ios developer

Position Name : Senior Software Developer (Node.js/RoR/Swift/React)

Experience : 5 to 10 Years

📍 Location : Remote

Notice Period : Immediate to 15 Days

Role Overview :

We are looking for a highly skilled Senior Software Developer with expertise in Node.js, Ruby on Rails (RoR), React, and Swift.

The ideal candidate should have strong problem-solving skills, hands-on development experience, and a deep understanding of software architecture, design principles, and TDD best practices.

Key Responsibilities :

• Backend-Heavy Full-Stack Development : Strong focus on Ruby on Rails (RoR) for backend and React for frontend.
• Test-Driven Development (TDD) : Follow TDD principles to ensure high-quality code.
• Software Architecture & Design : Implement scalable and maintainable solutions.
• Data Structures & Algorithms : Optimize performance and ensure efficient solutions.
• Clean Code Practices : Write modular, reusable, and well-documented code.
• Agile Development : Work in an Agile environment with CI/CD pipelines.
• Full-Stack Ownership : Manage both backend and frontend development, including deployment.
• Peer Collaboration : Participate in code reviews, pair programming, and knowledge sharing.

Technical Skills & Experience :

Must-Have :

• Ruby on Rails (RoR) - Backend
• React.js - Frontend
• Strong expertise in architecture, design, and hands-on development.
• Excellent understanding of Data Structures & Algorithms.
• Proven experience with TDD principles.
• Excellent communication skills.

Good to Have :

• Experience with Node.js, TypeScript, Swift, and JavaScript
• Familiarity with relational databases and web frameworks
• CI/CD tools like Jenkins, Hudson, or Bamboo.

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

Job Description

Position -   Full stack Developer

Location - Mumbai

    Experience - 2-5 Years 

Who are we

Based out of IIT Bombay, HaystackAnalytics is a HealthTech company creating clinical genomics products, which enable diagnostic labs and hospitals to offer accurate and personalized diagnostics. Supported by India's most respected science agencies (DST, BIRAC, DBT), we created and launched a portfolio of products to offer genomics in infectious diseases. Our genomics based diagnostic solution for Tuberculosis was recognized as one of top innovations supported by BIRAC in the past 10 years, and was launched by the Prime Minister of India in the BIRAC Showcase event in Delhi, 2022.

Objectives of this Role:

• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Ideate and develop new product features in collaboration with domain experts in healthcare and genomics 
• Develop state of the art enterprise standard front-end and backend services
• Develop cloud platform services based on container orchestration platform 
• Continuously embrace automation  for repetitive tasks
• Ensure application performance, uptime, and scale, maintaining high standards of code quality  by using clean coding principles and solid design patterns 
• Build robust tech modules  that are Unit Testable, Automating recurring tasks and processes  
• Engage effectively with team members and collaborate to upskill and unblock each other

Frontend Skills 

• HTML 5  
• CSS framework  (  LESS/ SASS / Tailwind ) 
• Es6 / Typescript 
• Electron app /Tauri)
• Component library  ( Bootstrap , material UI, Lit ) 
• Responsive web layout ( Flex layout , Grid layout ) 
• Package manager --> yarn-/ npm / turbo
• Build tools - > (Vite/Webpack/Parcel)
• Frameworks -- > React  with Redux of Mobx / Next JS
• Design patterns 
• Testing - JEST / MOCHA / JASMINE / Cypress)
• Functional  Programming concepts  
• Scripting  ( powershell , bash , python )

Backend Skills 

• Nodejs - Express / NEST JS 
• Python /  Rust
• REST API 
• SOLID Design Principles
• Database (postgresql / mysql / redis /  cassandra / mongodb ) 
• Caching  ( Redis ) 
• Container Technology  ( Docker / Kubernetes )  
• Cloud ( azure , aws , openshift, google cloud) 
• Version  Control - GIT 
• GITOPS 
• Automation ( terraform , ansible ) 

Cloud  Skills 

• Object storage
• VPC   concepts 
• Containerize Deployment
• Serverless architecture 

Other  Skills 

• Innovation and thought leadership
• UI - UX design skills  
• Interest in in learning new tools, languages, workflows, and philosophies to grow
• Communication 

To know more about us- https://haystackanalytics.in/

Skills: React JS/Next JS, NodeJs, ExpressJs,JavaScript, Typescript, Restful/SOAP web servicesMongo DB(NoSQL/SQL)database technologies.

Experience preferred:

● You have a strong passion for start-ups and the proactiveness to deliver
● You have hands-on experience building services using NodeJs, ExpressJs technologies
● You have hands-on experience of MongoDB (NoSQL/SQL) database technologies.
● You are good at web technologies like React JS/Next JS, JavaScript, Typescript
● You are good at web technologies like Restful/SOAP web services
● You are good at caching and third-party integration
● You are strong on debugging and troubleshooting skills
● If you have Knowledge of Python, Chrome extension & DevOps development is a plus.
● You must be proficient in building scalable backend infrastructure software or distributed systems with exposure to Front-end and backend libraries/frameworks.
● Experience with Databases and micro services architecture is an advantage
● You should be able to push your limits and go beyond your role to scale the product
● Go-getter attitude

Design, develop and maintain web-based services and applications using .Net Core/ASP.Net, C#, REST Web API, MS SQL Server, Entity Framework, and Dapper.  Developing highly optimized cross-browser and responsive web applications using HTML5, and CSS.  Manage the full technical life-cycle of web applications during each development phase including functional & technical design, implementation, testing, deployment and maintenance.  Developing high standard Web Applications based on functional requirements, UI/UX requirements, business logic and Web APIs.  Designing database tables, views, stored procedures, and functions to store and retrieve data most efficiently from SQL database.  Writing bug-free code with the highest coding standard.  Developing high-performance, highly secure and highly scalable Web Application.  Perform unit testing, troubleshooting, debugging and code reviews for robustness, including edge cases, usability, and reliability of the software.  Manage source code check-in, checkout, and merging code.  Taking accountability and the ability to work under pressure

Hands-on experience o of using Angular with version 7 or later o in consuming complex nested API. o in using state management (e.g. NGRX, RXJS). o in using caching. o of using component library framework integration (e.g. Angular Material). o in integrating with REST web services from the application. Knowing JSON is a must. o with Git compatible source control and working with a CI/CD pipeline.  Experience on AWS services will be added advantage.  Good experience in Standard Project Development Life Cycle.  Experience on Devextreme tools will be added advantage.  Ability/ready to work on advanced technologies like Node JS is an added advantage.  Knowledge / Experience of agile development methodologies.  Very good logical skills and problem-solving ability.  Quick learner and a good team player.  Should be able to work independently and with the team.

We are looking for a Full Stack Lead having worked on NodeJS and React with total experience of 4 to 6 years. Minimum two year of experience in NodeJS, React and Redux is required for this position.

Responsible for requirements understanding, propose architecture, detailed design, development and timely deliverables with the highest quality standards.

We are looking for Product creators who can work with minimum inputs from business and are able to deliver products quickly and with quality.

This person should have worked in Enterprise class product from scratch. Start-up experience would be highly desirable.

Tech Stack: Node.js, React.js, HTML, CSS, AWS, MySQL, MongoDB, Mix panel/Metabase, Instamojo and Razor Pay, Google Analytics, FB Pixel, SEO, Dev Ops, CI/CD, Micro services, Unit Testing

Responsibilities

·      Will be responsible for designing and developing web-based enterprise class solutions using NodeJS, React and Redux.

·      Should be expert in writing Unit Test Cases with NodeJS and React and with quality.

·      Excellent communication and presentation skills.

·      Proven experience as an individual contributor/Architect.

·      Should be able to quicky come up with system design by understanding business requirement and translate into good quality product.

·      Building reusable components and front-end libraries for future use.

·      Translating designs and wireframes into high quality code.

·      Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

Skills

·      Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

·      Thorough understanding of React.js, HTML, CSS and its core principles

·      Experience with popular React.js workflows (such as Flux or Redux)

·      Familiarity with newer specifications of ECMAScript

·      Experience with data structure libraries (e.g., Immutable.js)

·      Knowledge of isomorphic React is a plus

·      Familiarity with RESTful APIs

·      Knowledge of modern authorization mechanisms, such as JSON Web Token

·      Familiarity with modern front-end build pipelines and tools

·      Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

·      Knowledge of CI/CD and should have worked on at least one tool like Jenkins etc.

·      Ability to understand business requirements and translate them into technical requirements

·      A knack for benchmarking and optimization

·      Familiarity with GIT Technology like GitHub, Bitbucket

Desirable (Nice to Have skills):

·      Knowledge of Data analytics platform like Meta Base.

·      Good understanding of digital marketing, Google & FB Analytics, consumer funnel data tracking tools, including SEO.

·      Experience of e-commerce start up would be an added plus.

·      Scaling experience using AWS, knowledge of EBS, Docker, Kubernetes, Microservices.

·      AWS Certification would be an added plus.

·      Knowledge of Dev/Ops and should be able to set up CI/CD quickly.

·      Participation in Hackathons is an added plus.

Eligibility

BTech or MTech in Computer Science from a reputed institute, IIT, NIT, BITS Pilani, COEP (Pune), VJTI, BHU or ISM

Good knowledge on Data Structure and Algorithms.

Job Description

• Hands on Experience of More than ​2+ Years with Core PHP, Laravel, Vue js
• Developing user-facing applications using Vue.js.
• Experience in Datastores like Mysql, Redis.
• Utilize backend data services and contribute to increasing existing data services API.
• IT Service based Projects with international client handling.

Desirable skills:

• Experience in developing the clientside application Vue.js.
• Indepth knowledge of objectoriented PHP and Laravel 5.
• Good knowledge of Cloud computing technologies.
• PHP Framework.
• Handson experience with SQL schema design, SOLID principles, REST API design.
• MySQL query optimization.
• Creative and efficient problem solver.
• Good team player.
• Strong Communication skills.
• Ability to write emails and should be able to chat with the client.
• PM tools knowledge like JIRA, trello, basecamp would be a plus.