Available to hire
I’m John Kelvin Mwaniki, an iGaming content writer and technical documentation specialist with 9 years of experience creating SEO-first, conversion-focused copy for casinos, sportsbooks, tech, and crypto. I write player-friendly casino and sportsbook reviews, bonus guides, and game tutorials, while also producing clear, compliant crypto and blockchain explainers that make complex topics easy to understand.
I work closely with SEO teams, editors, and cross-functional stakeholders (including engineering and compliance) to deliver accurate content that performs—backed by analytics like Google Analytics, keyword research, and CRO testing. My goal is simple: help brands grow organic visibility, increase player acquisition and sign-ups, and build trust through responsible, jurisdiction-aware messaging.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Language
English
Fluent
Swahili
Fluent
Work Experience
Content Writer at Content Lab
April 1, 2024 - PresentCreate comprehensive casino and sportsbook reviews and player-focused content covering game selection, payment methods, bonuses, and user experience. Write SEO-optimized casino, sportsbook, and game guides/tuts for slots, table games, live dealer, and sports betting. Develop promotional copy for welcome bonuses and loyalty programs, and conduct competitor analysis to identify content gaps. Ensure responsible gambling messaging and compliance with regulatory requirements. Collaborate with SEO specialists and editors to maintain brand voice and meet ranking/quality objectives.
iGaming Copywriter at Better Collective
July 1, 2023 - April 1, 2024Produced and optimized casino and sportsbook content (landing pages, reviews, bonus guides, and game features) to drive organic growth and player acquisition. Wrote long-form articles targeting competitive iGaming keywords and supported marketing campaigns that improved CTR and sign-ups. Created email and CRM content to improve re-engagement for returning players. Participated in A/B testing for headlines and CTA placement and provided editorial support and SEO insights to junior writers. Ensured compliance with responsible gambling and jurisdictional advertising standards.
Senior Copywriter at TLC Writes
December 1, 2021 - June 1, 2023Led content strategy and execution for iGaming clients across European and African markets, producing conversion-focused copy for landing pages, blogs, email, and social media. Managed end-to-end content production for 15+ concurrent client accounts while ensuring brand consistency, quality, and deadlines. Mentored a team of 5 junior copywriters through training on SEO and iGaming terminology. Produced fintech content for crypto exchanges, payment processors, digital wallets, and blockchain platforms, and ensured regulatory compliance across multiple jurisdictions (including responsible gambling and financial advertising guidelines).
Content Specialist at Interactive Crypto
December 1, 2020 - December 1, 2020Created SEO-optimized cryptocurrency news and educational content for a global audience, covering Bitcoin, Ethereum, altcoins, market trends, regulatory developments, and blockchain innovations. Wrote beginner-friendly guides on wallets, token swaps, staking, liquidity mining, and crypto tax implications. Produced in-depth project reviews and analyses for DeFi, DEXs, yield farming, NFT marketplaces, and blockchain networks. Coordinated with social teams to amplify distribution, worked with designers on infographics, and ensured content followed financial guidelines without giving investment advice.
Content Manager at Customized Write LLC
January 1, 2018 - December 1, 2019Directed content strategy and editorial direction for 20+ clients across SaaS, technology, e-commerce, and lifestyle niches. Managed content calendars and production workflows to meet deadlines across multiple concurrent projects. Collaborated with designers, developers, and marketing teams to deliver on-brand content and built content distribution strategies across websites, blogs, email, and social media. Utilized CMS and analytics tools to track performance KPIs and ensured content accuracy through proofreading and fact-checking. Also handled technical setup activities for client sites (domains/DNS/hosting) and mentored writers to maintain brand guidelines.
Technical Writer at Auslogics
January 1, 2018 - December 1, 2019Developed user guides, documentation, knowledge base articles, and release notes for PC optimization software. Produced step-by-step tutorials and troubleshooting workflows for products including BoostSpeed, Disk Defrag, Registry Cleaner, and Duplicate File Finder. Collaborated with engineers, product managers, and QA to ensure technical accuracy. Documented internal wiki workflows to support onboarding, translated technical concepts for end users, and created developer/API documentation for integrations. Reviewed and proofread documentation for consistency and accuracy.
Content Specialist at Loganix
May 1, 2016 - February 1, 2019Created and optimized SEO content for service pages, blogs, and guest articles for high-DA domains to support authority building. Contributed to link-building campaigns to increase domain authority and organic rankings. Conducted keyword research and topic clustering, supported content performance reporting, and collaborated with developers/designers to align content structure and metadata with SEO and UX best practices. Assisted with content localization efforts for different markets.
Copywriter at Fiverr
May 1, 2014 - February 1, 2016Delivered 300+ SEO-optimized writing projects across industries including iGaming, technology, travel, and lifestyle. Produced product descriptions, promotional articles, and brand storytelling aligned with client objectives and brand voice. Applied on-page SEO techniques (keyword placement, meta descriptions, internal linking) and maintained quality while meeting quick turnaround timelines. Managed remote client communication and self-directed content production.
Education
BSc Telecommunications and Information Engineering at Dedan Kimathi University of Science and Technology
September 2, 2013 - April 6, 2018Bsc Telecommunications and Information Engineering at Dedan Kimathi University of Technology
January 11, 2030 - September 15, 2026Qualifications
Cisco Certified Network Associate
April 9, 2018 - August 8, 2018Email Marketing
May 4, 2020 - June 5, 2020Digital Marketing
June 29, 2020 - July 31, 2020Industry Experience
Telecommunications, Gaming, Other, Computers & Electronics, Financial Services, Media & Entertainment, Software & Internet
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