Senior Frontend Developer

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B2B contract

100 - 120 PLN

Net per {frequency, select, HOUR{hour} MONTH{month} other{}}

Employment contract

16 000 - 20 000 PLN

gross per {frequency, select, HOUR{hour} MONTH{month} other{}}

Used Technologies and Requirements

Must have
  • Angular 5+ (3 year EXP)
  • JavaScript (3 year EXP)
  • HTTP protocol (3 year EXP)
  • RESTful API (3 year EXP)
  • HTML (3 year EXP)
  • CSS (3 year EXP)
Nice to have
  • Mocha
  • Chai
  • AWS

Work Conditions

Job type:Full Time Job
Contract Type:Employment / B2B
Work hours:8h per day / 40h a week
Preferred Office hours:08:00 - 20:00
Contract duration:Permanent
Possibility of remote work:
1 day in a week, to be agreed with Technical Team Leader
Delegation involved:0
Aleje Jerozolimskie 61,
Warsaw, Poland

About Project

Start date:ASAP
Project team size:20-50
Project Industry:Media, E-commerce, Digital
office desk

Cosmose is a fast-growing software company on a path to revolutionize the $600BN advertising industry. Its OMNIcookie, a cookie for the physical world, reaches 1 billion smartphones in Asia. Cosmose achieves its two meters location accuracy, with no beacons, no hardware and no installation. Cosmose delivers results for the world’s biggest luxury and cosmetics brands, including L'Oreal, LVMH and Cartier. We're looking for experienced and talented Frontend Developers to join us. You'll be part of a growing team, crafting our front-end infrastructure and delivering value to our customers. Joining us - means working with strong, smart and innovative team located in our Warsaw office. We ask hard questions and challenge each other to constantly improve our work. Our approach is grounded in lean and agile ways of working, and includes engineering practices such as continuous integration, microservices, unit tests, one command deployments, good quality code reviews. We use only modern tech stack (Angular 6) and DON’T have legacy code. Our infrastructure is based on Amazon Web Services.


A1 A2 B1 B2 C1 C2 Native

Other requirements

* 3 years of experience as a front-end developer building large scale web software, * real passion for collaboration and strong interpersonal skills - we are a close knit team and work together to solve problems, * proactive attitude - we hire people that have a strong desire to do better and be better, * experience working with agile software development methodologies (Scrum).


Training budget
Language courses
Integration events
Game console
Bike parking
Good coffee
Free drinks
Free snacks

Other Benefits

Referral bonuses

Senior Frontend Developer

Cosmose sp. z o. o.