We are looking for aSenior Full Stack Developerwith strong expertise inJavaScript/TypeScriptand hands-on experience acrossmodern frontend and backend technologies. The ideal candidate should be comfortable building scalable, high-performance web applications and collaborating closely with product, design, and engineering teams.
Key Responsibilities
- Design, develop, and maintainscalable full-stack web applications.
- Build responsive and performantfrontend applications using React.js.
- Develop and maintainbackend services using Node.js and Express.js.
- Design and optimizeSQL and NoSQL databasesto ensure data integrity and performance.
- Build, consume, and documentRESTful APIs(GraphQL exposure is a plus).
- Write clean, maintainable, and testable code following best practices.
- Participate incode reviews, branching strategies, and release processes.
- Collaborate with cross-functional teams to translate requirements into technical solutions.
- Ensure application performance, security, and scalability.
- Contribute to CI/CD pipelines and deployment processes.
Required Technical Skills
- Strong experience withJavaScript and TypeScript.
- Expertise inReact.js, includingHooks, Context API, and state management (Redux / Zustand preferred).
- Solid backend development experience withNode.js and Express.js.
- Hands-on experience with either:
- PostgreSQL(PERN stack)
- MongoDB(MERN stack)
- Strong understanding ofSQL and NoSQL database design principles.
- Experience in building and consumingREST APIs.
- Basic knowledge ofGraphQLis a plus.
- Familiarity withORMs/ODMssuch asSequelize, Prisma, or Mongoose.
- Proficiency withGit, branching strategies, and code review practices.
- Understanding ofDocker,CI/CD pipelines, and cloud platforms (AWS).
Nice to Have
- Experience working withNext.js.
- Exposure tomicroservices architecture.
- Knowledge ofmessage queuessuch asKafka or RabbitMQ.
- Experience building or maintaininghigh-scale or multi-tenant systems.
Soft Skills
- Strong problem-solving and analytical skills.
- Good communication and collaboration abilities.
- Ability to take ownership and work independently.
- Adaptable and eager to learn new technologies.

About Sigma Infosolutions
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About US:-
We turn customer challenges into growth opportunities. Material is a global strategy partner to the world’s most recognizable brands and innovative companies. Our people around the globe thrive by helping organizations design and deliver rewarding customer experiences.
We use deep human insights, design innovation and data to create experiences powered by modern technology. Our approaches speed engagement and growth for the companies we work with and transform relationships between businesses and the people they serve.
Srijan, a Material company, is a renowned global digital engineering firm with a reputation for solving complex technology problems using their deep technology expertise and leveraging strategic partnerships with top-tier technology partners. Be a part of an Awesome Tribe
Job Description: Full Stack Developer
Experience:- 4-6 years of Experience
Employment:- Fixed Term Employment (Renewable)
Duration:- 1 year
Key Responsibilities:-
- Develop and maintain front-end and back-end components of our applications, ensuring a seamless, intuitive user experience.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Utilize strong expertise in React for front-end development, including proficiency in the Document Object Model (DOM), JSON/JSON schemas, and API integration.
- Apply back-end development skills using golang , Python (Fast API, Flask, Pandas, NumPy) or NodeJS, focusing on API development and data access patterns.
- Implement and maintain NoSQL databases, particularly MongoDB, understanding usage patterns and trade-offs over relational databases.
- Leverage clinical, R&D domain experience to contribute to innovative solutions.
- Employ tools like Postman for API testing and debugging and participate in the design and deployment of CI/CD pipelines.
- Ensure code quality, organization, and automatization by adhering to best practices in coding standards and documentation.
Qualifications:-
- 5+ years of hands-on experience as a Full Stack Developer. We are okay to assess lead Senior/lead profiles as long as they are capable of individually contributing to the project.
- Strong knowledge of front-end languages and libraries (e.g., HTML/CSS, JavaScript, XML, jQuery).
- Experience with back-end languages (e.g., Python, Node.js) and JavaScript frameworks (e.g., React, Angular).
- Familiarity with database technology such as NoSQL (MongoDB) and image processing.
- Experience with cloud services (AWS PaaS & Serverless), API Gateway, Lambda, Fargate, ECS.
- Understanding of general CI/CD principles and AWS-based Cloudformation/CDK.
- Good to have: Experience in the clinical or R&D domain, including any imaging experience (even at PoC level).
What We Offer
- Professional Development and Mentorship.
- Hybrid work mode with remote friendly workplace. (6 times in a row Great Place To Work Certified).
- Health and Family Insurance.
- 40+ Leaves per year along with maternity & paternity leaves.
- Wellness, meditation and Counselling sessions.
Job Title: Full Stack Developer – Perpetual Trading
Location: Remote
Experience: 3+ Years
Employment Type: Full-Time
About the Company
We are a next-generation cryptocurrency exchange focused on building innovative and secure trading experiences for digital assets and derivatives. With a strong emphasis on perpetual trading and real-time market execution, we aim to redefine how traders interact with crypto markets — combining transparency, performance, and user-centric design.
Role Overview
We are seeking a Full Stack Developer experienced in perpetual trading platforms and Web3 ecosystems. The ideal candidate should have hands-on experience working with both frontend (React/Next.js) and backend (Node.js/Nest.js) systems and integrating decentralized perpetual trading APIs such as GMX, Hyperliquid, or similar. You will build end-to-end high-performance trading modules, ensuring low-latency execution, real-time data sync, and seamless user interaction.
Key Responsibilities
- Design, develop, and maintain full-stack trading modules and dashboards for perpetual and derivatives trading.
- Integrate decentralized perpetual trading APIs (GMX, Hyperliquid, Drift, etc.) and Web3 wallets (MetaMask, WalletConnect).
- Implement real-time order books, market data feeds, and trade execution flows using REST and WebSocket APIs.
- Build scalable backend services using Node.js / Nest.js / Express and connect them to the frontend.
- Manage database operations for user data, trade history, and performance analytics.
- Collaborate with UI/UX, blockchain, and DevOps teams to deliver high-performance trading experiences.
- Optimize both frontend and backend for speed, security, and low latency.
- Write clean, maintainable, and modular code following modern development practices and standards.
Required Skills & Experience
- 3+ years of experience as a Full Stack Developer, preferably in crypto, DeFi, or trading platforms.
- Strong proficiency in React.js / Next.js, Node.js / Nest.js / Express, and TypeScript / JavaScript (ES6+).
- Proven experience integrating perpetual trading or DeFi APIs (GMX, Hyperliquid, Drift, etc.).
- Experience with WebSockets for live order books and trade updates.
- Understanding of Perpetual Trading, Futures, and DeFi trading mechanics.
- Hands-on experience with Web3 libraries (ethers.js, web3.js) for wallet and smart contract integration.
- Strong understanding of RESTful APIs, microservices, and database management (PostgreSQL, MongoDB, or similar).
- Familiarity with security best practices, API rate limiting, and user authentication (JWT/OAuth).
About the job
About Reflektive's Engineering Team
We are seeking a Senior Software Engineer, Front End to help scale Reflektive to being the market leader for employee performance management. The main question to be answered: Can you help a
company scale?
Reflektive has major initiatives to tackle in the next year. Initiatives range from internal scaling, security, engagement, new verticals, pervasive technologies, research and development, data and
analytics, and customer tools. Reflektive’s Senior Software Engineer will contribute in their area of specialization. S/he will help us solve complex design challenges and mature our platform to handle
increasing traffic and scale.
You'll join a lean, prolific team where everyone, including you, is active in the product-defining and development process (where deploying new features every 2 weeks is common). You'll know the
customers we're talking to, and the needs of each one. As a result, you know where your initiative and drive can best make a difference (and be recognized!)
Our engineering team consists of developers from a wide array of backgrounds. Our team primarily focuses on Rails and Javascript, but is always ready to use the best tool for the job when it makes
sense. Following Scrum practices, we work closely with the Product Management team to develop features that focus on empowering and developing employees. Our team is a tight knit, friendly
group of engineers that are dedicated to learning from and teaching to each other. Team members regularly contribute to and optimize our engineering practices and processes. Our team wants to
make software engineering fun, easy, and fulfilling, so we've come up with a set of values that we
apply to our software every day: Simple, Flexible, Consistent, Predictable, Efficient, and Pragmatic.
Responsibilities
● Depending on your specialization, projects/initiatives may include: Security, scaling distributed systems, working on our core services related to user management, building out new verticals, guiding new engagement features, scaling traffic/imports/exports,
and managing APIs.
● Work extremely cross-functionally across Engineering and Product Management.
● Deliverable: (30 days) Own a feature; possibly being paired with another engineer. (60days) Own and drive a new initiative. (90 days) Bring that initiative to production.
Desired Skills and Experience
- Expert proficiency in Java/Kotlin, Kafka/Pulsar, SQL, Docker and kubernetes.
- Overall 4+ years of experience as Java full stack developer using any modern frameworks.
- Strong knowledge on Data structure and Algorithm knowledge
- Previous experience working in ReactJS/AngularJS (2+ years)
- Knowledge of Analytics and LookerML would be added plus.
- Exposure to cloud environment AWS.
- Knowledge of unit testing frameworks including Junit.
- Startup experience is strongly desired.
- You learn quickly, you’re adaptable and versatile.
- Experience in an Agile and Scrum environment.
About Reflektive
Forward-thinking organizations use Reflektive’s people management platform to drive employee performance and development with Real-Time Feedback, Recognition, Check-Ins, Goal Management,
Performance Reviews, 1-on-1 Profiles, and Analytics. Reflektive’s more than 500 customers include Blue Origin, Comcast, Instacart, Dollar Shave Club, Healthgrades, Wavemaker Global, and Protective
Life. Backed by Andreessen Horowitz, Lightspeed Venture Partners, and TPG Growth, Reflektive has raised more than $100 million to date, and was ranked the 13th Fastest Growing Company in North
America on Deloitte’s 2018 Technology Fast 500TM.
We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status,
veteran status, or disability status.
ONLY APPLY IF:
- Experience required: 3+ years
- Immediate joiners are needed
- Work location: Hyderabad, Telangana (currently work from home)
- Salary: INR 12LPA - 19LPA (negotiable as per your experience and expertise)
Job Responsibilities:
- Building interactive consumer data from multiple systems and RESTfully abstracting to the UI through a Node.js backend
- Define code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Address and improve any technical issues
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant, and efficient systems
- In-depth knowledge of #NodeJS, #ExpressJS or #Restify
- Experience implementing applications using Angular 2or React
- Experience creating front end applications using HTML5, Angular, LESS/SASS
- Hands-on experience with JavaScript Development on both client and server-side
- Experience with modern frameworks and design patterns, minimum one-year experience with #MEAN Fullstack paradigm
- Setting up reusable UI and tooling & best practices for the dev team.
- Identify bottlenecks and improve the application performance.

Bachelor’s degree in Computer Science, Electronics, or related field; Master’s degree or equivalent
experience desired
• Minimum 3 years software engineering experience
• Proficiency in one or more of the following programming languages (Python / Java / Scala / C / C++ /
Objective-C / Swift)
• Strong working knowledge of web application frameworks – node.js. Experience deploying and maintaining
cloud-based web applications (Azure preferred)
• Experience with data persistence and manipulation (sql, nosql, Splunk, etc.)
• Hands-on Test-Driven Development experience and able to author Unit, Integration and Functional Tests
• SOLID OO-skills. Must demonstrate strong familiarity of design patterns
• Shall be familiar with Agile Processes – Scrum or Kanba
Experience: 3+ Years
Job Location: Nagpur
Required Skills:
-3+ years total of experience in SDLC
-Should have a strong knowledge of Node JS, Vue JS, Javascript.
-Experience in Version Control Systems like GIT, Bitbucket.
Proven Skills with HTML5, CSS, MySQL and Postgres database etc.
-Ability to complete all phases of the software development life cycle.
-Should have a working knowledge of using the latest development tools and techniques.
-Basic knowledge of front end UI design preferred.
-Must have good problem solving and analytical skills.
-Must be a team player, having good communication skills, self-starter
-The ability to pick up new technology is needed.
Nice to have:
-.Netcore, MVC & SQL Server
-Amazon s3 basic knowledge and digital ocean basic knowledge
We have openings for MERN Stack Developer.
Job Description : We are looking for developers with a minimum of 4 years of experience as MERN Stack Developer
Locations : Bangalore/Mumbai/Hyderabad/Kolkata/Delhi
Skills :
- Should have work experience in a MERN Stack Developer
- Experience on NodeJS, ExpressJS, or Restify, ReactJS.
- Experience creating front end applications using HTML, CSS.
- Hands-on experience with JavaScript Development on both client and server-side
- Experience with modern frameworks and design patterns, minimum one-year experience with MERN Full-stack paradigm
- Knowledge of the following will be considered as an advantage :
1. Creating secure RESTful-based web services in XML and JSON, JavaScript, JQuery
2. Continuous integration (Jenkins/Hudson) and version control (SVN, Git) o Also have Onsite opportunity.
Having and Hands on experience in the particular Domain.
– JavaScript, jQuery, Angular, React/Redux, Backbone
– RSpec, Capybara, Factory Girl
– Resque, Sidekiq
– Elasticsearch, Sphinx
– Deploy with Capistrano, Mina or Heroku
– Chef, Amazon Web Services
– PostgreSQL, MongoDB, Redis, Memcached
– Active Admin
– Spree, LocomotiveCMS
– REST API
– Coffescript, HAML, SASS, LESS
- 2+ years of software development experience
- Experience designing, implementing and using web services in a Microservice Architecture
- Experience and a good understanding of Node.JS
- Experience in working with any JavaScript frameworks (React, Ember, Knockout, etc.)
- Familiar with relational & non-relational databases such as Postgres, Oracle, SQL Server, MySQL, Dynamo
- Familiar with CI (Continuous Integration) and CD (Continuous Delivery)
- Nice to have - Experience with AWS
- Nice to have - Experience working in an agile development process
- See the inherent challenges in all things; if a task is complicated, you simplify it; if it is simple, you excel at it; if it is mundane, you automate it
- Be a problem solver; be given any problem and will come back with solutions, or at least alternatives
- Be a perfectionist; you are not satisfied until your code is rock solid
- Be pragmatic; you implement the best solution for the problem, not the coolest solution, and can tell the difference
- See the big picture; we write software to solve real business problems










