



Roles and Responsibilities:
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Work with development teams and product managers to ideate software solutions
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Develop and manage well-functioning databases and applications
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Write effective APIs
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Test software to ensure responsiveness and efficiency
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Troubleshoot, debug and upgrade software
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Create security and data protection settings
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Write technical documentation
Requirements and skills
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Proven experience in Software Development
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Experience developing web applications
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Knowledge and Understanding of programming languages(e.g. Java, Python, C, C++) and Understanding JavaScript frameworks (e.g. React, Node.js)
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Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache)
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Excellent communication and teamwork skills
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Great attention to detail

About Hello World
About
Hello World provides coliving, student housing, coworking, social spaces and natural habitats to those exploring the evolution of humanity through positive impact.
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Shortcastle is a sportstech company with presence in over 65+ countries. Flexible and fun-filled team

Why This Role Matters
- We are looking for a Staff Engineer to lead the technical direction and hands-on development of our next-generation, agentic AI-first marketing platforms. This is a high-impact role to architect, build, and ship products that change how marketers interact with data, plan campaigns, and make decisions.
What You'll Do
- Build Gen-AI native products: Architect, build, and ship platforms powered by LLMs, agents, and predictive AI
- Stay hands-on: Design systems, write code, debug, and drive product excellence
- Lead with depth: Mentor a high-caliber team of full stack engineers.
- Speed to market: Rapidly ship and iterate on MVPs to maximize learning and feedback.
- Own the full stack: From backend data pipelines to intuitive UIs—from Airflow to React - from BigQuery to embeddings.
- Scale what works: Ensure scalability, security, and performance in multi-tenant, cloud-native environments (GCP).
- Collaborate deeply: Work closely with product, growth, and leadership to align tech with business priorities.
What You Bring
- 8+ years of experience building and scaling full-stack, data-driven products
- Proficiency in backend (Node.js, Python) and frontend (React), with solid GCP experience
- Strong grasp of data pipelines, analytics, and real-time data processing
- Familiarity with Gen-AI frameworks (LangChain, LlamaIndex, OpenAI APIs, vector databases)
- Proven architectural leadership and technical ownership
- Product mindset with a bias for execution and iteration
Our Tech Stack
- Cloud: Google Cloud Platform
- Backend: Node.js, Python, Airflow
- Data: BigQuery, Cloud SQL
- AI/ML: TensorFlow, OpenAI APIs, custom agents
- Frontend: React.js
What You Get
- Meaningful equity in a high-growth startup
- The chance to build global products from India
- A culture that values clarity, ownership, learning, humility, and candor
- A rare opportunity to build with Gen-AI from the ground up
Who You Are
- You’re initiative-driven, not interruption-driven.
- You code because you love building things that matter.
- You enjoy ambiguity and solve problems from first principles.
- You believe true leadership is contextual, hands-on, and grounded.
- You’re here to build — not just maintain.
- You care deeply about seeing your products empower real users, run reliably at scale, and adapt intelligently with minimal manual effort.
- You know that elegant code is just 30% of the job — the real craft lies in the engineering rigour, edge-case handling, and production resilience that make great products truly dependable.

We are looking for a highly experienced and visionary Tech Lead / Solution Architect with deep expertise in the MERN stack and AWS to join our organization. In this role, you will be responsible for providing technical leadership across multiple projects, guiding architecture decisions, and ensuring scalable, maintainable, and high-quality solutions. You will work closely with cross-functional teams to define technical strategies, mentor developers, and drive the successful execution of complex projects. Your leadership, architectural insight, and hands-on development skills will be key to the team’s success and the organization's technological growth.
Responsibilities:
- You will be responsible for all the technical decisions related to the project.
- Lead and mentor a team of developers, providing technical guidance and expertise.
- Collaborate with product managers, business analysts, and other stakeholders.
- Architect and design technical solutions that align with project goals and industry best practices.
- Develop and maintain scalable, reliable, and efficient software applications.
- Conduct code reviews, ensure code quality, and enforce coding standards.
- Identify technical risks and challenges, and propose solutions to mitigate them.
- Stay updated with emerging technologies and trends in software development.
- Collaborate with cross-functional teams to ensure seamless integration of software components.
Requirements:
- Bachelor's degree / Graduate
- Proven experience 7-10 years as a Technical Lead or similar role in software development (start-up experience preferred)
- Strong technical skills in programming languages such as MERN, Python, Postgres, MySQL.
- Knowledge of cloud technologies (e.g., AWS, Azure, Google Cloud Platform) and microservices architecture.
- Excellent leadership, communication, and interpersonal skills.
- Ability to prioritize tasks, manage multiple projects, and work in a fast-paced environment.
Benefits:
- Competitive salary and benefits package
- Opportunities for professional growth and development
- Collaborative and innovative work environment
- Certifications on us
Joining : Immediate
Location : Malad (West) - Work From Office
This opportunity is for Work From Office.
Apply for this job if your current location is mumbai.
- Develop User interfaces for Modern Internet Applications with the latest Front End Technologies
- Perform product analysis and development tasks of increasingly complex nature which may require research and analysis.
- Writing tested and documented JavaScript, Typescript, HTML, and SCSS
- Develop application code and unit test in the Angular.
- Ensuring high performance
- 2+ years Experience with Angular2+
- Strong expertise with Javascript, HTML, SCSS, and writing cross-browser compatible code.
- Experience working with RESTful services
- Familiar with testing frameworks (Ex. Jasmine)
- Test runner framework (Ex. Karma)
- Hand on and implements complex Angular applications, directives, controllers, services
- Problem-solving skills

- Experience in software development, prototyping, functional analysis, integration, and testing.
- Experience with Javascript and RESTful technologies including building RESTful APIs
- In-depth understanding of the JavaScript programming languages especially Angular and node.js and the ability to peer review other engineer's code constructively
- Highly skilled at problem-solving, unit-testing, and debugging.
- Expert understanding of best practice engineering principles for building MEAN applications.
- In-depth knowledge of database systems and an understanding of data structures, data normalization, and query performance considerations. Particularly Non-Relational/NoSQL databases including MongoDB.
- Automated unit testing and CI experience
- Ability to effectively communicate technical concepts pictorially, orally or in writing.
- Docker experience desired
- Ability to learn business rules quickly by reading requirements, engaging in conversation, or reverse engineering.
- Expertise in source code control and versioning concepts.



React Native Developer
- Experience in React-native, IOS Development (with Swift).
- Experience in IOS SWIFT Framework
- Proven experience in React Native components in native iOS and Android
- Good understanding of Android / iOS / Web design guidelines, SDK and excellent JavaScript skills.
- Knowledge of React and the Java script ecosystem
- Exposure to other hybrid mobile platforms like IONIC,Sencha, HTML5, PhoneGap, jQuery Mobile etc.
- Familiarity with RESTful APIs development.
- Expertise with code testing best practices, including unit and integration testing to ensure quality of code.
- Familiarity with code versioning tools such as Git, SVN, Github.
- Excellent verbal and written communication skills
Preferred Skills & Knowledge: IOS Development (Swift), React Native



- Minimum 3+ years' experience as a software developer.
- Proficiency in JavaScript, Angular.js, HTML 5, CSS.
- Familiarity with Git.
- Linux and/or OS X experience.
- Experience consuming API endpoints.
- Good to have - Kafka/queuing system
- Should be well-versed in using multiple Databases - SQL/NO SQL,
- Should have experience using in- memory Data Bases-Redis
- Experience with Unit-Testing.
- Experience building web applications with responsive design.
- Experience with Node.js and/or other server-side JavaScript technologies and tools.
- Strong knowledge of design principles, user interfaces, web standards and usability.
- ES6, React JS/JSX, Redux, Web pack, Immutable.js.
Desired Skills and Experience




