Senior Fullstack Developer

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

Essential Responsibilities:

• Demonstrate an understanding of the Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
• Work closely with your peers and keep engaging in a fast pace technical design and development team
• Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
• Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
• Maintain code quality through best practices, unit testing and code quality automation
• Demonstrate the ability to make informed technology choices after due diligence and impact assessment
• Help in designing interfaces and information exchange between modules
• Articulate the need for scalability and understand the importance of improving quality through testing.
• Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
• Drive design reviews, define interfaces between code modules, and apply existing technology to designs
• Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Qualifications/Requirements:

• Minimum Bachelor's Degree in Computer Science, Computer Engineering or in "STEM" Majors (Science, Technology, Engineering, and Math)
• 6+ years of experience in Full Stack Software Development within the enterprise or software services domain

Desired Skills:

• Expertise in full stack software development and awareness of 12 Factor software patterns
• Experience and knowledge of patterns and anti-patterns of microservices-based architecture design
• Experience developing and deploying applications on cloud (Azure, AWS, or GCP), on-premise, and hybrid-based architectures
• Mid-Level to Expert within one or more of the following UI development JavaScript: Client-Side HTML5 jQuery, jQuery UI, Knockout.js,
• Polymer, AngularJS, ReactJS, Bootstrap
• Mid-Level to Expert within one or more of the back-end development languages: .NET, Java, Python, or Scala
• Very solid API skills (e.g. Express.js/Node.js, GraphQL/Relay, Flask, Jersey, Java Spring REST or WebApi2)
• Skilled in use of Java, Kafka, and Spark streaming technologies
• Experience with containerization technologies such as Rancher, Kubernetes, Docker and Helm
• Hands-on experience in data storage environments of many types (RDMS, NoSQL, HDFS, etc.)
• Knowledge of GitLab, Jenkins and Artifactory
• Solid foundation in data structures, algorithms, and OO Design with rock-solid programming skills
• Security: Identity Management and Access, application security and static code analysis
• Proven success working in and promoting a rapidly changing, collaborative, and iterative product development environment
• Strong interpersonal skills, analytical skills, combined with intellectual curiosity, and a desire and ability to "get things done" are essential
• Agile Scrum development experience
• Added advantage to those having experience in multi-tenant SaaS Platform and Developers' Portal development

About HighLevel:  

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. With a focus on streamlining marketing efforts and providing comprehensive solutions, HighLevel helps businesses of all sizes achieve their marketing goals. We currently have 1000+ employees across 15 countries, working remotely as well as in our headquarters, which is located in Dallas, Texas. Our goal as an employer is to maintain a strong company culture, foster creativity and collaboration, and encourage a healthy work-life balance for our employees wherever they call home.

About the Role:

We are looking for an experienced software engineer with strong technical and communication skills who has developed full stack web apps, created solid APIs and beautiful interfaces for consuming them in user friendly apps. Focusing on details and well written self documented code are essential for this position. You can expect to collaborate with a solid team of designers, product managers, developers and testers on a daily basis. You must be experienced in building highly scalable and resilient systems that can meet our customer needs.

Responsibilities

• Improve and create new lead capture domain models.
• Build backend & Frontend API features and architecture.
• Work cross-functionally across our platform, experience, integrations, payments and marketplace teams.
• Drive performance through benchmarking and optimization
• Work with a wide range of systems, processes, and technologies to own and solve problems from end to end
• Collaborate closely with our leadership team including engineers, designers, and product managers to build new features and products
• Uphold high engineering standards and bring consistency to the many codebases and systems you will encounter.
• Work on 1 to 2 products.
• Create and improve lead capture tools like funnels, websites, forms, surveys, social media
• Architect and build backend & Frontend APIs and features

Your Core Skills

• 4+ years of experience in a full-stack environment.
• Proficient with various programming languages and tools such as but not limited to Javascript, TypeScript, Vue.js, NodeJS, and GraphQL
• Must be able to work with a team and collaborate remotely.
• You have an entrepreneurial mindset, are eager to take on different roles when necessary and know how to navigate a start-up environment.
• You are fulfilled by being a generalist working on both the frontend, backend, and anything it takes to solve problems and delight users and take pride in working on projects involving a variety of technologies and systems.
• Ability to stitch together many different services and processes together, even if you have not worked with them before.
• Hold a great deal of empathy for your team and users, you are a steward of crafting great experiences.
• Have great communication skills and can thrive in a highly collaborative environment when working cross-functionally with many stakeholders.
• Driven by product quality, and innately know how to balance trade-offs with time to launch new features.
• A keen eye for design and love to think about user flows and user experiences.
• Must have experience with HTML5 and CSS3

Additional Skills

• Experience with the Nuxt.js framework is a plus.
• Experience with MongoDB profiling and query optimization.
• Using CSS frameworks such as Bootstrap and TailwindCSS
• Experience working in the GCP (Google Cloud Platform) ecosystem.

Availability: Full time  

Location: Pune, India  

Experience: 4- 6 years 

Tvarit Solutions Private Limited (wholly owned subsidiary of TVARIT GmbH, Germany). TVARIT provides software to reduce manufacturing waste like scrap, energy, and machine downtime using its patented technology. With its software products, and highly competent team from renowned Universities, TVARIT has gained customer trust across 4 continents within a short span of 5 years. TVARIT is awarded among the top 8 out of 490 AI companies by European Data Incubator, apart from many more awards by the German government and industrial organizations making TVARIT one of the most innovative AI companies in Germany and Europe.   

We are looking for a passionate Full Stack Developer Level 2 to join our technology team in Pune. You will be responsible for handling operations, design, development, testing, leading the software development team and working toward infrastructure development that will support the company’s solutions. You will get an opportunity to work closely on projects that will involve the automation of the manufacturing process.  

Key responsibilities 

• Creating Plugins for Open-Source framework Grafana using React & Golang. 
• Develop pixel-perfect implementation of the front end using React. 
• Design efficient DB interaction to optimize performance. 
• Interact with and build Python APIs. 
• Collaborate across teams and lead/train the junior developers. 
• Design and maintain functional requirement documents and guides. 
• Get feedback from, and build solutions for, users and customers. 

Must have worked on these technologies.  

• 2+ years of experience working with React-Typescript on a production level 
• Experience with API creation using node.js or Python 
• GitHub or any other SVC   
• Have worked with any Linux/Unix-based operating system (Ubuntu, Debian, MacOS, etc)  

Good to have experience: 

• Python-based backend technologies, relational and no-relational databases, Python Web Frameworks (Django or Flask) 
• Experience with the Go programming language 
• Experience working with Grafana, or on any other micro frontend architecture framework 
• Experience with Docker 
• Leading a team for at least a year 

Benefits and perks:

• Culture of innovation, creativity, learning, and even failure, we believe in bringing out the best in you. 
• Progressive leave policy for effective work-life balance. 
• Get mentored by highly qualified internal resource groups and opportunities to avail industry-driven mentorship programs.
• Multicultural peer groups and supportive workplace policies.  
• Work from beaches, hills, mountains, and many more with the yearly workcation program; we believe in mixing elements of vacation and work. 

How it's like to work for a Startup?

Working for TVARIT (deep-tech German IT Startup) can offer you a unique blend of innovation, collaboration, and growth opportunities. But it's essential to approach it with a willingness to adapt and thrive in a dynamic environment.

If this position sparked your interest, do apply today!

By submitting my documents for the recruitment process, I agree that my data will be processed for the purpose of the recruitment process and stored for an additional 6 months after the process is completed. Without your consent, we unfortunately cannot consider your documents for the recruitment process. You can revoke your consent at any time. Further information on how we process your data can be found in our privacy policy at the following link: https://tvarit.com/privacy-policy/

Durch das Abschicken meiner Unterlagen für den Rrecruitingprozess erkläre ich mich damit einverstanden, dass meine Daten zum Zweck des Recruitingprozesses verarbeitet und nach Abschluss des Recruitingprozesses für weitere 6 Monate gespeichert werden. Ohne dein Einverständnis können wir deine Unterlagen für den Rrecruitingprozess leider nicht berücksichtigen. Du kannst dein Einverständnis jederzeit widerrufen. Weitere Informationen, wie wir deine Daten verarbeiten findest du in unserer Datenschutzerklärung unter folgendem Link: https://tvarit.com/privacy-policy/ 

Required Skills 

1) Good experience in React/Angular

2) Hand on Node.JS./Express JS 

3) Database : MYSQL/MongoDB 

4) Experience in Java Script, Typescript. 

5)Good experience in HTML5, CSS3, JavaScript, Jquery 

6) Experience working in an Agile environment. 

7) Good communication skills.

1. should have strong communication skill
2. able to communicate to client about technical solutions and needs
3. Able to deliver the project from end to end without management support
4. Should be able to code Full stack development Ex: MERN
5. Manage team independently
6. Minimum 5+ years of experience

Job Description:

We are looking for a talented Full Stack Developer with a strong background in Node.js, React.js, and AWS to contribute to the development and maintenance of our web applications. As a Full Stack Developer, you will work closely with cross-functional teams to design, develop, and deploy scalable and high-performance software solutions.

Responsibilities:

Collaborate with product managers and designers to translate requirements into technical specifications and deliver high-quality software solutions.

Develop and maintain web applications using Node.js and React.js frameworks.

Write clean, efficient, and well-documented code to ensure the reliability and maintainability of the software.

Implement responsive user interfaces, ensuring a seamless user experience across different devices and platforms.

Integrate third-party APIs and services to enhance application functionality.

Design and optimize databases to ensure efficient data storage and retrieval.

Deploy and manage applications on AWS cloud infrastructure, utilizing services such as EC2, S3, Lambda, and API Gateway.

Monitor and troubleshoot application performance, identify and resolve issues proactively.

Conduct code reviews to maintain code quality standards and provide constructive feedback to team members.

Stay up to date with the latest trends and best practices in web development and cloud technologies.

Requirements:

Proven experience as a Full Stack Developer, working with Node.js and React.js in a professional setting.

Strong proficiency in JavaScript and familiarity with modern front-end frameworks and libraries.

Experience with AWS services, such as EC2, S3, Lambda, API Gateway, and CloudFormation.

Knowledge of database systems, both SQL and NoSQL, and the ability to design efficient data models.

Familiarity with version control systems (e.g., Git) and agile development methodologies.

Ability to write clean, efficient, and well-documented code, following best practices and coding standards.

Strong problem-solving skills and the ability to work effectively in a fast-paced environment.

Excellent communication and collaboration skills, with the ability to work well in a team.

What we are looking for:

We are looking for a Full Stack Developer who has a strong understanding of designing and developing Shopify API. Candidate should also have worked on any of the following Frontend frameworks like ReactJS , NextJs and VueJs.

The candidate should be proactive enough to anticipate problems and keeping the team and management informed in a timely manner. You have to work with the Product Owner/ Cross-functional teams in the organization to understand the business requirements and to deliver solutions.

Requirements

• Minimum 2 years of experience in Full Stack Development.
• Strong Understanding of Shopify API. (Mandatory)
• Experience working with Shopify apps and 3rd party services.
• In-depth experience with Shopify’s Liquid language.
• Deep Knowledge in NodeJS & JavaScript.
• Should have experience in designing with NoSQL Databases such as MongoDB etc.
• Must know either ReactJs, NextJs or VueJs .
• Hands on experience on AWS.
• Proficient understanding of code versioning tools, such as Git.