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Rain

Senior Backend Engineer

London
Posted 1 day ago
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Rain is the world's first AI Financial Health Platform

Rain is the world's first AI Financial Health Platform, serving 3.5 million employees at leading organizations like McDonald's, Marriott, and T-Mobile. Rain works in the background to optimize every employee's financial life to prevent shortfalls and build long-term stability. Backed by top investors including QED and Prosus, Rain has raised $150M in venture funding to fuel our next stage of hyper growth.

We are looking for a Senior Software Engineer in EMEA. This position is remote. The candidate will be responsible for managing various areas of our backend platform, including API integrations with 3rd-party vendors and partners.

As a Backend Engineer you will play a central role in making it easier for users to access Rain and build products that help users maintain positive cash availability. You will work with our international product and engineering teams to manage products in the interception of the banking, payroll and timekeeping domains. Our ideal candidate is excited to tackle tough technical challenges and looking for opportunities to contribute to our strategic thinking

What You’ll Do

  • Translate product requirements into robust technical solutions, recommend alternative approaches, and lead engineering efforts to meet ambitious targets
  • Design and implement reliable systems and applications in a fully distributed micro-services architecture
  • Build and maintain integrations with 3rd-party vendors and partners
  • Design and implement highly available RESTful APIs supporting user-facing web and mobile applications
  • Focus on creating reusable code and libraries that ensure scalability for future projects
  • Enforce observability best practices, leveraging tools like logging, metrics, and alerting systems
  • Create and maintain detailed technical documentation (architecture designs, APIs, workflows, and system configurations)
  • Continuously monitor systems for opportunities to maximize performance and scalability

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

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

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.

Who You Are

  • You have at least 5 years of professional experience as an engineer
  • You have a strong ability to take ownership of projects, driving initiatives from concept to completion, while proactively identifying challenges and solutions
  • You have excellent cross-functional collaboration and communication skills
  • You’re familiar with complex large scale distributed systems

Required Technical Qualifications

  • Proficient in backend languages: Go/Golang, Python
  • Strong expertise in designing and developing RESTful APIs
  • Expertise in SQL and NoSQL database technologies, including data model design and optimization
  • Proven experience at building reliable and scalable user-facing applications
  • Proficiency in message queuing systems such as Kafka (preferred), RabbitMQ, or Flink
  • Familiarity with Cloud technologies: AWS/Azure/GCP, serverless, Docker, Kubernetes, ECS among others
  • Effective release management experience for ensuring zero downtime and experience with CI/CD frameworks such as Gitlab CI and Github actions

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Diversity, Equity and Inclusion Commitments

As part of our dedication to the diversity of our workforce, Rain is committed to Equal Employment Opportunity and does not discriminate based on race, religion, color, national origin, ethnicity, gender, sex (including pregnancy), protected veteran status, age, disability, sexual orientation, gender identity, gender expression, or any unlawful criterion existing under applicable federal, state, or local laws. If you need assistance or accommodation due to a disability, you may contact us at HR-US@rain.us.

What’s Next

Ensuring a smooth and enjoyable candidate experience is critical for us. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility.

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Skills

Go/Golang
Python
RESTful APIs
SQL
NoSQL
Kafka
RabbitMQ
Flink
AWS
Azure
GCP
Serverless
Docker
Kubernetes
CI/CD
Microservices

Location

London, England, United Kingdom

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