At a Glance
- Tasks: Build scalable AI infrastructure and empower engineering teams with innovative solutions.
- Company: Join Plum, a leading smart saving and investing app with a vibrant team culture.
- Benefits: Enjoy stock options, private health insurance, flexible remote work, and generous holiday allowance.
- Other info: Dynamic environment with opportunities for career growth and a fun, inclusive culture.
- Why this job: Make a real impact in AI while working with cutting-edge technology and passionate people.
- Qualifications: 5+ years in software or backend engineering with strong AI application experience.
The predicted salary is between 60000 - 80000 £ per year.
Hey!
We’re Plum, your smart saving and investing app on a mission to help grow money for life.
Whether you’re stashing the cash for tea and toast in your first home or catching some rays during retirement, Plum’s got your back.
Since 2016, over 2 million people in 10 European markets have set aside more than £2 billion with our clever automation and AI –that’s the magic of Plum!
As recognition for our work, we’ve received awards from the likes of Deloitte, Finder, and more.
That’s all down to our passionate team of 200+ Plumsters, who work around Europe to help us achieve our mission.
And now we’re looking for more brilliant people to join us on our journey.
The Role
As part of the AI Platform team, you will play a key role in building the foundational infrastructure, frameworks, and tooling that enable AI-powered products and capabilities across the organization.
This role requires a high degree of autonomy and ownership, as you'll be responsible for designing scalable solutions that empower multiple engineering teams while ensuring reliability, observability, and cost efficiency.
What are we looking for
- 5+ years of experience in Software Engineering, Backend Engineering, or Platform Engineering.
- Strong experience building and maintaining backend systems and distributed services in production environments.
- Experience designing developer platforms, internal tooling, shared services, or infrastructure that supports multiple engineering teams.
- Hands-on experience building AI-powered applications and services using modern LLM frameworks and agentic architectures.
• Good understanding of modern AI concepts and practices, including
- Large Language Models (LLMs)
- Retrieval-Augmented Generation (RAG)
- Prompt Engineering
- AI Guardrails
- AI Evaluation Frameworks
- Experience with AI frameworks such as Agent Development Kit (ADK), Lang Chain, Lang Graph, Crew AI, or similar.
- Experience working with cloud platforms such as Google Cloud Platform (preferred), AWS, or Azure.
- Strong understanding of system reliability, observability, monitoring, and incident management.
- Experience with Infrastructure as Code and cloud-native architectures.
- Previous experience working within a Platform Engineering team is a strong plus.
Key responsibilities
- Design, build, and maintain a robust, scalable, and cost-effective AI Platform that supports AI initiatives across the organization.
- Develop and maintain internal frameworks, libraries, and services used by multiple product squads.
- Establish and promote best practices around prompt engineering, AI guardrails, and AI evaluation methodologies.
- Build platform capabilities that enable teams to safely deploy, monitor, and iterate on AI-powered applications.
- Configure and maintain tracing, monitoring, observability, and incident management solutions to ensure platform reliability.
- Partner closely with product and engineering teams to understand their needs and provide scalable platform solutions.
- Continuously improve developer experience and platform adoption across the organization.
Tech Stack
- Backend
- Python
- Fast API
- Agent Development Kit (ADK)
- Datastores
- Postgre SQL
- Big Query
- Firestore
- Infrastructure
- Google Cloud Platform (GCP)
- Rabbit MQ
- Terraform
- Monitoring & Observability
- Grafana
- Prometheus
- Langfuse
- incident. io
- Sentry
- What to Expect from Our Hiring Process
At Plum, we value a lot the time you devote to the hiring process, this is why we are always trying to make the process as fast and smooth as possible.
- 30 min. Call with our Talent Acquisition Team. So we understand better your career plan, tell you more about Plum and the role
- 45 min. Call with our Engineering Lead. Brief technical discussion about the role and your skills
- 120 min. Live Coding Call with our Engineers, including System Design exercise and an Implementation phase
- 30 min. Team Call with a Product Manager and a Senior Manager from Engineering, for you to understand the business and envision yourself as part of Plum
- Offer
- Plum's Perks
- Own part of the company you’re helping grow through stock options
- Private health insurance
- Annual training budget
- Plum Premium for free
- Competitive referral scheme
- Flexible approach to remote working: we encourage at least 2 days a week in one of our beautiful offices in London, Athens or Cyprus
- Team breakfasts and team lunches
- 25 days holiday + bank holidays
- 45 work-from-anywhere days to give you flexibility to work your way
- 2 weeks sabbatical after 4 years to take the break you deserve
- Enhanced parental leave
- 1 paid volunteering day annually
• Annual team trip to a surprise destination!
- A fun, inclusive company culture
If you think this sounds like you, don’t hesitate to get in touch!
- Thanks,
- Plum Team
*Plum is an Equal Opportunity Employer.
Plum does not discriminate on the basis of age, race, religion, sex, gender identity, sexual orientation, non-disqualifying physical or mental disability, national origin or any other basis covered by appropriate law.
- All employment is decided on the basis of qualifications, merit and business need
- #J-18808-Ljbffr
StudySmarter Expert Advice🤫
We think this is how you could land Senior Backend Engineer | AI Platform in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Plum or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Plum.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Plum.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Plum that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Backend Engineer | AI Platform in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Plum.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Plum and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Plum
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Plum uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
