
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

About Lynx Technologies LLC
About
At Lynx Technologies LLC, we are redefining how software, AI, and digital products are designed, developed, and scaled. As a next-generation software development and technology partner, we specialize in building cutting-edge digital solutions for ambitious businesses worldwide.
We combine human creativity, AI automation, and advanced technology to empower startups, enterprises, and entrepreneurs to turn their ideas into reality — faster, smarter, and more efficiently than ever.
Whether it's building custom AI-powered platforms, next-gen websites, mobile apps, enterprise-grade software, or scalable digital marketing solutions — Lynx Technologies delivers with precision, innovation, and future-ready designs.
Our mission is simple: We build software for the world of tomorrow.
Tech stack
Candid answers by the company
✔️ Custom Software Development
✔️ AI-Powered Platforms & Automation Systems
✔️ Website Design & Development (Tailored to industries)
✔️ Scalable Product Store & E-Commerce Development
✔️ Mobile App Development (iOS, Android, Cross-platform)
✔️ Digital Marketing Solutions — SEO, PPC, Lead Generation
✔️ AI-Orchestrated Multi-Agent Systems for automation
✔️ Advanced UI/UX and Interactive Product Designs
✔️ Software Consulting & Product Strategy
We act as a one-stop technology partner for clients seeking performance-driven, future-ready, and AI-integrated solutions.
Company social profiles
Similar jobs
Scoutflo is a platform that automates complex infrastructure requirements for Kubernetes Infrastructure.
Job Description:
- In-depth knowledge of full-stack development principles and best practices.
- Expertise in building web applications with strong proficiency in languages like
- Node.js, React, and Go.
- Experience developing and consuming RESTful & gRPC API Protocols.
- Familiarity with CI/CD workflows and DevOps processes.
- Solid understanding of cloud platforms and container orchestration
- technologies
- Experience with Kubernetes pipelines and workflows using tools like Argo CD.
- Experience with designing and building user-friendly interfaces.
- Excellent understanding of distributed systems, databases, and APIs.
- A passion for writing clean, maintainable, and well-documented code.
- Strong problem-solving skills and the ability to work independently as well as
- collaboratively.
- Excellent communication and interpersonal skills.
- Experience with building self-serve platforms or user onboarding experiences.
- Familiarity with Infrastructure as Code (IaC) tools like Terraform.
- A strong understanding of security best practices for Kubernetes deployments.
- Grasp on setting up Network Architecture for distributed systems.
Must have:
1) Experience with managing Infrastructure on AWS/GCP or Azure
2) Managed Infrastructure on Kubernetes
Navtech is a premier IT software and Services provider. Navtech’s mission is to increase public cloud adoption and build cloud-first solutions that become trendsetting platforms of the future. We have been recognized as the Best Cloud Service Provider at GoodFirms for ensuring good results with quality services. Here, we strive to innovate and push technology and service boundaries to provide best-in-class technology solutions to our clients at scale. We deliver to our clients globally from our state-of-the-art design and development centers in the US, Hyderabad, and Pune.
We’re a fast-growing company with clients in the United States, UK, and Europe. You will join a team of talented developers, quality engineers, product managers whose mission is to impact above 100 million people across the world with technological services by the year 2030.
Navtech is looking for a Full Stack Developer (Python & React) for working on some of the cutting edge technologies combined with an ability to be innovative while creating solutions in a team environment.
Working as a Full Stack Developer at Navtech, you will:
- Design and develop user interfaces to internet/intranet applications by setting expectations and features priorities throughout development life cycle; completing programming using languages and software products; designing and conducting tests.
- Contribute in all phases of the development lifecycle writing well designed, testable, efficient and documented JavaScript, HTML and CSS code.
- Assure that all Angular user input is validated before submitting to back-end services and deploying to production. Ensure delivery of a high performing complete front end application.
- Writing non-blocking code, and resorting to advanced techniques. Cooperating with the back-end developer in the process of building the RESTful API.
- Enhances organization reputation by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments.
Who Are We Looking For Exactly?
- Good Knowledge with front end technologies like React & back end technologies like Python.
- Strong computer science fundamentals: Data Structures, Algorithms, Design Patterns, Multi-threading, Distributed Systems, and OO Analysis & Design.
- Extensive knowledge of OOPS concepts, Design patterns.
- Experience working with Databases (SQL Server, Oracle etc.)
- Passionate about writing good quality code.
- Experience in working with Visual Studio tools, Git/TFS and IIS.
- Extensive experience with microservice-based architectures and technologies.
- Should have good logical, analytical and communication skills with client interaction experience.
- Strong understanding of UI, cross-browser compatibility, general web functions and standards.
- Thorough understanding of the responsibilities of the platform, database, API, catching layer, proxies and other web services used in the system.
- Should have Master’s Degree /Bachelors (BS) in computer science, Software Engineering, IT, Technology Management or related degrees and throughout education in english medium.
Why Navtech?
- Performance review and Appraisal Twice a year.
- Competitive pay package with additional bonus & benefits.
- Work with US, UK & Europe based industry renowned clients for exponential technical growth.
- Medical Insurance cover for self & immediate family.
- Work with a culturally diverse team from different geographies.
We are all about building products that make social media fun and a more convenient place to live in and earn from! We @UPCRED dream of changing the way India consumes content in terms of rich media.
If you want to build and scale a product from scratch and create an impact within an entrepreneurial environment, join us!
So as a Full Stack developer in this role, we expect the following from you -
Minimum 2-5 years of product development experience in a startup.
The major tech stack is Node, Python, Django, React, AWS, etc.
You would be someone who has demonstrated experience in building and scaling the product.
Excellent collaboration, communication, and presentational skills to ensure you effectively communicate your team and all the decisions that shaped them, with your stakeholders.
Good to have a portfolio showcasing recent works as live experiences.
If you have a passion for building and scaling marketplaces that stand out for great customer experience, this is a game-changing role in our crazy pursuit to become India’s most-loved social brand.
We at UPCRED
Life so good, you’d think we’re kidding:
Competitive salaries.
An extensive medical insurance that looks out for our employees & their dependents. We’ll love you and take care of you, promise.
Flexible working hours.
Tailored vacation & leave policies so that you can enjoy every important moment in your life.
Learning and upskilling opportunities.
Good food, games, and a cool office to make you feel at home.
HOW?
Apply, and let us know your interest?
Working at UPCRED should be a rewarding experience! Great Young people, a work environment that thrives on creativity, the opportunity to take on roles beyond a defined job description are just some of the reasons you should work with us. We are a startup looking to scale, let us know if you are interested.
We are looking for a Technical Architect to join our Team in Bangalore. This is hands-on position. Your focus will be as a ‘force-multiplier’, coaching, mentoring and acting as an escalation point for the Engineers within your area.
This is a role with a lot of variety, ranging from designing architecture, pair programming, helping Engineers debug an issue to working with Product Managers on how to achieve a product requirement.
You will work closely with other Lead Engineers and the Engineering Director to set out the roadmaps across our products to align with the architectural and technology vision. We expect you to be opinionated and bring your passion to helping us continually innovate.
You will work closely with and interact with stakeholders inside and outside of IT, contributing directly to how the wider IT team works together and makes the best use of technology.
We use: Angular/React/NextJS, TypeScript for our Front End Technologies
We use: .NET Core, Microservices, REST, SQL/Cosmos DB for our Back End Technologies
Cloud: Extensive exposure to cloud-based development, preferably Azure
Experience: 10+ years of experience in a similar senior position
We offer flexible working, not just through these uncertain times but indefinitely. We are based in Bangalore. Travel within India and abroad may be necessary and flexibility is required to meet the demands of the post, including occasional weekend work. The post holder may be reasonably required to work from any INTO or Partner location at any time.
MERN Stack Developer
2.5+ YEARS
Roles and Responsibility
Working experience as a MERN Stack Developer.
Design, code and manage large scale services using cutting edge technologies (NodeJs, ReactJS/AngularJS/VueJs etc).
In-depth knowledge of NodeJS.
Creating secure RESTful-based web services in XML or JSON.
Good knowledge in ECMAScript(6/7/8) is essential.
Strong fundamentals in Data Structures and Algorithms.
Experience implementing applications using Angular or React.
Should have an working experience with state management, React Hooks, React Fragments etc.
Should have a good Knowledge of Redux, Flux, and Webpack.
Writing the test case for components.
Experience working with Docker, Redis, MySQL, MongoDB.
Comfortable taking challenges and learning new technologies.
Excellent communication skills and client-facing experience.
Ability to mentor and build the team.
Knowledge of code versioning tools such as Git, Bitbucket or SVN.
Knowledge of the following will be considered as an advantage
Experience with Socket.IO for Real time communications.
Consumer Web Development Experience for High-Traffic, Public Facing web applications.
Caching with Redis For Speedy Performance.
Experience with cloud message APIs.
Knowledge of GraphQL, PostgreSQL.
Knowledge of NextJs.
Knowledge of any frameworks of NodeJS.
Experience with Progressive Web applications.
Knowledge of SSR.
Founded by two MDI alumnus, it is a student centric and personalised learning platform that delivers enjoyable learning content as per the state boards. This ed-tech provides a solution which is easy to use, lets students enjoy learning, makes life easy for a teacher and delivers learning in the language that students are most comfortable. The organisation has worked in 14 states across India and awarded Google India under "Impacting Change through Digital".
- Taking ownership of the current web based reporting backends of our current solutions/ apps and developing/ stabilizing/ scaling them further as per product plans
- Ensuring development and ongoing growth of a web based content management engine as the central node of our apps and tablet based learning products.
- Licensing, Encryption, Reporting & Analytics for all our products have to be integrated into a single user and licensing management backend.
What you need to have:
- Deep and Practical experience with Node. JS (primary work component), Firebase, AWS/ Heroku, SQL/ NoSQL Databases with Server side integration.
- 2-5 years of deep hands-on experience with web based solutions, backend development and web development in the above mentioned tech.
- Should have worked on a web based backend in Node.JS for preferably an android app based solution which had scaled to a large number of users.
- Developed, managed and scaled usage/ analytics and reporting of end user based solutions.
- Should have developed and managed APIs.
- Should have practical experience of integrating and managing online payment systems.
- Built and managed online learning platforms with login, video security, online payment and reports.
ground running. You will be a part of a full-stack creative team that is responsible for all aspects of the ongoing software
development from the initial specification, through to developing, testing and launching.
Requirements:
1. 3-5 years of exp in building web applications using PHP (Laravel framework)
2. Very good in build rich UI using HTML/CSS and Jquery
3. Good understanding of databases like MySQL, postgresql etc
JD:
1. Write “clean”, well-designed code
2. Produce detailed specifications
3. Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and
functionality.
4. Contribute in all phases of the development lifecycle
5. Follow industry best practices
6. Develop and deploy new features to facilitate related procedures and tools if necessar
You will be responsible for overseeing full-stack development as well as the R&D around creating various, unique, and bespoke solutions.
You should be able to quickly understand and support initiatives that will contribute to the goals and success of operations. You would also be working with various departments to coordinate and develop digital solutions for bespoke in-house software.
RESPONSIBILITIES
- Work with development teams and product manager to implement software solutions.
- Developing front end and back end website Architecture.
- Build user interactions on web pages.
- Develop and manage databases for functionalities.
- Designing and developing effective APIs.
- Test Software to ensure the responsiveness and efficiency of applications.
- Meeting both technical and consumer/client needs.
- Write technical documentation.
- Troubleshoot, debug, and review the code.
We are looking for Full-stack engineers with a minimum of 2 to 3+ years of exposure to Node JS, Express JS, Mongo DB, and React JS to join our team.
At Aryston Web Solution Pvt. Ltd, you will use the latest software development languages, techniques, and approaches and work with a visionary team to build solutions you can be proud of.
Your role and responsibilities
- Creating solid back-end code with Node JS.
- Writing code in async-await architecture.
- Integrating REST APIs in front-end application using React JS
- Writing mongoose schema efficiently can implement MRC architecture in the express framework
- Implementing business logic in front-end applications using javascript, should be able to handle complex JSON architecture.
- Should be able to manage states using Redux, Redux thunk/saga, Mobx.
- Should be comfortable in using both functional and class components in React.
- Must be familiar with popular React UI libraries like Material UI, Antd.
- Implement best practices and constantly learn new ways of keeping codebases up to date.
- Having knowledge in Typescript, GraphQL, NextJS, Socket.io is like a match made in heaven.
- AWS SDK hands-on experience, Firebase Services experience, Oauth 2.0 handling knowledge are best to have.
Criteria
- 2+ years of work experience with Node JS, Mongo DB Javascript and React JS.
- Proficient understanding of code versioning tools, such as Git.
- You care about the design and user experience of an application. The choice of third-party libraries should be elegant.
- You must respect the timeline of the deliverables and releases.
Why Join Us?
Aryston Web Solution builds robust solutions for clients in 10+ sectors including cybersecurity, education, healthcare, hospitality, insurance, transportation which makes a positive impact in 5+ countries in the world.
We also have our B2B SAAS product and catering a wide range of clients through it.
At Aryston -
- Your work gets recognition from day 1.
- Since we work very closely, We honor the decision and opinions of our colleagues.
- We grow, you grow.
- We explore and learn new things together.
- Fixed working hours.
- We follow proper productive techniques to get things done, so there are fewer phone calls or boring meetings, and of course zero blame game.
Kolkata (West Bengal)









