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Senior Fullstack Developer (MEAN or MERN) - Europe
Altar.ioBelgiumRemotefull_timeVerifiedPosted 24 Nov 2025
About the role
<p><strong>Hello</strong>!</p><p>Are you an experienced <strong>Senior</strong> <strong>Fullstack Developer</strong> <strong>based in Europe</strong> looking to grow in a team of highly skilled, top-talent innovators while working on multiple products in a range of industries?</p><p>If so, Altar may be the right place for you.</p><p>With us, you’ll help entrepreneurs and business leaders build innovative products that transform their industries, from early-stage MVPs to disruptive satellite products.</p><p>You’ll have the opportunity to work with a host of entrepreneurs and business leaders, like an ex-Product Owner of YouTube and a former Managing Director of HSBC. Not to mention, exciting companies like the multi-award-winning regtech startup, Apiax or Coca–Cola.</p><p>As a <strong>Senior</strong><strong> </strong><strong>Fullstack Developer</strong>, you will be working with both the front and back ends of websites/applications. You will provide a complete, end-to-end service for demanding web projects.</p><p>With us, you’ll not be alone working in these cutting-edge technologies. You’ll be among a cross-functional team of seasoned Altarions with expertise in a multitude of sectors, from fintech and marketplace to AI and IoT.</p><p><strong>What You’ll Be Doing:</strong></p><p>As a Senior Fullstack Developer, you’ll be:</p><ul>
<li>Able to collaborate on any phase of the development flow, namely, Database queries, Back-End, Front-End, and DevOps, <strong>with stronger emphasis on Back-End</strong>;</li>
<li>Responsible for writing Unit and Integration Tests for BE and FE Code;</li>
<li>Requirement gathering and project planning rituals.</li>
</ul><p><strong>The Hands-On Experience We Need You to Bring to the Table:</strong><br/></p><ul>
<li>6+ years of experience with Web Application Development, with robust knowledge, experience and at-ease with Javascript-based back-end framewoks (like Node/Express);</li>
<li>Professional experience in working with JavaScript frameworks, such as Angular, React.js or Vue.js;</li>
<li>Experience with traditional Databases, namely MongoDB and PostgreSQL;</li>
<li>Experience writing “single-threaded” Node.js applications;</li>
<li>Some experience with modern CSS Frameworks such as TailwindsCSS;</li>
<li>Fluency in both written and spoken English.</li>
</ul><p><strong>The Extra Experience We’d Love to See:</strong></p><ul>
<li>Experience with writing Python or GO applications;</li>
<li>Experience working with major cloud vendors such as GCP and AWS.</li>
</ul><p></p><p><strong><a href="https://altar.io/tech/" target="_blank">Check our cutting-edge tech stack here</a></strong><br/></p><ul>
</ul><p><br/></p><p><strong>Our recruitment process:</strong></p><ul>
<li>CV screening (ASAP)</li>
<li>Recruiter interview (60 min)</li>
<li>Tech Interview w/ one of our lead developers (30 min)</li>
<li>Tech Interview w/ our VP of Engineering (60 min)</li>
<li>Final interview w/ our CEO (~60min)</li>
</ul><p>We will go through the process as quickly as possible and we'll keep you up-to-date along the way.</p><p></p><p><strong>What you can expect from working with us:</strong></p><p>Full focus on helping you make the most out of life</p><ul>
<ul>
<li>A solid, long-term, independent contractor agreement;</li>
<li>competitive pay that aligns with your experience;</li>
<li>We need you to already live and be eligible to work in any European country.</li>
<li>Flexible working hours;</li>
<li>25 days of paid vacation + Dec 24 and 31 and anniversary day (if during the week).</li>
</ul></ul><p>Full focus on helping you make the most out of your Career:</p><ul>
<li>Detailed career plan with strong growth potential;</li>
<li>Training budget to help you achieve your goals more effectively;</li>
<li>Global projects with industry-leading clients;</li>
<li>A team of top talent innovators and researchers at your side.</li>
</ul><p></p><p><strong> If you got increasingly excited about Altar while reading this, then we’re just as excited about you! Apply now and let’s see if we can make you the next Altarion.</strong></p><p></p><p><strong>#LI-Remote</strong><strong></strong></p>
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