Salim Baktash
I build distributed, high-performance backend systems and modern web apps. Specializing in Go, TypeScript, NestJS, and Next.js.
About Me
Self-taught backend and full-stack engineer with 5+ years of professional experience building scalable distributed systems and modern web applications. Proven track record architecting microservices, event-driven pipelines, and high-performance APIs in production environments serving thousands of concurrent users.
Strong background in Go, TypeScript, NestJS, and Next.js, with active specialization in AI/ML and LLM engineering. Also experienced as a software engineering educator, having mentored developers and designed curriculum covering modern backend systems and software architecture.
Open to remote opportunities globally.
Skills
Experience

Senior Backend Developer
Netlinks Inc
Oct 2024 – Mar 2026 • On-site
- •Architected microservices using Go (Gin) and NestJS, supporting thousands of concurrent users across production workloads.
- •Built event-driven data pipelines with Kafka, reducing message processing latency by ~40%.
- •Integrated 10+ third-party APIs and cloud services including AWS S3 and Firebase, improving system extensibility.
- •Led microservices migration initiative, improving system observability and significantly accelerating deployment velocity.

Full Stack Developer
Listoli LLC
Jan 2024 – Oct 2024 • Remote
- •Built e-commerce and listing platforms using NestJS and Next.js, handling full product lifecycle from design to deployment.
- •Implemented JWT authentication and RBAC, securing API access across multiple user roles.
- •Reduced API response times by 25% through query optimization and route-level caching strategies.
- •Designed PostgreSQL and MongoDB schemas; managed containerized deployments via Docker.

Software Engineer
Top In Town Technology
2021 – 2023 • On-site
- •Developed and maintained full-stack web applications using Node.js, React, and RESTful APIs.
- •Designed scalable backend services applying clean architecture principles.
- •Optimized application performance and system reliability through refactoring and production monitoring.
- •Worked with cross-functional teams to ship production-ready features on schedule.
Projects
jobs.af
Backend Team LeadLed backend architecture for Afghanistan's leading job platform — listings, search, application tracking, and ATS integration. Designed and built a semantic Applicant–Job Matcher microservice using gRPC, Sentence-Transformers, and scikit-learn.
Sky Sarafi
Full Stack DeveloperBuilt full-stack currency exchange SaaS: NestJS backend, admin portals, and multilingual React frontend in a monorepo architecture.
Skypen / AFEX
Full Stack DeveloperDelivered backend services, REST APIs, and CMS features for two separate corporate technology and consultancy platforms.
Project Vectorizer
Solo DeveloperCLI tool that vectorizes entire codebases and exposes them via Model Context Protocol (MCP), enabling AI agents to semantically navigate large projects.
Job Recommendation System
Solo DeveloperVector embedding-based job recommendation engine using cosine similarity for personalized, scalable job matching.
Job Portal Spam Detector
Solo DeveloperNLP spam detection system using zero-shot classification (BART-MNLI) with rule-based heuristics and risk scoring — allow / shadow-review / block actions.