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LemFi

Senior Platform Engineer

London
Posted 1 day ago
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LemFi (Series B)

LemFi is building the go-to financial app for the Global South.

Moving to a new country shouldn’t mean starting from zero. That's why our team of 400+ spanning 20+ countries is building a financial ecosystem that helps immigrants stay connected to home, build stability, and create wealth regardless of where they are from or where they live.

What began as fast, affordable remittances is now evolving into a complete platform for multi-currency accounts, payments, credit, and long-term financial growth.

With millions of users across the globe, we process over $1B in monthly transactions to 30+ countries, proving that borders shouldn't limit financial opportunity.

About The Role

LemFi is the financial engine for people the world wasn't built to serve. We move money, store it, lend it and protect it across ~21 countries - and the platform team is the force multiplier that lets every other engineering team do that at pace. This is the only platform hire we are making this year, which tells you how much we expect from this person.

You will design, build and own our internal developer platform: a self-service, AI-powered environment that treats internal engineers as your customers and makes their experience of building on our cloud infrastructure genuinely fast and frictionless. You will touch everything from cloud cost efficiency to developer tooling to the golden paths that let product teams ship without waiting on ops tickets. If you have strong opinions about what great platform engineering looks like and a track record of building things from scratch, not just operating what someone else designed, this is the role.

What You'll Build And Own

  • Design and build a self-service internal developer platform - golden paths, templates, guardrails - so engineers can provision, deploy and operate services without raising a ticket.
  • Embed AI-driven automation into the platform: intelligent cost optimisation, anomaly detection, auto-remediation and developer productivity tooling that actually gets used.
  • Own cloud infrastructure on AWS - architecture, cost efficiency, reliability and security posture - with clear metrics and accountability for outcomes, not just uptime.
  • Act as the internal product manager for the platform: talk to engineers regularly, collect requirements, prioritise by impact on developer velocity and run a visible roadmap.
  • Set and enforce platform standards - IaC, CI/CD pipelines, observability, secrets management - turning good practice into the default, not the exception.
  • Identify and fix the biggest sources of friction in the engineering workflow, using data to prioritise and presenting findings to engineering leadership.
  • Work lean and autonomously: this is a high-ownership role on a small team, so you will need to push things to production yourself, not coordinate others to do it.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

Start with a chat, not a search bar

Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

P

Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

Your Experience

  • Proven track record building an internal developer platform or developer experience function from scratch - not just maintaining one someone else built.
  • Deep AWS expertise: you have designed cost-efficient, production-grade cloud architectures and you can defend every line of your Terraform.
  • Strong DevOps and platform engineering fundamentals: Kubernetes, CI/CD, observability stacks, IaC, and the judgement to know when to use each.
  • Experience treating internal engineers as customers - gathering requirements, running a backlog, measuring adoption - not just shipping tools and hoping people use them.
  • Comfortable working without a spec: you have operated in fast-moving environments where you set the direction as much as you follow it.
  • Proficient in at least one scripting or backend language (Python, Go, or equivalent) and confident building automation and tooling, not just configuring managed services.
  • You actively build AI-powered tooling into platform and infrastructure workflows - cost anomaly detection, intelligent alerting, automated runbooks - not just use AI in your editor.

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Nice to have

  • Previous fintech or regulated-industry experience where security and compliance constraints shaped your platform decisions.
  • Hands-on experience with platform engineering frameworks such as Backstage or Port, or building a comparable internal portal.
  • Exposure to multi-region or multi-currency infrastructure at scale, ideally serving markets in Africa, Europe or the Americas.

Why Join LemFi?

Love shouldn’t be expensive, yet those working hardest for their families often face predatory fees and banking exclusion. We're changing this.

At LemFi, you won’t be just a cog in a machine. Whether designing products, scaling operations, or telling our story, you’ll tackle complex challenges with real, immediate impact. Your work goes beyond metrics - it puts money back in families’ pockets and offers access to the previously excluded. Join us to make a meaningful difference, where high performance is a lifeline for millions.

You can connect with us on LinkedIn and Instagram and if you haven't already, download the app on the App Store or Google Play.

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Skills

AWS
Terraform
Kubernetes
CI/CD
Infrastructure as Code
Python
Go
Observability
Secrets Management
Platform Engineering
DevOps
AI-driven Automation
Cloud Architecture
Developer Experience
Backstage
Port

Location

London, England, United Kingdom

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