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Viktor S.

Viktor S.

Fractional CTO | Technical Product Manager | Full-Stack Engineer

I help startups and companies turn product ideas into working software with clear scope, solid technical decisions, and reliable execution. My strength is operating across product, engineering, and delivery. I can define what needs to be built, shape how it should be built, lead the team, and contribute hands-on where it matters. I have 20+ years of experience in software development and product delivery, including roles as CTO, founder, team lead, and technical product manager. I use AI tools daily for discovery, analysis, product work, and engineering workflows, including ChatGPT, Claude, Claude Code, Figma Make, and others. Typical situations where I am most useful: - a founder needs a senior technical partner without hiring a full-time CTO, - a product needs structure, priorities, and execution discipline, - a team needs technical leadership and delivery management, - a company needs someone who can own architecture, requirements, and communication end-to-end. What I can help with: - product discovery and scoping, - technical architecture and solution design, - turning ideas into requirements, milestones, and development plans, - backlog prioritization and delivery management, - engineering team leadership, - API and third-party integrations, - hands-on full-stack implementation when needed. I have worked on fintech platforms, payment integrations, web and mobile products, API-heavy products, and UX and delivery improvements for existing applications. Core stack: PHP, Laravel, Node.js, SQL, REST APIs, Linux, JavaScript, HTML, CSS. I am a strong fit for clients who need ownership, clarity, and practical execution, not just code hours.

🇵🇹Sao Domingos de Rana, Portugal$85/hr100% JSS5.00 (5)Since Oct 2015

Earnings and projects

MRR
$1.1k

Last 6 months ÷ 6

World#45,946 / 412k
🇵🇹Country#223 / 2,011
Revenue, last 30 days
$0

Last 6 months: $6.3k

Total earnings
$21k
World#135,728 / 412k
🇵🇹Country#709 / 2,011
Per project
$3.5k

$6.3k in the last 6 months

World#48,083 / 412k
🇵🇹Country#279 / 2,011
Projects, last 6 months
1

Across 2 contracts

50% fixed50% hourly
World#128,092 / 412k
🇵🇹Country#538 / 2,011
Projects in all
6

Across 7 contracts

57% fixed43% hourly
World#250,290 / 412k
🇵🇹Country#1,251 / 2,011

Earnings, last 30 days

$21.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$21,000$21,250$21,500$21,750Oct 8Oct 23Nov 7

Skill rankings: Top 7% in Yii

Ranked by MRR among everyone on Upwork with the skill.

  1. #23Product Discovery165 freelancers · 🇵🇹 #1Top 14%
  2. #29Yii394 freelancers · 🇵🇹 #1Top 7%
  3. #32Yii2396 freelancers · 🇵🇹 #1Top 8%
  4. #36Requirements Specification246 freelancers · 🇵🇹 #2Top 15%
  5. #71Product Strategy494 freelancers · 🇵🇹 #1Top 14%
  6. #138FinTech802 freelancers · 🇵🇹 #3Top 17%
  7. #165Payment Processing834 freelancers · 🇵🇹 #1Top 20%
  8. #192Cross Functional Team Leadership1,042 freelancers · 🇵🇹 #2Top 18%