Senior Backend Software Engineer (TypeScript, NestJS/Node.js) (m/f/x)

Atolls; United States; Remote; USD 130,000 - 185,000; Full time

Benefits offered by this job

Learning budget

Mental health coaching

Flexible work arrangements

Regular team gatherings

Potential sabbatical after 3 years

Job summary

Atolls is seeking a backend-focused engineer to build and scale services for account, savings, and rewards. You’ll design secure authentication, self-service account management, and fraud prevention while delivering resilient systems with minimal friction for users.

You’ll collaborate with product and engineering teams, implement robust tests and documentation, mentor peers, and help steer technical direction and architecture in a fast-paced, remote-friendly environment.

Qualifications

• Six+ years of software development experience.
• Strong backend and cloud-architecture knowledge; AWS or comparable cloud.
• Understanding of REST APIs, event-driven microservices and patterns.
• Experience with relational and NoSQL DBs; DynamoDB/Elasticsearch/SQS/SNS.
• Structured, analytical problem-solving with clean code, tests, docs.
• Familiar with Agile/Scrum, DevOps, Docker, GitLab, and CI/CD; good English.

Responsibilities

• Design and develop backend applications using TypeScript, Node.js, and NestJS.
• Build and maintain integrations with third-party APIs and messaging systems such as SQS and SNS.
• Improve service performance and resolve complex backend issues affecting the user experience.
• Apply security practices and establish standards for tests, documentation, and maintainable code.
• Collaborate with product and engineering teams to deliver reliable backend capabilities.
• Mentor teammates and contribute to architectural decisions.

Skills

Backend development

Cloud architecture

REST APIs

Agile/Scrum

Problem solving

Tools

TypeScript

Node.js

NestJS

AWS

DynamoDB

Elasticsearch

SQS

SNS

EventBridge

Docker

GitLab

CI/CD

GraphQL

Job description

Role overview

Build and scale backend services for customer account, savings, and rewards experiences. The role focuses on secure authentication, self-service account management, fraud prevention, and resilient services that reduce friction for users. You’ll work with product and engineering partners and contribute to technical direction as well as implementation.

Responsibilities

• Design and develop backend applications using TypeScript, Node.js, and NestJS.
• Build and maintain integrations with third-party APIs and messaging systems such as SQS and SNS.
• Improve service performance and resolve complex backend issues affecting the user experience.
• Apply security practices and establish standards for tests, documentation, and maintainable code.
• Collaborate with product and engineering teams to deliver reliable backend capabilities.
• Mentor teammates and contribute to architectural decisions.

Requirements

• At least six years of software development experience.
• Strong backend development and cloud architecture knowledge, including experience with AWS or another major cloud platform.
• Understanding of REST APIs, event-driven systems, microservices, and common software design patterns.
• Experience with relational and NoSQL databases, plus cloud services such as DynamoDB, Elasticsearch, EventBridge, SQS, or SNS.
• A structured, analytical approach to problem-solving and a commitment to clean code, automated tests, and clear documentation.
• Familiarity with Agile or Scrum, DevOps practices, Docker, GitLab, and CI/CD; good English communication skills.

Nice to have

• Experience with GraphQL, federation, or Supergraph concepts.

Benefits and work setup

• Based in Paris with a hybrid arrangement, or remote from France.
• 32 days of paid leave plus a day off for your birthday, a learning budget, internal training, and mental health coaching.
• Flexible work arrangements, regular team gatherings, opportunities for internal mobility, and the possibility of a sabbatical after three years.