CTO and Software Architect CTO of Loyalize (Acquired in 2012) CTO of Trusted Opinion 100% of the fee from the clients seeking expert advice are directed to "Pencils Of Promise" Foundation Developed number of Web, iOS, and Android apps

Call me to talk about building and scaling your business and the technology that runs it. I've built a number of platforms that get heavy traffic and make heavy money as a result. I've also had a lot of practice in Agile software development techniques and continuous delivery models.

Long-time freelance Lead Developer and Technical Coach turned part-time Instructor and full-time Senior Software Engineer. I code everything from bash to CSS.

Co-Founder & CTO @lymbix Application Architecture Service Architectures Mass Scaling Ruby & Rails REST API - Service & Intergration No-SQL Design Linguistics

WordPress Core contributor, GravityView, Gravity Forms, Yoast SEO contributor. Pressjitsu, Inc. co-founder. Passionate about performance and security in WordPress-based solutions.

CTO @ Freestyle Capital, Head of Engineering @ Virta Health, CTO & co-founder CoTweet, CTO Spinner.com, advisor to many fantastic startups. I have operational expertise in fundraising, building out engineering teams and processes, highly-scalable architectures, lean startup methodologies, organizational challenges, M&A activity, and more.

I'm currently a big data systems software architect at Yahoo!. I joined the company via the acquisition of a startup, BrightRoll where I started and led the big data engineering group. My role focused on technology, architecture, technical strategy and execution with the objective of enabling data driven capabilities for the company. We built a highly scalable platform (data pipelines, analytics, data warehouses) that ingests 10s of Terabytes of data per day and processes 10s of Billions of events per day. The major technologies used are Flume, HDFS, M/R, HBase, MySQL, Druid, Redshift, Play Framework, Scala, Java, Ruby. I advise startups in terms of assessing and tackling their technical challenges, aligning their technology with business priorities, and finding a balance between premature optimization and scalability bottlenecks. I provide specific expertise relating to ad tech, big data, architecture, distributed and highly scalable systems, databases, infrastructure and lean/agile execution. Lastly, I provide introductions to investors and other industry experts where appropriate.

Co-founder of BufferBox (acquired by Google '12). Y-combinator alum (Summer '12). Passionate about hardware start-ups and a fan of anyone solving big, real world problems. University of Waterloo, Mechatronics Engineering (2011). Happy to help!

Staff Software Engineer, Tech Lead. Cloud cost management, distributed systems. Led a team if engineers to build products using applied AI. Built technologies that have scaled to handle millions of transactions per second while participating in key build vs. buy discussions and have extensive experience with AWS and GCP.

CTO, Find a Player - mobile app company with 60,000 monthly active users. Consultant specialising in building medium-large scale web applications. Expert in Phoenix, Elixir, OTP and Ruby.

Entrepreneur. Mentor @ Google LaunchPadx & Startupbootcamp. Advisory Board member to Startups. INSEAD MBA. I blog at http://bit.ly/renji_john_blog

A Product & Technology leader with over 14 years combined experience across the blockchain, FinTech and gaming sectors. Specialising in executive management, product leadership, with expert skills in blockchain development, games and enterprise high performance real-time applications. I have proven commercially focused product leadership as well as technical expertise in Solidity, C/C++, C#, Python, R, Rust, full-stack JavaScript (Node.js) and Java development across a variety of platforms. Currently co-steering Blockchain, Emerging Technology & Innovation Strategy at the LSEG.

LEADERSHIP & EXPERTISE 20 years in IT/IS, Software & ERPs, Development & Implementation Conducted SAP COUPA unit, UAT, UI, integration, system, load, stress, and validation tests Managed SAP Go-Live Post Go Live activities SF MS Dynamics FICO MM BPC and COUPA Implemented SAP SRM MM FICO rollout business requirements gathering SDLC Agile ERP Checked dependency levels of SAP Basis BPC10 ECC SRM AFS CLM, MM, SD, FICO, PS Configured SAP ECC Basis, FICO, SRM, MM, BPC, CLM, Oracle ARIBA Business Objects Directed ARIBA COUPA R3 FI/CO, MM, BPC reports/input templates Front-End Backend Directed global project, off-shore teams, portal layers P2P system architectures in UK-Japan SAP P2P baseline configuration for the FICO BPC Success Factor AP, AR, GI, and invoices SAP FICO SRM requirements gathering, design, configuration, testing, go-live EDI catalogs 20 years in Procurement & Sourcing Operations, P2P and S2P Planning, mapping, configuring, testing, requirements, implementing, ERP E-tools P2P, S2P reporting/input template, spend analytics, process design & e-Sourcing/Ariba Directed RFI/RFP’s for IT sourcing category, G&A, Marketing, Construction, Facility & Labs Awarded IT/IS bids, proposals & procurement contracts for SaaS & IT/IS security Audits Integration Oracle with SAP Platform FICO, CLM module via SOW, MSA, NDA, CDA, SLA Managed IT category and risk mitigation with TCO of $300M and P2P operations of $58M Total Lab cost ownership $300M and saved 13M via sourcing, P2P, process improvements Automated processes and implemented IT/IS sourcing category saved $7M indirect spend Directed and led the information technology and system ERP strategic sourcing team of 11 Delivered on process excellence, OCM, TCO, cost reduction, waste, ROI & growth strategy. Technology Applications: SAP S4/HANA SD SF HCM APO FS CEI MM FICO MDM SD IS PI PP SCM SRM SUS GRC CLM BI BW BPC PS XI AFS, MS Dynamic Azure Ariba Coupa Epicor Seregenti Oracle ServiceNow RICEF Emptoris EMR Workday Tableau Concur SuccessFactor & Ivalua

A seasoned technology leader with over 15 years of experience in data platform architecture, process automation, BI and data analytics, data warehousing, and modern app development. I have successfully created three tech startups and led over a hundred digital transformation projects to success. My expertise lies in helping organizations harness the power of their data to drive business value and achieve strategic goals. Whether it's advising on the best technology stack, designing an optimal architecture, or implementing cutting-edge solutions, I am passionate about helping my clients succeed.

Fractional CTO | Scalable Backend & Cloud Expert Helping Startups Build Scalable Tech – Cloud, Code, and Architecture

Senior Developer at Vertex (January 2025 - Present) Software Engineer at SAP (August 2016 - December 2024) Expertise: Java, Node.js, Python, Golang, SAP BTP, Cloud Integration, Cloud Architecture, System Design, Software Development, Deployment Key Skills: Building and deploying applications on SAP BTP and other cloud platforms System and software architecture consulting Multitenant app design and deployment SAP CPI integration and development Technical guidance for cloud migration, scalability, and performance optimization Achievements: Successfully deployed enterprise-level applications in SAP BTP Cloud Foundry Helped businesses migrate and optimize their backend systems on cloud platforms Specialized in developing and deploying multitenant apps for customers

Co-Founder and Chief of Technology Consulting @ Catalyzt360.com Ex Cognizant, Ex Central Retail Digital

Systems Engineer & Business Growth Strategist. Rene is an experienced entrepreneur, investor, and business architect with over 20 years streamlining systems and honing marketing strategies. As CEO of Renaissance CEO and founding partner of AI data company O2S1, Rene fuses timeless commercial wisdom with cutting-edge tech into frameworks designed to fuel growth, not hinder it. He’s helped over 200 founders, leaders and enterprises optimize infrastructure, enhancing bandwidth to steer 10X expansion. Rene condenses decades as visionary founder and tech leader Into a methodology for reshaping complicated workflows into engines of perpetual acceleration.

Seasoned Software Architect with 20+ years' experience in development, project management, and advising startups on strategic tech decisions. Founded successful businesses, led diverse teams, and delivered impactful software solutions using a vast array of technologies.

As an architect, I understand the power of vision and creativity. As a motivational speaker, I can help you bring your ideas to life.

Software Engineer, Technical Leader, Mentor, Software Career Coach, and Mentor experienced in machine learning and generative AI, cloud DevOps, and large-scale distributed systems.

IT professional with 5+ years of experience in frontend and backend development, solution design, sysops, and DevOps. Skilled in Kubernetes, AWS, and Terraform, with expertise in optimizing infrastructures, monitoring with Prometheus and Grafana, and managing secure Cloud Infrastructures. I help businesses solve complex tech challenges efficiently.

CTO at Dooiu, an innovative Social Fintech. With 25+ years of experience in the Israeli hi-tech industry, including 3 exits. Expert in the field of Artificial Intelligence.

Pragmatic technology leader with international experience across Finance, Event Ticketing, and Healthcare. Bring order to Chaos.

Entrepreneur. CTO and Tech Lead. Founder of milolepo.com (Handmade Marketplace), MyKuvar.com (Culinary Marketplace), and Restogrand.com (Services for Restaurants). Co-Founder of a high-tech dry cleaning startup. Builder of distributed tech teams. Passionate about using AI to transform business processes and accelerate development.