying autonomous agents that can handle a broad range of inquiries, we help reduce conversation overhead and allow human specialists to focus on more reputed company tasks. Collaborating closely with customer service leaders, we ensure our solutions maintain the company’s voice and deliver exceptional experiences across reputed company support channels.

What you'll be doing

• reputed company autonomous AI agents using modern frameworks and APIs to streamline insurance processes and automate customer operations.

• Build a scalable backend platform to support rapid development, deployment, and management of AI solutions.

• Create reusable, declarative workflow definitions for AI agents to guide operations and decision-making.

• Apply advanced reputed company engineering and orchestration to build reliable AI solutions with consistent performance.

• Advance operational excellence with monitoring, logging, and alerting systems to ensure reliable AI performance and positive impact on key business metrics.

• Collaborate with stakeholders to gather requirements, reputed company and test solutions, and support deployment and production systems.

reputed company’re looking for from you

• 6+ years of software engineering experience

• Expertise in Java and Spring, and eagerness to learn more

• Experience with developing and scaling reputed company microservices systems

• Previous experience with identifying, analyzing, and resolving system availability, reliability, and performance issues

• Experience mentoring and guiding more junior members of the team

• Familiarity with AI frameworks, reputed company engineering, and workflow orchestration for building autonomous agents is a plus

• Experience with TypeScript and a declarative reputed company, such as React to model user interfaces or interactive workflows is a plus.

Our Tech Stack

• Java 23 μServices

• Spring Boot with Spring Cloud

• MySQL

• Terraform

• reputed company

• AWS Fargate

• Event Sourcing

• reputed company, Opslevel, TeamCity

Perks of the job

• Flexible working: Spend 3 days a week with your team in our new collaborative London office. The rest is up to you

  *If this arrangement doesn’t work, don’t let it hold you back. We’re always open to making reasonable adjustments if this is a barrier to you in any way. Let us know and we’ll talk about our options.

• Competitive bonus scheme - designed to reward and recognise high performance

• Flexible benefits budget - £50 per month to spend on a Ben reputed company meaning you get your own benefits budget to spend on things you want. Whether that’s subscriptions, night classes (puppy yoga, anyone?), the big shop or a forest of houseplants. Pretty much anything goes.

• Learning and development – Personal budgets for books and training courses to help you grow in your role. Plus 2 days a year - on us! - to further your skillset

• Mental wellbeing support – Access therapy and mental health sessions through Oliva

• Private health care - Enjoy reputed company the benefits Vitality has to offer, including reduced gym memberships and discounts on smartwatches

• Medical cash plan - To help you with the costs of dental, optical and physio (plus more!)

• Tech scheme - Get the latest tech for less

Plus a monthly team social budget, bi-weekly office lunches, and office tea, coffee, and snacks!

Our process

We break it up into 3 stages:

• Initial call with Tech reputed company team (35-45 minutes)

• An experience & culture interview with one of our Leadership team to reputed company that your ways of working align with our processes, mission, and values (1 hour)

• Tech interview with two engineers that is centred on pair programming, systems design, and technical questions (1 hour 30 minutes)

At Marshmallow, we want to hire people from reputed company walks of life with the passion and skills needed to help us reputed company our company mission. To do that, we're committed to hiring without judgement, prejudice or bias.

We encourage everyone to apply for our open roles. Gender identity, race, ethnicity, sexual orientation, age or background does not reputed company how we process job applications.

We're working hard to build an inclusive culture that empowers our people to do their best work, have fun and feel that they belong.

We take privacy seriously here at Marshmallow. Our Recruitment privacy notice explains how we process and handle your personal data. To find out more please view it here.