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

We are seeking an experienced and highly skilled Java Full Stack Developer to join our growing team. The ideal candidate will have a strong background in both backend (Java, Spring Boot) and frontend (JavaScript, React or Angular), with a proven ability to build scalable, high-performance applications.

Responsibilities:

• Design, develop, test, and deploy scalable and robust backend services using Java & Spring Boot
• Build responsive and user-friendly frontend applications using modern JavaScript frameworks (React or Angular)
• Collaborate with architects and team members to design scalable, maintainable, and efficient systems
• Contribute to architectural decisions involving microservices, REST APIs, and cloud solutions
• Implement and maintain RESTful APIs for seamless integration across systems
• Write clean, efficient, and reusable code following best practices
• Conduct code reviews, performance optimizations, and debugging
• Work closely with cross-functional teams, including UI/UX designers, product managers, and QA engineers
• Mentor junior developers and provide technical guidance when needed

Skills & Experience

• Minimum 3 years of experience in full-stack development
• Core Java / Java 8
• Spring Boot, Spring Framework
• Microservices architecture
• REST APIs
• Kafka (preferred)
• JavaScript, HTML, CSS, TypeScript
• React (preferred) or Angular
• MySQL (or equivalent relational databases)

Immediate Joiners Preferred. Notice Period - Immediate to 30 Days

Interested candidates are requested to email their resumes with the subject line "Application for [Job Title]".

Only applications received via email will be reviewed. Applications through other channels will not be considered.

Overview

Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job Description

As part of our dynamic international cross-functional team you will be responsible for the design, development and deployment of modern high quality software solutions and applications as an experienced and skilled Full-stack PHP Developer. 

Responsibilities:

Design, develop, and maintain the application.

Write clean, efficient, and reusable code.

Implement new features and functionality based on business requirements.

Participate in system and application architecture discussions.

Create technical designs and specifications for new features or enhancements.

Write and execute unit tests to ensure code quality.

Debug and resolve technical issues and software defects.

Conduct code reviews to ensure adherence to best practices.

Identify and fix vulnerabilities to ensure application integrity.

Working with other developers to ensure seamless integration backend and frontend elements. 

Collaborating with DevOps teams for deployment and scaling.

Requirements:

Bachelor’s degree in computer science or information technology, or a related field.

Proven experience as a skilled Full-stack developer with focus on PHP and web technologies. 

Strong experience with PHP 8 and 7, Symfony Framework, AWS / Azure or GCP, GitLab and Angular and / or React. Additional technologies like Java, Python, Go, Kotlin, Rust or similar are welcome.

Experienced with test driven development and QA Tools like f.e. PHPstan, Deptrac.

Excellent problem-solving and debugging skills.

Strong communication and collaboration abilities to work effectively in a team environment.

Skills & Requirements

Full-stack development, PHP 8, PHP 7, Symfony Framework, AWS, Azure, GCP, GitLab, Angular, React, Java, Python, Go, Kotlin, Rust, Test-driven development, QA tools, PHPStan, Deptrac, Problem-solving, Debugging, Communication, Collaboration, System architecture, Technical design, Unit testing, Code review, Deployment, Scalability.

Role and Responsibilities

•  Working with front-end developers and providing server-side algorithms of user-facing web application elements.
• Coding and creating functional web applications, optimizing code for increasing response time and efficiency.
• Analyzing the goals and requirements, efficiently handling bugs and errors, and finding effective solutions for the same.
•  Interacting with the database for storing data and ensuring that every user has access to what they search.
•  Accomplishing the projects and goals within deadline.
• Managing APIs that are executed across the devices.
•  Involving in defining the architecture of the system.

Required skills

• In-depth knowledge of PHP and related frameworks like Laravel, Codeigniter, Yii. Competent in Ruby, Python, nodeJs, and Java will be an added advantage.
• Good Communication, Analytical, Logical, and Leadership skills.
• Knowledge of front-end technologies, such as Angular, React, HTML, CSS, and JavaScript will be preferred.
• Capable of managing a hosting environment along with database administration such as MySQL, Oracle.
• Excellent knowledge of APIs (REST, SOAP) and Web services.
• Ability to scale applications to handle the load changes.
• Knowledge of accessibility and security compliance.
• Good to have experience in version control, such as GIT.

Tailor and Circus is an online ecommerce brand, looking for full-time a Ruby on Rails Developer to work with the brand on cutting edge technologies combined with an ability to be innovative while creating solutions in a team environment.

Roles and Responsibilities

• Perform all phases of software engineering including requirements analysis, application design, architecture design, code development, deployment and testing.
• Design and implement product features in collaboration with business and internal stakeholders.
• Design reusable components, frameworks, and libraries.
• Work very closely with architecture groups and drive solutions.
• Participate in an Agile/Scrum methodology to deliver high-quality software releases every 2 weeks through Sprints.
• Design and develop innovative solutions to meet the needs of the business.
• Review code and provide feedback related to best practices and improving performance.
• Troubleshoot production support issues post-deployment and come up with solutions as required.

Desired Candidate Profile

• 1-3 yrs of experience with Rails 4 or 5 framework.
• Development and delivery experience with Ruby (1.9, 2.x); Rails (4 or 5).
• Good to have HTML, CSS, AJAX, jQuery and excellent JavaScript knowledge.
• Good ability to understand, discuss, design, develop, test, document, and troubleshoot an interactive AJAX enabled Rails application that uses REST, SOAP, SQL.
• Knowledge on AWS is requirement.
• Experience on Heroku, Azure would be an added advantage.,
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools (e.g. Git, Mercurial or SVN)
• Familiarity with development aiding tools (such as Bower, Bundler, Rake, etc)
• Familiarity with continuous integration

Mandatory Requirements:

• Minimum 2-3 years coding experience on Ruby on Rails platform
• Experience in working with Ecommerce products

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.