Fullstack Developer

Tech Lead(Fullstack) – Nexa (Conversational Voice AI Platform)

Location: Bangalore Type: Full-time

Experience: 4+ years (preferably in early-stage startups)

Tech Stack: Python (core), Node.js, React.js

About Nexa

Nexa is a new venture by the founders of HeyCoach—Pratik Kapasi and Aditya Kamat—on a mission to build the most intuitive voice-first AI platform. We’re rethinking how humans interact with machines using natural, intelligent, and fast conversational interfaces.

We're looking for a Tech Lead to join us at the ground level. This is a high-ownership, high-speed role for builders who want to move fast and go deep.

What You’ll Do

●     Design, build, and scale backend and full-stack systems for our voice AI engine

●     Work primarily with Python (core logic, pipelines, model integration), and support full-stack features using Node.js and React.js

●     Lead projects end-to-end—from whiteboard to production deployment

●     Optimize systems for performance, scale, and real-time processing

●     Collaborate with founders, ML engineers, and designers to rapidly prototype and ship features

 ●     Set engineering best practices, own code quality, and mentor junior team members as we grow

✅ Must-Have Skills

●     4+ years of experience in Python, building scalable production systems

●     Has led projects independently, from design through deployment

●     Excellent at executing fast without compromising quality

●     Strong foundation in system design, data structures and algorithms

●     Hands-on experience with Node.js and React.js in a production setup

●     Deep understanding of backend architecture—APIs, microservices, data flows

●     Proven success working in early-stage startups, especially during 0→1 scaling phases

●     Ability to debug and optimize across the full stack

●     High autonomy—can break down big problems, prioritize, and deliver without hand-holding

🚀 What We Value

●     Speed > Perfection: We move fast, ship early, and iterate

●     Ownership mindset: You act like a founder-even if you're not one

●     Technical depth: You’ve built things from scratch and understand what’s under the hood

●     Product intuition: You don’t just write code—you ask if it solves the user’s problem

●     Startup muscle: You’re scrappy, resourceful, and don’t need layers of process

●     Bias for action: You unblock yourself and others. You push code and push thinking

Humility and curiosity

: You challenge ideas, accept better ones, and never stop learning

💡 Nice-to-Have

●     Experience with NLP, speech interfaces, or audio processing

●     Familiarity with cloud platforms (GCP/AWS), CI/CD, Docker, Kubernetes

●     Contributions to open-source or technical blogs

●     Prior experience integrating ML models into production systems

Why Join Nexa?

●     Work directly with founders on a product that pushes boundaries in voice AI

●     Be part of the core team shaping product and tech from day one

●     High-trust environment focused on output and impact, not hours

●     Flexible work style and a flat, fast culture

About Jeeva.ai

At Jeeva.ai, we're on a mission to revolutionize the future of work by building AI employees that automate all manual tasks—starting with AI Sales Reps. Our vision is simple: "Anything that doesn’t require deep human connection can be automated & done better, faster & cheaper with AI." We’ve created a fully automated SDR using AI that generates 3x more pipeline than traditional sales teams at a fraction of the cost.

As a dynamic startup we are backed by Alt Capital (founded by Jack Altman & Sam Altman), Marc Benioff (CEO Salesforce), Gokul (Board Coinbase), Bonfire (investors in ChowNow), Techtsars (investors in Uber), Sapphire (investors in LinkedIn), Microsoft with $1M ARR in just 3 months after launch, we’re not just growing - we’re thriving and making a significant impact in the world of artificial intelligence.

As we continue to scale, we're looking for mid-senior Full Stack Engineers who are passionate, ambitious, and eager to make an impact in the AI-driven future of work.

About You

• Experience: 3+ years of experience as a Full Stack Engineer with a strong background in React, Python, MongoDB, and AWS.
• Automated CI/CD: Experienced in implementing and managing automated CI/CD pipelines using GitHub Actions and AWS Cloudformation.
• System Architecture: Skilled in architecting scalable solutions for systems at scale, leveraging caching strategies, messaging queues and async/await paradigms for highly performant systems
• Cloud-Native Expertise: Proficient in deploying cloud-native apps using AWS (Lambda, API Gateway, S3, ECS), with a focus on serverless architectures to reduce overhead and boost agility..
• Development Tooling: Proficient in a wide range of development tools such as FastAPI, React State Management, REST APIs, Websockets and robust version control using Git.
• AI and GPTs: Competent in applying AI technologies, particularly in using GPT models for natural language processing, automation and creating intelligent systems.
• Impact-Driven: You've built and shipped products that users love and have seen the impact of your work at scale.
• Ownership: You take pride in owning projects from start to finish and are comfortable wearing multiple hats to get the job done.
• Curious Learner: You stay ahead of the curve, eager to explore and implement the latest technologies, particularly in AI.
• Collaborative Spirit: You thrive in a team environment and can work effectively with both technical and non-technical stakeholders.
• Ambitious: You have a hunger for success and are eager to contribute to a fast-growing company with big goals.

What You’ll Be Doing

• Build and Innovate: Develop and scale AI-driven products like Gigi (AI Outbound SDR), Jim (AI Inbound SDR), Automate across voice & video with AI.
• Collaborate Across Teams: Work closely with our Product, GTM, and Engineering teams to deliver world-class AI solutions that drive massive value for our customers.
• Integrate and Optimize: Create seamless integrations with popular platforms like Salesforce, LinkedIn, and HubSpot, enhancing our AI’s capabilities.
• Problem Solving: Tackle challenging problems head-on, from data pipelines to user experience, ensuring that every solution is both functional and delightful.
• Drive AI Adoption: Be a key player in transforming how businesses operate by automating workflows, lead generation, and more with AI.

Tasks/Responsibilities:

• Refine the functionality of webshop design and its features.
• Designing and building the website front-end.
• Designing and managing the website back-end including database and server integration.
• Generating/Integrating WordPress themes and plugins.
• Conducting website performance tests.
• Troubleshooting content issues.
• Monitoring the performance of the live website.

Requirements:

• Proven work experience as a WordPress developer(themes & plugins).
• Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery.
• Knowledge of code versioning tools including Git and SVN.
• Knowledge of deployment of WordPress installations.
• Experience working with debugging tools such as Chrome Inspector and Firebug.
• Good understanding of website architecture and aesthetics.
• Ability to drive given topic.
• Good communication skills.

We Offer:

• Freedom to realise your own ideas & individual career & development opportunity.
• A motivating work environment, flat hierarchical structure, numerous company events which cannot be forgotten and fun at work place with flexibilities.
• Professional challenges and career development opportunities.

Job Description  -

Viaan Gaming is looking for a Sr. Software Developer who is motivated to combine the art of design with the art of programming. The ideal candidate for this position will have a broad technical skill set and extensive experience in this industry. As a result, the candidate should be able to design, develop, test and deploy the products required for the company's needs. Moreover, the candidate should be able to work with other developers in determining product strategy. 

Responsibilities - Own the product : Design, Develop & Deploy  - Assume full ownership of new technology solutions - right from the requirement to release.  - Ensure Quality & sustainability of the architecture - Obsess about code quality, automated testing, continuous integration, code reviews, and documentation  - Focus on quality with continuous integration and deployment.  - Ensure the technical feasibility of UI/UX designs. - Collaborate with other team members and stakeholders. 

Required Skills 

- Mastery of the JavaScript language (ES 2017) and all the modern tooling that it requires is essential!  - Proficient in  Node Js - Express, Restify - Strong understanding of React.js, Redux, and Webpack with at least 2-4 years  experience developing software.  - Experience writing unit, integration, and functional tests, specifically for single page apps  - Proficient in design & architecting scalable products. - Expert

Knowledge of Development Tools Bitbucket, Docker & Kubernetes, Git, CI/CD with BitBucket and JIRA  - Web Server technologies:- Apache, Nginx - Understand client-server architecture, REST APIs and websocket communication.  - Good level of understanding in SCSS and CSS and familiar with responsive UI.  - Expert knowledge to handle integration & deployments Cloud computing AWS - Expert in HTTP terminologies such as Request/Response cycle, content negotiation, CORS etc  - Management of hosting environment, including database administration and scaling an application to support load changes - Optimization of the application for maximum speed and scalability  - Obsess about code quality, automated testing, continuous integration, code reviews, and documentation  - Familiarity with AWS products - Beanstalk, Elb, ECS, EC2, SNS, SQS, S3, etc.  - Great interpersonal and communication skills  - Good organizational and time-management skills 

 Qualifications ● Bachelor’s degree or equivalent in computer science / engineering

• Looking for 0-30 Days and Notice Period Serving resources (Across the Globe)
• 4-13 years developing n-tier modern software applications in a highly transparent agile organization with iterations, continuous integration, and a drive for quality
• At least 4 years of experience in software development building Web Services in Java, SpringBoot, Elasticsearch, and Open source technologies
• At least 4 years UI programming experience with JavaScript, CSS, JSON
• At least 3 years using ReactJS or VueJS, jQuery and Bootstrap, or similar frameworks
• Experienced in service layer integration (e.g. data, authentication, 3rd party systems) using Ajax and REST APIs.
• Experienced in UI and backend unit testing, functional testing, and performance testing tools.
• Must have experience building responsive web applications and related best practices.
• Experience in building Micro Services using cloud native environments like Azure, Spring Cloud, AWS or GCP with sound understanding of Micro Services Design Patterns
• Strong interpersonal, written communication, and presentation skills
• Experience with real-time streaming processing (Kafka/Storm) is preferred
• Proven ability to design and implement web services in a RESTful manner, along with understanding our broader service-oriented architectures
• Proven ability to work within a cross functional agile team
• Must be a self-starter and able to work well with others in a fast-paced agile environment with an emphasis on collaborating and assisting the team to meet business objectives
• Ability to use tools such as JIRA, Git, etc. preferred
• Experience with containerized environments such as PCF, Docker, etc. is highly desirable

Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc depending on your technology stack)

Understanding the nature of asynchronous programming and its quirks and workarounds

Good with REST Api and integration of many API's in our backend

Good understanding of server-side templating languages (such as Jade, EJS, etc depending on your technology stack)

Understanding accessibility and security compliance

User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system

Understanding fundamental design principles behind a scalable application

Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform

Creating database schemas that represent and support business processes
Implementing automated testing platforms and unit tests

Proficient understanding of code versioning tools, such as Git
Good Code writing skills 
Integration with Shopfy, Zoho, ERP, CRM is a plus.

We are looking for a full stack developer to produce scalable software solutions.

As a full stack developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

If you’re also familiar with Agile methodologies, we’d like to meet you.

Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements:

• Degree in Computer Science or related field
• Strong organizational and project management skills.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React and Amber.
• Proficiency with server side languages such as Python, Ruby, Java, PHP and .Net.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Excellent verbal communication skills.
• Good problem solving skills.
• Attention to detail.

Reporting directly to the Founder

The job requires a great deal of responsibility early on, but we're working on something exciting and there's lots of opportunity of growth and learning.

The job is full-time, remotely based, and with flexible hours.