Senior Fullstack Developer

Hey there! I'm Eean, the founder of Agency Assassin.Â

We help businesses dominate Google Maps rankings, working with thousands of companies and hundreds of digital agencies. Our tools give agencies a competitive edge, making their clients more visible and successful.

We’re a fast-moving, tech-driven company where innovation and strategy go hand in hand. Our team thrives on competition, and we take pride in outpacing trillion-dollar companies with our cutting-edge systems. If you love problem-solving, building powerful tech, and making an impact, you’ll love working with us!

We’re looking for a Senior Fullstack Developer who is highly skilled in JavaScript development and thrives in a competitive, fast-paced environment. You’ll be managing and extending multiple products, developing JavaScript apps using our custom MERN stack, and collaborating on strategies to refine and improve our architecture.

In this role, you will:

Manage and extend multiple products and their APIs
️ Develop and maintain JavaScript apps built on a custom MERN stack
Support and mentor less senior developers as their responsibilities grow
Collaborate with our Product Owner on new strategies and solutions

This is a full-time role with somewhat flexible hours, but you’ll need to be available for our core collaboration time from 8 AM - 12 AM MST, Monday to Friday.

Requirements

To excel in this role, you need:

✅ 5+ years of experience with Javascript & 3+ with MERN stack - MongoDB, Express.js, React & Node

✅ Strong experience with stateless API-driven components

✅ Experience with Playwright or other testing engines is a plus

✅ Knowledge of Docker and containerization in a Linux environment

✅ Strong experience with stateless API-driven components

Brownie points for:

⭐ Proficiency in PostgreSQL and server-side templating

⭐ Knowledge of cloud technologies like Vultr or AWS

We’re looking for someone deeply focused on tech and obsessed with competition and performance.

You should be excited about building better architecture, improving systems, and creating real competitive advantages.

If you thrive in an environment where ownership and initiative are valued, this is the role for you.

Benefits

What’s in it for you?

$6,000 - $6,500 per month (higher for strong architectural experience)*

⏳ Full-time & fully remote

20 days PTO per year

⚡ Flexible work schedule

Empowering atmosphere with ownership and growth opportunities

*Please note that this is a gross salary and that you are responsible for any tax-related procedures in your country of residence. We kindly ask you to apply only if you are happy to work remotely as an independent contractor.

The JobRack team is working with Agency Assassin to help them find their new team member.Â

The hiring process for this position will include the following steps:

1 - Filling in the application form once you click “Apply”

2 - Upload your CV

3 - Short interview with a technical recruiter

4 - Coding test, if short-listed

5 - Attending video interviews with the hiring company where you will have the opportunity to talk more about your previous experience and the new role

The JobRack team has gained a full understanding of Agency Assassin’s needs and will review, filter, screen and test candidates in line with this.

To ensure your application is considered, take the time to carefully read the job description and submit a high-quality application.

We will, of course, provide you with feedback throughout the process.

At the request of Agency Assassin, applications for this position must be submitted through JobRack and direct contact with the employer is not allowed.

Please note that this position requires 100% commitment and is not suitable for those seeking a side job, freelance work, or part-time employment. It is important to only apply if you intend this to be your primary and only full-time job. Any attempts to work multiple full-time jobs without the knowledge of your employer may result in termination and a ban from applying to other jobs on the JobRack site.

Got questions about working remotely? Check out JobRack’s FAQ for answers to everything you might want to know. https://jobrack.eu/jobseeker-faq

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