Java developer

Project Overview

We’re building Express AI, a SaaS platform that allows small and medium-sized businesses (SMBs) to easily train and deploy their own dedicated AI agents for customer service, technical support, sales, and more.

Our vision is to give SMBs the power of enterprise-grade AI without complexity. You’ll help build the core platform that powers this – including agent training interfaces, web deployment, dashboards, and integrations.

Key Responsibilities

• Develop scalable full-stack features using modern JavaScript frameworks

• Build and maintain AI agent training modules (upload docs, FAQs, tone settings)

• Integrate OpenAI, Whisper, LangChain, and other LLM APIs

• Implement user-facing dashboards for chat/voices/social/email agent monitoring

• Design multi-tenant systems with admin-level controls

• Ensure reliability and scalability of the platform as we grow

Tech Stack

• Frontend: React.js, Next.js, TypeScript

• Backend: Node.js, Express, MongoDB (or Postgres), Redis

• AI & NLP: OpenAI API (ChatGPT, Whisper), LangChain, Python (optional)

• DevOps: Docker, AWS or GCP (basic familiarity okay)

• Other: WebSockets for real-time chat, REST APIs, Git

Role Type

• Full Stack Developer (preferred)

• Frontend or Backend specialists also considered, but must be willing to collaborate on both sides

Experience Level

• 3 to 6 years of professional experience

• Previous work with SaaS platforms, AI tools, or multi-tenant architecture is a big plus

Must-Have Skills

• Proficiency in JavaScript/TypeScript

• Strong experience with React.js and Node.js

• Experience working with REST APIs and building secure web apps

• Solid understanding of cloud deployment (AWS/GCP/Firebase)

• Ability to work independently, self-manage, and deliver in a fast-paced environment

Nice-to-Have Skills

• Familiarity with LangChain, OpenAI, AI agent frameworks

• Experience with voice/chat integration

• Prior experience building tools for SMBs or customer support systems

Engagement Type

• Full-time (preferred) or part-time with clear weekly availability

• Remote (India-based candidates only)

Why Join Us?

• Work on a cutting-edge AI platform solving real problems for real businesses

• Fast-moving, no-red-tape team environment

• Build something that will impact millions of small businesses globally

Job Title: Senior Full Stack Developer

Employment Type: Full-time

Years of Experience: 4-7 years

Number of Positions: 3

Education: B. Tech, B.E, MSc-IT, MCA degree or equivalent

Work Location: Hyderabad

Mode of Work: Work From Office

Notice Period: Immediate (within 15 days)

On-site Feasibility: Yes

Interview Rounds:

- L1 - HRBP (Virtual Screening)

- L2 - Tech Lead (Virtual)

- L3 - Sr Tech Lead/CEO (Virtual)

- L4 - Managerial Round (CTO) (Virtual)

Interview Panel Availability: Preferably Weekends or after 6 pm weekdays

Working Hours: 11:30 am to 8:30 pm (Monday - Friday)

Hiring for: Product/Client

Role Reporting to: Tech Lead

Required Skills:

- 4+ years of development experience in .NET.

- Proficiency in JavaScript or TypeScript.

- Proficiency in C#, .NET, .NET Core, Entity Framework.

- Solid understanding of software development principles (SOLID).

- Expert in Azure/AWS.

- Understanding of Design Patterns.

- Excellent communication skills.

Good to Have:

- Knowledge of SQL databases.

- Certification in Azure/AWS.

- Strong knowledge of Vue.js.

- 2+ years of development experience in Vue.js or Angular (Version 10 and above) framework.

Roles & Responsibilities:

- Develop new applications including Web APIs, Webjobs, Functions, etc.

- Develop front-end applications using Micro Frontend Architecture.

- Write Unit Tests and Integration Tests to ensure software quality.

- Troubleshoot and debug applications.

- Mentor and train other team members.

- Maintain application performance by identifying and resolving production and development issues, installing updates and patches, and conducting maintenance tasks.

- Provide support for applications by developing utilities, addressing inquiries, and resolving issues.

- Stay updated with the latest technologies and trends by participating in educational opportunities and obtaining relevant certifications.

- Contribute to the achievement of organizational goals by completing assigned tasks and projects effectively.

Employee Benefits:

- Health Insurance (covering spouse and 2 children)

- Provident Fund (PF)

Stipend: INR. 5,000 to INR. 15,000 per month + Performance Bonus + Goodies for Elites

We are looking for skilled Full Stack Developer interns who can oversee the complete software development road cycle at Spacenos and work on building amazing products.

• Experience with JavaScript and ReactJs framework.
• Experience with NodeJs, Firebase and Firestore Functions.
• Candidates should have the ability to pick up new technologies quickly
• Knowledge of code versioning tools (such as Git, Mercurial, or SVN)

1. Creating and converting high-fidelity designs into code.
2. Assist with creating cross-platform UI Web components
3. Build responsive applications using front-end frameworks
4. Create Backend services for the UI and test with edge cases.

5. Test components using new technologies

Spacenos is the fastest-growing start-up which is innovating in the finance, edtech and marketing domain since 2015 and won multiple awards and recognitions from more than 40+ MNCs and Fortune 500 companies. Our Clients are based out of the U.S.A and Australia. We are funded & Supported by Government of Karnataka, Angel Investors and International Grants.

1. Apply for your CV and past work to be reviewed.
2. Receive a telephonic interview or assessment upon filling the final step form.
3. Receive offer letter if selected.

Apply soon, the earliest applicant would be preferred over the late applicants.

POSITION - MERN Full stack Developer" & MERN FULL STACK TECHNICAL LEAD

EXP: 4-10YRS 

Location: Noida,  WORK FROM OFFICE

NP: IMMEDIATE JOINED/15 DAYS

• In-depth knowledge of NodeJS, ExpressJS
• REST API Services Development with Node.js
• Front-end Application design and Development with React, 
• HTML / CSS/JavaScript
• Database Knowledge with MongoDB
• Design and Development of Dynamic web apps
  
  

Roles and Responsibilities :

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.

Desired Candidate Profile :

HTML/CSS. While HTML stands for Hypertext Markup Language, CSS stands for Cascading Style Sheets. ...

JavaScript. ...

Git and GitHub. ...

Backend languages. ...

Web architecture. ...

HTTP and REST. ...

Database storage. ...

Basic design skills.

Familiar with nodejs, reactjs, angularjs, expressjs etc......

RESPONSIBILITIES:

Program daily in Node.JS, Angular2+/React JS, Express, Bootstrap, MongoDB and others.

Build web-based and mobile-first front-end GUIs to support workflows.

Integrate with REST APIs and relational databases.

Build out new features and iterate on existing features.

Design and implement low-latency, high-availability and performant applications.

Help define architectures and design patterns.

Participate in code reviews.

Must have experience in Deployment

SKILLS AND EXPERIENCE:

Real world web and service development experience.

Deep Experience with modern frameworks such as Node.JS, Angular2+/ React , Express & MongoDB.

Experience with server-side languages like Jade, EJS, etc

Experience with HTML5 & CSS3 frameworks such as bootstrap.

Experience with web services API integration (Rest, JSON, XML).

Experience in anyone one these Docker, Kubernates, AWS, Azure