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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
<!-- Primary SEO -->
<title>Denis Usanov — Software Engineer & Engineering Manager</title>
<meta name="description" content="Denis Usanov is a Software Engineer and Engineering Manager specialising in Ruby, Rails, Go, backend systems, distributed systems, and AI.">
<meta name="author" content="Denis Usanov">
<meta name="keywords" content="Denis Usanov, Software Engineer, Engineering Manager, Backend, Distributed Systems, AI, Go, Ruby, PostgreSQL">
<link rel="canonical" href="https://usanov.info">
<!-- Open Graph -->
<meta property="og:type" content="profile">
<meta property="og:title" content="Denis Usanov — Software Engineer & Engineering Manager">
<meta property="og:description" content="Software Engineer and Engineering Manager specialising in Ruby, Rails, Go, backend systems, distributed systems, and AI.">
<meta property="og:url" content="https://usanov.info">
<meta property="og:image" content="https://usanov.info/images/picture.png">
<meta property="profile:first_name" content="Denis">
<meta property="profile:last_name" content="Usanov">
<!-- Twitter Card -->
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Denis Usanov — Software Engineer & Engineering Manager">
<meta name="twitter:description" content="Software Engineer and Engineering Manager specialising in Ruby, Rails, Go, backend systems, distributed systems, and AI.">
<meta name="twitter:image" content="https://usanov.info/images/picture.png">
<!-- Favicon -->
<link rel="icon" type="image/png" href="favicon.png">
<!-- Font -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap" rel="stylesheet">
<!-- Structured data -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Person",
"name": "Denis Usanov",
"url": "https://usanov.info",
"image": "https://usanov.info/images/picture.png",
"jobTitle": "Software Engineer & Engineering Manager",
"knowsAbout": ["Ruby", "Rails", "Go", "Kubernetes", "Backend", "Distributed Systems", "AI", "Engineering Management"],
"sameAs": [
"https://github.com/dck",
"https://www.linkedin.com/in/dusanov",
"https://www.instagram.com/denis_usanov",
"https://t.me/usanovd"
]
}
</script>
<style>
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg-from: #0d1f20;
--bg-mid: #122830;
--bg-to: #0a1a28;
--teal: rgba(80, 200, 180, 1);
--teal-dim: rgba(100, 200, 190, 0.42);
--teal-border: rgba(80, 200, 180, 0.13);
--teal-hover-bg: rgba(80, 200, 180, 0.14);
--teal-glow: rgba(60, 200, 180, 0.26);
--name-color: #d8f0ee;
--role1-color: rgba(180, 230, 225, 0.78);
--role2-color: rgba(100, 200, 190, 0.46);
}
html { height: 100%; }
body {
font-family: 'Plus Jakarta Sans', sans-serif;
-webkit-font-smoothing: antialiased;
min-height: 100%;
display: flex;
align-items: center;
justify-content: center;
padding: max(env(safe-area-inset-top), 32px) 20px max(env(safe-area-inset-bottom), 32px);
background: linear-gradient(160deg, var(--bg-from) 0%, var(--bg-mid) 45%, var(--bg-to) 100%);
background-attachment: fixed;
}
/* ── Card ── */
.card {
width: 100%;
max-width: 480px;
text-align: center;
padding: 56px 52px;
}
/* ── Avatar ── */
.avatar-wrap {
width: 120px;
height: 120px;
border-radius: 50%;
margin: 0 auto 30px;
position: relative;
}
.avatar {
width: 120px;
height: 120px;
border-radius: 50%;
object-fit: cover;
object-position: center top;
display: block;
box-shadow:
0 0 0 1px rgba(80, 220, 200, 0.16),
0 8px 32px rgba(0, 0, 0, 0.6),
0 0 60px rgba(40, 180, 160, 0.15);
}
/* ── Name ── */
.name {
font-size: clamp(1.55rem, 5vw, 1.9rem);
font-weight: 500;
color: var(--name-color);
letter-spacing: -0.02em;
margin-bottom: 12px;
line-height: 1.2;
}
/* ── Role ── */
.role {
margin-bottom: 36px;
line-height: 1.65;
}
.role-title {
display: block;
font-size: clamp(0.92rem, 3.2vw, 1.02rem);
font-weight: 400;
color: var(--role1-color);
letter-spacing: 0.01em;
}
.role-spec {
display: block;
font-size: clamp(0.84rem, 2.8vw, 0.92rem);
font-weight: 300;
color: var(--role2-color);
letter-spacing: 0.04em;
}
/* ── Social icons ── */
.socials {
display: flex;
justify-content: center;
gap: 12px;
flex-wrap: wrap;
}
.icon-btn {
width: 48px;
height: 48px;
border-radius: 50%;
background: rgba(80, 200, 180, 0.06);
border: 1px solid var(--teal-border);
display: flex;
align-items: center;
justify-content: center;
transition: background 0.2s, box-shadow 0.2s;
/* touch target padding without affecting layout */
position: relative;
}
/* Enlarge touch target for mobile without changing visual size */
.icon-btn::after {
content: '';
position: absolute;
inset: -6px;
}
.icon-btn svg {
width: 20px;
height: 20px;
fill: var(--teal-dim);
transition: fill 0.2s;
pointer-events: none;
}
.icon-btn:hover,
.icon-btn:focus-visible {
background: var(--teal-hover-bg);
box-shadow: 0 0 14px var(--teal-glow);
outline: none;
}
.icon-btn:hover svg,
.icon-btn:focus-visible svg {
fill: rgba(120, 230, 215, 0.92);
}
/* ── Responsive tweaks ── */
@media (max-width: 520px) {
.card { padding: 44px 32px; }
}
@media (max-width: 380px) {
.card { padding: 36px 24px; }
.avatar-wrap, .avatar { width: 100px; height: 100px; }
}
@media (hover: none) {
/* Remove hover glow on touch devices — use active instead */
.icon-btn:hover { background: rgba(80, 200, 180, 0.06); box-shadow: none; }
.icon-btn:hover svg { fill: var(--teal-dim); }
.icon-btn:active { background: var(--teal-hover-bg); box-shadow: 0 0 14px var(--teal-glow); }
.icon-btn:active svg { fill: rgba(120, 230, 215, 0.92); }
}
</style>
</head>
<body>
<main class="card" itemscope itemtype="https://schema.org/Person">
<div class="avatar-wrap">
<img
src="images/picture.png"
alt="Denis Usanov — Software Engineer & Engineering Manager"
class="avatar"
width="120"
height="120"
loading="eager"
decoding="async"
itemprop="image"
>
</div>
<h1 class="name" itemprop="name">Denis Usanov</h1>
<p class="role">
<span class="role-title" itemprop="jobTitle">Software Engineer & Engineering Manager</span>
<span class="role-spec">Backend · Distributed Systems · AI</span>
</p>
<nav class="socials" aria-label="Social links">
<a class="icon-btn" href="mailto:denis@usanov.info" aria-label="Email Denis Usanov" itemprop="email" content="denis@usanov.info">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M11.585 5.267c1.834 0 3.558.811 4.824 2.08v.004c0-.609.41-1.068.979-1.068h.145c.891 0 1.073.842 1.073 1.109l.005 9.475c-.063.621.64.941 1.029.543 1.521-1.564 3.342-8.038-.946-11.79-3.996-3.497-9.357-2.921-12.209-.955-3.031 2.091-4.971 6.718-3.086 11.064 2.054 4.74 7.931 6.152 11.424 4.744 1.769-.715 2.586 1.676.749 2.457-2.776 1.184-10.502 1.064-14.11-5.188C-.977 13.521-.847 6.093 5.62 2.245 10.567-.698 17.09.117 21.022 4.224c4.111 4.294 3.872 12.334-.139 15.461-1.816 1.42-4.516.037-4.498-2.031l-.019-.678c-1.265 1.256-2.948 1.988-4.782 1.988-3.625 0-6.813-3.189-6.813-6.812 0-3.659 3.189-6.885 6.814-6.885zm4.561 6.623c-.137-2.653-2.106-4.249-4.484-4.249h-.09c-2.745 0-4.268 2.159-4.268 4.61 0 2.747 1.842 4.481 4.256 4.481 2.693 0 4.464-1.973 4.592-4.306l-.006-.536z"/></svg>
</a>
<a class="icon-btn" href="https://github.com/dck" aria-label="Denis Usanov on GitHub" target="_blank" rel="noopener noreferrer me" itemprop="sameAs">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12"/></svg>
</a>
<a class="icon-btn" href="https://www.instagram.com/denis_usanov" aria-label="Denis Usanov on Instagram" target="_blank" rel="noopener noreferrer me" itemprop="sameAs">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M7.0301.084c-1.2768.0602-2.1487.264-2.911.5634-.7888.3075-1.4575.72-2.1228 1.3877-.6652.6677-1.075 1.3368-1.3802 2.127-.2954.7638-.4956 1.6365-.552 2.914-.0564 1.2775-.0689 1.6882-.0626 4.947.0062 3.2586.0206 3.6671.0825 4.9473.061 1.2765.264 2.1482.5635 2.9107.308.7889.72 1.4573 1.388 2.1228.6679.6655 1.3365 1.0743 2.1285 1.38.7632.295 1.6361.4961 2.9134.552 1.2773.056 1.6884.069 4.9462.0627 3.2578-.0062 3.668-.0207 4.9478-.0814 1.28-.0607 2.147-.2652 2.9098-.5633.7889-.3086 1.4578-.72 2.1228-1.3881.665-.6682 1.0745-1.3378 1.3795-2.1284.2957-.7632.4966-1.636.552-2.9124.056-1.2809.0692-1.6898.063-4.948-.0063-3.2583-.021-3.6668-.0817-4.9465-.0607-1.2797-.264-2.1487-.5633-2.9117-.3084-.7889-.72-1.4568-1.3876-2.1228C21.2982 1.33 20.628.9208 19.8378.6165 19.074.321 18.2017.1197 16.9244.0645 15.6471.0093 15.236-.005 11.977.0014 8.718.0076 8.31.0215 7.0301.0839m.1402 21.6932c-1.17-.0509-1.8053-.2453-2.2287-.408-.5606-.216-.96-.4771-1.3819-.895-.422-.4178-.6811-.8186-.9-1.378-.1644-.4234-.3624-1.058-.4171-2.228-.0595-1.2645-.072-1.6442-.079-4.848-.007-3.2037.0053-3.583.0607-4.848.05-1.169.2456-1.805.408-2.2282.216-.5613.4762-.96.895-1.3816.4188-.4217.8184-.6814 1.3783-.9003.423-.1651 1.0575-.3614 2.227-.4171 1.2655-.06 1.6447-.072 4.848-.079 3.2033-.007 3.5835.005 4.8495.0608 1.169.0508 1.8053.2445 2.228.408.5608.216.96.4754 1.3816.895.4217.4194.6816.8176.9005 1.3787.1653.4217.3617 1.056.4169 2.2263.0602 1.2655.0739 1.645.0796 4.848.0058 3.203-.0055 3.5834-.061 4.848-.051 1.17-.245 1.8055-.408 2.2294-.216.5604-.4763.96-.8954 1.3814-.419.4215-.8181.6811-1.3783.9-.4224.1649-1.0577.3617-2.2262.4174-1.2656.0595-1.6448.072-4.8493.079-3.2045.007-3.5825-.006-4.848-.0608M16.953 5.5864A1.44 1.44 0 1 0 18.39 4.144a1.44 1.44 0 0 0-1.437 1.4424M5.8385 12.012c.0067 3.4032 2.7706 6.1557 6.173 6.1493 3.4026-.0065 6.157-2.7701 6.1506-6.1733-.0065-3.4032-2.771-6.1565-6.174-6.1498-3.403.0067-6.156 2.771-6.1496 6.1738M8 12.0077a4 4 0 1 1 4.008 3.9921A3.9996 3.9996 0 0 1 8 12.0077"/></svg>
</a>
<a class="icon-btn" href="https://www.linkedin.com/in/dusanov" aria-label="Denis Usanov on LinkedIn" target="_blank" rel="noopener noreferrer me" itemprop="sameAs">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433c-1.144 0-2.063-.926-2.063-2.065 0-1.138.92-2.063 2.063-2.063 1.14 0 2.064.925 2.064 2.063 0 1.139-.925 2.065-2.064 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z"/></svg>
</a>
<a class="icon-btn" href="https://t.me/usanovd" aria-label="Denis Usanov on Telegram" target="_blank" rel="noopener noreferrer me" itemprop="sameAs">
<svg viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M11.944 0A12 12 0 0 0 0 12a12 12 0 0 0 12 12 12 12 0 0 0 12-12A12 12 0 0 0 12 0a12 12 0 0 0-.056 0zm4.962 7.224c.1-.002.321.023.465.14a.506.506 0 0 1 .171.325c.016.093.036.306.02.472-.18 1.898-.962 6.502-1.36 8.627-.168.9-.499 1.201-.82 1.23-.696.065-1.225-.46-1.9-.902-1.056-.693-1.653-1.124-2.678-1.8-1.185-.78-.417-1.21.258-1.91.177-.184 3.247-2.977 3.307-3.23.007-.032.014-.15-.056-.212s-.174-.041-.249-.024c-.106.024-1.793 1.14-5.061 3.345-.48.33-.913.49-1.302.48-.428-.008-1.252-.241-1.865-.44-.752-.245-1.349-.374-1.297-.789.027-.216.325-.437.893-.663 3.498-1.524 5.83-2.529 6.998-3.014 3.332-1.386 4.025-1.627 4.476-1.635z"/></svg>
</a>
</nav>
</main>
</body>
</html>