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Lead Full Stack Engineer · 10+ Years

Mohit
Jayee

Full-stack engineer with a decade of experience building enterprise platforms, distributed microservices, and production-grade web applications. Currently leading back-office engineering at Payoneer.

LinkedIn ↗
10+
Years Experience
19+
Projects Delivered
7
Live Projects
01

Featured Work

Total Projects Delivered 19+
10
Nagarro
3
Vitrana
2
TCS
2
S&P Global
2
Payoneer
Publicly Showcased 7
02

Other Projects

01

International Compliance Association

Significant Contributor · Filtering Module Lead

Made significant contributions to the ICA platform — the world's leading professional body for regulatory & financial crime compliance, serving 30,000+ members across 155 countries. Developed the complete courses and events filtering system from scratch.

UmbracoJavaScriptHTML / CSS
int-comp.org ↗
02

RISE Health — Event Agenda Template

Solo Developer · Reusable Template System

Developed a reusable, customizable agenda page template from scratch for RISE Health's ecosystem of event minisites. The same template powers agenda pages across multiple RISE Health summits — each independently configurable per event.

Umbraco.NETTemplate System
vbc.risehealth.org ↗
03

Mercia Group

SSO Integration · Umbraco Auth

Implemented Single Sign-On (SSO) between the legacy and redesigned Mercia Group websites using OKTA via OpenID Connect and OAuth 2.0. Integrated Umbraco CMS authentication, enabling seamless login continuity for thousands of accountancy professionals.

OKTASSOOpenID ConnectUmbraco
mercia-group.com ↗
04

Bond Solon

Frontend & Backend Contributor

Contributed to the Bond Solon platform — a UK-based professional training company serving 23,000+ professionals annually across expert witness, investigations, health & social care, and HR sectors. Developed new pages and delivered frontend and backend improvements.

Umbraco.NETJavaScriptHTML / CSS
bondsolon.com ↗
05

CLT International

Rebranding · Backend Upgrade

Involved in the full rebranding and backend upgrade of the CLTI platform — a professional qualifications provider for the finance and legal sector, offering STEP-certified courses in trust management, private wealth, tax, and estate planning globally.

Umbraco.NETRebranding
cltint.com ↗
06

FRA Conferences

Filtering · Agenda Page Development

Developed filtering functionality and agenda pages for FRA Conferences — an industry-leading conference platform for finance and law enforcement professionals in the US. Agenda pages follow the same reusable template approach as the RISE Health minisite system.

Umbraco.NETJavaScriptTemplate System
fraconferences.com ↗
07

ARK Group

★ Built solo Retired
Sole Developer · Built from Scratch · Angular

Architected and developed the entire ARK Group website single-handedly from scratch using Angular — a knowledge and research platform for finance and law enforcement professionals, operating under the FRA / Wilmington plc umbrella. The site has since been retired.

AngularWeb APIJavaScriptSQL Server
ark-group.com · retired
03

Skills & Technologies

Backend
C#.NETASP.NET MVCWeb APIGraphQLEntity FrameworkADO.NETJava
Frontend
ReactTypeScriptJavaScriptjQueryHTML5CSS3BootstrapAJAX
Cloud & DevOps
AWS EKSAzureDockerKubernetesTeamCityOctopus DeployApache PulsarAWS Lambda
Databases
SQL ServerOracleMS AccessMulti-tenancy DB
Tools & Platforms
Umbraco CMSSplunkSonarQubejFrogRancherHashicorp VaultOKTACursor AI
Source Control
GitGitHubGitLabBitbucketAzure DevOpsTFS
Principles
SOLID · TDD · MVVM · MVC
Design Patterns
Strategy · DDD · Singleton · Pub-Sub
Data Formats
JSON · XML · Protobuf
04

Experience

Jan 2026 — Present
Lead Full Stack Engineer
Payoneer · Gurugram, Haryana
  • Acting as functional lead for back-office capabilities within the OneX platform — owning design, implementation, and technical decision-making
  • End-to-end ownership of backend services and APIs, from requirements clarification to production deployment
  • Driving architecture discussions for new features, scalability improvements, and system integrations
  • Mentoring engineers on code quality, design patterns, and best practices
  • Core member of hiring panel — interviewed 30+ candidates and contributed to engineering hiring decisions
  • Built a custom Cursor AI skill to run SonarQube analysis locally, reducing violations and accelerating delivery
Feb 2023 — Jan 2026
Software Development Engineer 3
S&P Global · Gurugram, Haryana
  • Led a team of 7 engineers to build an Exception Management module for an enterprise EDM SaaS platform
  • Developed 3 microservices for a multi-tenancy feature using .NET 6 and GraphQL
  • Implemented Publisher-Subscriber pattern with Apache Pulsar using Google Protobuf
  • Implemented multi-tenancy database creation using Hashicorp Vault and AWS Secrets Manager
  • Integrated Splunk Open Telemetry Collector to reduce Mean Time to Mitigate (MTTM) for incidents
  • Deployed and managed containerised workloads using AWS Elastic Kubernetes Service (EKS) and Rancher
  • Implemented server-side pagination and date-time localisation for a React + TypeScript Kendo Grid
Aug 2019 — Feb 2023
Staff Engineer
Nagarro · Gurugram, Haryana
  • Built Axco Intelligence platform entirely from scratch as sole developer — live at axcoinfo.com
  • Implemented SSO across 2 websites using OKTA via OpenID Connect and OAuth 2.0
  • Led a team of 5 in building ecommerce platforms using Umbraco and Angular
  • Rebranded 4 Umbraco websites for improved functionality, UX, and SEO
  • Automated CI/CD pipelines on 10+ websites using TeamCity and Octopus Deploy
  • Contributed to ICA — developed courses and events filtering module from scratch
  • Developed reusable event agenda template system for RISE Health and FRA Conference minisites
Nov 2017 — Jul 2019
Senior Software Engineer
Vitrana · Noida, Uttar Pradesh
  • Independently managed 5 projects and web applications simultaneously
  • Added two-factor authentication to a medical web application
  • Built filtering and sorting functionality for patient adverse case data management
  • Analysed technical debt and drove prioritisation discussions with stakeholders
Dec 2015 — Nov 2017
Assistant System Engineer
Tata Consultancy Services · Mumbai, Maharashtra
  • Developed and maintained a live stock market trading system
  • Monitored the trading platform during market hours and resolved production issues in real-time
  • Conducted performance testing: load, spike, breakpoint, and endurance testing
  • Contributed to an order status application delivering post-market close reporting
Jan 2015 — Jun 2015
Intern
Hewlett Packard · Gurugram, Haryana
  • Contributed to "Crime and Criminal Tracking Network and Systems" for rural areas
  • Developed ASP.NET web forms using C#, LINQ, AJAX, and ADO.NET
05

Education & Certifications

2011 — 2015
B.Tech in Computer Science Engineering
Manav Rachna College of Engineering · Faridabad, Haryana
S&P Global
AI for Everyone
Microsoft
Azure Fundamentals (AZ-900)
Microsoft
Azure AI Fundamentals (AI-900)
National Stock Exchange
NCFM: Financial Markets Fundamentals
National Stock Exchange
NCFM: Equity Derivatives Fundamentals
Stanford University
Technology Entrepreneurship

Let's build
something great.

Open to senior roles, architecture discussions, and interesting problems.

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