App LogoApp name
AS

Abhishek Singh

Open to work2 years experience

Software Engineer

New Delhi, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Engineer at Micro SaaS Capital | Full-stack & Infrastructure Specialist

GitHubLinkedIn
Resume
Email

Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

38 skills
pythoncc++htmlcssjavascripttypescriptrustsqlelectrontauritanstackastronextjsreactjsnodejsexpressjstailwindcssdockerwebpackbunapollobullmqgraphqlnginxhaproxyredispostgresqlmongodbfirebasesupabaseclaudecodexgoogle cloud platformhumiodatadogamazon web servicesazure

GitHub Activity Evidence

GitHub Footprint Not Connected

Recruiters value verified code contributions. Linking a GitHub account displays live heatmaps, active contribution metrics, repository languages, and push activity tags.

Work Experience

Software Engineer

Micro SaaS Capital

Jul 2024 - Present Remote
  • Scaled acquired SaaS products from early post-acquisition stage to > $1M ARR , contributing across Nolt.io, Testmail.app, QuestionScout, and Handbooks.io.
  • Led infrastructure overhaul by migrating from AWS ECS to self-managed Docker Swarm on EC2, reducing costs and improving deployment flexibility.
  • Architected multi-region (US/EU) system with traffic steering and ¡5 min downtime, ensuring GDPR-compliant data residency.
  • Built end-to-end CI/CD pipeline (GitHub Actions → Docker Hub → Webhooks) with blue-green deployments and automated rollback, maintaining 99.9% uptime.
  • Designed and scaled an 8-service microservice architecture with GraphQL, Redis-based rate limiting, and service discovery.
  • Implemented Postgres-based distributed locking and resilient cron system, eliminating duplicate job execution in production.
  • Replaced Algolia with PostgreSQL full-text + vector search (tsvector, pg trgm, pgvector), reducing external dependency costs and improving query performance.
  • Built multi-LLM orchestration layer (OpenAI, Cohere, Gemini) with BYOK support, rate limiting, and content moderation pipeline.
  • Optimized infrastructure costs by fixing Redis memory leaks (8GB → 2GB) and implementing incremental CI builds.
  • Implemented observability stack using Datadog, distributed tracing, and centralized logging (Fluentbit → S3 → Humio) for production monitoring and alerting.
  • Led zero-downtime migrations (Heroku → AWS, region migrations, S3/Redis transitions) and built internal tooling for preview environments and domain orchestration.
  • Mentored and managed a team of interns by assigning tasks, reviewing PRs, and guiding them through end-to-end feature development across frontend, backend, and infrastructure.
  • Conducted 80+ technical interviews for SDE and DevOps roles, contributing to hiring and team scaling efforts.

Projects

GraphQLRedisPostgreSQL
  • Built and scaled the complete Nolt.io platform with modern, responsive UI and high-performance frontend architecture.
  • Developed core features including Kanban boards, changelog views, keyboard shortcuts, and embeddable widgets.
  • Designed user segmentation and real-time notification systems for targeted engagement.
  • Built AI-powered moderation system for spam and content filtering.
  • Integrated third-party tools like ClickUp, Trello, Linear, and Slack.
  • Implemented high-performance GraphQL APIs with DataLoader optimization and Redis-based rate limiting.
  • Replaced Algolia with PostgreSQL full-text + vector search, improving performance and reducing costs.

Handbooks.io

View Project
GraphQL
  • Re-architected backend using GraphQL, improving flexibility, performance, and developer experience.
  • Implemented document versioning with HTML diffing and state restoration, similar to Google Docs.
  • Built AI-powered document editing and automated compliance workflows for state-specific policy updates.
  • Engineered a zero-knowledge, end-to-end encrypted (E2EE) e-signature system aligned with eIDAS digital signature compliance standards.
  • Implemented enterprise-grade SSO authentication (SAML/OAuth) enabling secure integration with external identity providers.

Testmail.app

View Project
  • Architected and implemented the landing page and marketing site with a focus on performance optimization, SEO, and scalable frontend architecture.
  • Built an email inspection and debugging tool with full HTML rendering, MIME parsing, and raw source analysis.
  • Designed a secure mail sinkhole system to capture, store, and analyze transactional and marketing emails in isolated environments.
  • Extended the platform to mobile by building an SMS testing system (TestSMS), enabling developers to capture, inspect, and debug inbound SMS workflows in real-time.
  • Engineered scalable ingestion and processing pipelines for email and SMS events, ensuring reliable handling of high-throughput messaging workflows.
  • Integrated Ghost CMS via Content API for dynamic, headless blog delivery with optimized content fetching and caching.

Questionscout.com

View Project
  • Optimized infrastructure and background job processing, reducing server costs while improving system stability under production load.
  • Engineered a white-label multi-tenant system with custom domain support, including automated SSL provisioning and routing across isolated environments.
  • Implemented resource lifecycle management and garbage collection pipelines to detect and purge orphaned assets, reducing storage overhead.
  • Built a flexible rich text editor and dynamic form builder supporting complex survey creation workflows.
  • Improved data integrity and system reliability by handling edge cases in multi-tenant data isolation and asset management.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Achievements Not Earned

Special rewards, developer badges, system recognition certificates, and conceptual milestones will display here.

About Details

Professional Bio

Software Engineer with experience scaling SaaS products to >$1M ARR. Expert in infrastructure migration, microservice architecture, and full-stack development using Python, TypeScript, and PostgreSQL. Proven track record in optimizing system performance, cost reduction, and team leadership.

Bachelor of Technology in Information Technology

Guru Gobind Singh Indraprastha University (2020 - 2024)

Languages: English, Hindi
Email: Locked