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Domain > arsiar.com
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More information on this domain is in
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DNS Resolutions
Date
IP Address
2025-10-17
3.5.134.148
(
ClassC
)
2025-11-02
3.163.24.90
(
ClassC
)
Port 80
HTTP/1.1 301 Moved PermanentlyServer: CloudFrontDate: Sun, 02 Nov 2025 16:29:47 GMTContent-Type: text/htmlContent-Length: 167Connection: keep-aliveLocation: https://arsiar.com/X-Cache: Redirect from cloudfrontVia: 1.1 a235f5b7b15b9c8025af96fb0081dd58.cloudfront.net (CloudFront)X-Amz-Cf-Pop: HIO52-P2X-Amz-Cf-Id: iYdQ6FHYxkxwkrF_WoxyA2bxS5bGarXgNJRgIjbZwJPhti553Kla-A html>head>title>301 Moved Permanently/title>/head>body>center>h1>301 Moved Permanently/h1>/center>hr>center>CloudFront/center>/body>/html>
Port 443
HTTP/1.1 200 OKContent-Type: text/htmlContent-Length: 22180Connection: keep-aliveDate: Sun, 02 Nov 2025 16:29:49 GMTLast-Modified: Fri, 17 Oct 2025 18:07:36 GMTETag: 45245b6b12a968ff7baef8b8242f6c6dServer: AmazonS3X-Cache: Miss from cloudfrontVia: 1.1 2f64e28be83a9bbc21e5afb1a93fec2c.cloudfront.net (CloudFront)X-Amz-Cf-Pop: HIO52-P2X-Amz-Cf-Id: AxYXj8c7raumRj57fduuZW2k0osZ0_LFGYPiKpnpSWj4lqSCDLO4Ug !doctype html>html langen>head> meta charsetutf-8 /> title>ARSIAR — Boutique Software & Cloud Engineering (Rijeka, Croatia)/title> meta nameviewport contentwidthdevice-width, initial-scale1 /> meta namedescription contentARSIAR is a boutique software & cloud engineering firm based in Rijeka, Croatia. We build enterprise APIs, serverless systems, and data platforms. VAT ID: HR82396347517. /> link relcanonical hrefhttps://www.arsiar.hr /> meta nametheme-color content#5ed3f3 /> meta nameapple-mobile-web-app-capable contentyes /> meta nameapple-mobile-web-app-status-bar-style contentblack-translucent /> !-- Resource Hints --> link reldns-prefetch hrefhttps://www.arsiar.hr /> link relpreconnect hrefhttps://www.arsiar.hr crossorigin /> !-- Open Graph --> meta propertyog:title contentARSIAR — Boutique Software & Cloud Engineering /> meta propertyog:description contentEnterprise APIs • Serverless • Data pipelines • Graph DB • AWS /> meta propertyog:type contentwebsite /> meta propertyog:url contenthttps://www.arsiar.hr /> meta propertyog:image contenthttps://www.arsiar.hr/og.png /> !-- Twitter Card --> meta nametwitter:card contentsummary_large_image /> meta nametwitter:title contentARSIAR — Boutique Software & Cloud Engineering /> meta nametwitter:description contentEnterprise APIs • Serverless • Data pipelines • Graph DB • AWS /> meta nametwitter:image contenthttps://www.arsiar.hr/og.png /> link relicon hrefdata:image/svg+xml,svg xmlnshttp://www.w3.org/2000/svg viewBox0 0 32 32>rect width32 height32 fill%230b0d12/>rect x4 y6 width20 height3 fill%235ed3f3 transformskewX(-20)/>rect x6 y13 width16 height3 fill%235ed3f3 transformskewX(-20)/>rect x8 y20 width12 height3 fill%235ed3f3 transformskewX(-20)/>/svg> /> style> :root{--bg:#0b0d12;--card:#12141b;--muted:#9aa3b2;--text:#e9eef6;--brand:#5ed3f3;--brand-hover:#4bc2e2;--line:#1e2330;} *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-display:swap;background:var(--bg);background-image:radial-gradient(circle,rgba(94,211,243,.03) 1px,transparent 1px);background-size:24px 24px;color:var(--text);line-height:1.6} a{color:var(--brand);text-decoration:none;transition:color .2s ease} a:hover{color:var(--brand-hover)} a:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px} .skip-link{position:absolute;top:0;left:0;background:var(--brand);color:#051018;padding:8px;z-index:100;font-weight:700;transform:translateY(-100%);opacity:0;transition:transform .2s ease,opacity .2s ease} .skip-link:focus{transform:translateY(0);opacity:1} .wrap{max-width:1100px;margin:0 auto;padding:24px} header{display:flex;align-items:center;justify-content:space-between;padding:10px 0} .logo{display:flex;gap:12px;align-items:center} .logo-mark{width:40px;height:40px;position:relative;transition:transform .3s ease} .logo-mark::before,.logo-mark::after,.logo-mark span{content:;position:absolute;background:var(--brand);transition:all .3s ease} .logo-mark::before{width:32px;height:4px;top:2px;left:4px;transform:skewX(-20deg);box-shadow:0 0 12px rgba(94,211,243,.3)} .logo-mark::after{width:24px;height:4px;top:11px;left:8px;transform:skewX(-20deg);background:linear-gradient(90deg,var(--brand),#7ef3c5)} .logo-mark 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0;border-bottom:1px solid var(--line)} .hero h1{font-size:42px;line-height:1.1;margin:0 0 12px} .pill{display:inline-block;padding:6px 10px;margin-bottom:16px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;transition:all .2s ease} .pill:hover{border-color:var(--brand);color:var(--brand)} .card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;transition:all .3s ease} .card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 8px 24px rgba(94,211,243,.1)} .grid{display:grid;gap:18px} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g2{grid-template-columns:repeat(2,minmax(0,1fr))} .section{padding:36px 0;border-bottom:1px solid var(--line)} h2{margin:0 0 12px;font-size:24px} h3{margin:0 0 8px;font-size:16px;color:var(--text)} ul{margin:10px 0 0 18px;color:var(--muted);line-height:1.8} .muted{color:var(--muted)} .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap} .btn{display:inline-block;background:var(--brand);color:#051018;font-weight:700;border:0;border-radius:12px;padding:12px 20px;cursor:pointer;transition:all .2s ease;font-size:15px} .btn:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(94,211,243,.3)} .btn:active{transform:translateY(0)} .btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px} .testimonial{background:var(--card);border-left:3px solid var(--brand);padding:20px;border-radius:12px;margin-bottom:16px} .testimonial-author{font-size:14px;color:var(--muted);margin-top:12px} .badge{display:inline-block;padding:8px 14px;background:var(--card);border:1px solid var(--line);border-radius:8px;font-size:13px;color:var(--text);margin:6px;transition:all .2s ease} .badge:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 4px 12px rgba(94,211,243,.15)} .tech-stack{display:flex;flex-wrap:wrap;justify-content:center;margin-top:12px} .fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease} .fade-in.visible{opacity:1;transform:translateY(0)} .back-to-top{position:fixed;bottom:24px;right:24px;background:var(--brand);color:#051018;width:48px;height:48px;border-radius:50%;border:0;font-size:24px;cursor:pointer;opacity:0;transform:translateY(100px);transition:all .3s ease;z-index:50;box-shadow:0 4px 12px rgba(94,211,243,.3)} .back-to-top.visible{opacity:1;transform:translateY(0)} .back-to-top:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(94,211,243,.5)} nav a.active{color:var(--brand)} .copy-btn{cursor:pointer;margin-left:8px;opacity:.6;transition:opacity .2s} .copy-btn:hover{opacity:1} footer{padding:28px 0;color:var(--muted);font-size:14px;text-align:center} .footer-cta{text-align:center;padding:20px 0;border-top:1px solid var(--line);margin-top:10px} @media (max-width:900px){ .hero{grid-template-columns:1fr} .g3{grid-template-columns:repeat(2,minmax(0,1fr))} .g2{grid-template-columns:1fr} nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--card);flex-direction:column;padding:20px;border:1px solid var(--line);border-radius:12px;margin:0 24px;box-shadow:0 8px 24px rgba(0,0,0,.3)} nav.active{display:flex} .mobile-menu-btn{display:block} .hero h1{font-size:32px} } @media (max-width:600px){ .g3{grid-template-columns:1fr} } /style> !-- Schema.org Organization --> script typeapplication/ld+json> { @context:https://schema.org, @type:ProfessionalService, name:ARSIAR, url:https://www.arsiar.hr, logo:https://www.arsiar.hr/og.png, description:Boutique software & cloud engineering firm specializing in enterprise APIs, serverless systems, data pipelines, and graph-driven platforms on AWS., address:{@type:PostalAddress,addressCountry:HR,addressLocality:Rijeka,addressRegion:Primorje-Gorski Kotar}, email:info@arsiar.com, telephone:+385911912334, vatID:HR82396347517, areaServed:Europe,United States, knowsAbout:Cloud Computing,AWS,Serverless Architecture,API Development,Data Engineering,Graph Databases,Artificial Intelligence, priceRange:$$$$, aggregateRating:{@type:AggregateRating,ratingValue:5.0,reviewCount:15}, hasOfferCatalog:{ @type:OfferCatalog, name:Cloud Engineering Services, itemListElement: {@type:Offer,itemOffered:{@type:Service,name:Enterprise API Development,description:OAuth2, JWT, RBAC, Graph DB}}, {@type:Offer,itemOffered:{@type:Service,name:Serverless Architecture,description:AWS Lambda, EventBridge, SQS}}, {@type:Offer,itemOffered:{@type:Service,name:Data Engineering,description:ETL pipelines, Redshift, pgvector}}, {@type:Offer,itemOffered:{@type:Service,name:AI Integration,description:MCP servers, RAG, vector search}} } } /script>/head>body>a href#main classskip-link>Skip to main content/a>div classwrap> header> div classlogo> div classlogo-mark aria-hiddentrue>span>/span>/div> div classlogo-text>ARSIAR/div> /div> nav idnav> a href#services>Services/a> a href#work>Work/a> a href#testimonials>Testimonials/a> a href#contact>Contact/a> /nav> button classmobile-menu-btn onclicktoggleMenu() aria-labelToggle navigation menu>☰/button> /header> main idmain> section classhero> div> span classpill>Rijeka, Croatia • VAT ID: HR82396347517/span> h1>Boutique Software & Cloud Engineering/h1> p classmuted>We design and build enterprise APIs, serverless systems, data pipelines, and graph-driven platforms on AWS. Small, senior team — fast delivery, production quality./p> div classrow stylemargin-top:14px> a classbtn href#contact>Start a Project/a> a classmuted href#work>See recent work →/a> /div> /div> div classgrid g3> div classcard> h3>Enterprise APIs/h3> span classmuted>Rust/Java, Graph (Gremlin), OAuth2, RBAC/span> /div> div classcard> h3>Serverless/h3> span classmuted>AWS Lambda, EventBridge, SQS, API GW/span> /div> div classcard> h3>Data & Pipelines/h3> span classmuted>ETL, Redshift, pgvector, RDS/span> /div> div classcard> h3>Reliability/h3> span classmuted>IaC (Terraform), multi-AZ, observability/span> /div> div classcard> h3>Security/h3> span classmuted>Least privilege IAM, encryption, audits/span> /div> div classcard> h3>AI Integration/h3> span classmuted>MCP, RAG, cost-optimized LLM ops/span> /div> /div> /section> section classsection fade-in styleborder-bottom:none;padding:32px 0> div classgrid g2 styletext-align:center> div classcard> div stylefont-size:36px;font-weight:700;color:var(--brand);margin-bottom:8px>8+/div> div stylecolor:var(--muted);font-size:15px>Years Building/div> /div> div classcard> div stylefont-size:36px;font-weight:700;color:var(--brand);margin-bottom:8px>99.9%/div> div stylecolor:var(--muted);font-size:15px>Uptime SLA/div> /div> /div> /section> section classsection fade-in styleborder-bottom:none;padding:24px 0;text-align:center> h2 stylefont-size:18px;margin-bottom:16px>Tech Stack/h2> div classtech-stack> span classbadge>AWS/span> span classbadge>Rust/span> span classbadge>Java/span> span classbadge>TypeScript/span> span classbadge>Terraform/span> span classbadge>Lambda/span> span classbadge>Neptune/Gremlin/span> span classbadge>PostgreSQL/span> span classbadge>Redshift/span> span classbadge>Docker/span> span classbadge>EventBridge/span> span classbadge>CDK/span> /div> /section> section idservices classsection fade-in> h2>Services/h2> div classgrid g2> div classcard> h3>Architecture & Delivery/h3> ul> li>System & data architecture on AWS/li> li>Serverless & event-driven design/li> li>Security reviews, performance testing/li> /ul> /div> div classcard> h3>Build & Integrate/h3> ul> li>Enterprise APIs (OAuth2/JWT/RBAC)/li> li>Graph DB (Amazon Neptune, Gremlin)/li> li>Data ingestion & pipelines (ETL, Redshift)/li> /ul> /div> div classcard> h3>AI & Automation/h3> ul> li>Model Context Protocol (MCP) servers/li> li>RAG & vector search (pgvector)/li> li>Cost-efficient LLM integrations/li> /ul> /div> div classcard> h3>Ops & Scale/h3> ul> li>Terraform IaC, multi-env VPCs/li> li>Observability (metrics/logs/traces)/li> li>Zero-downtime CI/CD pipelines/li> /ul> /div> /div> /section> section idwork classsection fade-in> h2>Selected Work/h2> div classgrid g2> div classcard> h3>Master Data Service (MDS)/h3> ul> li>Order History API, sub-300ms p95/li> li>Type-safe Gremlin query builder (anti-injection)/li> li>Retail & e-commerce ingestion, 50+ ev/s/li> /ul> /div> div classcard> h3>Realiko (Proptech SaaS)/h3> ul> li>AI-first marketplace, semantic search/li> li>Auto-deployment, multi-AZ, <$1k/mo ops/li> li>MVP → production in 6 months/li> /ul> /div> /div> p classmuted stylemargin-top:8px>More references and technical details available on request./p> /section> section idtestimonials classsection fade-in> h2>Client Testimonials/h2> div classtestimonial> p>Outstanding technical expertise and delivery speed. ARSIAR built our enterprise API infrastructure on time and exceeded our performance requirements./p> div classtestimonial-author>— Senior Engineering Manager, Enterprise Retail/div> /div> div classtestimonial> p>The teams deep knowledge of AWS serverless architecture saved us thousands in infrastructure costs while improving reliability./p> div classtestimonial-author>— CTO, PropTech Startup/div> /div> p classmuted stylemargin-top:8px>Additional references available upon request./p> /section> section idcontact classsection fade-in> h2>Get in Touch/h2> p classmuted stylemargin-bottom:20px>Reach out directly — we respond to all inquiries within 1 business day./p> div classgrid g3> div classcard> h3>Email/h3> div> a hrefmailto:info@arsiar.com stylefont-size:15px>info@arsiar.com/a> span classcopy-btn onclickcopyEmail() titleCopy email>📋/span> /div> p classmuted stylemargin-top:8px;font-size:13px>For project inquiries and technical discussions/p> /div> div classcard> h3>Phone/h3> a hreftel:+385911912334 stylefont-size:15px>+385 91 1912 334/a> p classmuted stylemargin-top:8px;font-size:13px>Mon–Fri, 09:00–17:00 CET/p> /div> div classcard> h3>LinkedIn/h3> a hrefhttps://www.linkedin.com/in/alen-raos-2b6822144 target_blank relnoopener stylefont-size:15px>Alen Raos/a> p classmuted stylemargin-top:8px;font-size:13px>Connect for professional networking/p> /div> /div> div classcard stylemargin-top:24px;text-align:center;padding:28px> h3 stylemargin-bottom:12px>Company Information/h3> p stylecolor:var(--text)>ARSIAR — Boutique Software & Cloud Engineering/p> p classmuted>Rijeka, Croatia • VAT ID: HR82396347517/p> p classmuted stylemargin-top:12px;font-size:13px>Registered in Croatia • Serving clients across Europe & US/p> /div> /section> /main> footer> div classfooter-cta> p stylemargin:0 0 12px;font-size:16px;color:var(--text)>Ready to start your project?/p> a classbtn href#contact>Get in Touch/a> /div> p stylemargin-top:20px>© span idy>/span> ARSIAR • Rijeka, Croatia • VAT ID: HR82396347517/p> /footer>/div>button classback-to-top onclickscrollToTop() aria-labelBack to top>↑/button>script>document.getElementById(y).textContentnew Date().getFullYear();// Mobile menu togglefunction toggleMenu(){ const navdocument.getElementById(nav); nav.classList.toggle(active);}// Close mobile menu on link clickdocument.querySelectorAll(nav a).forEach(link>{ link.addEventListener(click,()>{ document.getElementById(nav).classList.remove(active); });});// Copy email to clipboardfunction copyEmail(){ navigator.clipboard.writeText(info@arsiar.com).then(()>{ const btndocument.querySelector(.copy-btn); btn.textContent✓; setTimeout(()>btn.textContent📋,2000); });}// Back to top buttonconst backToTopdocument.querySelector(.back-to-top);function scrollToTop(){ window.scrollTo({top:0,behavior:smooth});}window.addEventListener(scroll,()>{ if(window.scrollY>300){ backToTop.classList.add(visible); }else{ backToTop.classList.remove(visible); }});// Fade-in animations on scrollconst fadeElementsdocument.querySelectorAll(.fade-in);const observernew IntersectionObserver((entries)>{ entries.forEach(entry>{ if(entry.isIntersecting){ entry.target.classList.add(visible); } });},{threshold:0.1});fadeElements.forEach(el>observer.observe(el));// Active nav highlightingconst sectionsdocument.querySelectorAll(sectionid);const navLinksdocument.querySelectorAll(nav a);window.addEventListener(scroll,()>{ let current; sections.forEach(section>{ const sectionTopsection.offsetTop; if(window.scrollY>sectionTop-100){ currentsection.getAttribute(id); } }); navLinks.forEach(link>{ link.classList.remove(active); if(link.getAttribute(href)#+current){ link.classList.add(active); } });});/script>/body>/html>
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