
- Bachelor’s degree in Computer Science, Engineering, or related field.
- 3-5 years of professional experience in web development with a strong focus on JavaScript stack technologies.
- Proven experience in integrating blockchain technology into web applications, with a deep understanding of blockchain protocols, smart contracts, and decentralized applications (dApps).
- Proficiency in multisignature, multiparty computation and 3rd party Node provider integration
- Experience with public blockchain platforms such as Bitcoin, Ethereum, etc.
- Solid understanding of RESTful APIs and web services.
- Strong problem-solving skills and the ability to troubleshoot complex issues.
- Excellent communication and collaboration skills.
- Ability to thrive in a fast-paced, agile environment and adapt to changing priorities.
- Experience with continuous integration and deployment (CI/CD) pipelines is a plus.
- Experience in setting up Bitcoin core, and Geth node is a plus

About KoinBX
About
KoinBX is India's most trusted and fastest-growing crypto exchange, dedicated to providing a secure, compliant, and user-friendly platform for crypto enthusiasts and traders across India. As the most trusted and fastest-growing crypto exchange, KoinBX is your gateway to the future of finance, with a user-centric approach, advanced security measures, and an extensive array of cryptos. Our vision is to be the cornerstone of a future where every individual, regardless of background, discovers and harnesses the boundless opportunities of digital assets. KoinBX opens the doors to a future where digital assets play a transformative role in shaping the financial landscape. Our mission is to empower traders by offering a secure and trusted crypto trading platform that is easily accessible to all. We promise to be the gateway ushering in a future of limitless financial possibilities in the realm of digital assets. We provide advanced tools and confidence to navigate the Indian crypto market. We are proud to be 100% compliant with Indian regulations, safeguarding users' funds through robust security measures, including advanced encryption techniques and multi-factor authentication. With over 120 listed cryptos and 150+ active trading pairs, including cryptos like Bitcoin, Ethereum, and Ripple, we provide a comprehensive platform with an intuitive interface, real-time portfolio tracking, and timely price alerts for informed trading decisions. At KoinBX, we offer a wide suite of features designed to meet the diverse needs of both beginner and experienced traders. From instant KYC authentication to low trading fees and high liquidity, our platform is equipped with everything you need to trade cryptos. Join the 5 million+ strong crypto community on KoinBX and begin your crypto journey today. Whether you're a seasoned trader or just getting started, KoinBX is your trusted partner for all your cryptocurrency trading needs.
Candid answers by the company
KoinBX is your gateway to the future of finance, with a user-centric approach, advanced security measures, and an extensive array of cryptos.
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1) Be open to learn new frameworks like Hapi.JS , Typescript , Nest.JS
2) Strong DB concepts , and hands on knowledge on MongoDB , REDIS
3) Experience working with micro-services will be a plus
4) Experience working with JWT and IAM systems will be a plus
5) Experience working with Postman , Swagger will be a plus
6) TDD knowledge is an advantage and also working with Unit Test code and familiar with test code coverage concepts.
7) Strong operating system knowledge is a plus with knowledge of how to manage threads.
8) Working experience with RabbitMQ , Kafka will be a plus
9) Strong knowledge of JS internals is a must.
Job Description:
We are looking for a self-starter/ Back End Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)
Key Responsibilities:
Hands-on experience in different technologies and languages such as JavaScript, NodeJS, MongoDB, Express JS, MySQL, REST API, Web Services/REST/JSON, MVC Framework to develop Web /mobile applications. Participating in the design and creation of scalable software. Writing clean, functional code on the back-end. Testing and fixing bugs or other coding issues
Position Type: Full-Time
Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.
Experience: 3+ years of hands-on experience in Backend
Reports to: Development Manager
Roles & Responsibilities:
- 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
- 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
- Work with data scientists and analysts to improve software
- Excellent scoping and estimation skills
Skills and Responsibilities:
- Proven experience as a Backend Developer or similar role
- 4+ years of hands-on software engineering experience in Node.js and Typescript
(Including Express, Feathers.js, and/or Nunjucks)
- Strong understanding of node modules, npm, nodemon.
- Strong understanding of production systems and Cloud deployments, especially in AWS
- Good understanding of test frameworks like Chai, Mocha, and Sinon
- Good understanding of javascript concepts like Promises and Async-Await
- Deep understanding of mobile backend infrastructure including service-oriented or
microservice architecture.
- Strong experience using a client-side MVC framework such as NodeJS, NextJS, Redux.Good experience working on Backend.
- Ensure the technical feasibility of UI/UX designs.
- Experience with filesystems, server architectures, and performance tuning
- Building reusable code and libraries for future use
- Experience in a relational database and version control tools and integration of third.
- Maintain existing code base including troubleshooting of issues and fixing bugs.
- Experience developing desktop and mobile applications
- Developing and implementing highly responsive user interface components using react
- Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
- Top-notch programming skills and write code for robust software design.
- Experience in responsive design, cross-browser compatibility, and website performance.
- Knowledge of performance testing frameworks including Mocha and Jest
- Aggressive problem diagnosis and creative problem-solving skills.
- Good understanding of how browsers and DOM work.
- Experience with handling Services, RESTful, APIs.
- Excellent communication and teamwork skills
- Great attention to detail and organizational skills
- An analytical mind and problem-solving skills.
- F&B (Food and Beverages) domain experience is a plus.
- Monitoring and improving front-end performance
- A passion for new consumer technology and the emerging media landscape
- F&B (Food and Beverages) domain experience is a plus.
- Keywords skill sets:- Node Js, Express Framework, Feathers Js, JavaScript, PHP, MVC Framework, REST API, Web Services/REST/JSON, MySQL, MongoDB, AWS
Responsibilities:
- Must have hands-on working experience in NodeJS with Typescript
- Must have experience of large size product development process
- Must have detailed knowledge of designing and developing performant REST APIs
- Must have hands-on experience on Postgres DB and MongoDb / any NoSQL DB
- Must be comfortable working with git and CI CD pipelines and deployment strategies
- Should be able to build a new team and work with your engineers and mentor them
- Collaborate with cross-functional teams to define, design, and ship new features
- Ensure the performance, quality, and responsiveness of applications
- Identify and correct bottlenecks and fix bugs
- Continuously discover, evaluate, and implement new technologies to maximise development efficiency
- Should be open to learn new domain and work in fast paced environment
- Responsible to deliver end to end module/product/project scope
Requirements:
- 4+ years of experience as a Full Stack Developer with a strong focus on Nodejs with TypeScript and React JavaScript
- Solid understanding of web application architecture, including RESTful API design and development
- Experience with front-end development using tailwind , bootstrap ,HTML, CSS, and JavaScript, typescript
- Strong analytical and problem-solving skills
- Excellent communication and interpersonal skills
- Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.
- Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.
- To know more visit https://elocitytech.com/" target="_blank">https://elocitytech.com/
- Responsibilities:
- Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.
- Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.
- Create low-level design of modules of a software application through proper documentation and diagrams.
- Develops software solutions by studying requirements, clarifying customer/user needs, analysing data and processes and following established software development practices and processes.
- Develops proof of concepts for technical evaluation and early customer feedback
- Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications
- Networks with internal and external personnel in own area of expertise.
Skills:
- Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.
- Experience in Debugging/troubleshooting TypeScript code.
- Experience in API development (REST/GraphQL etc)
- Experience in development of Web and Mobile(android/iOS) applications
- Exposure of Parallel and Asynchronous programming
- Experience in writing Unit tests (Jest or any similar framework)
- Should be proficient in relational Database concepts (Postgres etc.)
- Knowledge of Non-relational Databases would be a plus.
- Good Understanding of Object-Oriented Programming Concepts.
- Good Understanding of Design Patterns.
- Good command of Data structures, Algorithms and Complexity.
- Good at problem solving and analytical skills.
- Experience with Source Code Versioning systems (Git etc)
- Understanding of Micro services Architecture would be a plus has context menu

➢ Must have great ability to create RESTful webservices in SpringBoot
➢ Great to have knowledge and experience in PL/SQL
➢ Great to have exposure into React 17+/MaterialUI
➢ Exposure into Load Balancing using Nginx
➢ Exposure into Docker
➢ Exposure into Fusion
Knowledge, Skills and Attributes:
➢ Good verbal, written communication skills and interpersonal skills
➢ Ability to work in late evening shifts to overlap with the counterparts in US
➢ Demonstrate a positive attitude
➢ Display a level of integrity
➢ Immediate joining
➢ Experience of minimum 5 years
➢ Handle things individually, ready to start off
Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.
Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
- Collaborating with a passionate development team to build custom solutions on, but not limited to Wordpress
- Writing efficient, robust and reusable code.
- Effectively managing project tasks, timelines and communication.
- Developing and maintaining technical project documentation (whenever necessary)
What you need to have:
- B.Tech /B.E.;BCA;MCA
- Hands-on experience in PHP and WordPress.
- Working experience in HTML, CSS, Bootstrap, Javascript, Jquery.
- 2+ year experience as a WordPress developer
- Experience with creating shortcodes.
- Understanding of OOPS concepts.
- Good knowledge of web securities, GIT.
- Knowledge of front-end technologies like AngularJS, ReactJS would be a huge plus.
- Web security knowledge.
- Excellent communication skills
Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis.
Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyze medical images and create 2.0 of advanced radiologist reporting.
We are backed by YCombinator and other marquee investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.
Join us, if you find this as exciting as we do!
Description:
Synapsica is looking for a Node.js/Python developer who is passionate about designing and implementing scalable solutions with highest quality. You will be responsible for creating high performance, responsive, and secure server-side programs to manage Synapsica platform. You will be responsible for designing, managing and supporting cloud platform and scaling our database. This role is ideal for you if you have a background in bakcned development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.
Responsibilities:
- Design and development of our new platform modules from scratch.
- Hands on implementation of our APIs and integrations.
- Design, scaling and integration of new/existing databases.
- Ensuring the entire stack is designed and built for speed and scalability
- Design and construction of our REST APIs with best secutiry mechanisms.
- Design and implementation of continuous integration and deployment pipelines in tandem with the respective team members.
- Performance tuning and improvements in large scale systems.
- Ensuring responsiveness and cross-platform compatibility of applications.
- Owning and delivering end-to-end products, features, enhancements.
Requirements:
- Degree in Computer Science or related discipline with strong competencies in data structures, algorithms, and software design
- At least 4+ years of experience with writing Python/NodeJS/PHP/Ruby on Rails.
- Prior experience of database design and management in MongoDB, including being up on the latest practices and associated versions.
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amount of data.
- Familiarity with AWS (or equivalent) ecosystem with end-to-end cloud deployment.
- Experience implementing code level unit tests.
- Proficiency with Git / Version control.
- Appreciation for clean and well documented code
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
- Very high sense of ownership.
- Deep interest and passion for technology
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.
Responsibilities and Duties
Primary Responsibilities:
- Write Elegant, Testable Code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Build and Deploy Code
- Build Fast, Reliable REST APIs
- Adding New Features
- Enhancing Existing Code and Features
- Comfortable with Agile and Iterative Development along with code reviews








