Software Developer

Due to strong and rapid growth Picosun Ltd. is now looking for a Senior Software Developer for full-time and permanent employment.

Job description

As a skilled and experienced software developer, you would work as a part of Picosun’s PicoOS automation platform development team. The team is responsible for developing and delivering automation and software to Picosun’s newest ALD solutions.

Depending on your expertise and interests, your work would consist of HMI development with Beckhoff TwinCAT3, ReactJS, Typescript and C#. We organize our work by using Scrum and JIRA, and source code repositories are in Git.

Working takes place mainly in Picosun’s headquarters in Kirkkonummi. We also support remote working. Deployments, upgrades, and trainings takes place normally in customer premises, so in the future once Covid-19 situation allows you need be ready to travel occasionally. Picosun’s customers locate mainly in Asia, Europe, and North America.

Your role will be formed based on your interests, skills, experience, life situation and current projects.

Requirements for Senior Software Developer

We hope that you have an applicable degree in engineering or science (bachelor, master, or doctor) and some experience with developing user interfaces for industrial applications.

Ideally you would have strong know-how in developing modern human-machine user interface with TwinCAT3 HMI and ReactJS. Experience from modern web technologies and ability to do UI/UX designing are advantages for you when applying to this role.

Experience and understanding software and system architecture designing, object-oriented programming and practical know-how in SQL databases would be beneficial in this role. 

In near future team will have chance to work with modern and interesting topics like DevOps, cloud computing and machine learning.

We use English in our daily communication, so Finnish skill is not mandatory. Other language skills are naturally seen as big asset as you would also work in customer interface.

What we can offer

Picosun is modern and agile growth company and we provide world class ALD solutions for our customers all around the world. At Picosun we appreciate diversity, quality, and positive can-do attitude.

We offer competitive salary, versatile benefits, and possibility to enter Picosun’s bonus program.

Additional information

We aim to fill the vacancy as soon as possible and therefore start reading the applications immediately, so please do not hesitate to apply soon. If you have any questions about the role or recruitment process, please contact Poolia IT’s Senior Recruitment Consultant Sigrid Puhilas-Ikonen via email or tel. +35820 729 0839.


Picosun is a leading supplier of high-quality Atomic Layer Deposition (ALD) thin film coating technology for semiconductor and other industries. PICOSUN® ALD equipment portfolio ranges from fully automated, SEMI compliant batch and cluster systems for high volume manufacturing to smaller scale R&D and pre-pilot production tools. Production-proven coating solutions for IC, MEMS, LED, sensor, and 3e most comprehensive process support and customer care. Picosun’s HQ is based in Masala (Kirkkonummi), Finland with subsidiaries in the US, Germany, Singapore, China, Taiwan, and Japan, and a global sales and support network with distributors and representatives in over 30 countries. Today, PICOSUN® ALD process tools are in daily production use at several leading industries and high-level research organizations across the world.

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Sigrid Puhilas-Ikonen

p. +358 20 729 0839