Senior Full-Stack Developer (MERN) (70% BE / 30% FE)

Confidential

Not specified permanent

Posted: January 30, 2026

Required Skills

Job Description

Hey! I’m Sasha, the Tech Lead at Lemon.io, where cool engineers and awesome startups find their perfect match. Our dev team, a bunch of talented folks (1 full-stack dev (mostly FE), 2 BE devs, 2 QA rockstars, and a UI/UX wizard), is on the lookout for a new buddy to join us. We’re cooking up some magic for our in-house CRM, and we need you to make it happen!

Must have:

4+ years of experience with Node.js

3+ years of experience with Typescript,

2+ years of experience with React/Next.js,

2+ years of experience with MongoDB,

flexibility, responsibility, and problem-solving skills,

a strong sense of ownership, with the ability to proactively identify and solve problems beyond assigned tasks,

Ukrainian.

Will be a huge plus:

Jest and testing,

experience with Inversify or Nest.js,

experience with GraphQL,

Google Cloud Platform,

Material-UI and React-Query.

Tech Stack: Node.js, Typescript, Next.js, React.js, MongoDB.

Tasks and responsibilities:

develop company’s products — at first, an in-house CRM,

collaborate with other developers and teams to create our main product — the marketplace of vetted developers,

actively participate in task discussions by proposing solutions, alternatives, and technical improvements,

contribute to R&D efforts by exploring and suggesting tools, libraries, or approaches that improve development efficiency and product quality.

code review of other team members.

What we offer:

Opportunity to grow in sourcing automation or operations

Startup culture with open communication. Our current eNPS score is 82

Competitive salary in USD

Full remote work with flexible working hours

28 working days of vacation a year

7 days of sick leave

Annual reimbursements for things that matter to us: health, self-development, traveling, home office upgrade, mental wellness etc.

Help with maintaining your Ukrainian PE

I can’t wait to hear your story! Send us a CV and a cover letter through our application form. Looking forward to having you on board! 🚀

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