Golang / Go Job: Senior Backend Engineer

Senior Backend Engineer at Rain

Remote › 🇪🇺 100% remote position (in European timezone)   (Posted Oct 18 2026)

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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

Please mention that you found the job at Golangprojects.com

Apply now!