11+ Web performance optimization Jobs in Chennai | Web performance optimization Job openings in Chennai

The key skills and expertise needed are:

1. eCommerce/Retail experience can be optional but needs to have experience with any high volume customer facing web/mobile site

2. Web Development, Front End Development, AND In the browser performance profiling

3. Java, Spring Boot, React, Node, Redux, Webpack, Microservices, AND experience with AWS technologies to make the overall application stack more resilient

4. Performance Profiling of web/mobile experiences and experience with working in CICD environment

5. Experience working with Web based and mobile ecommerce sites or similar public facing websites with high customer volume

6. Needs to be able to work at the code level doing performance profile to evaluate how the website and associated digital platform is built to find performance improvement opportunities

Amura’s Vision

We believe that the most under-appreciated route to releasing untapped human potential is to build a healthier body, and through which a better brain. This allows us to do more of everything important to each one of us. Billions of healthier brains, sitting in healthier bodies, can take up more complex problems that defy solutions today, including many existential threats, and solve them in just a few decades.

Billions of healthier brains will make the world richer beyond what we can imagine today. The surplus wealth, combined with better human capabilities, will lead us to a new renaissance, giving us a richer and more beautiful culture. These healthier brains will be equipped with deeper intellect, be less acrimonious, more magnanimous, and have a kinder outlook on the world, resulting in a world that is better than any previous time.

We find this vision of the future exhilarating. Our hopes and dreams are to create this future as quickly as possible and ensure that it is widely distributed and optimised to maximise all forms of human excellence. We are building a health platform for the world, with features that don’t exist anywhere today. By the time you read this, we would have rolled out the first phase. When we roll out the second and third phases later this year and next, it will change the way medicine is practised around the world.

Role Overview: 

As a Senior Fullstack Engineer, you’ll work across frontend, backend, infrastructure, and scalable systems. This is not a role where you simply execute tickets.

You’ll be expected to:

• Think independently

• Solve hard engineering problems

• Build scalable systems

• Own features end-to-end

• Move fast with high responsibility

You’ll work closely with product, design, and engineering teams to create systems used by real people globally.

Roles & Responsibilities

• Build scalable backend services and APIs using Node.js (Express/NestJS)

• Develop responsive web and mobile applications using React and React Native

• Design and implement clean, scalable architectures

• Own features end-to-end: design → development → deployment

• Work on performance optimization, caching, async processing, and scalability

• Build and maintain microservices and event-driven systems

• Troubleshoot production issues and improve platform reliability

• Collaborate with DevOps teams on CI/CD, deployments, and automation

• Write high-quality, maintainable, production-grade code

• Continuously improve engineering standards and development workflows

What are we looking for?

• 4–7 years of backend engineering experience

• 3+ years with React and/or React Native

• Strong proficiency in JavaScript and preferably TypeScript

• Solid understanding of scalable backend systems and APIs

• Experience with SQL & NoSQL databases

• Strong understanding of caching systems like Redis

• Experience with messaging systems like Kafka, RabbitMQ, or SQS

• Familiarity with AWS, Docker, Git, and CI/CD pipelines

• Strong debugging and performance optimisation skills

• High ownership mindset and ability to thrive in fast-paced environments

• System design

• Scalability

• Real-world impact

Job Title:

Senior Full Stack Developer / Technical Lead – .NET & React

Experience:

10+ Years

Location: Chennai – T.Nagar / WFO

Job Summary:

We are looking for a highly experienced Senior Full Stack Developer / Technical Lead with strong expertise in .NET technologies and React. The ideal candidate should be comfortable handling multiple projects simultaneously, possess excellent communication skills, and be capable of leading and mentoring a team while delivering scalable, high-quality solutions.

Key Responsibilities:

·       Design, develop, and maintain scalable web applications using .NET (C#, ASP.NET Core, Web API) and React

·       Lead end-to-end project execution across multiple parallel projects

·       Handle project switching efficiently with minimal ramp-up time

·       Participate in architecture, design, and technical decision-making

·       Manage, mentor, and guide a team of developers

·       Conduct code reviews, ensure best practices, and maintain coding standards

·       Collaborate with Product Owners, QA, UI/UX, and Stakeholders

·       Ensure performance optimization, security, and application stability

·       Take ownership of delivery timelines and technical quality

·       Support production issues and provide root cause analysis

Required Technical Skills:

·       Strong hands-on experience in:

o  C#, ASP.NET, ASP.NET Core, Web API

o  React.js, Redux / Context API

o  HTML, CSS, JavaScript, TypeScript

·       Experience with RESTful APIs, Microservices (preferred)

·       Database expertise: SQL Server (mandatory), NoSQL (added advantage)

·       Experience with Entity Framework / Dapper

·       Familiarity with Azure / AWS (preferred)

·       Knowledge of CI/CD pipelines, Git, DevOps practices

·       Understanding of Agile / Scrum methodologies

Leadership & Soft Skills:

·       Excellent verbal and written communication skills

·       Proven experience in team handling and mentoring

·       Strong problem-solving and decision-making abilities

·       Ability to manage multiple stakeholders and priorities

·       Ownership mindset and accountability-driven approach

Nice to Have:

·       Experience working in product-based or fast-paced service environments

·       Exposure to high-availability and scalable systems

·       Client-facing experience

Job Title: MERN Stack Developer

Company: Pentabay Softwares

Location: Anna Salai (Mount Road), Chennai

Employment Type: Full-Time

Experience Required: 1–4 Years

Job Description:

Pentabay Softwares is looking for a skilled and motivated MERN Stack Developer to join our growing team. The ideal candidate should have hands-on experience in developing scalable web applications using MongoDB, Express.js, React.js, and Node.js.

Roles & Responsibilities:

• Develop and maintain web applications using the MERN stack
• Build reusable, efficient, and scalable code
• Collaborate with UI/UX designers and backend teams
• Design and integrate RESTful APIs
• Troubleshoot, debug, and optimize application performance
• Participate in code reviews and follow best development practices
• Work closely with project managers to meet deadlines

Required Skills:

• Strong experience with MongoDB, Express.js, React.js, and Node.js
• Proficiency in JavaScript (ES6+), HTML5, and CSS3
• Experience with REST APIs and third-party integrations
• Knowledge of Git/version control systems
• Basic understanding of security and performance optimization
• Familiarity with Agile/Scrum methodology

Good to Have:

• Experience with Redux, Next.js, or TypeScript
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Understanding of CI/CD pipelines

Who Can Apply:

• Candidates with 1–4 years of relevant experience
• Strong problem-solving and communication skills
• Ability to work independently and as part of a team

Work Location:

📍 Anna Salai (Mount Road), Chennai

Full Stack Development:

● Develop, test, and deploy high-quality software solutions across front-end and back-end stacks.

● Implement responsive and dynamic web applications using JavaScript, Angular, or React. 

● Ensure backend services and APIs are well-structured and optimized for performance. 

Collaboration and Stakeholder Management: 

● Work closely with product managers, designers, and engineers to define technical requirements. 

● Participate in code reviews and provide technical mentorship to junior developers. 

Technical Expertise:

● Implement and maintain secure, scalable, and high-performance applications. 

● Ensure applications meet non-functional requirements such as security, reliability, and performance.

 Agile Execution & Continuous Improvement: 

● Contribute to Agile development practices, including iterative releases and continuous integration. 

● Identify opportunities for technical improvements and optimize existing features  

 Required Skills and Qualifications 

● Bachelor’s/Master’s degree in Computer Science, Information Technology, or a related field. 

● 6+ years of professional experience in Full Stack Development. 

● Strong proficiency in Java, JavaScript, Angular, React, and RESTful APIs. 

● Experience with CI/CD pipelines and DevOps tools for continuous deployment.

 ● Knowledge of containerization and cloud platforms such as AWS, Azure, or GCP. 

● Proficiency in databases such as MongoDB, SQL, and NoSQL. 

● Strong analytical, problem-solving, and debugging skills. 

● Experience with Agile frameworks like Scrum or Kanban.  

About TechMango:

My name is Riyas banu M, and I'm reaching out to you regarding an exciting opportunity with TechMango.

Founded in 2014, TechMango Technology Services is a leading software development company with a strong focus on emerging technologies. Our primary goal is to deliver strategic solutions that align with our business partners' technological needs.

We specialize in providing custom software solutions using the best available technologies, ensuring quality delivery within defined timelines. Our services include analysis, design, architecture, programming, testing, and long-term technical support, all aimed at achieving ultimate customer satisfaction.

Recognized as the Best Offshore Software Development Company in India, TechMango is driven by the mantra, "Clients' Vision is our Mission." We strive to be a technologically advanced and highly regarded organization, offering high-quality and cost-efficient services while fostering long-term client relationships.

We operate in the USA (Chicago, Atlanta), UAE (Dubai), and India (Bangalore, Chennai, Madurai, Trichy, Coimbatore).

For more information, please visit our

website.https://www.techmango.net/

Techmango | Digital Transformation Solutions | IT Consulting

We provide cutting-edge technology solutions based on digital, Business Analytics, Cloud, Big Data, IoT, Blockchain, Managed IT Services & Technology

Senior Full Stack Engineer (.NET + UI)

We are hiring a Senior Full Stack Engineer with 5 -7 years; experience with strong expertise in C#, .NET, SQL, Git, and front-end technologies like Angular or React. The ideal candidate should have good English communication skills and a solid understanding of secure coding.

principles to prevent common vulnerabilities such as SQL Injection, XSS, and CSRF.

What is expected of you:

As part of the job, you will be required to

• Participate in requirements analysis
• Write clean, scalable code using .NET programming languages.
• Design and manage databases with SQL and interact with data through Entity Framework
• Build intuitive and responsive user interfaces using front-end frameworks like Angular or React.
• Test and deploy applications and system,Revise, update, refactor, and debug code
• Improve existing software use Git for version control and collaboration in a team environment.
• Develop documentation throughout the software development life cycle (SDLC)
• If your beliefs resonate with these, you are looking at the right place!
• Accountability Finish what you started
• Communication Context aware, pro-active, and clean communication
• Outcome High throughput
• Quality High-quality work and consistency

Requirements:

• C# and .NET Framework Strong hands-on experience with object-oriented programming and enterprise-grade .NET applications.
• SQL Entity Framework Proficient in writing complex queries and working with ORM frameworks.
• UI Technologies Working experience with modern front-end frameworks such as Angular or React.
• Asynchronous Programming Understanding and Implementation of async/await patterns for performance optimization.
• Version Control Experience using Git, Bitbucket etc for source code management.
• Design Patterns Solid understanding and practical application of standard software design patterns.
• Unit Testing Experience with testing frameworks such as NUnit or xUnit to ensure code quality and reliability.
• Secure Coding Principles Awareness and application of secure coding practices to prevent vulnerabilities such as SQL Injection, Cross-Site Scripting (XSS), and Cross-Site Request Forgery (CSRF), etc.

Good to have skills:

• Exposure to Cloud Platforms, Azure, AWS, etc.
• Good Communication Skills
• Excellent knowledge of SDLC.
• Knowledge of Jira.

Thanks & Regards,

M.Riyas banu

Techmango Technology Services Pvt Ltd

Principal Software Engineer

Opportunity in this role / Why should you join here?

You will enjoy working with us if you are looking to work in a stimulating, flexible, open environment. You will experience ownership and independence at the same time providing technical solutions that work.

You will be part of the madness and thrill of growing the business from scratch. You get to make decisions, fail fast and learn fast. You get to contribute, add value to the organization by thinking like an entrepreneur. You are supported by the best talent in the industry and work with creative teams. You are rewarded as you go on proving yourself.

Requirements:

• Bachelor's degree in Computer Engineering/Computer Science or related field
• At least 6+ years of experience with at least 4 years of software application design experience
• Strong analytical and problem solving skills
• A full stack generalist with experience in both front-end and back-end technologies
• Proven experience in high-level programming languages, like Java and Development of scalable Web Applications and Web Services
• Experience in JavaScript frameworks like Angular, React, NodeJS
• Passion for delivering products end-to-end, from ideation to implementation
• Proven experience building complex web applications and micro services
• Strong experience with Spring Boot stack (spring cloud, spring-data)
• Extensive experience in developing and consuming REST APIs
• Experience in PHP is a plus advantage

Responsibilities:

• Participate in design reviews and recommend improvements
• Provide technical guidance in software design and development activities
• Recommend new technologies to ensure quality and improve productivity
• Support in all phases of SDLC and ensure delivery of high-quality products
• Analyse business requirements and design/develop most effective technical solution
• Analyse and troubleshoot application issues in a timely fashion
• Work with other engineers in planning, prioritising and executing assigned tasks within deadlines

x• Work with QA team in preparing test cases and assist in automation

• Mentor other Engineers as and when required
• Assist in maintenances and upgrades of existing software applications
• Assist in risk assessment and mitigation activities.
• Assist in technical audits and make sure to implement audit recommendations.

Job description

• Participate the development process;
• Cooperate with QA team;
• Recognize opportunities to improve code efficiency;
• Perform code peer-to-peer reviews;
• Contribute to software architecture planning;
• Maintain code and documentation integrity and organization;
• Help project owner in estimating new features;
• Keep up with emerging trends and technologies;
• Accurately match UI/UX design;
• Participate in various team-buildings and non-development activities (Risks identification, Threats Modeling, etc.)
• Build reusable components.

Requirements:

• 4+ years of commercial experience;
• Strong knowledge of JavaScript (ES5, ES6+), HTML5, CSS3;
• Good understanding of CSS Preprocessors, such as LESS and Sass;
• Experience with React/Redux is a must;
• Experience with TypeScript;
• Upper-Intermediate English;
• Strong knowledge in Node.js (Express);
• Experience working in an Agile environment (Scrum or Kanban);
• Experience with build tools, code coverage, and testing frameworks Webpack, jest etc.;
• Experience with SQL and NoSQL databases PostgreSQL, MongoDB;
• Strong Knowledge with Rest API;
• Proficient understanding of code versioning tools such as Git;
• Experience with Redis, ElasticSearch.

Nice to have:

• Experience with CI/CD;
• Experience with serverless, FaaS and PaaS (AWS Lambda);
• Understanding of SDLC and ISMS.

• Collaborate with multiple stakeholders to understand the business context
• Take responsibility for developing product features
• Implement development best practices

• Rich experience in Javascript and front end frameworks like React, Angular or Vue
• Build a backend APIs using Java, Node, Python or GoLang
• Proficiency in leveraging Cloud Native components in AWS, Azure or GCP
• Experience in building scalable applications using Microservices principles is a plus
• Experience in designing for performance is a big plus
• Ability to write high quality code
• Experience in polygot persistence using databases like relational (MySQL, Postgres) and NoSQL (MongoDB, Cassandra, DynamoDB, Redis etc)
• Familiarity with DevOps tools and technologies is a plus
• Passion for continuous learning of new technologies

We are looking for a lean MERN Stack developer who is specialized in developing JavaScript-based technologies i.e. MongoDB, ExpressJS, ReactJS, NodeJS. If you have that energy and passion to create impacts, we have the perfect job for you!  Job has flexible or temporary work from home options.

Job Responsibilities-

• Requirement gathering, UML & Database modelling and documentation
• Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
• Defining code architecture decisions to support a high-performance and scalable product with a minimal footprint
• Address and improve any technical issues
• Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems.
  
  

Requirements-

• BSc degree in Computer Science or similar relevant field
• Previous working experience as a MERN Stack Developer for 3+ years
• Experience with modern frameworks and design patterns
• In depth knowledge of NodeJS, ExpressJS or Restify
• Experience of implementing applications using Angular or React
• Experience for creating front end applications using HTML5, CSS3 Angular, LESS/SASS
• Hands on experience with JavaScript Development on both client and server-side
• Knowledge of Functional Testing regarding Unit Testing, Integration Testing & End-to-End Testing is required
• Strong knowledge of Testing tools is required with subject to Jest and Enzyme, React Testing Library, Puppeteer (or PhantomJS, Nightmare or Headless Chrome) and Selenium WebDriver
• Rest API development, documentation and testing using tools like Postman
  
  

Knowledge of the following will be considered as an advantage-

• Requirements gathering, modeling, documentation and project management using Visual-paradigm.com
• Javascript based workflow engines and Flow-Based Programming
• Consumer Web Development Experience for High-Traffic, Public Facing web applications,
• Experience with cloud technologies
• Creating secure RESTful-based web services in XML and JSON, JavaScript, JQuery,
• Continuous integration (Jenkins/Hudson) and version control (SVN, Git).
• Converting UI and website designs (.psd, .xd, etc) into react components using Storybook.js and creating test cases with scripts; including documentation and automated visual testing
• React with WordPress Headless CMS using frameworks like Frontity.org
• org for authorization and access control models
• io microfrontend’s architecture framework for highly modular fully flexible applications
• Speech Recognition , voice interface , and other AI functionility
• React native mobile, Electron desktop application conversion
• Heroku Pipelines, Heroku: Browser and UAT, Heroku CI, DevOps tools and processes.