Fullstack Developer

About the Role :

We are looking for a skilled and strong expertise in Vue.js and EJB/Spring Boot to join our growing team. The ideal candidate should have hands-on experience building scalable, high-performance web applications and APIs, with a keen eye for performance, security, and maintainability. You will work closely with product managers, designers, and other developers to design, develop, and deploy innovative solutions for modern web applications.

Key Responsibilities :

- Develop, test, and maintain frontend applications using Vue.js .

- Design and implement backend services and RESTful APIs using Jersey Client EJB or Spring Boot.

- Integrate frontend and backend services ensuring seamless data flow and optimized performance.

- Work with relational and/or NoSQL databases, ensuring efficient query design and schema modeling.

- Implement secure authentication/authorization flows (JWT, OAuth2, etc.).

- Optimize application performance for speed, responsiveness, and SEO.

- Write clean, maintainable, and well-documented code with proper unit/integration tests.

- Collaborate with cross-functional teams for requirement gathering, technical design, and solution delivery.

- Stay up to date with latest technologies in Vue ecosystem, Java EJB, Jersey Client / Spring Boot, cloud deployment, and DevOps practices.

- Contribute to code reviews, technical documentation, and team knowledge sharing.

Required Skills & Qualifications :

- Strong expertise in Vue.js (Composition API, Vuex/Pinia, Vue Router).

- Hands-on experience with EJB and Jersey Client / Spring Boot for building scalable and secure backend APIs.

- Strong understanding of REST API design, microservices architecture, and best practices.

- Proficiency in JavaScript/TypeScript, HTML5, CSS3, Tailwind/Bootstrap.

- Experience with relational databases (MySQL/PostgreSQL) and ORM tools (JPA/Hibernate).

- Caching : Redis

- DevOps Tools : CI/CD with GitLab CI, Jenkins (optional)

- Version Control : GitLab, SVN

- Others : Postman, Swagger/OpenAPI, Maven/Gradle

- Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Good to Have) :

- Experience with GraphQL, WebSockets, or gRPC.

- Knowledge of ElasticSearch, Redis, or Kafka.

- Familiarity with Headless CMS integrations.

- Exposure to Agile/Scrum methodology.

- Familiarity with Docker, CI/CD pipelines, Git, and cloud deployment (AWS/GCP/Azure).

- Knowledge of security best practices (XSS, CSRF, CORS, API security).

Job Title: Node.js / AI Engineer

Department: Technology

Location: Remote

Company: Mercer Talent Enterprise

Company Overview:Mercer Talent Enterprise is a leading provider of talent management solutions, dedicated to helping organizations optimize their workforce. We foster a collaborative and innovative work environment where our team members can thrive and contribute to our mission of enhancing talent strategies for our clients.

Position Overview:We are looking for a skilled Node.js / AI Engineer to join our Lighthouse Tech Team. This role is focused on application development, where you will be responsible for designing, developing, and deploying intelligent, AI-powered applications. You will leverage your expertise in Node.js and modern AI technologies to build sophisticated systems that feature Large Language Models (LLMs), AI Agents, and Retrieval-Augmented Generation (RAG) pipelines.

Key Responsibilities:

• Develop and maintain robust and scalable backend services and APIs using Node.js.
• Design, build, and integrate AI-powered features into our core applications.
• Implement and optimize Retrieval-Augmented Generation (RAG) systems to ensure accurate and context-aware responses.
• Develop and orchestrate autonomous AI agents to automate complex tasks and workflows.
• Work with third-party LLM APIs (like OpenAI, Anthropic, etc.) and open-source models, fine-tuning and adapting them for specific use cases.
• Collaborate with product managers and developers to define application requirements and deliver high-quality, AI-driven solutions.
• Ensure the performance, quality, and responsiveness of AI-powered applications.

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of professional experience in backend application development with a strong focus on Node.js.
• 2+ years of hands-on experience in AI-related development, including building applications that integrate with Large Language Models (LLMs).
• Demonstrable experience developing AI agents and implementing RAG patterns.
• Familiarity with AI/ML frameworks and libraries relevant to application development (e.g., LangChain, LlamaIndex).
• Experience with vector databases (e.g., Pinecone, Chroma, Weaviate) is a plus.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities.

Benefits:

• Competitive salary and performance-based bonuses.
• Professional development opportunities.

About Vyapar:

We are a technology and innovation company in the fintech space, delivering business accounting software to Micro, Small & Medium Enterprises (MSMEs). With more than 5 Million users across 140 countries, we are one of the fastest growing companies in this space. We take the complexity out of invoicing, inventory management & accounting, making it so simple, such that small businesses can spend less time on manual bookkeeping and spend more time focusing on areas of business that matter.

Role Summary:

Vyapar's Engineering team builds the technology platform that eases and digitizes our customers' bookkeeping and enables the transition of cumbersome accounting data from general bookkeeping to a digitized always available resource.

The Javascript engineer will be responsible for the developing features in Vyapar application. Strong understanding of HTML, CSS, JavaScript, Responsive design, JQuery, React, database etc. concepts is critical

Key Responsibilities:

• Translate designs and wireframes into high-quality code.
• Design, build and maintain high performance, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Use of complex algorithm to build the business requirements.
• Help maintain code quality, organization, and automatization.
• Ability to understand business requirements and translate them into technical requirements

Desired Skills And Requirements

Must have

• Strong JavaScript
• HTML, CSS 
• React/Angular/JQuery/Vue
• Problem-solving skills, and Data Structures.
• Strong knowledge of SQL database or RDBMS.

Good to have

• Familiarity with RESTful APIs to connect applications to back-end services.
• Strong knowledge of Web UI design principles, patterns, and best practices.
• Experience with offline storage and performance tuning.
• Experience and understanding of database concepts and sql queries.
• Familiarity with cloud message APIs and push notifications.
• Familiarity with continuous integration.
• A knack for benchmarking and optimization.

Experience:

• Minimum 4 years of experience in JavaScript
• Minimum 3 years of experience in HTML, CSS
• Minimum 3 years of experience in SQL/ RDBMS.

Education:

• A full-time B.E/ B.Tech Degree from a recognized university.

1) Core PHP: Yes/No(Mandatory)

2) JavaScript and JQuery: Yes/No(Mandatory)

3) Ajax: Yes/No

4) Curl: Yes/No

Github will be an added advantage

MYSQL: 

Stored Procedures: Yes/No

Indexes: Added advantage

Triggers: Added advantage

• Design implement and support highly scalable applications and web services using Microsoft technologies (ASP.NET, C#, MVC, WCF, SQL Server, Windows Forms, Web API/Rest API)
• Candidates should have the ability to train and work along with development teams to ensure timelines and quality deliveries.
• Lead project estimations, system architecture and performance engineering of projects
• Support software engineers on the team with guidance, experience, oversight, advice and code reviews
• Work with the quality assurance team to ensure that the software is fully unit tested, can be performance tested, and passes quality requirements

Desired Candidate Profile – 

• Candidate needs to have more than 5+ years of experience with IT industry.
• Minimum 5+ years’ experience in designing and developing applications on the .NET platform.
• More than 1+ year of experience with MVC, WCF framework is needed.
• Minimum 1 year of experience in React or Angular or JQuery, HTML, CSS
• Experience in web application Architecture and Development with hands on expertise in delivering solutions based on/customizing ASP.Net 4.0 / MVC and above.
• Expert-level knowledge of SQL Server programming.
• Strong understanding of OOPS fundamentals, Entity Framework, LINQ and REST APIs.
• Good knowledge of SQL Server Reporting Services and Crystal Reports.
• Proficient understanding of code versioning tools (TFS/SVN/Git).
• Proficient understanding of build/release management processes.
• Must have experience of working in Agile/Scrum environment.
• Must have some experience developing Windows-based applications.
• Must possess very good logical, analytical and communication skills.
• Candidates with knowledge of US Mortgage process will be given preference.
• Must be willing to travel abroad for short- and long-term duration.
• Shift timing 11 am- 8 pm, 6 pm- 3 am, 4 pm- 1 am (Candidate needs flexibility for all shift as per client requirements).

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

Ideal skills:

1) 2-5 years of professional JavaScript development experience

2) Understanding of asynchronous programming and its quirks and workarounds

3) Comfortable working through the entire stack from the user interface through systems levels

4) Understanding accessibility and security compliance

5) Strong Logical and Analytical Skills

6) Experience in consuming web services (REST) and processing data (JSON)

7) Experience with SQLite, NoSQL, Redis or other databases

8) Proven experience in building API services using NodeJS Express and related frameworks

9) Good understanding of NodeJS asynchronous runtime

10) Good understanding of JS concepts on callbacks and closures

11) Experience in debugging issues related to memory leaks

12) Experience in building highly scalable and high throughput services with sub-second response times

13) Experience with ElasticSearch/Solr

14) Experience working in a collaborative team environment

15) Ability to understand and analyse issues across multiple vendors and interfaces

16) Experience with NoSQL queries

17) Experience with AWS

18) Experience with Android Development

19) Experience in managing/mentoring small teams

In depth knowledge of all of the above is not mandatory but the nature of the work will involve learning and getting involved with all of the above. You would be working directly with key members of the management team to define and drive technical strategy.

Experience in the mobile space is mandatory. Please only apply if you have been part of building a mobile product. Since our product is mobile only, it is essential that you understand implications on the front end.

Job Description :

• In-depth understanding of the entire web development process (design, development and deployment)
• Experience building complex web application.
• Hands on experience with programming stacks like MEAN, MERN, LAMP
• Participate in software/product development from ideation to deployment and beyond.
• Should have good knowledge on build tools like Maven, NPM, NODEJS.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers; awareness of cross-browser compatibility issues and client-side performance considerations
• Should have a good understanding of database concepts.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Familiarity with code versioning tools (such as Git, VSTS)
• Working knowledge of Agile/SCRUM development methodologies and best practices.
• Ability to understand business requirements and translate them into technical requirements
• Working on Cloud[AWS/Azure] based environment is a huge plus
• Recommending new policies, approaches, and procedures.

Responsibilities :

• Ability to work with project delivery goal as mindset.
• Use advanced modelling tools & techniques to build full stack applications.
• Strong understanding on how to document and create a functional plan for complex project.
• Knowledge of creating Information Architecture, Server Architecture & State-flow diagram to better understand complex project.
• Ability to take risks, strive for learning & implementing new practice with maintaining project deliverables.
• Be seen as a leader for a group of engineers working to quickly design, prototype and build new features per requirement.
• Strong ability to handle a naive team & able to get the required output delivered.
• Build scalable/reusable code and libraries for future use.
• Interact with other team leads and departments to accomplish a project requirement.