
Senior AI Engineer — Ruby on Rails
Techjays · Coimbatore / Chennai · Hybrid · Immediate – 30 Days Notice
About Techjays
We're the AI Reimagination Company — and that's not a tagline we put on a deck. It's what we actually do.
Techjays helps global enterprises rebuild the way they operate using AI at the core: not as a pilot, not as a feature, but as a foundational layer across products, workflows, and infrastructure. We're an Anthropic partner, which means our engineers get early access to frontier models and tools before they hit the market.
Our team includes engineers and leaders from Google, Akamai, NetApp, ADP, Cognizant Consulting, and Capgemini. We run like a high-agency startup, but we build production systems that real enterprise clients depend on.
Every project is greenfield. Every line of code you write ships.
What This Role Actually Is
This isn't a "keep the monolith alive" job.
You'll be designing and building new AI-powered features, integrating LLM APIs into production Rails applications, and using Claude Code as a core part of your daily workflow — not as an experiment. You'll work directly with US-based enterprise clients alongside Product Managers, AI Business Consultants, and Delivery Excellence Managers.
Your architecture decisions will have visible business impact.
What You'll Own
- Design, build, and maintain production-grade Ruby on Rails applications for US enterprise clients — from architecture to deployment
- Integrate LLM APIs (Claude, GPT-4, Gemini) into the Rails stack, building AI-powered features that drive real business outcomes
- Use Claude Code daily as your AI development partner — for generation, debugging, documentation, and velocity
- Build responsive, performant React front-ends from wireframes and design specs
- Own RESTful and GraphQL API design for client applications and third-party integrations
- Drive database design and optimisation — schema, queries, indexing, and migrations on PostgreSQL/MySQL
- Lead code reviews and raise the technical bar through constructive feedback
- Document architecture decisions, API contracts, and implementation patterns
Must-Haves
- 6+ years of deep, production-grade Ruby on Rails experience — advanced framework patterns, background jobs (Sidekiq/Redis), design patterns, best practices
- Hands-on experience with Claude Code (Anthropic) for AI-assisted development — this is central to how we build
- Strong React skills — hooks, component architecture, state management, wireframe to production
- Expert-level PostgreSQL/MySQL — schema design, query optimisation, indexing, performance tuning
- Proven experience designing RESTful and GraphQL APIs at scale
- Experience integrating third-party LLM APIs (OpenAI, Anthropic, Google Gemini) into production Rails apps
- Strong software architecture fundamentals — MVC, service objects, design patterns, testability
- Deep comfort with Git, Gitflow, and PR-based collaboration workflows
Good to Have
- Python for scripting, automation, or backend service integration alongside Rails
- AWS familiarity — EC2, S3, RDS, Lambda — for deployment and infrastructure
- MongoDB or NoSQL in polyglot persistence architectures
- Vector databases (Pinecone, pgvector, Weaviate) for LLM application development
- LangChain, LangGraph, or similar orchestration frameworks for AI agents
- SaaS multi-tenancy patterns and high-traffic web application experience
- Open source contributions or a strong public GitHub profile
Why Join Techjays
- Claude Code is standard practice here, not a side experiment — you'll use it every day to ship faster and smarter
- Anthropic partner access — early visibility into frontier AI tools and capabilities before the market sees them
- Greenfield only — you'll design architecture, not inherit technical debt
- Global client exposure — your engineering decisions translate directly to measurable business outcomes for US enterprise clients
- Team pedigree — you'll learn alongside engineers who've shipped at real scale at Google, Akamai, and NetApp
- AI is the product here, not a feature. You'll spend your career at the intersection of software engineering and AI systems
What We're Looking For Beyond the Resume
- Builder mindset — you think in systems, not tickets
- Ownership — you take features from idea to production
- Structured thinking in ambiguous, fast-moving environments
- Clear communicator, collaborative team player
What We Offer
- Competitive compensation
- Hybrid work — Coimbatore office or remote flexibility
- Paid holidays and flexible time off
- Medical insurance for self and family (up to ₹4 Lakhs per person)
- Opportunity to work on production-grade AI systems for global clients
- A culture built on clarity, integrity, and continuous growth
Location: Coimbatore / Chennai — Hybrid Notice Period: Immediate to 30 days preferred

About Techjays
About
Techjays is The AI Reimagination Company — an enterprise AI partner founded by leaders with experience at Google. We don’t just experiment with AI; we build, deploy, and scale production-grade systems that solve real business problems.
Our focus is on industries where impact matters most — manufacturing, logistics, and complex enterprise operations. From intelligent automation to LLM-powered workflows, we design solutions that deliver measurable business outcomes in under 90 days.
With 20+ live AI systems already in production and over $100M in cost savings delivered, our work goes beyond proof of concept — it drives tangible value.
Headquartered in Menlo Park, Techjays operates across seven countries including the USA, India, UAE, UK, Canada, Australia, and Bangladesh — helping global enterprises rethink how they build, operate, and scale with AI at the core.
Tech stack
Candid answers by the company
Coimbatore (remote) and Remote options available.
Product showcase
Photos
Connect with the team
Similar jobs
- Job Summary:
We are seeking a skilled MERN Stack Developer to join our dynamic development team. The ideal candidate will have hands-on experience in building modern web applications using MongoDB, Express.js, React.js, and Node.js. You will be responsible for designing and developing scalable, high-performance web applications and collaborating with cross-functional teams to deliver top-tier solutions.
Key Responsibilities:
- Develop and maintain responsive web applications using the MERN stack.
- Design, build, and maintain RESTful APIs and integrate third-party services.
- Collaborate with UI/UX designers, product managers, and other developers to deliver seamless user experiences.
- Optimize applications for performance and scalability.
- Write clean, maintainable, and efficient code.
- Participate in code reviews and provide constructive feedback.
- Debug and troubleshoot issues across the full stack.
- Implement security and data protection best practices.
Position Overview
We are seeking an experienced Lead Full Stack Developer to join our dynamic team in Bangalore. The ideal candidate will lead full-stack development initiatives, mentor the development team, and deliver scalable, secure, and high-performing solutions using modern technologies.
Key Responsibilities
- Develop and maintain front-end components using AngularJS.
- Build secure RESTful APIs and backend services using Spring Boot.
- Integrate and manage MongoDB for efficient data storage and retrieval.
- Collaborate closely with UI/UX designers, product managers, and QA teams.
- Ensure application performance, responsiveness, and scalability.
- Participate in code reviews and enforce coding best practices.
- Debug and resolve technical issues across the full stack.
- Write and maintain unit and integration tests for frontend and backend.
- Manage Git-based version control and CI/CD pipelines.
- Provide technical leadership and mentor junior developers.
Required Qualifications
Education & Experience:
- Minimum 5 years of professional software development experience.
- Bachelor’s degree in Computer Science, Engineering, or related field.
- Proven track record in full-stack development.
Technical Skills:
- Proficient in AngularJS, JavaScript, TypeScript, HTML, CSS.
- Strong backend skills using Java & Spring Boot.
- Experience with MongoDB, including schema design and queries.
- Solid understanding of REST APIs, HTTP protocols, and web architecture.
- Hands-on experience with Postman, Maven, Git.
- Familiarity with JSON, XML, and serialization formats.
- Strong knowledge of web security best practices.
- Understanding of Agile development methodologies.
- Experience managing CI/CD pipelines.
Leadership Skills:
- Prior experience leading a development team (preferred).
- Ability to mentor, guide, and coach junior developers.
- Strong project planning and coordination abilities.
Soft Skills:
- Exceptional leadership and collaboration skills.
- Strong analytical thinking and problem-solving abilities.
- Excellent verbal and written communication skills.
- Ability to work under pressure and meet tight deadlines.
- Strategic thinking with attention to detail.
- Adaptability to rapidly changing technologies.
- Effective time management and organizational skills.
Preferred (Good-to-Have):
- Background or understanding of electrical systems.
- Experience with cloud platforms & deployment strategies.
- Knowledge of modern frameworks and emerging technologies.
Job Designation: Software Developer - Full Stack
Job Location: Bangalore
- Understand and identify requirements
- Design
- Coding
- Unit Tests
- Documentation
- Must have 1-4 years of experience as Full Stack Developer
Skills: React JS/Next JS, NodeJs, ExpressJs,JavaScript, Typescript, Restful/SOAP web servicesMongo DB(NoSQL/SQL)database technologies.
Experience preferred:
● You have a strong passion for start-ups and the proactiveness to deliver
● You have hands-on experience building services using NodeJs, ExpressJs technologies
● You have hands-on experience of MongoDB (NoSQL/SQL) database technologies.
● You are good at web technologies like React JS/Next JS, JavaScript, Typescript
● You are good at web technologies like Restful/SOAP web services
● You are good at caching and third-party integration
● You are strong on debugging and troubleshooting skills
● If you have Knowledge of Python, Chrome extension & DevOps development is a plus.
● You must be proficient in building scalable backend infrastructure software or distributed systems with exposure to Front-end and backend libraries/frameworks.
● Experience with Databases and micro services architecture is an advantage
● You should be able to push your limits and go beyond your role to scale the product
● Go-getter attitude
JOB DESCRIPTION
Senior Full Stack Web Developer
About-
It is a freshwater fish and seafood supply chain platform.It is a B2B marketplace leveraging technology to deliver the fastest harvest-to-retail in the industry.Building the future of meat and seafood supply chain.We are building smart supply chain to deliver the highest quality seafood and meat for the Indian consumer. Our innovations in process management and workforce orchestration along with strong industry credentials are enabling us to deliver the fastest harvest-to-fork in the industry.Our endeavor is to leverage experience across various parts of the value chain – farming, production, delivery to marquee brands – to deliver similar value to the Indian consumers.
Role-
As a senior full stack developer, you will contribute to our end to end supply chain platform. You'll work with all key stakeholders to deliver scalable, maintainable code and deliver amazing user experiences. We are building a design and process centric culture where you'll play a key role in the implementation of the foundation of all our systems. Up for a challenge?
You are:
- A self starter with a sense of what it takes to be successful as a team
- Agile - welcome change, do as less as possible and embrace continuous delivery
- Conscious about how quality is carried through from the UI to all layers underneath
- Passionate about design as a foundation of great user experience
- Opinionated, but flexible to accommodate the big picture
Responsibilities
- Analyse requirements, provide estimates and deliver code in an agile setup
- Stay on top of all owned work and raise red flags as early as possible
- Define the architecture, best practices and coding standards for full stack development
- Support continuous technical improvement by investigating alternatives and technologies and present them for architectural review
- Motivate team members, coach junior members and extend goodwill to other employees
Must have
- Prior startup experience, preferably with war stories to share
- 3-5 years of software industry experience
- Solid understanding of software design, development, testing, and problem-solving
- Expertise in coding efficient, high quality and modularized software
- Expertise in React.js & node.js and related ecosystem
- Experience with GraphQL and other modern JS ecosystems
- Expertise in common design patterns and anti-patterns Javascript
- Experience with service-oriented architecture and microservices
- Expertise in relational and non-relational databases and expertise in at least one database system
- Experience with planning, execution and maintenance of test infrastructure for backend workflows
- Knowledge of AWS
- Knowledge of unix shell and source control systems and tools such as git
- Strong technical leadership skills
- Strong communication skills
- Technical mentoring skills
Great to have
- Experience with CI/CD and setting up monitoring infrastructure
- Experience with Flutter
- Interest in blockchain and computer vision related ML systems
- Experience working on high traffic systems
- Bachelor’s degree in Computer Science or a related discipline.
Job Description- React Developer
● Requirements-
● Experience: 2+
Having knowledge of React JS. Having knowledge of Node JS Having Knowledge of HTML,
CSS, and JavaScript. Knowledge of web services integration and writing. Need to have strong
R&D power Knowledge of GitHub and Jira. A bit of knowledge of code building and docker
activity.
Profile- NodeJs Developers
Overall Experience- 2+ Years minimum
Pure Node.js Experience- At 1 Years
● Required Skills:- A person who is superb in node.js first and foremost. Needs to understand
the intricacies of promises and the asynchronous programming paradigm.
● A close second is experience in Graphql. Understanding Queries, Mutations and Apollo.
● Tertiary is DynamoDb and Mysql Being able to pick up a non-standard ORM and being able to
program against it.
● Developers must have experience with AWS, and preferably AppSync, Serverless Framework,
Lambdas, Codebuild and Codepipeline
● Experience building Automated Testing Frameworks using selenium, phantomjs, etc. is
preferred
About the Company
Xerago is a 15-year-old Private Limited company that helps brands with their Marketing Transformation by providing integrated marketing services through its Marketing Centres of Excellence.
We are looking for a Full Stack Developer who will work on a broad range of cutting-edge technologies.
Go Xerago!
Official website - https://www.xerago.com/">https://www.xerago.com/
Go Xerago!
Experience Required – 2 to 6 years
What you’ll do
- 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.
What you’ll need
- 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.
Job type: Full time.
Role type: Technical.
Location: Mumbai
Functional Area: Web and app development specializing in CRM and Sales Force Automation IT solutions.
About the role:
We are looking for a PHP developer, responsible for the development and maintenance of the Websites, CMSs,
Services, APIs and MySQL databases (writing the procedures and complex queries). The developer will be the
part of the full stack team and work with our team of engineers.
You will be responsible for -
● Hands on experience in Core PHP and MySQL Database.
● Good experience of relational databases, database keys and joins.
● Clear understanding of Object Oriented Programming, CSS, HTML layout.
● Strong experience of JavaScript, Ajax, Jquery and secure REST API.
● Strong skills on JSON parsing as well as XML for fetching data into the application
● Good knowledge of the application deployment process using FTP.
● Basic knowledge of Unix Command / environment
● Should be able write the code independently.
● Knowledge of PHP frameworks and CMS.
● Candidate should be able to follow Best Practices of all the Languages
● Collaborate with cross-functional teams to define, design, and implement the features.
● Unit-test code for robustness, including use cases, usability, and general reliability.
● Identify and correct bottlenecks, work on bug fixing and improving application performance
● Continuously discover, evaluate, and implement new technologies to maximize development efficiency
● Ability to understand business requirements and translate them into technical / coding requirements.
● Proficient understanding of code versioning tools, such as Git.
● Excellent communication skill and think out of the box to achieve the business logic with less impact and
revisions.
● Contribute in all phases of the development lifecycle.
Qualification & Experience:
● Any Engineering Graduate or Post Graduate.
● BS degree in Information Technology, Computer Science or equivalent
● 3 Years of Professional Experience.
Great to have’s: Must have skills or competencies.
● Strong written and verbal communication skills.
● Being able to work in a fast-paced multidisciplinary environment as in a competitive landscape new data keeps
flowing in rapidly and the world is constantly changing
What we offer you?
● An open minded, collaborative culture of enthusiastic technologists.
● Getting to work with our clients and be part of the next level evolution.
About Andesoft Consulting:
Andesoft is a boutique interactive services shop strategically combining business analytics and design. The primary
domain expertise covers, Web architecture, CMS and CRM technologies
Market and business analytics to achieve better market segmentation and campaign management
Custom off-line and on-line interactive applications
The 3 major business verticals we specialize in are Health Care, Financial Services, and Public and Non-profit
Sectors.
Company Profile: http://www.andesoftconsulting.com
- Someone’s traveling to airport/office/home - can we suggest them public transport routes with first mile & last mile and accurate tracking of the individual leg of the journey
- Someone’s new in the city - can we help them travel from A to B in the most efficient way
- Someone’s planning to not use their private vehicle for the commute - can we design an efficient and reliable system to plan their commute with accurate information of public and private transport
- Transition people from private to hybrid multimodal commute
- Someone's traveling home late at night - can we give their friends, family peace of mind?
- Build a single mobile ticket for the entire journey
What you’ll do
- Build the backend and deploy systems powering the app
- Improve routing across 10+ cities for everything from walking to trains to electric scooters to metro to bus to auto to bike
- Integrate new private transport companies and new ways of getting about our cities
- Develop smarter ways of integrating the payment systems with the app
- Extract, process and crunch together departure times, travel habits, and pricing information and suggest reliable results to users
- Create experiences that delight your friends, family, and millions of new commuters when they come and visit your city
- Design and build systems that scale on demand and are secure
- Deploy and support your code on AWS
- Best practices: code reviews, tests, CI
- Teach us how to be better our Stack (Required) Java (Spring Boot), Postgres, MongoDB, ReactJs, Golang Microservice Nginx, API Gateway, Load Balancer, Kafka, Redis, Websockets, Docker, Kubernetes, Git, AWS - EC2, RDS, s3, lambda Optional Nodejs(Express)
























