MERN Stack Developer at Kreon Finnancial Services Limited · Chennai · 5 - 10 years · ₹10L - ₹14L / yr · Raised funding · Posted 19 Feb 2024
Responsibilities:
• Collaborate with cross-functional teams to design, develop, and deliver robust and scalable web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Translate user requirements and wireframes into ecient and responsive front-end components while ensuring high performance and usability.
• Develop and maintain server-side logic using Node.js and Express.js, ensuring smooth integration with the front-end components.
• Design and implement data models, schemas, and queries for MongoDB, and manage database interactions effectively.
• Write reusable, testable, and efficient code following best practices and coding standards.
• Perform unit and integration testing of both front-end and back-end components to ensure reliability and quality of the application.
• Troubleshoot, debug, and resolve issues that arise during development, testing, and deployment phases.
• Stay up-to-date with industry trends and technologies, and proactively suggest improvements to enhance application performance, security, and maintainability.
• Participate in code reviews, provide constructive feedback, and mentor junior developers when necessary.
• Contribute to the continuous improvement of development processes, tools, and methodologies.

About Kreon Finnancial Services Limited
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Job Description: Full Stack Developer
Role Overview
We are seeking a skilled Full Stack Developer with a minimum of 3+ years of hands-on experience in building modern web and mobile applications. The ideal candidate will have strong expertise in React and/or Flutter on the frontend, backed by Java based backend development, and the ability to work across the full software delivery lifecycle.
This role requires a pragmatic engineer who can translate business requirements into scalable, maintainable solutions while collaborating effectively with product, QA, and DevOps teams.
Key Responsibilities
- Design, develop, and maintain full-stack applications with responsive web and/or cross platform mobile interfaces
- Build and optimize frontend components using React and/or Flutter with a focus on performance and usability
- Develop backend services and APIs using Java (Spring / Spring Boot preferred)
- Integrate frontend applications with backend services via RESTful APIs
- Write clean, well structured, and testable code following best practices
- Participate in architecture discussions, code reviews, and technical decision-making
- Debug, troubleshoot, and resolve application issues across the stack
- Collaborate closely with designers, product managers, and other engineers
- Support deployments and work with DevOps pipelines where required
Required Skills & Experience
- Minimum 3 years of professional experience as a Full Stack Developer
- Strong experience with React and/or Flutter
- Solid backend development experience using Java
- Experience building REST APIs and integrating frontend with backend services
- Working knowledge of HTML, CSS, JavaScript, and modern frontend tooling
- Familiarity with relational databases (PostgreSQL/MySQL) and basic query optimization
- Experience with Git and collaborative development workflows
- Understanding of application security, authentication, and authorization concepts
Preferred Skills
- Experience with Spring Boot, Hibernate/JPA
- Exposure to Node.js or Angular
- Experience with cloud platforms (AWS preferred)
- Familiarity with CI/CD pipelines and containerization (Docker)
- Experience building offline capable or mobile first applications
- Prior work in enterprise or product based environments
Soft Skills
- Strong problem solving and analytical abilities
- Good communication skills and ability to work in cross functional teams
- Ownership mindset with attention to code quality and maintainability
- Ability to adapt quickly in a fast paced development environment
Experience Level
- 3+ years of relevant full stack development experience
Educational Qualification
- Bachelor’s degree in Computer Science, Information Technology, or a related field
- A Master’s degree or equivalent exper
Responsibilities
Develop and maintain web and backend components using Python, Node.js, and Zoho tools
Design and implement custom workflows and automations in Zoho
Perform code reviews to maintain quality standards and best practices
Debug and resolve technical issues promptly
Collaborate with teams to gather and analyze requirements for effective solutions
Write clean, maintainable, and well-documented code
Manage and optimize databases to support changing business needs
Contribute individually while mentoring and supporting team members
Adapt quickly to a fast-paced environment and meet expectations within the first month
Leadership Opportunities
Lead and mentor junior developers in the team
Drive projects independently while collaborating with the broader team
Act as a technical liaison between the team and stakeholders to deliver effective solutions
Selection Process
1. HR Screening: Review of qualifications and experience
2. Online Technical Assessment: Test coding and problem-solving skills
3. Technical Interview: Assess expertise in web development, Python, Node.js, APIs, and Zoho
4. Leadership Evaluation: Evaluate team collaboration and leadership abilities
5. Management Interview: Discuss cultural fit and career opportunities
6. Offer Discussion: Finalize compensation and role specifics
Experience Required
5- 7 years of relevant experience as a Software Developer
Proven ability to work as a self-starter and contribute individually
Strong technical and interpersonal skills to support team members effectively
A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3 to 7 years.
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
Role
We are looking for a Senior Software Engineer - Python, React to join our engineering team and help us develop and maintain various software products.
You should be comfortable around 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.
Ultimately, you’ll build highly responsive web applications that align with our business needs.
Responsibilities
- Write effective, scalable code
- Develop front-end and back-end components to improve responsiveness and overall performance
- Integrate user-facing elements into applications
- Test and debug programs
- Improve functionality of existing systems
- Implement security and data protection solutions
- Assess and prioritize feature requests
- Coordinate with internal teams to understand user requirements and provide technical solutions
Qualifications
- BSc/BE/BTech in Computer Science, Engineering or a related field
- Must have 4+ years of work experience as a Python/Django (Back-end) and React (Front-end) developer
- Expertise in Django Framework. Other frameworks like Flask Pyramid knowledge are good to have
- Strong experience with Linux-based infrastructures, Linux/Unix administration, and AWS.
- Proficient in Terraform which allows migration to Kubernetes
- Experience with DevOps toolchains such as Docker, Travis CI, Jenkins, Git.,
- Understanding of fundamental design principles behind a scalable application
- Able to create database schemas that represent and support business processes
- Knowledge of object-relational mapping (ORM)
- Able to implement automated testing platforms and unit tests
- Proficient understanding of code versioning tools (Git)
- React experience is good to have
- Team spirit
- Good problem-solving skills
Bottom-Funnel provides the system and framework that modern marketers need to generate clients from scratch.BOTTOM-FUNNEL is a 360° digital branding and marketing agency that provides a wide spectrum of internet marketing services to enhance the online presence of all kinds of businesses. We offer global solutions of digital marketing and all IT trending technology solutions, communication through classifieds, web portals, social media networks, advertising channels, and search engines. Our digital experts and business consultants help clients by providing only the best digital marketing strategy to develop through innovation and creativity.
Employment Type: Employee - Full Time
Work Location: Jaipur, Rajasthan ( Work From Office Only)
Notice Period : Immediate - 30 Days only
Key Focus area: Mongo DB, Express Js, React Js, Node Js, Vue Js, Next Js
We are looking for an experienced Full Stack Developer with focus on MERN, .NET, ASP. NET, .NET Frameworks, JAVA, Spring, Hibernate, Kafka
Responsibilities:
- Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, Reactjs , Node.js, Typescript and Mongodb
- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- Python or PHP knowledge will be good
- Architect scalable web architectures
- Work in a cross-functional team to deliver a complete user experience
- Create Unit and Integration tests to ensure the quality of code
- Be responsive to change requests and feature requests
- Write code that is cross-platform and cross-device compatible
- Ability to wear many hats and learn new technologies quickly
Qualification and Work Experience
Qualification: B.E./B. Tech/BCA/MCA
Work experience: 2- 8 years
- Minimum 2-8 years of experience in Designs, develops and implementation of web-based Java applications to support business requirements and projects.
- Hands-on experience in Java and J2EE Ecosystem.
- Hands-on experience in Spring boot, Hibernate and/or Struts frameworks.
- Good familiarity with Object-Oriented Programming, Web services, REST, HTTP.
- Strong experience with databases and MySQL.
- Experience in Agile Development/Project Management, DevOps CI/CD process is a big plus.
- 2-6 years minimum in creating complex HTML based solutions
- Detail oriented experience as a Web Developer creating Angular/React/Vue based solutions
- 2-6 years with Node.js and Express js
- Ability to work both independently and in collaborative teams to communicate design and build ideas effectively
- Experience using asynchronous RESTful services (JSON)
- Knowledge and Hands-on experience on ASP.Net, C#, MS SQL Server, Restful, C# 3.5/4.0, MVC
- Desirable Skills: Excellent written and verbal communication skills. Excellent analytical and troubleshooting abilities.
- Solid understanding of best practices in web application development.
- Knowledge and Hands-on experience on Java,
- Exceptional attention to detail and design.
Requirements
- Fluent knowledge of the latest HTML/CSS standards and best practices
- Working knowledge of JavaScript, Typescript, ReactJS and Angular Working knowledge of Node.js and Express js
- Solid Understanding of HTTP protocol and how server-side code is processed on the client
- Understanding the nature of asynchronous programming and its quirks and workarounds Excellent hands-on experience with MongoDB , Mongo aggregation, MySQL, Ability to build REST services, Authentications, MVC applications
- Excellent Object-Oriented Programming skills and ability to write modular, secure, scalable and maintainable code • Experience with Elastic search, Redis.
- Some experience with Photoshop or Sketch is a plus (creating sprites, optimizing, cutting or adjusting images)
- Working knowledge of front end optimization and performance techniques
- Obsession with lean, clean and organized front-end code
- Cross-browser development and troubleshooting
- Experience building Responsive websites for web, tablet and mobile devices
- Eye for details is crucial
- Able to handle multiple projects and competing deadlines
- Good understanding of overall web design including basic usability, accessibility, industry standards, architecture, and navigation
- Passionate about learning new technologies, take pride in code quality and a self-starter.
- Exposure to AngularJS, jQuery is a plus
- Experience of Groovy & Grails is a big plus.
- Exposure to NoSQL databases like MongoDB is a big plus.
- Experience in AWS is a big plus.
Desired Skills:
- Experience with Microservices and DevOps.
Benefits :
- Opportunity to work on highly challenging international projects.
- Opportunity to travel & work with International clients.
- Flexible and friendly work environment
- Great organizational culture, focus on employee's well-being.
- Work-life balance.
- Be part of the best place to work for certified company
Full Stack Developer – Java, Angular
Description
The Position holder is responsible for developing products and services based on Java & Linux systems, functions as a Senior Software developer, and assists in the entire software lifecycle. The position reports to the Project Manager.
Successful Position holders are excellent communicators, enjoy solving problems, and work well in teams.
Roles and Responsibilities
- Responsible for software development.
- Develop and implement micro services (Must-have)
- Documenting low-level design for the assigned development work.
- Help to integrate UI components using Angular with backend micro service.
- Build reusable libraries and code for future use.
- Optimize application for maximum performance and scalability.
- Interface with other teams across SLB to ensure collaboration.
- Build an effective system that adheres to automation and other engineering best practices.
Qualifications and Experience
- Degree and qualification level - B. Tech/B.E. in Engineering with 5-10 years of relevant experience.
- Strong hands on work experience in Design & Development of Responsive Web application
- Must have -> Experience on any cloud services (AWS/Azure/Google Cloud)
- Must have -> At least 5+ Years of experience in building applications using Java/J2EE
- Must have -> Knowledge of document store, Kubernetes, messaging queue
- Must have ->Strong hands on work experience in Design & Development of Responsive Web application
- Experience in Angular JS (2/4/5/6) & JavaScript
- Experienced in working in agile teams
- Knowledge of Agile methodology
- Knowledge of Secure Programming Principles
- Knowledge or Experience in any one scripting language (bash, python)
- Experienced in working in a DevOps model.
Looking for someone who can take care of all the server-related works, their security, can handle code versions through GitHub, handle the server logs, loads with automated tools.
Hassle-free deploying the code on servers with automated scripts. Should have provision to manage the server downtime efficiently during deployment time on production environment. Only privileged candidates can access the code and servers with a restricted IP address.
- Responsibilities
- Serve as a point of cross-functional contact and expertise, providing support to development and QA teams for the build and release process in all environments.
- Provide emergency support for critical issues, research possible cause, and provide solutions.
- Aid DevOps team in the maintenance of existing automated deployment operations as well as the advancement of desired state automated CI-CD Pipelines
- Documents build and deployment process for assigned product and/or tools
- Aid Infrastructure team in the implementation of new resources used by the development, test, and production environments.
- Maintain awareness of best-in-class tools, languages, and practices related to development operations.
- Provides instructions to Infrastructure, Development and Test teams to aid in product development life cycle.
- Participate in discussions regarding new product development and product enhancements.
- 2. Requirements
- Experience working on Linux based infrastructure
- Configuration and managing databases such as MySQL, MongoDB
- Excellent troubleshooting
- Working knowledge of various tools, open-source technologies, and cloud services
- Awareness of critical concepts in DevOps and Agile principles
- Great Experience with public cloud platforms such as AWS, Google Cloud Platform (GCP), or Microsoft Azure.
- Must have implementation experience with TLS/SSL, public private key cryptography, how certificates work, and mutual authentication
- Should have deal with IP addressing, firewalls, open ports, DNS & DHCP
Roles and Responsibilities
You’ll be a great fit for Bizongo if you:
- Strong proficiency in Java and building scalable enterprise applications
- Can think of architectural design at scale
- Love solving complex and challenging problems
- Have good knowledge of design and architectural patterns
- Thrive to implement Industry’s best practices and coding standards
- High obsession for Quality and Performance
- Good knowledge on performance optimization, SQL tuning, caching techniques
- Like to collaborate with people, share knowledge, learn from others and mentor juniors
- Have experience improving performance of frontend and backend applications
- Have worked in product development setup with good agility and hustle
- Having complete ownership of design, development, and implementation of a product which will directly impact the customers
- Figuring out the common process patterns and automating them to drive results faster
- Building architecture, mentoring fellow engineers and delivering features end-to-end
- One of the fastest growing B2B startup in India
- Leveraging Technology to disrupt the unorganized manufacturing and B2B domain
- Work on Artificial Intelligence, Robotic Process Automation, IoT and bring some of the latest technologies in redefining the B2B experience for made to order products
Responsibilities
- Use latest processes and technology in order to build scalable, distributed, and
fault-tolerant site/software systems.
- Research and evaluate new methodologies and technologies that improve the quality,
reliability, and performance of the frontend engineering’s site/software development
systems and processes
- Apply usability principles and procedures and optimize builds. Reuse through
documenting common frontend components that save the business time in executing
future projects.
- Emphasize a consumer-focused approach in building sites/software and works with both
senior and junior frontend teams in determining the prioritization and estimation of new
features and improvements.
Requirements/Qualification
- Minimum 6 years experience in software engineering. At least 3 years of frontend
experience working in React with Redux Framework
- Highly proficient in CSS3, HTML5, Javascript. Also proficient in tools like Bootstrap and
Webpack for building products across multiple screen resolutions and browsers.
- Familiarity with cross-browser compatibility issues and demonstrate design and user
interface/user experience skills.
- Excellent time management, multi-tasking and communication skills












