Full Stack Developer- Mean Mern Stack

This role will be permanent with NAM info and deploy to client location HYDERABAD, PUNE, CHENNAI.

Work Mode: WORK FROM OFFICE

Role Descriptions:

We are looking for a strong Tech Lead with hands-on experience in Java, React, and modern application engineering. The role will be responsible for technical solutioning, leading development teams, ensuring quality delivery, and identifying opportunities to apply Generative AI for productivity, automation, and feature innovation.

Key Responsibilities

• Lead end-to-end design, development, and delivery of scalable enterprise applications using Java, Spring Boot, ReactJS, REST APIs, and microservices-based architecture.
• Own technical solutioning, architecture discussions, code reviews, design reviews, and engineering best practices across the development lifecycle.
• Guide and mentor developers, unblock technical issues, improve code quality, and ensure timely delivery aligned to business and product priorities.
• Collaborate with business, product, QA, DevOps, and architecture teams to translate requirements into clean, maintainable, and secure technical solutions.
• Identify practical GenAI use cases such as developer productivity, knowledge search, automated documentation, test generation, and AI-assisted application features.
• Support CI/CD, release readiness, production stability, performance improvements, and technical debt reduction activities.

Skills: Java + React JS + Gen AI

Locations: HYDERABAD, PUNE, CHENNAI

Desire candidate

• Candidate should have valid PF.

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:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

• Develop, test, and maintain web applications using PHP, MySQL, HTML, CSS, and JavaScript.
• Collaborate with designers and stakeholders to understand project requirements and translate them into technical specifications.
• Participate in the full software development lifecycle, including planning, designing, coding, testing, debugging, and deploying applications.
• Build responsive and user-friendly interfaces, ensuring cross-browser compatibility and optimal performance.
• Implement and integrate APIs, web services, and third-party libraries as required
• Perform code reviews, identify and fix bugs, and optimize application performance.
• Work closely with the team to continuously improve development processes and implement best practices.
• Stay up-to-date with emerging technologies and industry trends, and apply them to enhance our development practices and solutions.
• Contribute to documentation, including technical specifications, user guides, and test cases.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Proven experience as a PHP Full Stack Developer or similar role, with a minimum of 1-8 years of professional experience.
• Strong proficiency in PHP, MySQL, HTML, CSS, JavaScript, and related frameworks (e.g., Laravel, CodeIgniter).
• Experience with front-end frameworks (e.g., Laravel, React, Angular, Vue.js) and modern development tools (e.g., Webpack, Git) is a plus.
• Solid understanding of object-oriented programming principles and MVC architecture.
• Familiarity with RESTful APIs, JSON, and web services integration.
• Strong problem-solving skills and the ability to work in a fast-paced environment.
• Experience with agile development methodologies is preferred.

Interested candidate may what's app their cv on triple nine zero nine three double one double four.

Required Skills

• Extensive senior level full-stack software development experience with Node.js (2 or more years) with detailed understanding of user interface frameworks, back-end software architecture interactions and node module capabilities.
• Two or more years' experience with one or more JavaScript frameworks/technologies such as Express.js, Angular.js, React.js, MobX or Flux.js.
• Strong development experience with developing RESTful Web Services using Node.js.
• Comprehensive knowledge of Scrum and Kanban Agile development process and ceremonies including scrums, planning events, backlog grooming, retrospectives and demos.
• Complex programming, program debugging, data analysis, problem analysis and resolution of issues within open source applications.
• Strong communication and collaborative skills in providing technical direction and hands-on software development to include design, development and testing.

Desired Skills

• Client development experience with HTML, DHTML, CSS, JavaScript
• Experience with other JavaScritpt frameworks such as Express, Restify, Hapi, Sails, JOI, and Kinex.
• Javascript experience with ECMAScript2015 (ES6), ECMAScript2016 (ES7) or Bable compiler.
• Operating System and Infrastructure experience with Linux, Windows 7, Unix, Solaris, JMS, OOD, CVS.
• Experience with VersionOne Application Lifecycle Management Tools
• Experience with Jenkins and Continuous Integration.
• Standards & Protocols knowledge including XML, XSLT, WSDL, JSON.
• Experience with Testing Tools including Mocha, Chai, Sinon, Supertest, Enzyme, Instanbul, Selenium, Load Runner, JSLint and Cucumber.
• Experience with source code versioning and Pull Requests with Git and Stash.
• Experience with IDEs such as Sublime and Atom.
• Knowledge of SonarCube, Phabricator, Gerritt, Karma, Jasmine
• Knowledge of projects using SAFe methodology.
• Experience with DevOps processes and implementation.
• Experience with environments utilizing Cloud Technologies such as Amazon Web Services.
• Experience with NGiNX web server.

We have openings for Fullstack / Backend / Frontend Developers who can write reliable, scalable, testable and maintainable code.

At Everest, we innovate at the intersection of design and engineering to produce outstanding products. The work we do is meaningful and challenging - which makes it interesting. Imagine each line of your code, making the world a better place. We work on five workdays weeks, and overtime is a rarity. If clean architecture, TDD, DDD, DevOps, Microservices, Micro-frontends, scalable systems resonate with you, please apply.

To see the quality of our code, you can checkout some of our open source projects: https://github.com/everest-engineering

If you want to know more about our culture:

https://github.com/everest-engineering/manifesto

Some videos that can help:

https://www.youtube.com/watch?v=A7y9RpqXAdA;

https://youtu.be/PPjyP1WPOn8" target="_blank">https://youtu.be/PPjyP1WPOn8

• Passion to own and create amazing product.
• Should be able to clearly understand the customer's problem.
• Should be a collaborative problem solver.
• Should be able a team player.
• Should be open to learn from others and teach others.
• Should be a good problem solver.
• Should be able to take feedback and improve continuously.
• Should commit to inclusion, equity & diversity.
• Should maintain integrity at work

• Familiarity with Agile methodologies and clean code.

• Design and/or contribute to client-side and server-side architecture.

• Well versed with fundamentals of REST.

• Build the front-end of applications through appealing visual design.

• Knowledge of one or more front-end languages and libraries (e.g. HTML / CSS, JavaScript, XML, jQuery, Typescript) JavaScript frameworks (e.g. Angular, React, Redux, Vue.js)

• Knowledge of one or more back-end languages (e.g. C#, Java, Python, Go, Node.js and frameworks like SpringBoot, .NET Core) 

• Well versed with fundamentals of database design.

• Familiarity with databases - RDBMS like MySQL, Postgres & NoSQL like MongoDB, DynamoDB.

• Well versed with one or more cloud platforms like - AWS, Azure, GCP.

• Familiar with Infrastructure as Code - CloudFormation & Terraform & deployment tools like Docker, Kubernetes.

• Familiarity with CI/CD tools like Jenkins, CircleCI, Github Actions..

• Unit testing tools like Junit, Mockito, Chai, Mocha, Jest

Role Description:

• Lister is actively engaged with client across digital transformation and engineering
• As a part of this engagement, you will be working with our clients on solution design and architecture, technology decisions, while co-ordinating technical efforts for the team
• As a Technical Lead:, You will need to collaborate with Solution Architects define technology
• roadmap, evaluate/recommend technologies, architect and design solutions, Work
• with other developers to oversee the development and implementation
• You will translate functional requirements from business stakeholders to the technical
• team for implementation
• You will need to troubleshoot design flaws and system bottlenecks
• You will have to be hands-on with code reviews and evaluate implementation for performance and scale
• Manage communication between our clients and internal teams in India and USA
• Coordinate with the offshore team to deliver projects across work streams, Identify risks, issues and blockers to progress and mitigate them for the team
• Rapidly gain an understanding of project requirements and drive execution
• Work with delivery team to ensure the highest quality of materials are being produced and all client needs are met.

Skills Required:

• Excellent understanding of backend and frontend components in the following stack: NodeJS, TypeScript, Javascript, ReactJS, multiple RDBMS and NoSQL databases like Postgres, MySQL, MongoDB Experience of working on AWS services (Lambda, Step functions, SQS, S3 SNS)
• Microservice design pattern is a must
• Experience in Docker, Kubernetes, containerization and CI/CD pipelines is preferable
• Experience in software development tools like Prettier, CodeCov, Snyk, etc..
• Excellent verbal and written communication skills; client facing and interpersonal skills; must be a listener, a presenter, and a people-person
• Experience in Designing scalable architecture systems for Node-based applications
• Ability to grasp complex implementations; Proven results of delivering client solutions
• Should have experience of working with offshore team
• Experience in working on large scale technology transformation projects for product companies is preferable
• Technology contributions to open source projects will be an added advantage
• Should have completed Certifications or training on AWS (AWS Solutions Architect), NodeJS, front-end frameworks.