Saarang Tiwari

CTO

United Kingdom9 yrs 11 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in backend application development with Node.js and Java.
Proven track record in leading engineering teams and driving best practices.
Innovative solutions in security and automation for software delivery.

Stackforce AI infers this person is a Fintech and SaaS expert with strong backend development and team leadership skills.

Contact

Skills

Core Skills

Technical LeadershipPlatform EngineeringNode.jsJavaKubernetesAwsAngularDevopsJavascriptWebsocketFlutter

Other Skills

Executive TeamDatabasesSystem ArchitectureTeam LeadershipPostgreSQLLinuxTypeScriptAmazon Web Services (AWS)CloudflareProblem SolvingGoPythonElasticsearchMongoDBRedis

About

Principal Software Engineer with almost 8 years of experience with a talent for simplifying complex problems and crafting innovative solutions including but not limited to scalable and maintainable systems from ground up, designing systems and infrastructure, building mobile apps, web apps and backend systems. My primary skills are developing high-performance, reliable and observable backend applications using Node.js & Java, currently learning Go as well, implementing TDD methodologies, and leveraging DevOps practices with Docker, Kubernetes, Terraform, ArgoCD. Skilled in leading, training and mentoring engineering teams and driving best software development practices. Committed to delivering exceptional results, optimising efficiency, and utilising technology to drive growth. I love learning new things and currently I am learning C++,Python and Machine Learning.

Experience

9 yrs 11 mos

Total Experience

2 yrs 5 mos

Average Tenure

4 yrs 7 mos

Current Experience

Costello medical

4 roles

Head of Engineering

Promoted

Dec 2025 – Present · 4 mos

Technical LeadershipPlatform EngineeringExecutive TeamDatabasesSystem ArchitectureTeam Leadership

Engineering Lead

May 2024 – Dec 2025 · 1 yr 7 mos

Principal Software Engineer

Sep 2022 – Dec 2025 · 3 yrs 3 mos

Streamline software delivery: Migrated pm2 based deployment to Kubernetes for automated deployment, scaling and better microservice management
Build backend microservices: Developed applications for internal Project management, Literature review sifting and Legal contract management system using Node.js, Java & Go
Innovations: Build python script for rotating database credentials and their respective credentials in kubernetes secrets. Developed automated Database backup scripts for additional security
Logging & monitoring: Integrated Elasticsearch, Fluentd and AWS ELK for log collection
Implement Security & GDPR principles: constantly learning & implementing latest security best practices and user data protection rules
Machine Learning: Researching how we can implement Generative AI to improve company’s productivity by adding it in existing applications
Team capacity building: Delivered training and guidance. Responsible for hiring the Engineering team

JavaScriptSystem ArchitectureKubernetesDevOpsPostgreSQLLinux+7

Lead Developer

Sep 2021 – Sep 2022 · 1 yr

Design & implement Kubernetes for distributed backend and frontend angular applications
Implemented CI/CD pipelines for frontend and backend applications
Developed microservices in Node.js with a bullet-proof code architecture
Developed some services in Go to get better performance and reduce deployment overhead
Document guidelines, deployment process and best practices for the team
Design and architect server & database for better performance, lower server cost and scalability
Integrated Elasticsearch, Fluentd and Kibana for logging and analysing information
Implemented security policies to protect Infrastructure using Cloudflare
Currently researching how to use gRPC for better performance and scalability of applications
Responsible for training, building, leading and hiring the Engineering team

JavaScriptAngularKubernetesDevOpsPostgreSQLLinux+6

Zebpay

Technical Lead

May 2020 – Aug 2021 · 1 yr 3 mos · India

ZebPay is India’s 1st cryptocurrency exchange for investing in digital currencies and has more than 3 million users. Part of the core product team responsible for design and delivery of crypto trading platform ZEBB, which allows users to instantly buy, sell and create SIP of Bitcoin & Ethereum in a simple, secure and easy manner.

JavaScriptWebSocketAngularPostgreSQLLinuxTypeScript+6

Coindcx

Full-stack Developer

Oct 2018 – Apr 2020 · 1 yr 6 mos · Mumbai Area, India

Managing and developing (Android Application for Cryptocurrency trading for Coindcx).
Contributing to Cryptocurrency exchange platform web app development using Angular.
Led and developed the Flutter mobile app team, introduced architecture patterns and best practices.
Researched and developed a highly available and performant socket server with a capacity to handle 1 Million Concurrent connections using Websockets, Redis, and Kafka(The Message broker), which helped us to cut down our dependency on 3rd party tools like Pusher.
Built few Blockchain wallets using Nodejs which are actively used on CoinDCX Exchange.

JavaScriptWebSocketAngularPostgreSQLFlutterRedis+5

Cybertech systems and software, inc

3 roles

GIS Programming Analyst

Apr 2016 – Jul 2017 · 1 yr 3 mos

Promoted to GIS Programming Analyst in SDK team of ESRI, with primary goal of providing resolution and developing sample application for ESRI Clients.
Skilled in ESRI Softwares
ArcGIS Desktop, ArcGIS Server, ArcGIS Online.
Skilled in Development Environments:
Android Studio, Visual Studio.

Subject Matter Expert - Android and Web Development

Jan 2016 – Aug 2018 · 2 yrs 7 mos

Being Subject Matter Expert - Android and Web Development, my primary responsibility is to provide best possible solutions to the ESRI Clients working Mobile development SDK(Android and iOS) and Web development(Javascript AP, WebAppBuilder) along with suggesting best possible practices to setup ArcGIS Server for best performance for the applications.

GIS Programming Analyst- Trainee

Jan 2016 – Mar 2016 · 2 mos

This was my first step after clearing ESRI Interview. I was recognized and I earned the post of GIS Programming Analyst- Trainee for ESRI SDK Team.
I started understanding how to resolve ESRI customer's development projects issue by using best ways of communication in combination with troubleshooting skills.