JOUSHWA SHAHZAD Senior Full-Stack Software Engineer 📍 Karachi, Pakistan​ ✉ joushwashahzad1@gmail.com​ 📞 +92-309-2954640​ 🔗 linkedin.com/in/joushwashahzad PROFESSIONAL SUMMARY Senior Full-Stack Software Engineer with 5+ years of experience delivering scalable production systems across healthcare, PropTech, freight logistics, and SaaS domains. Proven track record leading teams of 10+ engineers and architecting end-to-end solutions — from 3-queue BullMQ data pipelines and real-time Socket.IO platforms to AI-powered automation tools, care coordination systems, and intelligent property scoring engines. Deep expertise in the MERN stack, Next.js, TypeScript, PostgreSQL, Redis, cloud infrastructure on AWS, and integrating Large Language Model APIs (OpenAI, Anthropic Claude) into production applications. Actively seeking relocation to Singapore, Germany, or UK with full visa sponsorship. TECHNICAL SKILLS Languages: JavaScript, TypeScript Frontend: React.js, Next.js, React Native, Redux Toolkit, Tailwind CSS, Material UI, Ant Design, Bootstrap, Sass, Socket.IO Client Backend: Node.js, Express.js, NestJS, REST APIs, GraphQL, BullMQ, Socket.IO, Swagger / OpenAPI, Zod Databases: PostgreSQL, MongoDB, MySQL, Redis, Mongoose, Prisma, TypeORM, Supabase Cloud & DevOps: AWS (S3, EC2), Digital Ocean, Docker, GitHub Actions, CI/CD, Nginx Auth & Security: JWT, Passport.js, Argon2, Helmet, Express Rate Limit, RBAC Integrations: Firebase, Google Maps API, Cloudinary, AWS S3, Nodemailer, Geocodio, Trimble Maps AI & LLM: OpenAI API, Anthropic Claude API, LangChain, Prompt Engineering, LLM Integration, Retell AI Tools: Git, JIRA, Agile / Scrum, Postman, Figma, Prisma Migrations PROFESSIONAL EXPERIENCE Senior Software Engineer​ Nov 2024 – Present Netpace Pvt Ltd · Karachi, Pakistan ▸​ Led a cross-functional team of 10 engineers across concurrent projects in freight logistics, PropTech, and healthcare domains, managing sprint delivery and technical architecture decisions. ▸​ Integrated LLM APIs (OpenAI, Anthropic Claude) into internal productivity tools — engineering prompt pipelines, structured JSON output parsing, and dynamic context management to automate content and workflow generation. ▸​ Designed and built a production SaaS for freight rail operators: engineered a 3-queue BullMQ pipeline (csv-import, exception-evaluation, od-recalculation) that fully automated daily CSV trace report ingestion, eliminating 100% of manual processing and all data entry bottlenecks. Everest Railcar — ▸​ Built 5 automated exception rules (Bad Order, Dwell, Transit Delay, Underutilization, Bad Customer) with per-customer threshold overrides, ExceptionClearance audit trails, SPLC location resolution (214k+ railroad city codes), and 9 real-time KPI widgets including historical ETA estimation on an interactive map dashboard. Everest Railcar — ▸​ Architected a real-time collaborative PropTech platform for home buyers, partners, and agents: built Socket.IO-powered Share/Compare rating workflows, a priority-weighted home scoring engine, and integrated AWS S3, Cloudinary, Firebase push notifications, and Google Maps / Places API for property search. ShackWise — ▸​ Secured API layer with JWT + Passport, Argon2 password hashing, Helmet, and Zod schema validation; generated OpenAPI docs with zod-to-openapi and Swagger UI; used Pino + Morgan for structured observability. ShackWise — ▸​ Built a full-stack care coordination platform with intelligent caregiver-client matching (services, availability, proximity via Google Maps), end-to-end shift lifecycle (creation, publishing, offers, accept/decline, assignment), and queue-based notification processing on a Next.js + Node.js + PostgreSQL + Prisma stack. Azara Health Care — ▸​ Delivered RBAC dashboards for 4 roles (Super Admin, Scheduler, Caregiver, Client) and server-side CSV / PDF export reporting; implemented recurring schedule support and real-time operational notifications with read-state tracking. Azara Health Care — Senior Software Engineer​ Apr 2024 – Oct 2024 Concept Recall · Karachi, Pakistan ▸​ Designed and implemented a REST API integration layer enabling seamless data exchange between the platform and external enterprise systems. ▸​ Architected and deployed a highly-available, fault-tolerant web application using modern cloud technologies and CI/CD pipelines. ▸​ Led a team of software engineers to deliver a complex application within a compressed timeline, managing technical scope, sprint planning, and cross-team dependencies. Senior Software Engineer​ Nov 2022 – Apr 2024 Sunbonn · Remote ▸​ Designed and delivered full-stack MERN web applications ranging from small business solutions to large enterprise platforms, owning the full project lifecycle from architecture to deployment. ▸​ Enforced engineering standards through systematic code reviews, unit testing coverage, and best practices documentation; mentored junior developers and maintained comprehensive technical documentation. ▸​ Led and managed concurrent projects, translating business requirements into technical specifications and ensuring on-time delivery across distributed team structures. Mid Level Software Engineer​ Jan 2022 – Oct 2022 Kahoo Digitals · Karachi, Pakistan ▸​ Developed and maintained RESTful APIs and backend microservices using Node.js and Express.js across multiple client projects. ▸​ Built dynamic, cross-browser-compatible React.js interfaces and conducted unit testing and debugging to maintain reliability and performance standards. MERN Stack Developer​ Apr 2021 – Dec 2021 Technado Pvt Ltd · Karachi, Pakistan ▸​ Optimized application performance through code refactoring, database query improvements, and Redis caching strategies; developed automated test suites to improve code coverage. ▸​ Collaborated with product managers and designers to refine requirements, ensuring alignment between technical implementation and product goals. Junior MERN Stack Developer​ Feb 2020 – Mar 2021 5 Cube · Karachi, Pakistan ▸​ Collaborated with cross-functional teams to deliver high-quality software solutions; built Node.js / Express APIs that improved system throughput and refactored legacy code for maintainability. KEY PROJECTS AT NETPACE Everest Railcar Tracking Dashboard · Node.js · TypeScript · PostgreSQL · Redis · BullMQ · Prisma · Trimble Maps Production-grade freight rail SaaS — real-time railcar visibility, automated CSV pipeline (3-queue BullMQ), 5-rule exception engine, SPLC location resolution (214k+ codes), 9 KPI widgets, and historical OD-pair ETA modelling. Eliminated 100% of manual daily CSV processing. ShackWise · React 18 · TypeScript · Node.js · MongoDB · Redis · BullMQ · Socket.IO · AWS S3 · Firebase Collaborative PropTech platform for home buyers, partners, and agents. Priority-weighted scoring engine, real-time Share/Compare rating workflows via Socket.IO, Google Maps integration, Argon2 auth, and Swagger-documented API. Azara Health Care · Next.js · Node.js · TypeScript · PostgreSQL · Prisma · Google Maps · BullMQ Care coordination platform with intelligent caregiver-client matching, full shift lifecycle management, RBAC for 4 user roles, queue-based notifications, and server-side CSV/PDF reporting for staffing analytics. 5 Peaks Youth Solutions · Next.js · NestJS · TypeScript · PostgreSQL · Prisma · Redis · WebSockets · JWT · AWS / DigitalOcean FERPA-compliant Student Information & Youth Program Management SaaS for a US-based youth development organization — centralising attendance, behavioural observations, academic monitoring, and program engagement into a single, role-gated platform for Admins, Coaches, and Students. • Architected a three-portal system (Admin · Coach · Student) with JWT-based RBAC and refresh token rotation; designed AuditLog schema to satisfy 7-year FERPA data retention requirements. • Designed PostgreSQL schema using Prisma ORM — covering Student, AttendanceRecord, Observation, Survey/SurveyResponse, SurveyResponseScore, StudentKpiSnapshot, and SystemConfiguration entities; enforced column-level AES-256 encryption on all PII fields. • Engineered a dual-KPI calculation engine (Behavioral Reduction · Wellbeing Improvement) with admin-adjustable domain weights stored as versioned JSON config; built minimum-cohort guard (n ≥ 5) to balance statistical validity with student privacy on the public-facing dashboard. • Built a scheduling and attendance service with idempotent reminder logic (reminderSentAt guard) to prevent double-firing of coach notifications and decouple baseline record creation from time-window triggers. • Scoped a multi-channel alerting system with overdue triggers for attendance, self-assessment surveys, participation forms, and coach assessments; weekly digest views segmented by role (coach → own students, admin → platform-wide). • Led Sprint 0 discovery with the program's subject-matter expert (Kelly) to translate domain knowledge — including SEWS/Location Finder survey taxonomy and cycle-level form cadence — into formal PRD, TRD, and ADR-001 architectural decision records. • Defined a phased delivery roadmap: Phase 1 (core SIS, attendance, observations, surveys, KPIs — 300 hrs / 8 sprints); Phase 2 (real-time WebSocket chat with coach–student–admin oversight). EDUCATION Bachelor of Sciences — Computer Science​ Graduated Iqra University Main Campus · Karachi, Pakistan ADDITIONAL Languages: English (Professional — C1), Urdu (Native) Visa Status: Pakistani national · open to full sponsorship — Employment Pass (SG) · EU Blue Card (DE) · Skilled Worker Visa (UK) Availability: Available to relocate with reasonable notice