Elias Soykat

Senior Full Stack Software Engineer with 5+ years of experience building scalable SaaS and fintech platforms end-to-end. Expertise across React, Next.js, Node.js, NestJS, and TypeScript, with a strong focus on designing reliable, high-performance systems. Experienced in distributed architectures, microservices, and event-driven systems using Kafka, BullMQ, and gRPC, alongside PostgreSQL, Redis, and AWS.

Proven ability to translate complex business requirements into robust technical solutions, improve system reliability, and scale products for real-world usage.

Senior Full Stack Developer at TechnoNext Software Limited (2025-06 – Present)

• Architected a bulk product ingestion pipeline processing 100K+ SKUs using async BullMQ workers, S3 streaming, and staged validation, reducing manual operations by 80%
• Designed event-driven microservices with Apache Kafka for real-time product sync, flash-sale campaigns, and fault-tolerant retry flows across distributed services
• Built gRPC-based internal services for inventory management, seller validation, voucher engine, and logistics integrations
• Delivered a full order lifecycle system with third-party logistics API integration, SLA tracking, automated notifications, and real-time operational dashboards
• Resolved BullMQ + Redis queue bottlenecks, retry failures, and timeout instability under high-load workloads, improving job processing reliability and overall system throughput
• Developed high-performance seller and admin dashboards using React and NestJS, improving usability for complex operational workflows

Senior Frontend Developer at NEXT Ventures (2023-08 – 2025-05)

• Contributed to frontend architecture and implementation for a fintech trading platform handling real-time market data, transactional workflows, and compliance-sensitive user operations
• Built websocket-driven real-time dashboard updates for high-frequency market activity, optimizing rendering performance through React memoization and structured state management
• Designed scalable frontend state management workflows for authentication, onboarding, trading operations, and real-time portfolio synchronization
• Implemented TOTP-based multi-factor authentication, device fingerprinting, and KYC/AML onboarding workflows using Sumsub OCR verification, reducing unauthorized access incidents and improving user verification efficiency
• Built multilingual platform support across 5+ languages using Next.js and i18Next, while improving frontend maintainability through reusable component structures and modular dashboard layouts
• Collaborated with backend, product, and QA teams to deliver responsive production-ready financial workflows, including server-side PDF certificate generation and operational dashboard features

Backend Developer (Node.js) at Dorik AI (2019-06 – 2023-07)

• Designed and maintained a public-facing GraphQL API platform powering integrations with Zapier, Notion, and Google Docs, handling thousands of developer requests daily
• Reduced third-party integration time by 40% through improved API schema design, structured developer documentation, and consistent error contracts
• Implemented OAuth2 authentication, token-based rate limiting, and fault-tolerant error handling for high-concurrency API traffic
• Integrated Airtable as a headless CMS backend, reducing internal content operations workload by 20%
• Established observability using Datadog (metrics, traces, alerting), achieving and sustaining 99.9% API uptime

Frontend Developer at Penta Global Limited (2019-04 – 2022-05)

• Built a government-backed digital investment platform in React.js, contributing to a 23% increase in regional investment registrations
• Developed a QR-code-based digital certificate system, reducing manual certificate processing time by 30%
• Migrated 30+ legacy Laravel views to modern React components while preserving data integrity and API compatibility
• Collaborated with backend and QA teams to deliver responsive, production-ready features with improved usability and cross-browser compatibility

Bachelor of Science in BSc – National University Bangladesh (2015 – 2020)