MERN Stack Developer

Job Description – Fullstack Software Engineer (Java + JavaScript Framework) (3–5 Years Experience)

We are looking for a hands-on Fullstack Software Engineer (3–5 years experience) who can develop, maintain, and enhance both backend services and frontend applications in a cloud-native, microservices-based environment using Java (Spring Boot) and a modern JavaScript framework (Vue.js, React.js, or Angular). The role requires strong programming fundamentals, experience with modern frameworks, and the ability to work independently on assigned tasks within an agile product engineering setup.

1. Core Technical Skills (Must-Have)

A. Backend Development (Java)

• 3–5 years of hands-on experience in Java backend development

• Proficient in: o Java 8+ (Java 17 or Java 21 preferred)

o Spring Boot framework o REST API development o Spring Data JPA / Hibernate

B. Frontend Development (JavaScript)

• Strong experience in JavaScript (ES6+)

• Proficient in: o Vue.js or React.js or Angular o HTML5, CSS3, responsive design principles

C. Component-Based Architecture

• Building reusable, modular components

• Props, events, lifecycle hooks

• Routing and navigation

• State management (Pinia, Redux, NgRx, or equivalent)

D. API Integration

• Building and consuming RESTful microservices

• Handling asynchronous calls with Axios or Fetch

• Error handling and loading states

E. Build Tools & Packaging

• Experience with: o Vite or Webpack o NPM/Yarn o Gradle

• Basic understanding of bundling, code splitting, and performance optimization

F. Cloud & DevOps Awareness

• Basic deployment and debugging on any cloud platform (AWS/Azure/GCP)

• CI/CD tools such as GitHub Actions, GitLab CI, or Jenkins

• Basic Docker usage (build, run, logs)

G. Databases & Storage

• Strong experience with relational databases: PostgreSQL or MySQL

• Good understanding of: o Writing SQL queries o Index usage o Joins, transactions

• Exposure to Redis or NoSQL DBs is a plus

2. Engineering Best Practices (Mandatory)

• Write clean, maintainable, well-structured code Internal

• Use OOP and SOLID principles

• Mandatory experience with: o JUnit / Mockito for backend unit testing o Jest (or equivalent) for frontend unit testing o Code reviews (as reviewer and reviewee) o Git workflows

• Understanding of: o Logging and monitoring basics o Error handling & exception design o API security basics (JWT/OAuth2 awareness) o Frontend security (XSS prevention, CSRF awareness)

3. UI/UX Awareness

• Ability to implement pixel-perfect designs from Figma or similar tools

• Understanding of responsive layouts and cross-browser compatibility

• Basic knowledge of usability principles

4. Performance, Reliability & Security

Performance

• Backend: DB queries, caching, pagination

• Frontend: DOM rendering, state updates, lazy loading

• Familiarity with browser performance tools Security

• Secure coding practices: o Input sanitization Internal o Avoiding SQL injection o Secure API communication o Preventing XSS and CSRF vulnerabilities

5. Domain Knowledge (Not Required, but Good to Have)

• Supply Chain Management

• Logistics

• Inventory or warehouse systems If the domain is unfamiliar, the engineer must be able to learn quickly with guidance.

6. Soft Skills & Collaboration

Expectations

• Clear communication and ability to explain technical decisions

• Ability to estimate tasks and deliver within timelines

• Proactiveness in asking questions when needed

• Ability to work in Agile teams (Scrum/Kanban)

• Regular participation in: o Grooming o Stand-ups o Sprint reviews o Retrospectives

7. Expected Deliverables

1. Backend APIs built using Java & Spring Boot

2. Frontend components and pages built using Vue.js, React.js, or Angular

3. Code adhering to project standards & guidelines

4. Unit tests for all major components (frontend & backend)

5. Bug fixes, enhancements, and production support as needed

6. Accurate status updates and timely delivery in sprints

7. Clear documentation for services, APIs, and UI components

8. Experience Requirement

• Overall Experience: 3–5 years

• Should have worked as: o Fullstack Engineer o Java Developer + Frontend Developer o Software Engineer (Fullstack)

9. Good-to-Have Certifications (Not mandatory)

• Oracle Java Certification

• Vue.js / React.js / Angular Certification

• JavaScript Specialist Certification

• AWS Cloud Practitioner

About the Company:

Pace Wisdom Solutions is a deep-tech Product engineering and consulting firm. We have offices in San Francisco, Bengaluru, and Singapore. We specialize in designing and developing bespoke software solutions that cater to solving niche business problems.

We engage with our clients at various stages:

• Right from the idea stage to scope out business requirements.

• Design & architect the right solution and define tangible milestones.

• Setup dedicated and on-demand tech teams for agile delivery.

• Take accountability for successful deployments to ensure efficient go-to-market Implementations.

Pace Wisdom has been working with Fortune 500 Enterprises and growth-stage startups/SMEs since 2012. We also work as an extended Tech team and at times we have played the role of a Virtual CTO too. We believe in building lasting relationships and providing value-add every time and going beyond business.

Roles & Responsibilities

• You will be a key member in building modern web application platforms.
• Building user interfaces for management products
• Creating wireframes, prototypes based on the requirements.
• Building api for UI backend.
• Provide assistance in the up-gradation and maintenance of web applications.

Job Requirements

• 3 to 5 years of web development experience is required.
• Hands-on experience with api and microservice development.
• Proficiency with fundamental front-end languages such as JavaScript, HTML, CSS.
• Proficiency with JavaScript frameworks such as ReactJs.
• Proficiency with server-side languages such as NodeJs, Java, GoLang, etc.
• Exposure to wireframing and prototyping.
• Familiarity with database technology such as MongoDB.
• Good to have:
  1. Experience in UX design.
  2. Working experience on Linux environments.
  3. Working experience on Docker and Kubernetes.
  4. Working experience in microservices.
  5. Knowledge of the networking domain.

Backend Developer/Full Stack Developer Job Description - We are looking for developers who can convert complex business problems into tech deliverables, build scalable systems and work in a fast-paced environment.

Responsibilities:

Building scalable and robust applications.

Building and maintaining reusable code for future use.

Actively participate in code reviews.

Troubleshooting and debugging.

Following predefined design guidelines.

Timely delivery of tasks

Proficient and fast in implementing required processes across teams.

Innovative and open to trying/learning new things to improve the system or processes.

Skills required

Proven experience as a Full Stack Developer/Backend Developer

Experience with large-scale architectural patterns, event-driven microservices, well-designed APIs, and efficient algorithms.

Knowledge of at least 1 Object Oriented Programming language (e. g. Node.js, Python)

Knowledge of at least 1 Relational database and familiarity with NoSQL databases.

Problem-solving skills.

Excellent communication and teamwork skills.

Git/BitBucket

Optional skills -

React/React Native

Docker

Terraform

CI/CD

AWS

Web technologies

Must haves - Javascript, Object Oriented Programming, Git

You will collaborate with a multidisciplinary engineering team to develop various

applications for the Additive Manufacturing process chain.

• You will be required to research and implement advanced algorithms and mathematical

models.

• You will optimize CPU performance and memory usage of applications.

• You will be involved in the design of the software architecture.

• You should be self-motivated and have strategic thinking abilities.

• The working environment and architecture primarily consists of C++ geometry processing

and simulation libraries, coupled with visualization frameworks

Writing and Documenting High-Quality Code for Additive Manufacturing applications

• Developing Algorithms for Performance Improvements

• Bug Fixing and Regression Testing

• Developing Test Cases

• Designing, Developing and Implementing Geometry Processing Libraries

• Leading a Team of Junior Software Engineers and Developers (This ability will be a plus)

• Good Understanding of OOPs Concepts, Design Patterns

• Hands-On Experience in Developing Applications for The Geometry Domain

• Math Proficiency - Linear Algebra, Numerical Analysis, Computational Geometry

• Ability to Work with A Multi-Disciplinary Team of Engineers.

• Technologies (Some combination of these will be suitable)

o Strong C++, C# Skills

o Python

o OpenGL, WPF

o C#.Net, ASP.NET

o JavaScript, React, Node.js

o GPGPU, CUDA

o Full-stack cloud development

o Familiarity with Azure Dev Ops

Responsibilities:

● Work with development teams and product managers to ideate software solutions.

● Design user-side and server-side architecture.

● Build the front-end of applications through appealing visual design.

● Develop and manage well-functioning databases and applications on MYSQL.

● Write effective APIs.

● Test software to ensure responsiveness and efficiency.

● Troubleshoot, debug and upgrade software.

● Create security and data protection settings.

● Build features and applications with a mobile responsive design.

● Write technical documentation.

Requirements:

● Proven experience as a Full Stack Developer or similar role.

● Experience developing web and mobile applications. ● Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript).

● Knowledge of back-end language(Node.js) and JavaScript frameworks (Angular, React, Vue but preferably React).

● Familiarity with MySQL databases, web servers (e.g. Apache) and UI/UX design.

● Excellent communication and teamwork skills.

● Great attention to detail Organizational skills. The knowledge of following, will fetch you brownie points during interviews:

● Ruby on Rails.

● Familiarity with AWS.

● Familiarity with Docker

ROLE: Full Stack Developer

About the company:

CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform  to implement 3A (Automation, Analytics and AI) at scale. 

Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/

Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).

Qualification & Experience:

• BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.
• +2 years experience as a Software Developer.
• Hands on experience in developing finance applications is must

Roles & Responsibilities:

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. 

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Write technical documentation
• Excellent communication and teamwork skills

Technical Skills:

Must Have

• React JS
• Git / Bitbucket, 
• Express JS, Python, HTML, CSS, Node JS
• CI/CD like CircleCI
• Postgres or any DB knowledge
• Familiarity with AWS  or Azure or both 

Good to Have

• Docker
• Redux
• Android development
• React Native
• Electron
• GraphQL
• Jira

What’s in for you:

● An opportunity to lead a business segment

● Extensive liaising with customers and partners

● A rewarding career progression

Preferred Location:

Delhi NCR

Candidate should ideally be a B.E/B.Tech graduate with 2 to 5 years of real-time experience.

Expertise in React.js, C#, ADO.Net, Web API, MS SQL Server 2008 and above, JavaScript, jQuery, JSON, AJAX and XML

Looking for Full stack .NET Developer who will work closely with Project Manager, Software Developers and QA Team to develop cutting edge web-based solutions in a Product Development Environment. The job involves working with some of the latest technologies including React.js, WCF, REST services, jQuery and AJAX.

Should be experienced with Agile methodology and working with Agile development teams. 

Ability to work within a team and work independently

Experience with the full SDLC, including design, development, testing, deployment, and documentation activities

Excellent object-oriented design and development skills

Excellent communication skills

Experience working on a CRM product or a Marketing Automation or Analytics tool or Digital Publishing is a major advantage

Experience with Microsoft Design patterns and Microsoft Enterprise Library

Skills:

Strong working experience into C#, ADO.Net, MS SQL Server 2008 and above versions, JavaScript, jQuery, WCF, REST based services and AJAX

Development experience with data integration technologies including Web API, REST, SOAP, JSON and XML

Strong working knowledge with JavaScript frameworks such as jQuery, React, Angular

Strong working knowledge of debugging for rapid development; experience with development tools such as Firebug, Fiddler

Strong understanding of cross-browser compatibility, with support for IE, Firefox, Chrome, Safari on Windows and Safari, Firefox, Chrome on MAC

Strong HTML and JavaScript (AJAX, DOM)

Strong written and verbal communications skills

TFS/VSTS/SVN and any source management experience like Git, AWS CodeCommit etc.

Working knowledge in Node.js, React.js, and Twitter bootstrap framework is an advantage

Knowledge of CI/CD process and cloud platforms like AWS would be an added advantage.

About Us:

Mirabel Technologies is the world's leader in media management software for the publishing industry with over 15,000 websites, magazines, and newspapers in 20 different countries who use Mirabel Products. This dynamic technology company is based in the booming seaside city of Fort Lauderdale, two blocks from beautiful Las Olas Boulevard and is known for its creative entrepreneurial environment and high employee retention levels. Mirabel recently launched Mirabel's Marketing Manager, a cutting-edge marketing technology startup product that focuses on email marketing, lead identification, customer relationship management, prospecting and data appending tools. The company is looking for dynamic employees who want to join a growing company in an exciting industry.

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
• An agile - welcome change, do as little 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

• Analyze 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 a 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 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 a 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