Since 2014, Black Tangent has been building enterprise software from the ground up. Our expertise lies in modelling and building custom next-generation telecom software (BSS/OSS) using faster time-to-market software frameworks. We help medium and large organizations make data-driven decisions through digitalization and automation. Our methods empower our clients by applying the knowledge that exists within their existing organization to open up possibilities to cut costs, support sustainable innovation and create new opportunities.

Note for applicants

We work across extreme scales: projects can run for a couple of weeks to many months and take place either at our offices or on in a customer’s workplace.

We’re keen to recruit full-time team members as well as contract staff with Ruby, Elixir, Javascript and related knowledge. In general, we’re looking for system architects, senior developers, developers, project managers, salespeople, business developers and analysts.

How we operate

Please take a look in our Modus operandi book if you would like to know more about our values and culture.

Current Openings

UX Developer (Singapore / Remote Southeast Asia)

Black Tangent builds software, consults and provides analytical solutions for industry leaders, primarily in the telecom industry.

We are seeking an experienced UX Developer to join our small, cooperative team. We look for people who love building great products and can contribute their own knowledge and experience to the group.

What we look for:

  • T-shaped experience: a breadth of knowledge in multiple domains, and additionally have a deep knowledge of design and user interfaces.
  • Ability to work independently towards a shared goal as part of a team.
  • Interest in using new and old technologies together to build and deliver a complete product, rather than an interest in only one technology or one aspect of an application.


  • Design and develop front-end solutions to address UX issues in enterprise web applications as part of an experienced Agile team.
  • Take ownership of the user experience: ensure the team produces intuitive, productive, thoughtfully designed interfaces.
  • Keep up-to-date with changes in industry standards, consumer expectations, and competing products.
  • Learn the customer's business domain and develop an interest in making the best product possible within that domain.

Qualifications: Must Have

  • 3 to 6 years experience as a software developer building mobile or web applications, including significant experience designing and building complex UIs
  • A strong foundation in the fundamentals of JavaScript (not just jQuery), CSS, and HTML
  • A solid academic background, with at least a relevant undergraduate degree
  • Enjoys start-up style working environments; open to taking on new responsibilities in a fast-changing field.
  • Highly proficient in written and spoken English for direct client communication.


  • Experience with modern JavaScript frameworks (such as React) and CSS pre-processing frameworks (such as Sass or Less).
  • Strong sense of web design and attuned to the fundamentals of user experience, including accessibility.
  • Experience working with Ruby on Rails.
  • Experience with Scrum and Agile development.


  • Be part of a supportive, cooperative team.
  • A flexible working environment with the option to work remotely.
  • A great vacation policy, competitive pay, and benefits based on experience.

Please send your CV and provide an example of your work to to apply.
No recruiters or agencies please!