Lemon.io: Senior .NET Full-stack Developer

Mosaec; New York, Northern (NY, KY); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote work flexibility

Direct client communication

Project matching by platform

No client hunting

Support through onboarding

Job summary

Lemon.io in the United States is seeking a Senior Developer for remote work. You’ll collaborate with startups across the US and Europe to deliver high-quality software, while the platform handles client acquisition and rate negotiation.

The role emphasizes autonomy, minimal supervision, and direct communication with clients. You’ll choose projects, set schedules, and build scalable apps using .NET, React, and TypeScript in a remote-friendly environment.

Qualifications

• 4+ years of commercial experience in software development.
• 3+ years of commercial experience with .NET.
• 3+ years of commercial experience with React.
• Expertise in TypeScript is required.
• 2+ years of experience with Microsoft Azure is a plus.

Skills

4+ years software development

3+ years .NET

3+ years React

TypeScript expert

Azure experience

Tools

Azure

Job description

Headquarters:

New York, NY

URL:

https://lemon.io

Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.

What we offer:

• The rate depends on your seniority level, skills and experience. We’ve already paid out over $11M to our engineers.
• No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
• We’ll manually find the best project for you according to your skills and preferences.
• Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
• We respect your seniority so you can expect no micromanagement or screen trackers.
• Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
• We will support you from the time you submit the application throughout all cooperation stages.
• Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
• Through our community, we will connect you with the best developers from more than 50 countries.

Currently, we have multiple requests, so please check the requirements.

Requirements:

• 4+ years of commercial experience in software development
• 3+ years of commercial experience with .NET
• 3+ years of commercial experience with React
• Expertise in TypeScript is required
• 2+ years of experience with Microsoft Azure is a plus

You should also have:

• Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
• Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
• Strong self-organizational skills — ability to work full-time remotely with no supervision.
• Reliability — we want to trust you and expect that you won’t let us and the client down.
• Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.

NOT YOUR TECH STACK?

We’re placing Senior Developers (4+ yrs commercial experience) across AI Agent Architecture, AI Automation Architecture, AI Engineering, Site Reliability Engineering, Platform Engineering, React & Python, React & Golang, Golang, React & Java, React & Ruby, Ruby, PHP & Vue, Vue & Node.js, Android & iOS, iOS & Swift, Flutter & Firebase, Solutions Engineer, Blockchain (Ethereum/Ethers.js/Wagmi/Viem/Solana), Angular & Node.js, Vue & .NET, Python & Vue, DevOps, MLOps, Data Science, Angular & PHP, Angular & .NET, Symfony & React, Symfony & Vue, Symfony & Angular, Python, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Data Engineering, Project Management, Product Management, QA Automation, QA Manual, Embedded Software Engineering, React Native & Node, React Native & React, React Native & Ruby, React Native & Python, WordPress, Android, Data Annotation, Angular, Python & Node, React & Node.js, Java & Spring, Svelte & Python, Svelte & Node.js, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, PHP & Laravel, UI/UX Design, Animation, Graphic Design, React & Node & React Native, .NET & C#, Electron, Scala, C++, Unreal Engine & C++, Python & LLM, Unity, or Machine Learning Engineering and more. Reach out and we’ll match you.

P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada, and the UK. However, we have some exceptions.

At the moment, we don’t have a legal basis to accept applicants from the following countries:

• European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
• Latin America: Cuba and Nicaragua
• Most Asian countries and Africa.

We expand and shorten the list of exemptions regularly.

Source
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