Sr. Software Engineer - Twilio Job

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Sr. Software Engineer - Twilio Job
Date: Sep 23, 2026
Job Requisition Id: 66395
Location:
Indore, MP, IN, 452001
YASH Technologies is a leading technology integrator specializing in helping clients reimagine operating models, enhance competitiveness, optimize costs, foster exceptional stakeholder experiences, and drive business transformation.
At YASH, we’re a cluster of the brightest stars working with cutting-edge technologies. Our purpose is anchored in a single truth – bringing real positive changes in an increasingly virtual world and it drives us beyond generational gaps and disruptions of the future.
We are looking forward to hire Twilio Professionals in the following areas :
Job Description:
Experience required: 1+ years
We are looking for an SMS Platform Engineer with hands-on Twilio experience to maintain and extend a production SMS/MMS/RCS/Voice messaging platform integrated with Cvent and Adobe Campaign Manager (Epsilon/ACM) for a pharmaceutical client's event engagement program. The role involves designing, building, and maintaining serverless functions, conversational flows, data pipelines, and integrations, delivering scalable, compliant, production-ready messaging solutions.
Key Responsibilities
Develop and maintain Twilio Functions (Node.js) for SMS/MMS handling, keyword routing, consent management, and third-party API integrations, with proper error handling, retry logic, and rate limiting.
Build and debug Twilio Studio Flows — keyword routing, function widgets with parameter mapping, Content Templates, and HTTP callbacks to Epsilon/ACM.
Manage Twilio Sync Maps as the real-time data layer for contacts, consent tracking, and audit logs — multi-map data models, upsert patterns, and batch pagination.
Manage Content Template Builder for pre-approved SMS/MMS/RCS/WhatsApp templates, including versioning across QA/PROD and SID coordination with upstream systems.
Configure Messaging Services — sender pools (short code, toll-free, 10DLC), Advanced Opt-Out, link shortening with branded domains, click tracking, and callbacks.
Set up RCS Business Messaging (sender setup, rich cards, carrier registration) and use the Lookup API for phone validation, line status, and reassigned number checks.
Build data export pipelines (SFTP exports, message log exports, Event Streams) and handle MMS media processing and cleanup.
Investigate production incidents — analyze message/call logs, identify error codes and carrier behavior, and produce RCA reports.
Maintain technical documentation (TRDs, functional specs, data models, UAT test cases) and manage deployments across QA and PROD sub-accounts, including number porting and toll-free verification.
Required Skills
Programming: Strong JavaScript / Node.js, async/await, REST API development and consumption
Twilio Platform: Functions, Studio, Sync Maps/Lists, Messaging Services, Content Template Builder, Lookup v2 API, Messages API, Event Streams
Messaging: SMS/MMS/RCS, GSM-7 vs UCS-2 encoding, segment calculation, A2P messaging, carrier behavior
Compliance: A2P 10DLC registration process and timelines; TCPA consent handling; CTIA guidelines; double opt-in; carrier-level vs Twilio-level vs application-level opt-out behavior (US); Advanced Opt-Out limitations; pharma adverse event (AE) reporting
Integration: Third-party webhook payloads (e.g. Cvent-style event data), bi-directional integration with marketing automation platforms, Basic Auth / API Key authentication, JSON and form-urlencoded payloads
Fundamentals: Debugging via logs (Function, Studio execution, message logs); API rate limits, payload size constraints, and timeout handling in serverless environments
Tools: Postman, Twilio Console, JIRA, Git
Good to Have
Twilio Organizations, subaccounts, and domain verification
Pharma/healthcare SMS program experience (TCPA, FDA AE reporting, HIPAA awareness)
Adobe Journey Optimizer, Epsilon/ACM, or similar marketing automation platforms
SIP Trunking / Twilio Voice knowledge for cross-channel debugging
Qualifications
1+ years hands-on experience with Twilio or similar cloud communication platforms
Experience in agile teams with JIRA-based project management
Strong written and verbal communication — client-facing documentation and stakeholder discussions
At YASH, you are empowered to create a career that will take you to where you want to go while working in an inclusive team environment. We leverage career-oriented skilling models and optimize our collective intelligence aided with technology for continuous learning, unlearning, and relearning at a rapid pace and scale.
Our Hyperlearning workplace is grounded upon four principles
Flexible work arrangements, Free spirit, and emotional positivity
Agile self-determination, trust, transparency, and open collaboration
All Support needed for the realization of business goals,
Stable employment with a great atmosphere and ethical corporate culture
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