Prompt Engineer

Job Title: Lead Backend Engineer

Company: DoubleTick.io (Conversational CRM powered by Meta WhatsApp's API)

Location: Mumbai (on-site)

About the Role

We're looking for a hands-on QA leader to own quality across our products. You'll set the QA strategy, build and scale our automation and testing infrastructure, and lead a growing team — while staying close enough to the work to dig into a tricky bug yourself. This is a high-ownership role for someone who wants to define how quality is done, not just execute test cases.

Key Responsibilities

• Lead and mentor a team of 5-6 backend engineers, ensuring high-quality code delivery, adherence to best practices, and timely project completion.
• Hands-on development using TypeScript, Node.Js, and NestJs to build robust and scalable backend systems.
• Proficient in managing databases PostgreSQL and MongoDB. Implement efficient data storage and retrieval strategies.
• Expertise in Elasticsearch
• Work with Neptune and Gremlin to handle complex data structures and relationships.
• Conduct code reviews, enforce coding standards, and maintain high-quality software.
• Work closely with frontend teams, designers, and product managers to ensure seamless integration and alignment with business goals.
• Plan, track, and report on project progress. Manage resources effectively to meet deadlines.

Required Skills and Qualifications

• Bachelor’s degree in Computer Science or related field.
• Minimum 5 years of experience in backend development.
• Strong proficiency in Node.Js, PostgreSQL and JavaScript
• Strong experience in architecture and database design.
• Proven experience leading a team of engineers.
• Excellent problem-solving skills and attention to detail.
• Proven experience in scaling backend.
• Strong communication and collaboration skills.
• Experience in a fast-paced, agile environment.
• Prior experience in a similar lead role.

Good to have

• Experience with Gremlin, Neptune, MongoDB, Elasticsearch, TypeScript, and BigQuery
• Familiarity with AWS and its cloud-based services

What We Offer

• Competitive salary and benefits package.
• A dynamic and inclusive work environment.
• Opportunities for professional growth and development.
• A chance to work on cutting-edge technologies.

About Us:

DoubleTick is a mobile-first conversational CRM built on the official WhatsApp Business API, designed to unlock WhatsApp-led sales, marketing, and customer engagement at scale.It enables businesses to manage conversations through a centralized team inbox, automate workflows with chatbots and bot studio, and drive growth via bulk broadcasting and analytics. With features like WhatsApp Calling, commerce & cataloging, and role-based access, DoubleTick helps teams streamline operations and improve conversion efficiency.

Backed by Info Edge Ventures and BeeNext, the platform serves 10,000+ businesses across India and UAE in 100+ industries. Leading brands such as MakeMyTrip, Royal Enfield, CoinDCX, Tarun Tahiliani, Times Media, GRT Jewellers, Malabar Gold and Diamonds, Jaro Education, Sabyasachi, and DarGlobal trust DoubleTick to power their customer conversations. 

Key Responsibilities

Execute comprehensive manual test cases for our e-commerce platform

Design and implement automated test scripts using Selenium or Playwright

Work with AI-based testing tools to enhance testing efficiency and coverage

Identify, document, and track bugs throughout the testing lifecycle

Collaborate with developers and product managers to resolve issues

Participate in sprint planning and review meetings

Create and maintain testing documentation

Requirements

Minimum 1 year of hands-on software testing experience

Strong manual testing skills with attention to detail

Experience with test automation frameworks (Selenium or Playwright)

Familiarity with AI-based testing tools and approaches

Understanding of e-commerce platforms and their testing requirements

Excellent problem-solving and analytical skills

Strong communication and collaboration abilities

Experience with agile testing methodologies

Selection Process

Our hiring process involves practical assessment to ensure candidates have the hands-on experience we require:

Initial screening and interview

First-round technical assessment (practical task)

Technical interview

Second-round technical assessment (practical task)

Final interview

Note: Completion of the practical assessment tasks is mandatory for all candidates as we prioritize demonstrated skills and hands-on experience.

You can directly contact us on nine three one six one two zero one three two

About Us: We are on a mission to help a million+ consumer brands with automated sales and user acquisition via AI omnichannel stack BusinessOnBot is an omnichannel commerce stack for 500+ Shopify & WooCommerce brands, enabling high-ROI marketing/support across WhatsApp, Instagram, Email, SMS and commerce platforms like Swiggy, Zomato & PhonePe — powered by proprietary shopper intent data from 1/3rd of India’s shoppers (100M unique shoppers).

In 2026, Businessonbot has grown and is an EBITDA +ve company. We are a Y Combinator backed company (YC W21) and have closed our pre-series A round with Ant Financials on the Board. Backed by experienced founders/CXOs/directors from renowned companies like WhatsApp, Lulu group, OYO, Netflix, Pepsico, Cleartax, InMobi etc. to add to our team.

Role 

We're looking for an Head of Technology : who can own the technical health and growth of our backend platform. You'll be part architect, part tech lead, part engineering manager. You won't just review code — you'll set the standard for how code is written, how systems are designed, and how the team thinks about quality, cost, and customer impact. This is not a senior IC role where you write code all day. And it's not a pure management role where you're in meetings all day. It's the balance between the two — the person who makes the team better while staying close enough to the code to make good decisions

What You'll Own

1. System Reliability & Upkeep

• Own the health of a production multi-tenant Node.js/TypeScript backend serving real-time messaging traffic
• Lead incident response, root cause analysis, and post-mortem culture
• Identify and drive reduction of technical debt — proactively, not reactively
• Ensure monitoring, alerting, and observability are in good shape (we use New Relic, Sentry, Pino structured logging)
• Work across multiple backend services and ensure they integrate reliably

2. Scalable, Quality Engineering

• Design and review system architecture decisions — schema changes, service boundaries, async workflows (we use Temporal.io), queue design
• Drive engineering standards: code review culture, PR quality, test coverage, error handling patterns
• Establish and enforce engineering practices that let the team ship fast without accumulating hidden risk
• Evaluate build vs. buy decisions with a clear eye on long-term maintainability

3. Cost Consciousness

• Maintain a clear understanding of infrastructure costs (AWS, third-party APIs, LLM usage, DB compute)
• Actively flag cost anomalies and propose architectural or operational changes to address them
• Balance engineering investment against business return — know when "good enough" is the right call

4. Team Standards & Culture

• Set a high bar for code quality — not pedantry, but clarity, maintainability, and correctness
• Build a review culture where feedback is constructive, specific, and educational
• Help engineers grow by pair debugging, design reviews, and code walkthroughs
• Define and document coding conventions, architecture patterns, and engineering principles that persist beyond any individual

5. Customer Empathy

• Understand that the systems you build serve real D2C businesses who depend on them to communicate with their customers
• Treat reliability issues with the urgency of a customer escalation, not a backlog item
• Stay connected to what support and product teams are seeing from customers — let that shape engineering priorities

6. Communication & Stakeholder Management

• Translate technical complexity into clear, honest language for non-technical co-founders and stakeholders
• Communicate risk, timelines, and tradeoffs clearly — no sugar-coating, no unnecessary alarm
• Manage up: surface the right problems at the right time without waiting to be asked
• Manage expectations — both internally with the team and externally with leadership

7. Balancing Tradeoffs

• Navigate the tension between shipping fast and building right — and be able to articulate why you chose one over the other
• Know when to take on short-term debt and when to push back
• Make architectural decisions that serve the next 18 months, not just the next sprint

What We're Looking For Must Have

• 7–8 years of backend software engineering experience, with at least 2 years in a lead or staff-level role
• Strong command of TypeScript/Node.js in production (our primary stack)
• Deep understanding of multi-tenant SaaS architecture patterns
• Hands-on experience with relational databases (MySQL/PostgreSQL), ORM usage (TypeORM or similar), and writing efficient queries at scale
• Experience designing and operating async/event-driven systems (message queues, workflow engines, or similar)
• Comfort with cloud infrastructure (AWS preferred) and cost/performance monitoring
• Strong pull request review discipline — you know what makes a good review and what makes a bad one

Strong Plus

• Experience with real-time systems (WebSockets, Socket.IO, pub/sub patterns)
• Exposure to LLM integration, RAG pipelines, or AI feature development in production
• Experience with Temporal.io or similar workflow orchestration
• Familiarity with WhatsApp Business API, omnichannel messaging, or e-commerce integrations
• Prior experience at a startup in the 10–100 person range where you had to set standards, not just follow them

What We Don't Need

• Someone who needs a perfectly defined problem before they can start
• A pure IC who avoids people and process
• A pure manager who's lost touch with the code
• Someone who optimises for their own comfort over team outcomes

How You Think

• You ask "why does this fail in production?" before asking "why didn't someone write a test?"
• You think about the developer who reads your code six months from now
• You're bothered by silent failures, swallowed errors, and fire-and-forget async calls
• You believe good documentation and clear naming are not optional extras
• You have opinions on architecture but hold them loosely when presented with better evidence
• You understand that a cost spike is an engineering problem, not just a finance problem
• You treat a customer-facing bug with more urgency than a refactor that only benefits the team

What You'll Walk Into We'll be transparent with you:

• A production codebase with real technical debt alongside genuinely good architecture
• A fast-moving team that ships frequently
• A company that takes reliability seriously but is still building the culture around it
• Multiple backend services that need to be held together with clear ownership and standards
• A product that's expanding into AI agents, voice workflows, and deeper e-commerce automation — meaning the technical surface area is growing fast
• This is a role for someone who thrives in that kind of environment — not someone who needs it to be clean before they can contribute.

What We Offer

• Meaningful ownership — you'll shape how engineering works here, not just execute someone else's vision
• Direct access to founders and product decisions
• Competitive compensation (cash + equity discussion based on profile)
• A product that real businesses depend on every day — your work matters immediately

Job description

Job description

Job Description:

We are looking for a skilled and passionate React Native Developer to join our mobile application development team. You will be responsible for designing and developing cross-platform mobile applications that deliver seamless user experience on both iOS and Android.

Key Responsibilities:

• Develop and maintain high-quality mobile applications using React Native
• Build and deploy apps for iOS and Android platforms
• Integrate third-party APIs and RESTful web services
• Work with state management libraries like Redux or Context API
• Collaborate with the design team to implement pixel-perfect UI/UX
• Debug and optimize app performance across platforms and devices
• Use Git for version control and maintain clean, modular code

Required Skills:

• Strong proficiency in React Native and JavaScript (ES6+)
• Experience : 3 - 5Years
• Good understanding of mobile UI/UX principles
• Experience with Redux / Context API for state management
• Hands-on experience with mobile debugging tools and performance tuning
• Familiarity with native modules, bridging, and Expo/CLI
• Experience integrating APIs using Axios or Fetch
• Basic knowledge of Android Studio and Xcode
• Experience with Git and collaborative version control practices

Educational Qualification:

Bachelors degree in computer science, Engineering, or a related field

Edstellar is a corporate training platform that offers instructor-led training programs for organizations worldwide. It helps companies upskill and reskill their workforce through customized learning solutions delivered by a global network of certified trainers.

Key Highlights:

• Training Delivery: Edstellar provides both onsite and virtual instructor-led training.
• Training Areas: Covers a wide range of topics including:
• IT & Software Development
• Project Management (e.g., PMP, PRINCE2)
• Leadership & Management
• Data Science & Analytics
• Cloud Computing
• Cybersecurity
• Soft Skills and Behavioral Training
• Trainer Network: Thousands of expert trainers from around the globe.
• Global Reach: Delivers training across multiple countries, supporting multinational clients.
• Customization: Training programs are tailored to each organization’s needs, goals, and workforce profile.

Who It Serves:

• Large enterprises
• SMBs
• Government agencies
• Educational institutions

Unique Value Proposition:

Edstellar combines technology with a robust trainer network to offer flexible, scalable, and high-impact training programs. It acts as a one-stop training delivery partner for L&D and HR departments.

Qualification :

MBA , BBA Marketing

Intern : Product Marketing Training

Duration : 45 Days

working Day : 5 days

Employment : Internship

Interview Process

1 Product marketing Assignment ( Market Research Assignment )

2 Screening Communication Discussion

3 Technical Discussion

4 On Boarding

Role Overview

We are seeking a Product Marketing Intern who is eager to learn, grow, and contribute to real-time marketing strategies. This internship is designed for fresh MBA/BBA graduates looking to gain hands-on experience in product marketing with a path to a full-time role based on performance.

Key Responsibilities

• Assist in developing and executing product marketing strategies
• Conduct market research to identify trends and competitor insights
• Support go-to-market plans for product launches
• Collaborate with cross-functional teams including sales, product, and content
• Contribute to content creation (blogs, email campaigns, product brochures)
• Analyze and report on campaign performance and customer engagement

Who Can Apply

• Fresh MBA/BBA graduates (2024/2025 pass-outs preferred)
• Strong communication and analytical skills
• A passion for marketing and digital tools
• Quick learner with a positive, proactive attitude
• Ability to manage multiple tasks and meet deadlines

Key Skills for a Product Marketing Intern

1. Market Research & Analysis

• Ability to gather and interpret market and competitor data
• Understanding of customer behavior and personas
• Basic knowledge of SWOT analysis, segmentation, and positioning

2. Communication Skills

• Strong written and verbal communication
• Ability to simplify complex product features into customer-friendly messaging
• Content creation (blogs, product copy, social media posts)

3. Digital Marketing Fundamentals

• Familiarity with tools like Google Analytics, SEMrush, or similar (preferred)
• Basic understanding of SEO, email marketing, and campaign tracking
• Social media marketing awareness

4. Strategic Thinking

• Ability to assist in go-to-market strategies
• Understanding of product life cycle and customer journey
• Insight-driven decision making

5. Collaboration & Coordination

• Ability to work with cross-functional teams (sales, product, design)
• Coordination of product launches and promotions
• Willingness to learn and adapt in a dynamic team environment

6. Creativity & Problem Solving

• Out-of-the-box thinking for product positioning
• Suggesting ideas for improving product visibility and messaging

7. Tech-Savviness

• Basic knowledge of MS Office Suite (Excel, PowerPoint)
• Familiarity with tools like Canva, HubSpot, or CRM platforms is a plus
• Eagerness to learn new marketing and automation tools

8. Attention to Detail

• Reviewing marketing collateral for consistency and accuracy
• Ensuring brand guidelines are followed across materials

At Appleute, we're not just developing software; we're shaping the future of technology by partnering with startups and SMEs to bring groundbreaking ideas to life. From sculpting Minimum Viable Products (MVPs) to scaling full-fledged platforms for millions of users, we engage in projects that challenge the status quo, powered by a blend of innovative technology, visionary founders, and transformative business models. Our work is driven by a passion for creating market-leading products that redefine industries.

Why Join Us?

Global Remote Culture: Embrace the freedom to work from anywhere in the world. Our remote-first approach ensures you have the balance and flexibility to work where you thrive.

Results-Driven Environment: We value outcomes over hours. Focus on making a significant impact, with the flexibility to manage your schedule around what works best for you.

Flat Organizational Structure: Say goodbye to bureaucracy. Our flat hierarchies mean your ideas and contributions are valued and can make a direct impact from day one.

A Team of A-Players: Join an elite team of tech enthusiasts and innovators. Our selective hiring process ensures you're working among the best in the industry, fostering an environment of learning and growth.

Innovative Tech Stack: Dive into cutting-edge technologies and tools. From JavaScript and TypeScript to AWS, Docker, and React/Express, you'll have the opportunity to work on exciting projects using the latest in tech.

You're a perfect fit if you're dedicated to:

Excellence in Code Quality: You understand that great products are built on clean, maintainable code.

Collaborative Problem Solving: You thrive in open discussions and enjoy brainstorming solutions with your team.

Continuous Learning: Your curiosity drives you to stay on top of new technologies and coding practices.

Taking Ownership: You take pride in your work, from concept to deployment, ensuring excellence every step of the way.

Your Impact:

Build Scalable Solutions: Develop software that's ready to grow from thousands to millions of users, focusing on performance and scalability.

Drive Integrations and Deployment: Implement seamless software integrations and efficient deployment strategies to enhance product capabilities.

Enhance Mobile Experience: Craft mobile-optimized applications and features that deliver exceptional user experiences.

Ensure usable Documentation: Hone your skills in improving documentation to be clear and concise that supports your team and project needs.

Technologies You'll Work With:

Frontend and Backend: JavaScript, TypeScript, React/Express, React Native, Node.js

Database Management: MySQL, Postgres and Prisma

Deployment and Version Control: AWS, Docker, Git/Gitlab, NPM

Salary Range - ₹30L – ₹40L

• Meeting with the design team to review website and application requirements.
• Setting tasks and development goals.
• Configuring the company SharePoint systems to specified requirements.
• Developing new web components using XML, .NET, SQL, and C#.
• Designing, coding, and implementing scalable applications.
• Extending SharePoint functionality with forms, web parts, and application technologies.

Selected intern's day-to-day responsibilities include:

• Developing and executing marketing strategies that drive sales to business-to-business companies
• Research through web analytics and use keywords for global promotion and generating leads through digital means.
• Plan and execute all web, SEO/SEM, database marketing, email and social media.
• Performing market analysis and research on the latest trends.
• Utilize strong analytical ability to evaluate end-to-end customer experience across multiple channels and customer touch points.
• Identify critical conversion points and drop-off points and optimize user funnels.
• Measure and report the performance of all digital marketing campaigns and assess against goals (ROI and KPIs).
• Update information on our website to boost rankings.
• Researching and evaluating competitor marketing and digital content.
• Brainstorm new and creative growth strategies through digital marketing.
• Plan, execute, and measure experiments and conversion tests.

About Us

Welthungerhilfe (WHH) is an international aid agency headquartered in Germany with its vision for “Zero Hunger by 2030”, the second sustainable development goal set by the UN. It has thousands of programs fighting hunger in more than 30 countries. (https://www.welthungerhilfe.org/">https://www.welthungerhilfe.org)  (https://www.childgrowthmonitor.org/">https://www.childgrowthmonitor.org).

Child Growth Monitor (CGM) is Welthungerhilfe’s digital innovation project leveraging AI to fight child malnutrition. Around 200 million children around the world are suffering from malnutrition. Malnutrition contributes to one-third of deaths of children under the age of five. In the fight against malnutrition, detection is the first important step, but this is not an easy task: Measuring children with traditional methods is still a complex, slow, and expensive task, frequently resulting in poor data and wrong assessments of the child’s health. Early detection of malnutrition becomes the key to initiating treatment, minimizing the risk of complications,

and saving lives by reducing the chances of death to a great extent.

Our solution to measure children replaces hardware (bulky measuring boards and physical scales) with off-the-shelf cell phones and AI. CGM uses augmented reality-enabled smartphones to record 3D scans of children. Artificial Intelligence is used to predict their height, weight, and middle upper-arm circumference needed to know the nutritional status of the children.

What you would do to help us save millions of children's lives

We are looking for you as an experienced Sr Software Engineer who works collaboratively with the dedicated team of tech specialists (AI, ML & Data Scientists) distributed globally have a shared responsibility for ensuring high quality and

Scalable health care product in an agile approach.

This posting concerns a full-time assignment working for Welthungerhilfe’s CGM in a freelance capacity but Full-time employment (payroll) is scheduled for the end of 2022 latest. We are in the process of setting up CGM as a registered social business from mostly January 2023 and moving all the consultants on CGM payrolls.

Responsibilities

• Designing, developing features, refinement/improving and implementing the CGM product in a secure, well-tested, and performant way.
• De-bugging of the current issues
• Collaborate with Product Management and other stakeholders within Engineering (Frontend, UX, etc.) to maintain a high bar for quality in a fast-paced, iterative environment.
• Advocate for improvements to product quality, security, and performance.
• Solve technical problems of moderate scope and complexity.
• Craft code that meets our internal standards for style, maintainability, and best practices for a high-scale Mobile app environment. Maintain and advocate for these standards through code review.
• Provide mentorship for Junior and Intermediate Engineers on your team to help them grow in their technical responsibilities and remove blockers to their autonomy.

 Requirements and skills

• Comfort working in a highly agile, intensely iterative software development process.
• Demonstrated capacity to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose thorough iterative solutions.
• Experience with performance and optimization problems and a demonstrated ability to both diagnose and prevent these problems.
• Extensive experience in core Python (3-7yrs)
• Should have worked on Azure or any Cloud and Azure data factory or any similar data platforms
• Experience using Flask/Flutter framework
• Experience working on mobile applications/Web applications (writing flask framework)
• Knowledge of DevOps Pipeline
• Good experience in SQL database
• Working knowledge in Data engineering (ETL pipelines Result Generation Module)
• Basic understanding of front-end technologies such as Vue JS
• Working knowledge in creating predictive models for AI and ML-based features
• Tech /BE in Computer Science with a total of 7 years of software development/Programming experience.

Desired skills

• Good to have an experience in Kubernetes (opensource system)
• Good to have experience working on healthcare mobile apps (predictive analytics and image diagnostics)
• Experience owning a project from concept to production, including proposal, discussion, and execution.
• Proficient understanding of code versioning tools

Soft/Human Skills

• Positive and solution-oriented mindset.
• Excellent communication & interpersonal skills
• Self-motivated and self-managing, with excellent organizational skills.
• Ability to thrive in a fully remote organization

• Design and develop solutions to complex technical problems spanning the development of product features, quality validation, and deployment to customers
• Build highly scalable web applications that are designed for high performance
• Lead design and code reviews
• Work closely with senior management, Product Manager, and our team of developers.
• Contribute visibly to product quality, innovation, and customer-centric design across the engineering organization
• Lead, motivate and direct team members to build high-quality software in a fast-paced agile environment
• Actively hire the engineering & product team, & develop the existing team
• Share experiences and skills to aid team members in enhancing their professional skills and career

• 4+ years of experience building large scalable systems
• Strong experience in agile methodologies and test-driven development (TDD)
• Experience in software development using open source technologies
• Knowledge in domain-driven design, design patterns, and enterprise integration patterns
• Must have experience in delivering software via complete Continuous Integration and Continuous Delivery (CI/CD) pipeline

• A history of working on side/hobby projects or contributing to open source projects is a plus
• You have worked in a startup before

Most importantly: Be excited to learn what you don’t already know!