I am a results-focused Senior Lead Software Engineer with extensive experience in architecting, developing, and supporting complex web and software platforms tailored to diverse client needs. I excel at translating business requirements into scalable, high-quality solutions and ensuring long-term supportability. Over the years, I have led engineering teams and developed secure, scalable systems with a strong focus on fintech, blockchain gambling, and telecommunication platforms. I enjoy working in dynamic environments that challenge my skills in software architecture, agile methodologies, and CI/CD automation, always striving to improve system performance and user experience.

Eduard Kotanjyan

I am a results-focused Senior Lead Software Engineer with extensive experience in architecting, developing, and supporting complex web and software platforms tailored to diverse client needs. I excel at translating business requirements into scalable, high-quality solutions and ensuring long-term supportability. Over the years, I have led engineering teams and developed secure, scalable systems with a strong focus on fintech, blockchain gambling, and telecommunication platforms. I enjoy working in dynamic environments that challenge my skills in software architecture, agile methodologies, and CI/CD automation, always striving to improve system performance and user experience.

Available to hire

I am a results-focused Senior Lead Software Engineer with extensive experience in architecting, developing, and supporting complex web and software platforms tailored to diverse client needs. I excel at translating business requirements into scalable, high-quality solutions and ensuring long-term supportability.

Over the years, I have led engineering teams and developed secure, scalable systems with a strong focus on fintech, blockchain gambling, and telecommunication platforms. I enjoy working in dynamic environments that challenge my skills in software architecture, agile methodologies, and CI/CD automation, always striving to improve system performance and user experience.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Russian
Fluent
Armenian
Fluent

Work Experience

Lead of Engineering team / Senior Software Engineer (Hybrid) at Paynovate
October 1, 2022 - Present
Spearheaded re-architecture of core digital payment systems, significantly improving system scalability, availability, and transaction throughput. Defined technical strategy and engineering roadmap aligned with fintech compliance and innovation requirements. Led a cross-functional team to deliver cloud-native payment modules on AWS with 99.99% uptime. Integrated secure payment APIs with MFA, 3DS, and PSD2 compliance, boosting authorization success rates by 12%. Championed DevOps modernization using GitLab and Docker, cutting deployment times by 40%. Conducted performance reviews, facilitated onboarding, and mentored junior developers. Managed 50% of all PCI DSS tools and server environments.
Lead Full Stack Engineer / Engineering Manager (Remote) at GeeksForLess Inc.
August 31, 2022 - July 11, 2025
Architected and delivered high-availability SaaS platforms for finance, healthcare, insurance, and logistics clients in the US. Directed technical planning and sprint execution of modular backend systems using PHP (Laravel/Symfony) and Node.js. Served as lead technical liaison with clients, translating evolving business needs into scalable microservices. Implemented API-first development practices to ensure modularity and rapid UI integration using React and Vue. Introduced internal tooling to streamline QA and staging environments, reducing post-deploy bugs by 30%.
Senior Software Engineer (Remote) at testRTC
August 31, 2022 - July 11, 2025
Played a key role in scaling and maintaining a WebRTC testing platform used by major telecom providers. Optimized REST API services and backend event handling for large-scale data capture and analysis. Deployed containerized Linux-based services maintaining strict uptime SLAs and introduced proactive monitoring scripts. Participated in client feedback sessions to iteratively refine testing tools and features.
Senior Backend Engineer | Blockchain Gambling (Remote) at FunFair Technologies
August 31, 2022 - July 11, 2025
Led backend development for Ethereum-based gaming infrastructure with high throughput smart contract interactions. Designed secure transaction flows and implemented real-time analytics pipelines for player behavior monitoring. Developed multiple online casino platforms with third-party integrations. Managed cross-cloud deployments, containerization (Docker), and network redundancy to ensure platform reliability. Contributed to architectural discussions and R&D initiatives for blockchain scalability.
Full Stack Engineer (Remote) at Renters Legal Liability LLC
August 31, 2019 - July 11, 2025
Developed and maintained enterprise insurance web portals and management systems. Streamlined SQL-based data pipelines and refactored legacy code, achieving 25% performance improvement. Integrated approximately 35 third-party APIs for data import related to claims management and document verification. Upgraded legacy systems to modern MEAN stack technologies. Modernized front-end UI/UX using Angular and Bootstrap, enhancing customer retention.
Lead of Engineering team / Senior Software Engineer (Hybrid) at Paynovate
October 1, 2022 - Present
Spearheaded re-architecture of core digital payment systems, significantly improving system scalability, availability, and transaction throughput. Defined technical strategy and engineering roadmap aligned with fintech compliance and innovation requirements. Led a cross-functional team of engineers in delivering cloud-native payment modules on AWS, achieving 99.99% system uptime. Integrated secure payment APIs with MFA, 3DS and PSD2 compliance, increasing authorization success rates by 12%. Championed DevOps modernization by refining CI/CD pipelines using GitLab and Docker, reducing deployment times by 40%. Conducted performance reviews, facilitated onboarding, and mentored junior developers to elevate team productivity and code quality. Managed 50% of all PCI DSS tools and servers environments.
Lead Full Stack Engineer / Engineering Manager (Remote) at GeeksForLess Inc.
August 31, 2022 - July 11, 2025
Architected and delivered high-availability SaaS platforms for finance, healthcare, insurance and logistics clients in the US. Directed the technical planning and sprint execution of modular backend systems using PHP (Laravel/Symfony) and Node.js. Served as lead technical liaison with clients, translating evolving business needs into scalable microservices. Implemented API-first development practices to ensure modularity and rapid UI integration using React and Vue. Introduced internal tooling to streamline QA and staging environments, cutting post-deploy bugs by 30%.
Senior Software Engineer (Remote) at testRTC
August 31, 2022 - July 11, 2025
Played a key role in scaling and maintaining a WebRTC testing platform used by major telecom providers. Optimized REST API services and backend event handling for large-scale data capture and analysis. Deployed Linux-based containerized services with tight uptime SLAs; introduced monitoring scripts for proactive alerting. Participated in client feedback sessions to iteratively refine testing tools and feature sets.
Senior Backend Engineer | Blockchain Gambling (Remote) at FunFair Technologies
August 31, 2022 - July 11, 2025
Led backend development for Ethereum-based gaming infrastructure with high throughput smart contract interactions. Designed secure transaction flows and implemented real-time analytics pipelines for player behavior monitoring. Developed several online casino platforms working with several 3rd party integrations. Orchestrated cross-cloud deployments, containerization (Docker), and network redundancy planning to ensure platform reliability. Contributed to company-wide architectural discussions and R&D initiatives for blockchain scalability.
Full Stack Engineer (Remote) at Renters Legal Liability LLC
August 31, 2019 - July 11, 2025
Developed and maintained enterprise insurance web portals and internal management systems. Streamlined SQL-based data pipelines and refactored legacy code, leading to a 25% performance improvement. Integrated about 35 3rd party API systems for importing data into the system APIs for claims management and document verification. Improved the old legacy system to new modern technologies with MEAN stack. Modernized front-end UI/UX using Angular and Bootstrap, improving customer retention metrics.
Lead of Engineering team / Senior Software Engineer at Paynovate
October 1, 2022 - Present
Spearheaded re-architecture of core digital payment systems, enhancing system scalability, availability, and throughput. Defined technical strategy aligned with fintech compliance and innovation. Led a cross-functional team delivering cloud-native payment modules on AWS with 99.99% uptime. Integrated secure payment APIs with MFA, 3DS, and PSD2 compliance, boosting authorization success rates by 12%. Modernized DevOps pipelines, reducing deployment times by 40%. Managed PCI DSS tools and servers, significantly improving security and compliance.
Senior Software Engineer at testRTC
August 1, 2022 - August 26, 2025
Key contributor to scaling and maintaining a WebRTC testing platform used by major telecom providers. Optimized REST API services and backend event handling for large data capture and analysis. Deployed containerized Linux services with strict uptime SLAs and implemented monitoring scripts for proactive alerts. Engaged in client feedback sessions to iteratively refine tools and features.
Senior Backend Engineer | Blockchain Gambling at FunFair Technologies
August 1, 2022 - August 26, 2025
Developed and led Ethereum-based gaming infrastructure backend, improving smart contract transaction speed and reliability. Created secure transaction flows and real-time analytics for player monitoring, increasing security and engagement insights by 20%. Developed multiple online casino platforms with third-party integrations, enhancing user engagement and revenue. Led cross-cloud deployments and Docker containerization to improve reliability and reduce downtime by 30%. Advanced blockchain scalability through architectural leadership and R&D.
Full Stack Engineer at Renters Legal Liability LLC
August 1, 2019 - August 26, 2025
Enhanced user experience and operational efficiency by developing and maintaining enterprise insurance web portals and management systems. Streamlined SQL data pipelines and refactored legacy code, achieving a 25% performance boost. Integrated over 35 third-party APIs to improve claims and document processes, increasing accuracy and speed. Modernized the legacy system using the MEAN stack, achieving a 30% performance gain and improved scalability. Updated front-end UI/UX with Angular and Bootstrap to improve customer retention.
Lead of Engineering team / Senior Software Engineer at Paynovate
October 1, 2022 - Present
Led the re-architecture of core digital payment systems, significantly improving scalability, availability, and transaction throughput. Defined technical strategy and engineering roadmap within fintech compliance frameworks such as PSD2. Managed a cross-functional engineering team to deliver cloud-native payment modules on AWS, achieving 99.99% uptime. Integrated secure payment APIs including MFA, 3DS, increasing authorization success rates by 12%. Championed DevOps modernization by refining CI/CD pipelines with GitLab and Docker, reducing deployment times by 40%. Conducted performance reviews, mentored junior developers, and managed PCI DSS tools and servers to strengthen security and operational efficiency.
Senior Software Engineer at testRTC
August 31, 2022 - August 26, 2025
Played a key role in scaling and maintaining a WebRTC testing platform used by major telecom providers. Optimized REST API services and backend event handling for large-scale data capture and analysis. Deployed Linux-based containerized services with strict uptime SLAs. Introduced monitoring scripts for proactive alerting. Engaged in client feedback sessions to refine testing tools and features iteratively.
Senior Backend Engineer | Blockchain Gambling at FunFair Technologies
August 31, 2022 - August 26, 2025
Developed and led Ethereum-based gaming infrastructure backend, significantly enhancing smart contract transaction speed and system reliability. Created secure transaction flows and real-time analytics pipelines for player behavior monitoring, increasing security and player engagement insights by 20%. Led cross-cloud deployments and Docker containerization, improving platform reliability and reducing downtime by 30%. Advanced blockchain scalability through company-wide architectural discussions and R&D, resulting in breakthrough solutions and improved system performance.
Full Stack Engineer at Renters Legal Liability LLC
August 31, 2019 - August 26, 2025
Improved user experience and operational efficiency by developing and maintaining enterprise insurance web portals and internal management systems. Streamlined SQL-based data pipelines and refactored legacy code, boosting performance by 25%. Integrated over 35 third-party API systems into the existing API infrastructure, enhancing data imports, claims management, and document verification accuracy and speed. Modernized legacy systems by implementing the MEAN stack, increasing system performance by 30%, and enhanced frontend UI/UX using Angular and Bootstrap, improving customer retention.
Lead of Engineering team / Senior Software Engineer at Paynovate
October 1, 2022 - Present
Spearheaded re-architecture of core digital payment systems to improve scalability, availability, and transaction throughput. Led development of PSD2-compliant APIs, 3DS, MFA, and SEPA/SWIFT transaction flows. Architected fintech microservices for high-throughput processing and fraud detection using Node.js and related frameworks. Integrated secure payment APIs, managing PCI DSS infrastructure, and enhancing CI/CD pipelines for zero-downtime deployments.
Senior Backend Engineer | Blockchain Gambling at FunFair Technologies
August 31, 2022 - August 26, 2025
Developed and maintained backend services for Ethereum-based iGaming platforms using Node.js, NestJS, and Solidity. Created modules for decentralized gambling apps including bet resolution, RNG, payout engines, and transaction tracking. Integrated Web3 tools for crypto wallet authentication and token interactions. Led blockchain scalability initiatives and developed smart contract-based secure on-chain games and token staking mechanisms.
Senior Software Engineer at testRTC
August 31, 2022 - August 26, 2025
Played a key role in scaling and maintaining a WebRTC testing platform used by major telecom providers. Optimized REST API services and backend event handling for large-scale data capture and analysis. Deployed Linux-based containerized services with strict uptime SLAs and introduced monitoring scripts for proactive alerting. Participated in client feedback sessions to iteratively refine testing tools and features.
Full Stack Engineer at Renters Legal Liability LLC
August 31, 2019 - August 26, 2025
Improved user experience and operational efficiency by developing and maintaining enterprise insurance web portals and internal management systems. Streamlined SQL data pipelines and refactored legacy code, resulting in a 25% performance improvement. Integrated over 35 third-party APIs, enhancing claims management and document verification accuracy and speed. Transformed legacy system with MEAN stack and modernized front-end UI/UX with Angular and Bootstrap, boosting customer retention.

Education

Bachelor's Degree at Yerevan State University
January 1, 2013 - December 31, 2013
Bachelor's Degree at Yerevan State University
January 1, 2013 - December 31, 2013
Bachelor at Yerevan State University
January 1, 2009 - January 1, 2013
Bachelor at Yerevan State University
January 1, 2009 - January 1, 2013
Bachelor at Yerevan State University
January 1, 2009 - January 1, 2013

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Gaming, Healthcare, Transportation & Logistics, Telecommunications, Professional Services