React.js
NodeJS (Node.js)
Express
PostgreSQLRole Overview
We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.
Key Responsibilities
• Full Stack Development: Build and maintain end-to-end features using the PERN stack
(PostgreSQL, Express.js, React, Node.js).
• Database Optimization: Design complex relational models and optimize SQL queries to
handle high-volume financial data and audit trails.
• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data
encryption) and ensure the platform adheres to fintech standards like PCI-DSS.
• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,
payment processors (Stripe/Plaid), and KYC providers.
Technical Requirements
• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)
and modern CSS (Tailwind/Styled Components).
• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous
programming and secure API design.
• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and
migrations).
Additional skills
• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).
• Familiarity with SOC2 or ISO 27001 compliance frameworks.
• Cloud (AWS): Proven experience with:
- RDS/Aurora for managed databases.
- IAM for secure access management.
- AWS Lambda & API Gateway for serverless architecture.
- CloudWatch for monitoring and alerting.
• Tools: Git, Docker, and experience with CI/CD workflows.
About US
RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.
We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.
Why Work With Us?
1. Build the Foundation, Not Just Features
You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.
2. Solve Problems That Matter
Fintech is one of the few industries where code has a direct, measurable impact on people's lives.
Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.
Shubham Vishwakarma
Full Stack Developer - Averlon
About RJ Fintech Solutions Pvt Ltd
About
Company social profiles
Similar jobs
React.jsJob Title : Senior Full Stack Developer (Dashboard Applications)
Experience : 7+ Years
Location : Gurgaon (Mandatory)
Duration : 6 to 9 Months Contract (Initial 6 Months Commitment Mandatory)
Start Date : 1st April (Immediate Joiners Preferred)
Work Mode : Hybrid (Work From Home + 1 Day/Week at Home Office in Gurgaon)
Work Schedule : 45 Hours/Week + Mandatory Weekend Availability (Saturday & Sunday)
About the Role :
We are hiring a highly skilled Full Stack Developer based out of Gurgaon to work directly with the leadership team of a Cybersecurity Product Company.
This role focuses on building advanced, high-performance dashboard applications to significantly enhance the company’s product capabilities.
This is a high-ownership, high-impact role, where the selected candidate will work closely with the founder/leadership and contribute directly to core product innovation.
Mandatory Skills :
React + TypeScript, Dashboard/Data Visualization (ECharts/D3.js), Node.js (Fastify), Kafka (real-time streaming), ClickHouse, PostgreSQL, Redis, Microservices Architecture, Performance Optimization, Gurgaon-based candidate with 7+ years experience.
Important Note (Strict Requirements) :
- Candidate must be based in Gurgaon (No remote-only candidates)
- Must be comfortable working on weekends (Sat & Sun)
- Must commit to minimum 6 months
- Must be available for in-person collaboration (1 day/week at home office)
- No compromise on the above requirements
Key Responsibilities :
- Design and develop scalable, real-time dashboard applications
- Build data visualization systems using modern frontend frameworks
- Work on end-to-end full stack development (UI to backend APIs)
- Integrate large-scale data pipelines and streaming systems
- Optimize dashboards for performance, usability, and responsiveness
- Collaborate directly with leadership to translate business needs into technical solutions
- Contribute to architecture decisions and system design
Required Technical Skills :
Frontend :
- React.js (18+)
- TypeScript
- TailwindCSS
- State Management (Zustand / TanStack Query)
- Data Visualization:
- Apache ECharts
- D3.js
- Leaflet.js (Maps)
Backend :
- Node.js (20 LTS)
- Fastify (preferred)
- REST API Development
- Prisma ORM
Data & Streaming :
- Apache Kafka / KafkaJS
- Apache Flink (or Kafka Streams)
Databases :
- ClickHouse (must have for analytics use cases)
- PostgreSQL
- Redis
Good to Have :
- Graph DB (Neo4j)
- Object Storage (MinIO)
Machine Learning (Nice to Have) :
- Python (FastAPI)
- Basic experience with:
- scikit-learn
- pandas / numpy
- Understanding of anomaly detection systems
DevOps & Infrastructure :
- Docker & Kubernetes
- Terraform
- Nginx
- Monitoring: Prometheus, Grafana
- Observability: OpenTelemetry
- Authentication: Keycloak / JWT
Testing & Quality :
- Unit & Integration Testing:
- Vitest / Jest
- Supertest
- E2E Testing:
- Playwright
- Performance Testing:
- k6
What We’re Looking For :
- Strong experience in building complex dashboards or analytics platforms
- Ability to work independently as a single contributor
- High ownership and accountability mindset
- Strong problem-solving and system design skills
- Someone who is practical, execution-focused, and reliable
Why Join :
- Direct collaboration with leadership
- Opportunity to build cutting-edge cybersecurity dashboards
- High-impact role with end-to-end ownership
- Flexible work setup (with meaningful in-person collaboration)
PHP
LaravelReact.js
Angular (2+)Role Summary
We are looking for a seasoned Full Stack Developer with strong backend expertise in PHP (Laravel/Symfony) and modern frontend experience using React (Vue.js or Angular exposure is a plus). The ideal candidate should possess a full-stack mindset with experience in building scalable REST APIs and interactive UI applications.
Key Responsibilities
- End-to-end feature development (Backend + Frontend)
- Design and develop scalable, secure, and maintainable applications
- Build and optimize REST APIs and reusable UI components
- Participate in technical design discussions and code reviews
- Mentor junior developers and ensure coding best practices
- Collaborate with QA, DevOps, and Architects
- Focus on performance tuning and security enhancements
Must-Have Skills
- Strong hands-on experience in PHP (Laravel/Symfony)
- Experience building and consuming REST APIs
- Expertise in React.js (Vue.js/Angular acceptable)
- Strong knowledge of JavaScript/TypeScript
- Solid understanding of HTML5, CSS3
- Experience with scalable and maintainable application architecture
Nice-to-Have Skills
- Full-stack exposure with Node.js
- Experience with MongoDB / NoSQL databases
- Familiarity with Docker, CI/CD pipelines, Cloud platforms
- Knowledge of HCM and Payroll domain
Java
Spring Boot
jQueryAngular (2+)React.jsJob Title: Full Stack/ Frontend Developer
Location: Chennai, India
Duration: Full-Time
Position Overview
We are seeking an experienced and motivated Full Stack/ Frontend Developer to join our innovative team. If you are passionate about coding, problem-solving, and building intuitive user interfaces, we would love to hear from you! In this role, you’ll work closely with back-end developers and UX/UI designers to deliver exceptional web applications for the higher education sector.
Key Responsibilities
● Develop and maintain interactive, responsive, and user-friendly front-end applications using Java, JavaScript, and modern frameworks.
● Collaborate with back-end developers to integrate front-end functionality with back-end services.
● Work closely with UX/UI designers to ensure user interfaces are visually appealing, functional, and consistent.
● Participate in code reviews and uphold high-quality coding standards. ● Troubleshoot and resolve front-end issues and optimize performance. ● Stay up-to-date with the latest trends in front-end development.
Required Skills & Experience
● 4+ years of experience in Java-based front-end development.
● Strong experience with HTML, CSS, JavaScript, and front-end frameworks. ● Hands-on experience with Spring, Hibernate, Thymeleaf, Velocity, jQuery, and Java.
● Familiarity with RESTful APIs and front-end integration practices.
● Experience in responsive design and cross-browser compatibility.
● Strong problem-solving skills and attention to detail.
● Ability to collaborate effectively in a team environment with strong communication skills. Preferred Skills
● Experience with modern JavaScript frameworks (React, jQuery plugins, DataTables, etc.).
● Familiarity with version control systems like Git.
● Knowledge of Agile development methodologies.
● Prior experience in higher education technology or education-related software.
Note: Experience with Thymeleaf and Velocity is good to have. Tapestry can be ignored as it is legacy.
Vue.js
AngularJS (1.x)Angular (2+)React.js
JavascriptAbout CodersBrain
CodersBrain is a leading consultancy firm that offers offshore development services to clients all over the world. They provide end-to-end digital and business solutions that partner with clients to simplify, strengthen, and transform their businesses. They have extensive experience working with enterprises, software companies, SMEs, and startups.
Position Overview
Job Title: Java FS Developer with React
Experience: 3 to 9 Years
Location: Hyderabad / Bangalore / Chennai
Notice Period: Immediate to 15 Days
Required Skills and Experience
- Java Full Stack Developer with 3-9 years of experience
- Strong experience with Java 8 and strings
- Hands-on experience in React JS
I
AngularJS (1.x)Angular (2+)React.jsNodeJS (Node.js)
MongoDBJob Title : Senior MERN Stack Developer with Blockchain Expertise
Location : Indore, MP
Experience : 2-5 years
Job Type : Full-time, On-site
We're seeking a seasoned Senior MERN Stack Developer with a strong focus on blockchain technology to join our innovative team in Indore. As a Senior MERN Stack Developer, you'll play a pivotal role in crafting and implementing cutting-edge blockchain solutions using the MERN stack. Your expertise will contribute to the development of secure, scalable, and decentralized applications. If you're passionate about blockchain technology, possess extensive MERN stack experience, and thrive in a collaborative environment, we encourage you to apply and be a key player in our transformative projects.
Requirements :
- Proven experience as a Full Stack Developer with a specialization in blockchain technology.
- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).
- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.
- Solid understanding of smart contract development and implementation.
- Knowledge of decentralized application (dApp) development.
- Familiarity with cryptography and principles of blockchain security.
- Strong problem-solving and analytical skills.
- Excellent collaboration and communication skills.
Skills :
- MongoDB, Express, Node.js, React.js
- Next.js (knowledge preferred but not mandatory)
- WordPress/Shopify experience (preferred)
- Real-time communication using Socket.IO or WebRTC (preferred)
- GraphQL API development
- Experience with integrating payment gateways
If you're ready to take on exciting challenges and contribute to groundbreaking projects, apply now and join us in shaping the future of blockchain technology.
PythonJavascript
Django
Flask• As a member of the architecture team, become deeply familiar with the product goals, and provide thought leadership on the technical aspects of realizing the product goals
• Contribute to the SDLC best practices, modeled after contemporary industry standards, and ensure the practices are diligently followed
• Provide technical mentorship to the technical team
• Encourage automation in various aspects of software development such as code reviews, unit tests, continuous integration, system testing. Identify appropriate tools, and create best practices around automation
• Participate in requirement gathering, analysis, designing proofs of concepts
• Team up with various stakeholders in aiding project planning, estimation, execution, and production support
• Identify the most appropriate platforms, frameworks, and third-party components to meet the product requirements
• Define and own the interfaces, such as services and APIs between product components
• Perform code walkthroughs, reviews. Promote code-reuse. Identify opportunities for refactoring code, and ensure code is modular and extensible
• Ensure adequate coverage of functional and non-functional requirements in test plans
• Provide guidance on production support/bug-fixing issues. Own the technical resolution of high-priority fixes
Technical Skills:
• 5+ years of hands-on experience with Python and Python-based frameworks such as Django, Flask, and web2py, etc.
• 3+ years of hands-on experience with front-end technologies such as HTML5, CSS3, Javascript, AJAX, REACT, etc.
• 1+ years of experience in building multi-tenant web applications using AWS or other cloud PaaS providers.
• Understanding of fundamental design principles for building a scalable web application and integration using RESTful APIs and JSON data
• Deep familiarity with n-tier and MVC patterns
• Strong unit testing and debugging skills
• Familiarity with CI tools such as Jenkins
Process & Tools:
• Experience in working with code versioning tools
• Experience in development organizations following Agile methodologies like SCRUM
• Experience in AGILE project management tools such as JIRA
Who are we looking for?
• Should be comfortable working in a team-oriented, fast-paced, collaborative environment
• Willingness to take on ownership and responsibility
• Resourceful, confident under pressure, ability to communicate with folks with varied experience and backgrounds
• Aptitude for problem-solving and analytical skills
Work Experience: 5-8 years of hands-on experience
React.jsAngularJS (1.x)Angular (2+)NodeJS (Node.js)Vue.jsType, Location
Full Time @ Anywhere in India
Desired Experience
3+ years
What You’ll Do
- Taking an active role in architecting the solutions we build
- Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
- Working closely with the dispersed development team, client, and project manager in SCRUM methodology
- Ensuring that programming practices and code quality are respected
- Supporting other engineers with your expertise when needed (knowledge sharing)
- Leading your colleagues’ growth and development
What you bring to the table
- 2+ years Experience with React. Good to have working knowledge of React Native, Angular, VueJS
- Strong expertise with HTML, CSS, and writing cross-browser compatible code.
- Good understanding of AJAX and JavaScript DOM manipulation Techniques
- Experience with RESTful services
- Experience in JavaScript build tools like grunt or gulp
- Hands on and implements complex React modules
- Able to implement automated testing platforms and unit tests
- Understanding of fundamental design principles behind a scalable application
- Proficient understanding of code versioning tools (Git)
- Critical thinker and problem-solving skills
Bonus if you…
- Experience with Angular2+ and Node
- Experience with AWS or GCP infrastructure
- Curiosity about new languages, libraries, frameworks
- Contributions to open-source projects
Who are you?
- Passionate about making an impact
- Self-driven & eager to learn new technologies
- Intellectually curious, interested to build complex systems
- Thrive in a highly independent, remote-first environment
- Keen to work with a globally diverse team
What you can expect from us
- Hybrid Work Option - Step out when you “want to” not when you “have to”
- Work from the comfort of your home or work at the office
- Support for setting up Home-office
- Flexible Work Hours -Work-life balance becomes a lot easier to maintain with the flexibility to plan your work hours
- Flexible Leave policies
- Life needs a break - casual, parental, sick, or just random. To help you enjoy your leaves without guilt or excuses, we have a ‘no approval needed’ policy
- Health and Wellness - Constant encouragement to stay fit
- We encourage and support our team members to participate in memberships that promote team member health (physical, emotional, and psychological) and fitness
- Reimbursements for medical support
- Career ladder: the freedom to design your own path
- Well defined career ladders to grow, assess and explore your professional journey
- Learning opportunities
- In house learning platforms to partner with you in your growth story
- Wide range of courses and certifications
NextJs (Next.js)
SASSNodeJS (Node.js)Express
.NET
Machine Learning (ML)- The Application Developer will be responsible for developing custom solutions specializing in C# and NET technologies to support the overall enterprise application initiatives Guides team members in
- Adhere to NET framework for automation projects to ensure manageability and maintainability of ode base
- 7+ years of work experience in developing Business IT Applications, Digital technologies, and Platform implementation
- Practical experience of developing machine learning systems
- Strong software skills in Python/R/C#
- Experience in using machine learning frameworks and libraries such as TensorFlow a plus
- Lead and work with ML engineers and data scientists to build smart automation & ML applications
- Strong software troubleshooting skills, and an understanding of programming constructs in C# NET, in a MS Windows based enterprise software environment
- Lead and work with ML engineers and data scientists to build smart commerce services & ML applications
- Identify what kind of data in which format should be collected in order to solve the problem
- Strong understanding of programming concepts and a programming background with C# NET
- Strong understanding of Process Design documents, Technical Design documents and BPMN 20 standards
- Strong understanding of web technologies, HTML, CSS, JavaScript, xml, xaml
- Strong understanding of relational database design, writing queries and stored procedures with MySQL or Microsoft SQL
- Strong understanding of Object Oriented Analysis and Development within large enterprise level applications
React.js
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon