Senior Backend Engineer at Rain

Cargo Senior Backend Engineer
Publicado 28 Feb 2026
Expirado 30 Mar 2026
Empresa Rain
Localização Portugal | PT
Tipo de Contrato Full Time

Descrição da Função:

Últimas informações de emprego de Rain para o cargo de Senior Backend Engineer. If the Senior Backend Engineer vaga em Portugal corresponde às suas qualificações, submeta a sua candidatura ou CV atualizado diretamente através do portal Jobkos.

Tenha em atenção que candidatar-se a um emprego exige o cumprimento de requisitos da empresa. Esperamos que a oportunidade em Rain para o cargo de Senior Backend Engineer abaixo seja adequada ao seu perfil.

Rain is the fastest-growing earned wage access (EWA) fintech in the U.S. We serve 2.5 million employees and are backed by top investors like QED and Prosus. We have raised nearly $400M in funding, including the largest Series A in fintech history, and recently closed our Series B to fuel our Seguinte stage of hypergrowth. Our platform helps people avoid unnecessary financial stress while helping employers boost retention, productivity, and employee well-being. We’re driving a movement toward financial freedom, and we are just getting started.

Senior Backend Engineer – Rain Instant Pay (Remote, EMEA)

We are looking for a Senior Software Engineer in EMEA. This Cargo 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 with our Enterprise Tribe you will play a central role in helping Rain become the #1 platform for financial wellness by focusing on data integration, data ingestion, and payroll processing. You will work with our product and engineering teams to provide financial freedom to over 1 million employees by managing the data ingestion of over 10 million timekeeping records per day. 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, and/or C++
  • 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
EEO Statement

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 Contactos at .

Interview Process

We aim to get back to you regarding your application within 10 business days. 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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Informação da Vaga:

  • Empresa: Rain
  • Cargo: Senior Backend Engineer
  • Local de Trabalho: Portugal
  • País: PT

Como enviar a sua candidatura:

Após ler e compreender os critérios e requisitos mínimos explicados na informação da vaga Senior Backend Engineer at the office Portugal acima, prepare de imediato os documentos de candidatura, tais como carta de apresentação, CV, cópia do diploma e outros anexos. Envie através do link 'Próxima Página' abaixo.

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