Jussi Hallila

9x Full-stack software engineer

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I am a full-stack web developer with vast experience on Spring framework and modern frontend web application development. In my previous positions I have modernized frontend development codebases and architecture decisions to conform industry best practices. I have been the lead contributor to core products on both backend and frontend side of applications. I am an expert on transforming older legacy Java based web applications to more modern Javascript based web development standards, including build processes, testing and frontend application architecture. I also have lots of experience on bringing in automation and smarter way of working. I have introduced and coached DevOps & ChatOps practices as well as development processes, including more formalized code quality measures and more effective strategies around development and delivery. For my hobbies I like to keep up with latest trends in technology. Most of my free time is spent developing various Node.js, Kotlin and React applications for my own entertainment. I prefer developing in an agile environment where communication between team members and customers is fluent and honest. I have a passion to learning and following industry best practices. I have a strong drive for innovation and making things easier as well as automation and doing things a smarter way.

Dublin (+00:00)

Finnish, English

EXPERTISE

JavaScript

- 5 years experience

Innovation driver and lead frontend dev in previous full time employment. Driving Java-JSP webapps towards modern web application architecture and processes around that.

Node.js React Build process Webpack ES6-ES2015

Java

- 5 years experience

Many years of Java development experience especially in Spring MVC space. Mentoring developers on good application architecture and structure. Defining best practices around objects, data flow and validation.

Mvn Functional Spring Kotlin Hibernate Jdbc Gradle Api

- 2 years experience

2,5 years of experience building Jenkins Continuous Integration systems and setting up pipelines, maintaining Linux systems for development processes and automating deployments, builds, testing and releasing.

Amazon web services Jenkins Ansible Linux

Kotlin

- 1 year experience

All my side projects are done in Kotlin. I have created a Prometheus library and an API service webapp with Ratpack with it. Kotlin is my go to language nowadays on projects where I run on the JVM.

Spring Spring boot Kotlin Gradle

POSTS BY JUSSI

Introduction to Kotlin: Part 3

Extension functions, higher order functions, generics, and delegates

Kotlin Android Higher order functions Generics

Introduction to Kotlin: Part 2

Collections, lambdas, null safety, and types

Kotlin Android Collection Lambdas Types

Introduction to Kotlin: Part 1

Syntax, variables, functions, and classes

Kotlin Android Jvm Syntax Variables