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David S
@sailornaut663
Game Playtester, UX Analyst, and Senior Software Engineer
United States
English
About me
I’m a senior software engineering and cybersecurity professional with 10+ years of technical experience, specializing on Fiverr in game playtesting, UX analysis, and actionable player feedback. I test from both a player and engineering perspective, analyzing onboarding, progression, UI/UX, retention, controls, bugs, and friction. My recent work has identified drop-off points matching client analytics and recommendations implemented in live updates. I also offer software, DevOps, cybersecurity, and data expertise.
Skills
David S
Offline •
Average response time: 3 hours
See my services
Game Testing & Feedback
I will playtest your game and provide detailed gameplay feedback
Game Testing & Feedback
I will test your roblox game UX, engagement, and player retention
Portfolio
Work experience
Senior Software Engineer
GamePlan • Full-time
Dec 2025 - Present • 8 mos
Senior DevOps Engineer with extensive experience designing, deploying, and securing cloud-native platforms at scale. Proven expertise in infrastructure as code, CI/CD automation, Kubernetes, and cloud security across regulated and high-availability environments. Adept at partnering with engineering teams to improve reliability, reduce operational risk, and accelerate delivery through automation and DevSecOps best practices.
Principal DevOps Engineer
Clarity Innovations • Full-time
Jan 2025 - Dec 2025 • 11 mos
Principal DevOps Engineer specializing in secure, compliant cloud platforms and DevSecOps practices. Designs end-to-end delivery pipelines, enforces security and reliability standards, and embeds risk reduction into the software lifecycle. Trusted advisor for scaling infrastructure in regulated and mission-critical environments.
Senior DevOps Engineer
Knack Works • Full-time
Jan 2023 - Dec 2024 • 1 yr 11 mos
Senior DevOps Engineer with deep expertise in designing and operating large-scale, cloud-native platforms. Leads infrastructure architecture, DevSecOps strategy, and reliability initiatives across multiple teams. Known for solving complex systemic problems, setting engineering standards, and enabling organizations to scale securely through automation and infrastructure as code.
6 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 6 Reviews
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testudoarch
United States
It was a really good experience. He did a wonderful job, even though visual novels and anime are not usually his thing, and mine is, of course, a Western anime-style visual novel, haha! Nonetheless, his comments were very insightful and helpful. I would definitely work with him again. So far, he has...
Seller's Response
Helpful?
brewempire
United States
Ongoing collaboration
Exceptional work — this is what a professional game review looks like. I asked for a UX and gameplay pass on my Roblox game and got a clearly prioritized report with specific, actionable recommendations, a competitor comparison, and a player-experience survey — not vague impressions. What impressed me...
Helpful?
brewempire
United States
Ongoing collaboration
David spotted in a UX review that our store page undersold the game, was honest that promo capture wasn't his usual specialty, then sent unpaid samples so I could judge before booking. Delivered the full set on time — a gallery that tells the real progression story and three genuinely distinct ad concepts,...
Helpful?
brewempire
United States
Ongoing collaboration
Second order with David and he's become part of how we ship. This was a targeted weekly playtest of our latest updates, and the report went way beyond checklist testing: he validated our riskiest fixes on real devices, caught a UI layering bug nobody else had noticed, and his design recommendations were...
Helpful?
freemob007
Netherlands
Seller's Response
Helpful?
