Full Stack Developer

Apply: https://processity.ai/careers/fullstack-ai-engineer

BigMantra is a Vertical Autonomous AI Agent Builder — we build AI companies that go a mile deep into specific industries. Our products include Mantra Spaces (AI-powered UK HMO property management) and Verity Law (AI-powered legal conveyancing). Our team is small, our stack is modern, and your code ships to production the same week you write it.

We're looking for a Fullstack AI Applied Engineer who can build full applications end-to-end and wire AI agents into production systems that real users depend on.

WHAT YOU'LL DO

• Build and ship full-stack web applications using React / Next.js and Python / Node.js

• Design and implement AI agent workflows using LangChain, LangGraph, Claude Agent SDK, Agno, or similar

• Integrate agents with real-world APIs — Salesforce, Google Workspace, WhatsApp Business, email providers

• Build and optimize database layers — production SQL, schema design, RAG pipelines

• Own deployment and infrastructure — Docker services, CI/CD pipelines on AWS or Azure

• Write tests that matter — E2E, load tests, performance benchmarks

• Collaborate directly with the founding team on architecture and product direction

MUST HAVE

• 3+ years of professional software engineering experience

• Strong JavaScript / TypeScript — React, Next.js, Node.js in production

• Strong Python — backends, agent systems, data pipelines

• Hands-on experience with at least one AI agent framework (LangChain, LangGraph, Claude Agent SDK, Agno, or equivalent)

• Docker services for containerization and deployment

• CI/CD pipelines — GitHub Actions, GitLab CI, or similar

• Deployment experience on AWS or Azure

• Solid SQL and database skills — schema design, query optimization

GOOD TO HAVE

• Experience with autonomous agents — MCP (Model Context Protocol), skills, plugins, tool-use

• Memory and context management for long-running agents

• Prompt engineering and optimization

COMPENSATION & BENEFITS

• ₹30L – 50L per annum (based on experience)

• Equity / ESOPs — early-stage participation

• Remote-friendly — Coimbatore office available

• Learning budget — courses, conferences, AI tooling subscriptions

• Flexible hours — output over seat time

Job Summary:

We are looking for a highly skilled MERN Stack Developer with at least 3 years of experience to join our team. As a Team Lead, you will be responsible for designing, developing, and optimizing web applications while mentoring junior developers. Strong communication skills and leadership abilities are essential for this role.

Key Responsibilities:

Full-Stack Development

• Develop, optimize, and maintain scalable applications using MongoDB, Express.js, React.js, and Node.js.
• Implement best coding practices, reusable components, and maintain high-performance applications.

Technical Leadership

• Lead a team of developers, conduct code reviews, and provide technical mentorship.
• Ensure the team follows best practices, development standards, and project timelines.

Backend & Database Management

• Design and implement RESTful APIs, GraphQL, and backend logic.
• Optimize MongoDB queries, indexing, and schema design for performance.

Frontend Development

• Develop interactive and responsive UI components using React.js, Redux, Next.js, or TypeScript.
• Ensure seamless user experience and cross-browser compatibility.

Collaboration & Deployment

• Work closely with UI/UX designers, product managers, and DevOps for smooth project execution.
• Manage CI/CD pipelines, cloud deployments (AWS, Firebase, Heroku), and ensure system security.

Requirements:

✔ 3 years of experience in MERN Stack development.

✔ Strong expertise in JavaScript, TypeScript (preferred), and modern frameworks.

✔ Experience leading teams, conducting code reviews, and mentoring junior developers.

✔ Knowledge of Docker, Kubernetes, CI/CD pipelines, and cloud platforms.

✔ Strong problem-solving skills and ability to troubleshoot performance issues.

✔ Excellent communication skills and ability to work in an Agile team environment.

Job Description: 

• Experience in Core Java, Spring Boot. 

• Experience in microservices. 

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns. 

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications. 

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2 

• Good knowledge of multi-threading 

• Basic working knowledge of Unix/Linux 

• Excellent problem solving and coding skills in Java 

• Strong interpersonal, communication and analytical skills. 

• Should be able to express their design ideas and thoughts. 

CTC Budget: 35-50LPA

Location: Hyderabad/Bangalore

Experience: 8+ Years

Company Overview:

An 8-year-old IT Services and consulting company based in Hyderabad providing services in maximizing product value while delivering rapid incremental innovation, possessing extensive SaaS company M&A experience including 20+ closed transactions on both the buy and sell sides. They have over 100 employees and looking to grow the team.

Work with, learn from, and contribute to a diverse, collaborative

development team

● Use plenty of PHP, Go, JavaScript, MySQL, PostgreSQL, ElasticSearch,

Redshift, AWS Services and other technologies

● Build efficient and reusable abstractions and systems

● Create robust cloud-based systems used by students globally at scale

● Experiment with cutting edge technologies and contribute to the

company’s product roadmap

● Deliver data at scale to bring value to clients Requirements

You will need:

● Experience working with a server side language in a full-stack environment

● Experience with various database technologies (relational, nosql,

document-oriented, etc) and query concepts in high performance

environments

● Experience in one of these areas: React, Backbone

● Understanding of ETL concepts and processes

● Great knowledge of design patterns and back end architecture best

practices

● Sound knowledge of Front End basics like JavaScript, HTML, CSS

● Experience with TDD, automated testing

● 12+ years’ experience as a developer

● Experience with Git or Mercurial

● Fluent written & spoken English

It would be great if you have:

● B.Sc or M.Sc degree in Software Engineering, Computer Science or similar

● Experience and/or interest in API Design

● Experience with Symfony and/or Doctrine

● Experience with Go and Microservices

● Experience with message queues e.g. SQS, Kafka, Kinesis, RabbitMQ

● Experience working with a modern Big Data stack

● Contributed to open source projects

● Experience working in an Agile environment

Responsibilities:

• Designing and developing mobile-first applications.
• Creating and maintaining clean and clear front-end code and backend APIs for our web and mobile applications.
• Automation and Deployments of builds - Frontend and Backend.
• Application Performance And Error Monitoring and Automation.
• Maintaining excellent test coverage for our code base.
• Working with our shared services and field teams to identify application bottlenecks and make relevant architectural decisions.
• Constantly optimizing our code bases with an eye for modularity and legibility.
• Writing documentation for our external and internal APIs.

Requirements:

• 4-7 years of professional web development experience.
• WordPress custom theme/plugin development from scratch.
• Mandatory experience in PHP and NodeJS packages (e. g. express, socket-io).
• Experience with AWS Lambda and EC2 is required.
• MySQL/PostgreSQL/Oracle.
• Javascript / jQuery / ES6
• CSS/SCSS
• Unix Server Administration.
• Gitlab and CI deployment experience.

Nice to have:

• Familiarity with at least one Javascript framework (React, Vue.js, etc.).
• Familiarity with CI/CD Pipeline.
• Excellent documentation skills.
• Ability to clearly articulate technical problems, design and implementation choices to a broad range of stakeholders (e. g. sales team, users, security experts).

Perks and Benefits

• Work from anywhere
• Competitive salary and bonus program
• Annual company retreats to fantastic places
• Unlimited Vacation Policy
• Great healthcare coverage
• Professional development allowance
• Internet Allowance
• Customised CMMversary rewards on your 1,3,5,7 and 10-year work anniversaries
• Career Enablement – We meld your upskilling initiatives with organization’s strategic planning
• Take your Birthday Off

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.

• This is mainly a full stack position .net or Java experience
• Full Stack Experience in Angular 5+ along with Dot Net is preferred
• Dot Net experience in C#,Entity framework in Postgre SQL,Restful web services,Azure and AWS cloud solutions,HTML5,CSS3,JavaScript and Bootstrap and Angular

Skills and Qualification: 

1. Experience in working MEAN stack / Full Stack platform
2. Front-end developer with knowledge of coding into NODE/EXPRESS, JavaScript, Jquery & its plugins.
3. js/Redux/React-native.
4. Knowledge of different NPM packages (Session, Async etc.).
5. Knowledge of Mongo dB/Mongoose/Nosql.
6. Knowledge of Any one framework (Mean.io/Ionic/Meteor).
7. Experience in Backbone.js or Angular.js is a must.
8. Knowledge of responsive design creation.
   CSS3 / HTML / HTML5.

Roles and responsibilities:

• Proficient in SQL, NoSQL, relational database design and methods for efficiently retrieving data 
• Experience building complex and non-interactive systems batch, distributed, etc.
• Be responsible for the technical design and experience in guiding/mentoring others.
• Strong OOPS knowledge, including experience with design patterns
• Experience with relational databases like MySQL/Oracle
• Experience with enterprise application servers like Tomcat/Weblogic/Websphere.
• Exposure to Web Services SOAP and RESTFUL
• Exposure to Agile/Scrum, TDD, and Continuous Integration tools like Jenkins, Bamboo etc.
• Excellent analytical aptitude and problem solving skills.
• Excellent communication and customer interfacing skill

Job Description –

• Full stack developer position.
• Should have total of 5-7 years of experience.
• Should have min. of 2 years of experience in developing Enterprise apps on React.js and 2 years on Django apps.
• Very good in Data structure, logical reasoning, and algorithms.
• Experience with cloud providers like AWS or Azure or GCP is also required.
• Good Understanding of Design and Integration patterns.
• Ability to work independently and with lots of ownership.
• Ability to learn and apply newer technologies quickly.
• Good to have knowledge in building progressive web apps.

Role Description

• You will be full stack senior developer.
• Handle team of junior backend and frontend developer.
• You can and want to write code end-to-end.
• You would enjoy designing a system for speed and scale.
• Developing product using Reactjs for front end and Python for back end.
• We want you to debate on the pros and cons of different architectures and tech stack choices and be real contributing members.
• We want people who can and want to learn new stuff in real-time while on the job.

Skills - JavaScript, React.js, HTML, CSS, SQL with MySQL / PostgreSQL, Python, Django, AWS or Azure or GCP