Johnson Sequeira
@johnsonsequeira
Backend engineer specializing in Node.js (NestJS) and scalable cloud APIs.
IndiaWhat I'm looking for
I am a backend-focused software engineer with over 12 years building scalable web applications, APIs, and distributed systems using Node.js (NestJS), MongoDB, and cloud-native architectures.
At Needle Innovision (acquired by Veltris) I served as Principal Engineer / Technical Lead, designing high-volume backends, RESTful APIs, microservices, and integrating blockchain and AI/ML components while leading agile teams.
I also work part-time as a Technology Lead, architecting and deploying backend solutions (Node.js, Express, MongoDB, PHP, MySQL), managing technical strategy, client relationships, and delivering SEO-optimized web applications.
Earlier, I led teams building internal web and mobile applications, modernized legacy systems, and automated processes to reduce reporting time; I hold a BSc (Physics, Maths & Computer Science) and have published research on blockchain applications.
Experience
Work history, roles, and key accomplishments
Technology Lead
DigiTalentio IT Solutions
Jan 2023 - Present (2 years 8 months)
Architected and deployed backend solutions for client platforms using Node.js (Express) and MySQL/PHP, led technical strategy and end-to-end project delivery while handling client interactions and SEO improvements.
Technology Lead
ICSA
Jan 2019 - Present (6 years 8 months)
Automated core business processes by developing backend workflows and custom APIs, reducing manual workloads and improving search rankings via on-page and off-page SEO optimizations.
Principal Engineer
Needle Innovision
Jul 2019 - Aug 2024 (5 years 1 month)
Designed and developed scalable backend systems using Node.js (NestJS) and MongoDB for high-volume client applications; implemented microservices and RBAC-secured RESTful APIs, leading teams to deliver features ahead of deadlines for multiple international clients.
ILLed a 10-member team building internal web and mobile applications; designed and integrated backend services using VB.NET and SQL Server, streamlining legacy processes and reducing reporting times through automation.
Education
Degrees, certifications, and relevant coursework
Alva's College of Education (Mangalore University)
Bachelor of Science, Physics, Mathematics & Computer Science
Grade: First Class with Distinction
Bachelor of Science in Physics, Mathematics and Computer Science awarded with First Class with Distinction.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
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