tawk.to, the world's #1 business messaging application is expanding its engineering team and is seeking an experienced Backend Developer, with research and data analysis skills, to help shape the future of business communications.

Every day we get to build an array of awesome systems at scale, including search, concurrency, content organization, real-time metrics, deployment, and event-driven, low-latency, concurrent apps. Our current systems are mostly built on Node.js.

We focus on fast, iterative development (over 200+ deployments just last month), and collaborative, interactive programming. Developers work within small cross-functional teams of 3-6 crew that rely on one another to champion their project goals and in setting their own priorities are expected to build and deploy applications quickly and iteratively.

Day-to-day responsibilities:

Participate in brain-storming sessions about software development and architecture
Develop, deploy and test Node.js based micro-services based on a set of requirements
Participate in code review of other fellow developers
Provide support for fellow developers and end-users

Qualified candidates:

Experience server-side JavaScript programming (Node.js)
Experience using NoSQL databases (MongoDB / Cassandra / Elasticsearch or others)
Experience in-memory key-value stores (Redis / MemCache or others)
Strong Linux knowledge
Strong knowledge of the protocol
Proficient understanding of code versioning tools (Git)
Experience writing unit tests
Good command of English (written and spoken)

Required qualifications:

10+ years of back end experience.
Working knowledge of TypeScript
Experience in Test-driven development
Experience with Agile/Scrum/Pair programming methodologies
Knowledge of front-end technologies is a plus
Academic background in computer science
Ability to work on weekends and public holidays as part of the job requirements.

What we offer:

We are able to offer a competitive salary, depending on your experience and demonstrated capabilities.

Why tawk.to is a great place to work?

We are a highly motivated, friendly, and globally distributed team. Our company has grown but we're still a small team, so everyone that delivers in their area can have and make a big impact, and there are career growth opportunities for our highest achievers.

Senior Node.JS Back End Developer - (Weekend Support)