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Senior Software Engineer

Reaktor Tokyo

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EN: business
JP: business
Employment Type
Full time

Job Description

Are you looking to join a diverse team of talented engineers and designers?

We are looking for Software Engineers to join our Japan office that has been officially certified as a Great Place to Work! You will solve juicy digital challenges at scale, share expertise with others, and work closely with Reaktor communities in Lisbon, Helsinki, NYC and Amsterdam.

Reaktor is a creative digital product studio – designing and building tomorrow's digital product. Our Tokyo branch focuses on helping enterprises build digital services using a user-driven, agile approach. We work lean, and swear by prototypes and data, continuous iteration, humble curiosity, and small teams with big autonomy. Our creations cover a wide range of platforms and technologies, including mobile apps, web, IoT devices, VR, robots, and even satellites.


  • Creating beautiful digital service loved by users

  • Planning the software architecture and technology stack

  • Building elegant and robust software using latest technology

  • Automating processes whenever possible

  • Working with our clients in Japan

  • Possibilities to work on our global projects in New York or Europe


  • Strong verbal communication skill and ability to communicate with multiple stakeholder groups both in English and Japanese

  • 5+ years of experience of working in a software engineering role in IT industries or consultancies

  • Experience with both backend and frontend – one may be stronger than the other

  • Worked with multiple technologies (e.g. TypeScript, React, Node.js, Angular) or multiple domains within the same technology (e.g. frontend & backend) and willing to learn & work on the other technologies 

  • Interest and/or experience in agile software development and team work

  • Experience with at least one cloud provider (AWS, Azure, GCP etc.)

  • Understanding of digital service development

  • Hands-on experience with modern technologies

  • Compassion for people and being people centric—both those around you and those who will use what we build. 

  • An understanding that leadership can be shared. Niklas shares his view on No Hierarchy!

About the Company

Reaktor is a creative technology partner for forward-thinking organizations and societies. From premium software development to brand experiences and digital transformation, our global community of industry-leading experts does it all. Our clients are pioneers of digitalization in life sciences, education, retail, media, transportation, finance, and defense, to name a few.

To give you an idea what it’s like working at Reaktor Japan:

  • We believe digitalization can bring unprecedented change to Japan. At Reaktor, you will be fulfilling a key role to help us bring innovative digital services to Japanese enterprises.

  • We create digital services that answer users’ needs without compromising on software quality or execution speed.

  • We support work-life balance. We believe that quality in our work comes from a mixture of experience, passion for the job, and a healthy lifestyle.

  • We have global offices in New York, Helsinki, Amsterdam and Tokyo. You get to learn and share knowledge with other top talent from all over the world. Let's be real though, compared to our established office in Helsinki, we have a smaller setup. Having said that, we work with MNCs like Shiseido, ANA, Mercari to name a few to succeed in their digital ventures.

We really care about our employees and offer:

  • 20 Annual Paid Holidays 

  • Bi-annual company trip 

  • Company Sponsored Team Building Outings and Events

  • Paid On-boarding Trip to Finland 

  • Paid Cellular Phone and Data Plan 

  • Free Company Swags 

  • Endless Snacks and Drinks

  • Casual Dress Code

  • Support For Career and Development Growth

  • One Month of Sick Leave Per Year 

  • Support for Family Situations Including Parental Leave and Working Flexibility

  • Specialty coffee from micro-roasters throughout Japan 

  • Freedom to choose and expense own working tools, including keyboards, mouse, and laptop stands

Steps after submitting your application:

  • Brief chat to say “Hi!”

  • Introduction to Reaktor. We call this the Culture Fit round. Check out what Adam had to say about our interview and see what our colleague has to say about her journey at Reaktor Japan so far.

  • Technical Round. Forget about brain teaser questions, let's have a chat about your source codes!

  • Final Round. We take this opportunity to clarify our mutual expectations

If you believe you are the person we’re looking for, introduce yourself. Tell us your story and what you want to accomplish. Details of any open source projects and your GitHub repository are highly regarded. Drop us a line at about why you’re a perfect fit for this position, and include your CV along with few samples of your work.