Senior TypeScript Engineer - Fintech Backend (AWS)

New10; Amsterdam; Hybrid; EUR 78,000 - 102,000; Full time

Benefits offered by this job

Growth with fintech scale-up

Salary €6,596–€8,490 gross (36h)

Pensions scheme

Annual development budget €1,000

NS Business Card & Phone subscription

Apple gear for work

Hybrid work model near Amsterdam

Relocation or interview in NL

Job summary

New10 in Amsterdam is seeking a TypeScript Engineer to strengthen our backend microservices and AWS-based infrastructure. You will work in a feature team on microservices, collaborating with frontend (React) and infra (AWS) knowledge.

You bring strong JavaScript/TypeScript experience, Docker, REST APIs, and event-driven design. The role requires hands-on coding, testing, and on-call rotation, with a hybrid office setup near Weesperplein and collaboration across product, UX, and data teams.

Qualifications

• Extensive experience in JavaScript/Node.js ecosystem; TypeScript preferred.
• Experience with AWS cloud services and serverless architectures (Lambda, API Gateway, DynamoDB, etc.).
• Experience with Docker and containerized applications.
• Experience designing and working with REST APIs and event-driven architectures.
• Python knowledge/experience is a major plus.
• Terraform/IaC experience is a major plus.
• Good knowledge of modern frontend JavaScript frameworks (React preferred).

Responsibilities

• Collaborate on architecture, technical design and the building of applications so that together with fellow software engineers you help to improve the team’s competency.
• Produce clean, stable, fast and well-architected code.
• Own the quality of the code you produce by taking measures to build it in and keep it high. This includes writing unit, integration and E2E tests.
• Own and operate the backend of New10 together with your teammates by rotating through on-call incident management shifts.
• Stay up-to-date with the latest technologies.
• Closely collaborate and ensure alignment with the rest of the team – frontend, Salesforce, PO, business analyst, UX designer and data analyst.

Skills

JavaScript

TypeScript

Node.js

AWS

Serverless

REST APIs

Event-driven architecture

Python

React

Tools

Docker

Terraform

Job description

New10 in Amsterdam is seeking a TypeScript Engineer to strengthen our backend microservices and AWS-based infrastructure. You will work in a feature team on microservices, collaborating with frontend (React) and infra (AWS) knowledge.

You bring strong JavaScript/TypeScript experience, Docker, REST APIs, and event-driven design. The role requires hands-on coding, testing, and on-call rotation, with a hybrid office setup near Weesperplein and collaboration across product, UX, and data teams.