Lead Fullstack Engineer - Javascript

PLP Group; Stockholms kommun; On-site; SEK 500,000 - 700,000; Full time

Job summary

A leading tech firm in Sweden is looking for a skilled software engineer to work on scalable solutions using modern technologies like TypeScript, Node.js, and React. You will be involved in the full project lifecycle and collaborate with cross-functional teams to optimize system architecture. Candidates should have robust experience in AWS and distributed systems. Strong communication and project management skills are essential. The company emphasizes a culture of innovation and quality.

Qualifications

• Extensive experience in building scalable systems.
• Strong skills with cloud technologies like AWS.
• Proficient in managing distributed systems.

Responsibilities

• Work on critical problem spaces aligned with business needs.
• Engage in the full project lifecycle from conception to deployment.
• Collaborate with cross-functional teams for system optimization.

Skills

Architecting scalable systems

Proficient in AWS

Distributed systems management

Strong communication

Project management

Tools

TypeScript

Node.js

React

React Native

AWS

Job description

What you will do

• Work on specific problem spaces critical to Klarna's needs, with opportunities to switch teams as both you and our fast‑paced business evolve.
• Work with modern technologies such as TypeScript, Node.js, React, and React Native to build seamless and scalable solutions.
• Utilize cloud technologies, primarily AWS, to develop and deploy services.
• Engage in the full project lifecycle—from conception to deployment and beyond—ensuring projects are delivered on time and to specifications.
• Collaborate with cross‑functional teams across Klarna to align on integration strategies and optimize system architecture.
• Drive an engineering culture within the team, emphasizing innovation, quality, and continuous improvement.
• Proactively identify and mitigate potential issues in our distributed and financial systems.
• Work in small autonomous teams with short release cycles.

Who you are

• Experienced in architecting and building scalable, robust systems across the stack.
• Skilled with cloud technologies, especially AWS.
• Adept in distributed systems, with the ability to anticipate and mitigate issues proactively.
• Independent, able to manage projects end‑to‑end and contribute to technical direction.
• A strong communicator, capable of collaborating effectively across teams and domains.
• Experience mentoring others and contributing to a positive engineering culture.
• Working proficiency and communication skills in verbal and written English.

Awesome to have

• Experience with microservices architecture and event‑driven systems.
• Familiarity with REST and/or GraphQL APIs.
• Experience with tools such as Kafka, Docker, Jenkins, Datadog, or Splunk.
• Experience working in fintech or other regulated environments.