{"id":310445,"date":"2026-07-26T14:13:32","date_gmt":"2026-07-26T12:13:32","guid":{"rendered":"https:\/\/startit.rs\/poslovi\/backend-developer-18\/"},"modified":"2026-07-26T22:32:04","modified_gmt":"2026-07-26T20:32:04","slug":"backend-developer-18","status":"publish","type":"post","link":"https:\/\/startit.rs\/poslovi\/backend-developer-18\/","title":{"rendered":"Backend Developer"},"content":{"rendered":"<section class=\"o-section\">\n<div class=\"o-container\">\n<div class=\"c-single-job-content\">\n<div class=\"c-single-job-content__inner\">\n<div class=\"u-content-editor\">\n<h2>About us<\/h2>\n<p>Solflare is one of the fastest-growing crypto wallets in the world. With around 4 million monthly active users and over $20 billion in digital assets secured through our platform, we\u2019re building a powerful gateway to Web3. Founded in 2021, Solflare now has a team of nearly 150 people, with offices in Zagreb, Belgrade, and Novi Sad, plus remote teams across the globe. Our vision is simple but bold: a world where everyone uses a Web3 wallet and has full control over their assets \u2013 achieving true financial independence.<\/p>\n<h2>Our culture<\/h2>\n<p>At Solflare, we\u2019re on a mission to empower people to truly own and thrive \u2013 starting with our own team. We take on bold challenges with curiosity, grit, and a deep sense of accountability. Here, progress means learning fast, solving smart, and showing up for each other without ego. You\u2019ll join a team where we question the status quo, celebrate shared wins, and never settle for \u201cjust good enough.\u201d If you\u2019re excited by growth \u2013 yours, ours, and society\u2019s \u2013 you\u2019ll feel right at home.<\/p>\n<h2>The role<\/h2>\n<p>As a <strong>Senior Backend Developer<\/strong>, you will be responsible for developing and maintaining the backend infrastructure of our applications, ensuring high performance, security, and scalability. You\u2019ll work closely with the rest of the engineering team to tackle complex technical challenges and build solutions that can handle the unique demands of a crypto wallet app.&#xa0;<\/p>\n<h2>Core responsibilities:<\/h2>\n<ul>\n<li>Design and implement scalable and robust backend services.<\/li>\n<li>Develop APIs and integrate third-party services and Solana RPCs.<\/li>\n<li>Manage databases (PostgreSQL, MongoDB) and ensure data integrity and security.<\/li>\n<li>Implement caching mechanisms using Redis for improved performance.<\/li>\n<li>Work with PrismaJS for efficient database access and management.<\/li>\n<li>Deploy and manage applications on cloud platforms (DigitalOcean, Google Cloud Platform).<\/li>\n<li>Utilize BullJS for background job processing and Cron for scheduling tasks.<\/li>\n<li>Write unit and integration tests using Jest to ensure code quality and reliability.<\/li>\n<li>Collaborate with frontend developers and other team members to ensure seamless integration.<\/li>\n<li>Stay updated with the latest trends and technologies in web development and blockchain.<\/li>\n<li>Design and implement a microservices architecture for scalability and maintainability.<\/li>\n<\/ul>\n<h2>Requirements:<\/h2>\n<ul>\n<li>Minimum of 4 years of experience in backend development with a focus on web2\/web3 technologies.<\/li>\n<li>Proficient in Node.js, Express.js, PostgreSQL, MongoDB, Redis, and PrismaJS.<\/li>\n<li>Experience with cloud services (Google Cloud Platform, DigitalOcean) and DevOps practices.<\/li>\n<li>Knowledge of event-based architecture, microservices design patterns, and ability to design scalable systems.<\/li>\n<li>Excellent problem-solving skills and attention to detail.<\/li>\n<li>Strong communication and collaboration skills.<\/li>\n<\/ul>\n<p><strong>Nice to Have:<\/strong>&#xa0;<\/p>\n<ul>\n<li>Familiarity with blockchain technologies, specifically Solana,&#xa0;is a plus.<\/li>\n<li>Proficiency in machine learning concepts and experience in applying them to real-world problems.<\/li>\n<li>Experience in designing and optimizing backends to handle large volumes of data efficiently.<\/li>\n<\/ul>\n<h2>Personality Traits We Value<\/h2>\n<ul>\n<li><strong>Problem-solvers:&#xa0;<\/strong>You see roadblocks as opportunities and don\u2019t wait around for someone else to fix things.<\/li>\n<li><strong>Self-starters:&#xa0;<\/strong>You take initiative, follow through, and deliver with pride \u2013 no excuses, no shortcuts.<\/li>\n<li><strong>Team players:&#xa0;<\/strong>You thrive in a \u201cwe, not me\u201d culture, lifting others up while sharing the load.<\/li>\n<li><strong>Adaptable minds:&#xa0;<\/strong>You embrace change, question how things are done, and constantly look for better ways.<\/li>\n<li><strong>Ownership mindset:&#xa0;<\/strong>You own your work end-to-end, communicate openly, and learn from every challenge.<\/li>\n<\/ul>\n<h2>Why Solflare?<\/h2>\n<ul>\n<li><strong>Make an impact:<\/strong>&#xa0;Your work will directly shape how people interact with and understand crypto wallets, empowering users around the globe.<\/li>\n<li><strong>Work with the best:<\/strong>&#xa0;Collaborate with a talented, driven team across design, engineering, and product to build innovative, user-first experiences.<\/li>\n<li><strong>Flexibility:<\/strong>&#xa0;Remote or office \u2013 up to you. Enjoy a flexible work environment based on trust that supports your well-being and fosters creativity, as well as flexible work time \u2013 work when you are most productive, with no micromanagement.<\/li>\n<li><strong>Perks &amp; benefits:&#xa0;<\/strong>individual education budget, cool team buildings, private health insurance, to name a few.<\/li>\n<li><strong>Learn about Crypto:<\/strong>&#xa0;No crypto experience? No problem! You\u2019ll be part of a team that will teach you the ropes and help you grow into an expert.<\/li>\n<\/ul>\n<p>Join us at&#xa0;<strong>Solflare<\/strong>&#xa0;and be part of something bigger than yourself. We\u2019re not just reacting to trends; we\u2019re building the future. If you\u2019re ready to push boundaries, challenge assumptions, and make an impact, we want to hear from you.<\/p>\n<p>Apply now and help us shape the future of decentralized finance.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<p><a class=\"sp-apply\" href=\"https:\/\/www.solflare.com\/careers\/backend-developer\/\" target=\"_blank\" rel=\"noopener\">Prijavi se &rarr;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>About us Solflare is one of the fastest-growing crypto wallets in the world. With around 4 million monthly active users and over $20 billion in digital assets secured through our platform, we\u2019re building a powerful gateway to Web3. Founded in 2021, Solflare now has a team of nearly 150 people, with offices in Zagreb, Belgrade,<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[1059,1391,1419,4064],"class_list":["post-310445","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-backend","tag-nodejs","tag-postgresql","tag-web3"],"acf":[],"_links":{"self":[{"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/posts\/310445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/comments?post=310445"}],"version-history":[{"count":3,"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/posts\/310445\/revisions"}],"predecessor-version":[{"id":310507,"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/posts\/310445\/revisions\/310507"}],"wp:attachment":[{"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/media?parent=310445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/categories?post=310445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/startit.rs\/poslovi\/wp-json\/wp\/v2\/tags?post=310445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}