SECTION I · THE BRIEF
Brief #00770Updated 23 AUG 2026LISBONAshbySOFTWARE COMPANIES
Employbl Company Profile

Senior Backend Engineer

Rain is the fastest-growing early wage access and financial wellness benefit vendor globally. With operations in the U.S., Brazil, and India, Rain provides a voluntary employee benefit that is free for employers to…

Location
Lisbon
Company size
200–500
Posted
2w ago
Via
Ashby
Section II · Full ProfileFree with an account
  • 01Comp band & equity packageLocked
  • 02Seniority & experience requirementsLocked
  • 03Interview process & rubricLocked
  • 04Hiring manager & team contextLocked
  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked

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Rain Instant Pay logo

Senior Backend Engineer · Rain Instant Pay

View company profile
Job title
Senior Backend Engineer
Job location
Lisbon, Portugal
Job description

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

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

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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Where this role is based

Lisbon

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Rain Instant Pay headquarters

Burbank, CA

Company size

200500 employees

Founded

2019

Total raised

$557,600,000

View company profile ↗

Funding rounds