Team Lead and Developer

5 days ago

Cochin, Kerala, India K4rm4 Social Feedback Systems Full time US$ 1,50,000 - US$ 2,00,000 per year

Technical Lead , Performance & Security) TECH-002

Role Description

The Technical Lead spearheads the architecture and delivery of our publishing platform across a network of over 200+ domains.

This role demands at least 5 years of experience with React and , and a proven track record optimizing Core Web Vitals at scale. You will design and enforce performance budgets for LCP, INP, and CLS while integrating internationalization (i18n) and security best practices.

Your duties include setting up edge rendering, CDN strategies, and CI/CD pipelines that support server-side rendering (SSR) and incremental static regeneration (ISR). While leading developers, you must maintain the security posture of the platformmanaging headers, certificate lifecycles, and WAF ruleswithout revealing specifics of our infrastructure.

Important Tools & Keywords

13+

React and

Vercel/Cloudflare edge functions

Core Web Vitals (LCP, INP, CLS)

CDN caching and invalidation

CI/CD (GitHub Actions, Jenkins, Vercel Pipelines)

Hreflang and i18n routing

Security headers (Content-Security-Policy, HSTS)

OWASP Top 10

SSR and ISR configurations

Skills Required

Full-stack JavaScript engineering

Performance optimization

DevOps and automation

Internationalization

Security best practices

Code review and mentoring

Problem analysis and debugging

Continuous deployment

Microservices and API integration

Data privacy and compliance awareness

Ideal Candidate Profile

The ideal Technical Lead is a pragmatic engineer who balances performance with maintainability. They have deep knowledge of internals, including SSR, ISR, and client/server boundaries.

They are proficient in optimizing the critical rendering path, handling caching strategies, and securing applications without sacrificing developer experience. They work well under pressure, remain calm during incidents, and continuously coach teammates.

Attention to detail and an affinity for data-driven optimization are essential characteristics.

Selection Criteria

We seek evidence of leading large-scale projects with measurable improvements to Core Web Vitals and security.

Candidates should demonstrate familiarity with modern CI/CD pipelines and internationalization frameworks, and articulate trade-offs between SSR, CSR, and ISR.

A strong history of cross-functional collaboration and mentoring less-experienced developers will be considered a major plus.

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