python developer

Location: Mumbai (Onsite)

Experience: 4–6 Years

Salary: ₹75,000 – ₹1,200,000 per month (depending on experience & skill set)

Employment Type: Full-time

Job Description

We are looking for a skilled React Developer to join our team in Mumbai. The ideal candidate should have strong hands-on experience in building modern, responsive web applications using React and be comfortable working with at least one backend technology such as Python, Node.js, or PHP.

Key Responsibilities

• Develop and maintain user-friendly web applications using React.js
• Convert UI/UX designs into high-quality, reusable components
• Work with REST APIs and integrate frontend with backend services
• Collaborate with backend developers (Python / Node.js / PHP)
• Optimize applications for performance, scalability, and responsiveness
• Manage application state using Redux / Context API / similar
• Write clean, maintainable, and well-documented code
• Participate in code reviews and sprint planning
• Debug and resolve frontend and integration issues
• Ensure cross-browser and cross-device compatibility

Required Skills & Qualifications

• 6–8 years of experience in frontend development
• Strong expertise in React.js
• Proficiency in JavaScript (ES6+)
• Experience with HTML5, CSS3, Responsive Design
• Hands-on experience with RESTful APIs
• Working knowledge of at least one backend technology:
• Python (Django / Flask / FastAPI) OR
• Node.js (Express / NestJS) OR
• PHP (Laravel preferred)
• Familiarity with Git / version control systems
• Understanding of component-based architecture
• Experience working in Linux environments

Good to Have (Preferred Skills)

• Experience with Next.js
• Knowledge of TypeScript
• Familiarity with Redux / React Query
• Basic understanding of databases (MySQL / MongoDB)
• Experience with CI/CD pipelines
• Exposure to AWS or cloud platforms
• Experience working in Agile/Scrum teams

What We Offer

• Competitive salary based on experience and skills
• Onsite role with a collaborative team in Mumbai
• Opportunity to work on modern tech stack and real-world projects
• Career growth and learning opportunities

Interested candidates can share their resumes at

Job Type: Full-time

Application Question(s):

• If selected, how soon can you join?
• Are you okay with the salary slab (50,000-90,000) , depending upon your experience?
• Have you worked on a production React application where you integrated REST APIs and handled authentication and error scenarios with a backend (Python / Node.js / PHP)?

Experience:

• Total: 5 years (Required)
• Python: 5 years (Required)

Location:

• Mumbai, Maharashtra (Required)

Work Location: In person

About Us:

At Tradelab Technologies Pvt Ltd, we don’t just build web applications, we create highperformance trading platforms tailored for brokers and financial institutions. Our platforms powerreal-time market analysis, ultra-low-latency trade execution, and seamless broker-client interactions. We work in a high-stakes, outcome-driven environment where brokers demand reliability, speed, and security. If you're an expert React developer who thrives on solving complex front-end engineering challenges in the brokerage and trading domain, this is the role for you.

 Min 2 years of mobile development experience, with 1+ years in Flutter & Dart.

 Proven ability to build and scale real-time, high-performance fintech applications.

 A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.

 Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).

 Hands-on experience with real-time data streaming, push notifications, and WebSockets.

 Strong expertise in security, encryption, and compliance—you know fintech demands precision.

 A track record of integrating RESTful APIs, GraphQL, and third-party services into flawless mobile apps.

 A mindset that thrives under pressure—we work fast, and we expect results.

 Lead the development of world-class fintech mobile applications that redefine user expectations.

 Architect and optimize blazing-fast, low-latency Flutter applications for financial markets.

 Work with designers, backend engineers, and product teams to craft seamless, intuitive, and ultra secure user experiences.

 Solve hard problems at scale—whether it’s optimizing performance, reducing load times, or ensuring

absolute security.

 Push the boundaries of mobile fintech innovation, from AI-powered insights to predictive analytics.

 Own your work end-to-end—no excuses, no hand-holding, just results.

What You Will Do:Must-Have Skills:

 Min 2 years of mobile development experience, with 2+ years in Flutter & Dart.

 Proven ability to build and scale real-time, high-performance fintech applications.

 A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.

 Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).

 Hands-on experience with real-time data streaming, push notifications, and WebSockets.

Nice-to-Have Skills:

 Experience in high-frequency trading, stock markets, or financial data visualization.

 Contributionsto open-source Flutter projects or a portfolio of high-impact applications.

 Knowledge of AI-driven UX, machine learning integrations, or automation in mobile apps.

 A background in mentoring developers, leading mobile teams, or setting architectural standards.

Why Join Us?

 Work with some of the sharpest minds in fintech and mobile engineering.

 Build products that traders, investors, and financial professionals rely on daily.

 A culture that values bold innovation, fast execution, and pushing boundaries.

 Expect challenges, high expectations, and relentless pursuit of excellence.

 Take complete ownership—from ideation to deployment, every pixel and every line of code should

scream excellence.

 Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of fintech mobile applications.

If you’re obsessed with performance, thrive under pressure, and are driven by results, we want you on our team. This is your chance to solve some of the toughest engineering challenges in

fintech. Step up. Apply now.

Full Stack senior developer with ReactJS & Redux

• Node js with Express framework

• Knowledge of HTML, CSS and Javascript with React JS
• Experience with MongoDB
• Knowledge of RESTful APIs.
• Experience with web paradigms such as REST, Responsive Web Design etc.
• Experience with CI/CD tooling (at least Git and Jenkins)
• Good understanding of code versioning tools, such as GIT
• Good to know Agile/Scrum/Kanban

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

• Understand fundamental design principles and best practices for developing backend servers and web applications  Gather requirements, scope functionality, estimate and translate those requirements into solutions.  
• Implement and integrate software features as per requirements. 
•  Deliver across the entire app life cycle.
•   Work in a product creation project and/or technology project with implementation or integration responsibilities, Improve an existing code base, if required, and ability to read source code to understand data flow and origin
• Design effective data storage for the task at hand and know how to optimize query performance along the way.  
• Follow an agile methodology of development and delivery  
• Strictly adhere to coding standards and internal practices; must be able to conduct review code  Mentor and possibly lead junior developers  
• Contribute towards innovation  Performance optimization of apps 
•  Explain technologies and solutions to technical and non-technical stakeholders  
• Diagnose bugs and other issues in products  
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Must have / Good to have:

• 4+ years experience with Core Python development  Design and implementation of high-availability, and performant applications on Unix environment  
• Good with multithreading and data structures  
• Develop back-end components to improve responsiveness and overall performance  
• Familiarity with database design, integration wiht applications and python packaging.  Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations  
• Familiarity with functional testing and deployment automation frameworks  
• Experience in development for 3-4 production ready application using Python as programming language  
• Experience in writing unit test cases including positive and negative test cases 
•  Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity) 
•  Experience with Agile and DevOps methodology 
•  Very good problem-solving skills  
• Experience with Web technologies is a plus  
• Experience with ELK stack is a plus.

Route to Smile is a patient-centric, tech-oriented brand in the Healthcare space.

With a team of experts and a mission to continuously innovate, Route to Smile is revolutionizing the Healthcare industry by providing customized solutions to facilitate accurate and precise clinical outcomes and patient-specific care with a focus on technological service delivery.

As a part of their latest offerings, Route to Smile is leveraging leading technologies including IoT, Industry 4.0 and AI/ML to further enable healthcare professionals to improve patient engagement and drive overall practice growth.

We are looking for an enthusiastic and motivated individual who is willing to work in Java technologies, with experience on front-end languages and libraries (e.g. Angular, HTML/ CSS, JavaScript, XML, jQuery, Vue.js, React) and its related back-end languages (e.g. Java) and frameworks (e.g. Spring boot, Node.js, Spring MVC, Hibernate, Struts, etc.) and who are also willing to work in challenging environment.

The candidate will be an integral member of a team that will employ the latest techniques and best practices in software development and utilize best-in-class tools and frameworks to build a first-of-their-kind cloud-agnostic, enterprise-class large-scale SaaS application.

• Responsible for building the architecture, key components, and middleware of the platform and developing fully multi-tenant systems
• Develop workflow management functions
• Develop REST APIs, as well as contribute to the overall API framework
• Implement solutions using iterative processes, Agile development methodologies and test-driven development
• Being a senior developer, you will also be required to lead a team of junior developers.

• 5 to 9 years of development experience with Java and related front-end and back-end technologies, and experience working in a distributed systems environment.
• Extensive experience in developing full stack end-to-end scalable and distributed applications.
• Experience in SaaS Application architecture & design and working with database modeling and design concepts. Understanding of database design and maintenance and experience with SQLite, PostgreSQL, and MySQL.
• Experience with developing loosely coupled design, Micro-services development, message queues, and customized application deployment using RESTful services, implementing REST APIs with Spring or JAX-RS.
• Working knowledge of either Spring boot, Spring MVC, Hibernate, Struts Framework, building REST based Web Services using Java EE Standards
• Have experience in single sign-on, multi-factor authentication and security background.
• Knowledge of Business Process Model and Notation (BPMN 2.0) workflow engines such as Activiti, jBPM, Orchestra, and Flowable, however not mandatory.

• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design.
• Good understanding of HTML5, CSS3, JavaScript.
• Good familiarity with Linux operating system, managing Linux servers and using AWS (EC2, S3).
• Familiarity with administering, automating, and deploying to cloud-based environments such as AWS, Google Cloud Platform, or Azure, or working experience with Kubernetes.
• Should have used GIT.
• Understanding of search technologies such as Solr, ElasticSearch, and Lucene
• Have working knowledge in CI/CD pipelines (Concourse/Jenkins), and at times wear multiple hats to double up as Dev Ops
• Experience being part of product teams and in handling integrations, good at communication and teamwork skills.
• Strong emphasis on quality and the ability to deliver quickly and consistently.
• Self-driven and motivated to work with cutting edge technology.

• 5 years experience with the Django framework
• Experience with building APIs (REST or GraphQL) 
• Strong Troubleshooting and debugging skills
• React.js knowledge would be an added bonus 
• Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
• Sound knowledge of object-oriented design and analysis.
• A strong passion for writing simple, clean and efficient code.
• Proficient understanding of code versioning tools Git.

Experience:

• Min 5 year experience
• Startup experience is a must. 

Location:

• Remote developer

Timings:

• 40 hours a week but with 4 hours a day overlapping with client timezone.  Typically clients are in California PST Timezone.

Position:

• Full time/Direct
• We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
• We dont believe in locking in people with large notice periods.  You will stay here because you love the company.  We have only a 15 days notice period.

Responsibilities

1. Collaborate with teammates to define, design, and shape new features.

2. Design and develop backend API microservices using Node.js.

3. Design and develop applications in an AWS and GCP environment.

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

5. Write reusable, testable, and efficient code.

6. Troubleshoot, debug, and upgrade the software.

Requirements

1. Solid experience in Node.js.

2. Good experience using frameworks such as Express.JS or Restify.

3. Willing to learn HapiJS.

4. Hands-on experience with JavaScript Development.

5. Able to work independently and carry out a task to achieve the design goal with minimal supervision.

6. Good programming skills and communications.