Integration and Customisation Engineer - 2 (PHP+React.JS)

Role overview

Integration and Customisation Engineer - 2 (PHP+React.JS) at Exotel Techcom Pvt Ltd

Your role is a blend of deep engineering, architectural solutioning, and high-impact delivery.

Responsibilities

• As a Integration and Customization Engineer - 2, in the Professional Services team, you will be the technical anchor for complex ECC (Enterprise Contact Center) project customizations.
• Engineering Excellence: Design and develop high-complexity customizations, integrations, and automation modules for large-scale enterprise customers.
• Technical Leadership: Independently deliver complex modules and take ownership of the end-to-end execution of internal projects.
• Mentorship: Guide and unblock L1 engineers, ensuring the team maintains high coding standards and best practices.
• System Ownership: Navigate and optimize forked, legacy, or complex codebases to ensure high performance and reliability.
• Stakeholder Management: Work closely with Product, Engineering, Infosec, and Customer-facing teams to translate enterprise requirements into executable technical roadmaps.
• Quality Assurance: Ensure uncompromising quality through rigorous code reviews, comprehensive test plans, and flawless deployment execution.
• Operational Health: Track and report engineering health metrics, ensuring that production incidents are minimized and resolution is swift.
• Must-haves 2-4 years of software engineering experience with a Bachelor’s or Master’s in Computer Science.
• Advanced proficiency in PHP and expert knowledge of HTML, CSS, and React.JS Deep mastery of Data Structures, Algorithms (DSA), Concurrency, and Multithreading.
• Practical experience with 3-Tier and Microservices architectures, RESTful services, and HTTP protocols.
• Expert in SQL/NoSQL data modeling, caching layers, and building/deploying Linux-based applications.
• Understanding of TCP/IP networks and Linux OS configuration.
• A proven track record of taking end-to-end ownership of complex delivery cycles and production quality.
• Ability to thrive in a dynamic, fast-paced environment while handling the maturity required for enterprise stakeholder interaction.
• General Skills Ability to translate deep technical hurdles into clear, actionable roadmaps for Product, Infosec, and enterprise clients.
• Mastery of the SDLC and project management tools like Jira/Confluence to ensure transparency and timeline alignment.
• Strong capability in creating technical diagrams, flowcharts, and project scope documents to maintain system clarity.
• Leadership: Proactive in unblocking peers and collaborating across cross-functional units (Development, Vendors, Partners).
• Good-to-haves Experience with GenAI technologies and their practical applications in enterprise workflows.
• Familiarity with visualization tools like Grafana and Kibana.
• Experience with cloud deployments (AWS/GCP/Azure) and a strong affinity for DevOps culture.
• Experience working in customization-heavy environments or managing "forked" codebases.
• What differentiates a successful candidate?
• The Average Candidate: Can write code to a specification but struggles when the documentation is missing, or the codebase is "messy." The A-Player: Sees a complex legacy codebase as a challenge to be mastered.
• They don't just fix bugs; they refactor for scale, mentor those around them, and anticipate enterprise needs before they become bottlenecks.
• They possess the technical depth to code and the maturity to navigate a high-pressure production environment.
• What success looks like (first 90 days) In this role, success is measured by your ability to move from code fluency to system-ownership.
• We expect high-impact contributions in two key areas: End-to-End Ownership of Complexity: Within 90 days, you will have taken full responsibility for the design, implementation, and production stabilization of a high-complexity enterprise customization.
• You aren't just writing code; you are operating with a "you build it, you own it" mindset, ensuring that your modules are fault-tolerant, scalable, and meet all engineering health metrics.
• Technical Leadership & Unblocking: You will be a recognized technical anchor who independently identifies and resolves architectural challenges within legacy or forked codebases.
• Success means you are effectively guiding L1 engineers through rigorous code reviews and test plans, while confidently managing technical trade-offs in discussions with enterprise stakeholders.

Employment details

• Location: Gurugram

About the employer

• Exotel is the emerging market’s leading full-stack customer engagement platform and business-focused virtual telecom operator.
• Founded in 2011, our cloud-based product suite powers over 50 million daily engagements across voice, video, and messaging channels.
• Trusted by 6,000+ companies across 60+ countries-including India, Southeast Asia, the Middle East, and Africa-Exotel enables unified customer engagement for leading businesses such as Ola, Swiggy, Flipkart, GoJek, Byju’s, HDFC Bank, Zomato, and Urban Company.
• Our offerings include communication APIs, a modern omnichannel contact center, and a conversational AI platform hosted on the cloud.
• We are a Series D company valued at $100 million with $60 million in ARR.
• Level: L2 @Professional Services The Professional Services team is the "Special Forces" of our engineering organization.
• We don't just build products; we solve high-stakes enterprise puzzles.
• Our engineering solves infrastructure-level problems to ensure no one misses a call or an SMS, even in highly customized enterprise environments.
• We focus on building fault-tolerant, scalable, and real-time distributed systems that integrate seamlessly with complex enterprise ecosystems.
• Our stack is diverse-built on PHP, Python, Golang, and Node.js-and we emphasize clean abstractions and loosely coupled services.
• We leverage MySQL, NoSQL stores, Elasticsearch for discovery, and Grafana/Kibana for deep observability.
• We are firm believers in "You build it, you own it!"-operating a distributed system in a customization-heavy environment requires a true DevOps mindset.
• Roles &