Senior Full Stack Engineer, Python, ReactJS

ItsaCheckmate

. Collaborate with Product, Design, and Engineering teams to design, build, test, deploy, and maintain scalable web applications .

Posted 10/15/2026full-timeRemote • IndiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and maintaining scalable web applications using Python and React.js, with a strong focus on API development, performance optimization, and technical debt reduction. Proven ability to collaborate effectively in remote, multi-team environments while mentoring junior engineers and promoting best practices.

Highest-signal resume keywords

Python DevelopmentReact.js FrameworkRESTful and GraphQL API IntegrationAWS Application DevelopmentAI Coding Agents Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SQL Query OptimizationAsynchronous Application ProcessingCI/CD DevelopmentAutomated TestingTechnical Specification Creation

Soft Skills

CollaborationMentoringAccountabilityProblem-Solving

Tools & Technologies

DockerDatadogSentryNew RelicGithub Actions

Certifications & Qualifications

Bachelor’s Degree in Computer Science or Engineering

Industry Keywords

Enterprise Level ApplicationsHigh-Volume Transactional EnvironmentsRemote Work ExperienceProduct Led Engineering

Tech Stack

Tools & technologies

AWSDockerGraphQLJavaScriptMySQLPostgresPythonReactSQL

About the role

Key responsibilities & impact

Collaborate with Product, Design, and Engineering teams to design, build, test, deploy, and maintain scalable web applications
Leverage AI coding agents to accelerate product development and defect resolution
Develop and maintain RESTful and/or GraphQL APIs
Develop asynchronous application processing using tools like Sidekiq
Build and maintain responsive, high-performance React.js interfaces and reusable components
Write and optimize SQL queries across PostgreSQL/MySQL databases
Improve application reliability, scalability, and long-term maintainability of large enterprise systems
Create and collaborate on technical specifications aligned with short-term and long-term product roadmaps and enterprise architectural goals
Use APM and observability tools to detect, diagnose, and fix performance bottlenecks
Identify technical debt and drive practical solutions to reduce it
Own features and complex issues from product design through development, deployment, and monitoring
Participate in Product, Design, and Engineering processes in a collaborative pod-based environment
Interact with internal customers to support external customers through the software platform
Identify, prioritize, and reduce technical debt and improve scalability and performance
Participate in architecture and technical design discussions
Contribute to peer code reviews, automated testing, CI/CD pipelines, and deployment workflows
Investigate and resolve outages with root-cause analysis and follow-up improvements
Mentor junior engineers and promote engineering best practices using AI-led practices

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience
6+ years of experience building enterprise level applications using Python
3+ years working with React.js or a related modern javascript frameworks
3+ years working within a 30+ team member sized engineering team
3+ years working 100% remote and a desire to continue working remotely
3+ years developing and operating applications on AWS
2+ years developing using AI coding agents including Claude Code or Codex
Experience working using Docker locally
Experience running enterprise level production workload apps on AWS
Experience integrating with RESTful and GraphQL APIs
Experience writing raw SQL queries in a relational database
Experience building asynchronous background job process across multiple tools/frameworks
Experience with observability tools like Datadog, Sentry, or New Relic
Experience writing automated unit tests having > 60% code coverage
CI/CD development experience creating Github Actions
Experience modernizing legacy Python applications
Experience working in product led engineering organization
Experience working in a multi-team / pod-based engineering team
Works with an accountability and ownership mindset and calls out gaps where they exist
Experience working in high-volume transactional production environments
Exceptional at translating product requirement documents into detailed technical specifications
Work US Eastern Timezone hours between 9am - 5pm ET