Switch Testing

Job Summary:

We are seeking a seasoned Java Backend Developer Lead to drive the design, development, and deployment of robust backend systems. This role requires hands-on coding expertise, architectural vision, and the ability to mentor and lead a team of developers in delivering high-performance, scalable applications.

Key Responsibilities:

• Lead the backend development team in designing and implementing microservices-based architectures using Java (preferably Java 11+).
• Architect and develop RESTful APIs and backend services using Spring Boot, Hibernate, and related frameworks.
• Collaborate with DevOps teams to streamline CI/CD pipelines using Jenkins, Docker, and Kubernetes.
• Ensure code quality through code reviews, unit testing (JUnit/TestNG), and integration testing.
• Optimize application performance and scalability through profiling and tuning.
• Guide team members in adopting best practices in software engineering, including Agile methodologies.
• Work closely with product managers, frontend developers, and QA teams to deliver end-to-end solutions.
• Maintain documentation and ensure knowledge sharing across the team.

Required Skills:

• Strong proficiency in Java, Spring Boot, and REST API development.
• Experience with relational databases (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis).
• Familiarity with messaging systems like Kafka or RabbitMQ.
• Solid understanding of cloud platforms (AWS, Azure, or GCP).
• Experience with containerization and orchestration tools (Docker, Kubernetes).
• Excellent problem-solving, debugging, and analytical skills.
• Strong leadership and communication abilities.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 7+ years of backend development experience, with at least 2 years in a lead role.
• Exposure to security best practices and performance testing tools like JMeter.

Developer – Full stack

·        Full stack development experience for 1-2 years

·        Implement new application features and improvements to existing features based on defined project requirements.

·        Experience with React or Angular framework

·        Familiarity of HTML5, CSS3, and JavaScript skills.

·        Experience developing server side applications in at least Java 8.

·        Experience with Spring Boot and REST APIs.

·        Collaborate with cross-functional teams to design, develop and deploy new features and applications

·        Ability to write and optimize SQL queries and database performance tuning

·        Familiar using source control systems, preferably Git.

·        Troubleshoot and resolve application bugs

·        Passionate about developing high quality code that has been thoroughly tested.

·        Strong written and verbal communications skills.

·        Stay up-to-date with emerging trends and technologies in web development

·        Implement automated testing and continuous integration and deployment processes

·        Ability to learn quickly.

Good to have skills

·        Python, Flask, Fast API knowledge

·        Cloud knowledge – preferably AWS

·        Understanding of graph database

·        Familiarity with containerization technologies such as Docker and Kubernetes

Your Day-to-Day

• Assist our Growth Strategists in analyzing the results of A/B experiments.
• Analysis on customer engagement rates, customer acquisition projects ( ex. Churn rate prediction, Attribution etc. )
• Analyse marketing channel performance and Deep-dive reports to stakeholders and Management
• Building statistical experimentation templates for faster A/B outputs
• Work on forecasting models and assisting senior Management in creating frameworks on growth models

• Local implementation of marketing analytics projects related to improving marketing channels effectiveness, customer segmentation, campaign optimization, etc
• Monitor campaigns against key performance indicators (KPIs), be fully aware of trends and analytics, success and risks in order to achieve business objectives.

• Communicate complex ideas into understandable reports/documentation and this will include leveraging on leading software tools such as Tableau.
  
  

Your Know-Know

• 3-5 years of experience in strategy / consulting / analytical / project management roles; experience in e-commerce, Start-ups or Unicorns(CARS24,OLA,SWIGGY,FLIPKART,OYO) or entrepreneur experience preferred + At Least 2 years of experience leading a team
• Top-notch academics from a Tier 1 college (IIM / IIT/ NIT)
• Must have SQL/PostgreSQL/Tableau Experience. 
• Added advantage: Experience with Google Analytics, CRM (MoEngage, Braze,Leanplum).
• Preferred knowledge of statistical computer languages (Python / R, etc). 
• Analytical mindset with ability to present data in a structured and informative way
• Enjoy a fast-paced environment and can align business objectives with product priorities

Lifespark Technologies is looking for individuals with a passion for impacting real lives through technology. Lifespark is one of the most promising startups in the Assistive Tech space in India, and has been honoured with several National and International awards. Our mission is to create seamless, persistent and affordable healthcare solutions. If you are someone who is driven to make a real impact in this world, we are your people.

Lifespark is currently building solutions for Parkinson’s Disease, and we are looking for an embedded software lead to join our growing team. You will be working directly with the founders on high impact problems in the Neurological Healthcare domain. You will be solving some of the most fundamental and exciting challenges in the industry and will have the ability to see your insights turned into real products every day

Responsibilities :

1. RTOS based multithreaded software development

2. Building future ready, scalable software architectures

3. Liasing with hardware team to decide project requirements

4. Realtime IoT functionality development on ESP32 platform

5. Integration of third party services for cloud based communications and computation

6. Maintaining and documenting software via git (GitLab)

7. Coordinating releases, setup and maintenance of CI/CD pipelines

8. Managing AWS based backend services, integration with AWS services such as S3,

Sagemaker

9. Firmware security, Flash encryption, Bootloader encryption, secure communications

10. Deep integration with hardware team - stress testing hardware

11. Development of device drivers

12. Software testing and maintenance

Recommended experience :

1. Good command over Linux

2. Familiarity with real time tasks and timing sensitive system design

3. Familiarity with BLE/Wifi/etc IoT communication protocols

4. Familiarity with major third party platforms for cloud and ML/AI integration

5. Testing actual physical outcomes of programmed solutions

6. Deep familiarity with ESP-IDF

Location : IIT Bombay, Mumbai

Working mechanism : In-person

Compensation range : 4-12 lpa + ESOPs

Job Description

We are looking for a Mobile and Javascript developer who is proficient with React Native, React.js, and Typescript with 2 years of experience. The primary focus will be on developing UI components with React Native and React JS workflows with Typescript. This will include the use of automated integration tests with RTL. These components are expected to be robust and easy to maintain with the highest code quality. The coordination with the rest of the team working on different layers of the infrastructure should be effective. 

Responsibilities

• • Delivering a complete mobile application OR front-end application using React Native/React JS and Typescript.
• • Building reusable components/widgets and front-end libraries for future use.
• • Translating designs and wireframes into high-quality code.
• • Writing tested, idiomatic, and documented code.
• • Optimizing components for maximum performance across multiple web browsers.
• • Mentoring junior developers, peer-to-peer code reviews, and ensuring that high.
• • Code quality bar should be maintained. Skills
• • Excellent proficiency in React Native, JavaScript, CSS, and HTML, including DOM manipulation and the JavaScript object model.
• • Thorough understanding of React Native, React JS, Typescript, and its core principles.
• • Experience with popular React Native andReact.js workflows (such as React-Redux, React-Router, React Hooks, etc.)
• • Experience with Class components and Functional components.
• • Experience with React Testing Library (RTL). Familiarity with Enzyme, Jest Framework and Cypress.
• • Experience with data structure libraries (e.g. Immutable.js)
• Experience with Backend technology like NodeJS, AWS
• • Familiarity with the front-end development tools such as Babel, Webpack, NPM, etc.
• • Experience with code versioning tools Git and its workflows.
• • Ability to solve problems effectively.
• • Ability to learn and explore new things effectively.
• • Familiarity with RESTful APIs.
• • Ability to understand business requirements and translate them into technical requirements.
• • Professional, precise communication skills.
• • Clear understanding of design patterns especially MV*.
• Experience with AWS is a big plus

We enable humans & machines with internet connectivity at a price that they can afford.

The inspiration for Wifi Dabba came from the founders working together for the last decade in the mobile application industry and realising the biggest reason for user churn being access to cheap and affordable internet access. From having worked on ground onboarding users and facing poor connectivity issues all the time, we took it on ourselves to fix the internet access problem for the common citizen.

At Wifi Dabba (YC W17), we are building a low cost, scalable & distributed Wi-Fi infrastructure to connect next billion users online. We do this by deploying a grid of lasers (Free Space Optics) over the cities & town and bring cheap and fast internet for everyone. We enable anyone to buy 1 gig of data access at a time at a price they can afford. Sachetization of internet access is the foundation to rebuilding internet for all. We do this by leveraging crypto and blockchain to truly make internet infrastructure ownership distributed — our vision is to be connectivity layer for the Web3 world.

• You will get the chance to be an early team member at a fast-growth YC startup.
• You get to define the future of telecom infrastructure ownership and operations.
• We’re a tight-knit team where you'll learn a ton and have ownership.
• Opportunity to build for the next billion users.

• Strong engineering background preferably in Computer Science
• Experience architecting, developing, and testing full-stack code end-to-end
• Experience working with relational & NoSQL databases
• Experience with AWS services
• Experience working with MERN Stack, performing unit/feature testing, and managing REST APIs.
• Knowledge of front-end technologies including HTML5, CSS3, JavaScript, and jQuery.
• Knowledge of any one frontend framework/libraries like Angular/VueJs/ReactJS.
• Knowledge of code versioning tools like GIT, SVN.
• Experience in building user interfaces for websites and/or web applications.
• Experience in designing and developing responsive design websites with any frontend css frameworks like Bootstrap/Tailwind CSS.
• Build backend APIs and services that power new products that interact with Solana (or other) blockchains
• Build front-end Web3 interfaces that interact with your backend code
• Participate in design discussions with business users, web producers and engineering teams.
• Perform requirements analysis, high-level design, effort estimation for new business requirements and feature enhancements.
• Write clean, concise, and sustainable code.
• Team player who enjoys collaborative effort.

• Entrepreneurial mindset (we encourage all employees to be future founders and this can be a great stepping stone towards that)
• You’re passionate about crypto, Web3
• Customer-centric and passionate about working in a small & focused team
• Previous experience building/working in telecom software or infrastructure
• Previous experience building web3 project - DeFi / Blockchain infrastructure
• Previous experience at a high-growth, fast-paced startup