Senior Software Engineer – Cloud, Microservices & AWS

Ookla; Finland; On-site; EUR 75,000 - 85,000; Full time

Job summary

Ookla is seeking a Senior Software Engineer to join a tight-knit team building state-of-the-art applications for designing and optimizing Wi‑Fi networks. You will help shape the software stack and architecture, mentor juniors, and contribute to the cloud data and API architecture.

You will work with Java, Spring Boot, Node.js, and TypeScript, with a focus on scalable solutions on AWS and relational databases such as PostgreSQL. Strong English communication is required.

Qualifications

• 6+ years of software development experience.
• Experience with Java, Spring Boot, Node.js, TypeScript.
• Experience with building scalable solutions and microservices on top AWS.
• Experience designing and working with relational databases (e.g. PostgreSQL).
• Bonus points: experience with modern frontend development with e.g Vue.js or React.
• Bonus points: experience with Kotlin, Scala and Terraform.
• Getting things done attitude and a growth mindset.
• Good communication skills in written and spoken English.

Responsibilities

• Adapt and further develop our current web application architecture to support new features that require system understanding covering our proprietary measurement devices’ data and control planes, and corresponding data and API architecture in the cloud.
• Collaborate with product managers, designers, and other teams to deliver high-quality features.
• Mentor and guide junior team members, helping them understand architectural principles, best practices, and effective ways of working.
• Debug, troubleshoot, and resolve technical issues for stable and efficient applications.

Skills

Java

Spring Boot

Node.js

TypeScript

AWS

PostgreSQL

Frontend Vue/React

Kotlin/Scala

Terraform

English

Job description

Ookla is seeking a Senior Software Engineer to join a tight-knit team building state-of-the-art applications for designing and optimizing Wi‑Fi networks. You will help shape the software stack and architecture, mentor juniors, and contribute to the cloud data and API architecture.

You will work with Java, Spring Boot, Node.js, and TypeScript, with a focus on scalable solutions on AWS and relational databases such as PostgreSQL. Strong English communication is required.