
- 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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As a Senior Software Engineer, you need to have:
● Advanced knowledge of PHP, Nodejs, MySQL, HTML/CSS, Javascript etc.
● Some experience in managing engineering teams of 5-20 people.
Work Details:
● Your work will involve managing software development team via web and mobile
technologies like PHP/Laravel, MySQL, Node.js, MongoDB, React, Angular, Ionic, AWS
etc.
● Lead, Coach and mentor a strong and passionate team of web and mobile Engineers and Designers
● Drive new features and improve performance
● Define or Review architectural standards and processes
● Drive performance analysis and optimization efforts
● Help set and fulfil the engineering hiring plan for the team including sourcing, screening
and interviewing
● Represent the team in engineering and product meetings
● Work with teams across Squareboat to ensure a seamless user experience for our
client's customers
● Champion continuous improvement to help raise the bar on quality, performance and
maintainability
● Keep abreast of the changes in the industry and champion new technologies and
development processes within the team
You need to have:
● 5+ years of relevant software development experience
● Bachelor’s or Master's degree in Computer Science, Computer Engineering or a related
technical discipline
● A good understanding of the software development lifecycle
● Some interesting side projects you have done or a Github profile with real open source
contributions will be a big plus
Benefits:
● Working with the latest web technologies in an early-stage product startup, with plenty of
opportunities to learn
● You will work directly under the mentorship of other senior designers/developers and the
startup's founders
Skills:
● PHP, Javascript, MySQL, AngularJS, React.js
Backend - Software Development Engineer III
Experience - 7+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customers technical teams and MongoDB solutions Architects.
Location - Chennai or Bangalore
- Relevant experience of 7+ years building high-performance back-end applications with at least 3 or more projects delivered using the required technologies
- Good problem solving skills
- Strong mentoring capabilities
- Good understanding of software development life cycle
- Strong experience in system design and architecture
- Strong focus on quality of work delivered
- Excellent verbal and written communication skills
Required Technical Skills
- Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
- Min two years of hands-on experience in NestJs
- Strong experience with Express.Js framework
- Implementation experience in monolithic and microservices architecture
- Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
- Experience integrating with any 3rd party services such as cloud SDKs (Preferable X), payments, push notifications, authentication etc…
- Hands-on experience with Redis, Kafka, or X
- Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
- Strong experience writing and maintaining clear documentation
Good to have skills:
- Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
- Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
Quoality- A Modern Operating Infrastructure for Hospitality Businesses to help them improve the guest experience and generate additional revenue.
Launched in 2021, Quoality is a Hospitality Tech company backed by a US-based Newchip Accelerator. Our mission is to equip businesses with the tools they need to grow.
By providing tools, insights, and education with minimal effort on the business's part, the barrier to making actionable business decisions is lowered dramatically. Everything we do is driven by this mission. Everything we do needs to positively answer the question, "Does this help businesses grow?"
Product Demo: https://www.youtube.com/watch?v=gKklkRYKkC4&t" target="_blank">https://www.youtube.com/watch?v=gKklkRYKkC4
Quoality Blogosphere: https://medium.com/quoality" target="_blank">https://medium.com/quoality
🙋♀️ The role & what we are looking for?
Oh, this is our favorite part. We’ve seen companies that write 'templatized' BS for this section; stuff that’s never followed in reality.
Not us. Here are some of our core values to give you a sense of who we are as a team:
- First and foremost, we’re super transparent. We all know what everyone’s working on, how’s the company doing, and the whole shebang.
- We’re all super chill.
- Work time ain’t playtime. We take our work very seriously. We’re a small bunch on a mission to change the guest experience in the hospitality industry, once and for all.
- Deadlines are a thing for us. We are super punctual.
- We know what we are working on and aren’t clueless.
- We’re more friends than colleagues.
- Monthly 1:1s with the founders where you can directly share & receive feedback.
Not convinced yet? Okay, here’s the fun stuff:
- Flexible leave policy. Yeah, it’s truly flexible. We trust you.
- We have a flexible remote work policy in India. Work from the beautiful beaches of Goa or the stunning mountains of Manali, we’re all good.
- Annual workstations at exotic destinations. Subject to change and hitting milestones.
- Allowances to choose your coworking space (if you want), courses & any tool that you think is beneficial to succeed in this role.
📄 The role & what we are looking for:
🧑💻 Responsibilities:
- Write code that will impact the businesses of thousands of hotels, hostels, and vacation homes across the globe.
- Collaborate with Frontend to spec, write, test, and deploy API endpoints.
- Implementation of a robust set of services and APIs that work on our data pipelines.
- Build all support infrastructure to scale our data delivery pipelines - endpoints, security, logging, messaging.
- Product development activity includes data querying from our various stores, real-time analytics, ML algorithms.
- Developing & Integrating of the front-end and back-end aspects of the web application
- Optimization of the application for maximum speed and scalability.
- Brainstorm features with the product team and guides decisions based on your knowledge of the codebase.
- Take full ownership of the module starting from architectural and design decisions to shipping.
- Like the work you do, enjoy collaborating with your coworkers, communicate as much as you can, and have fun.
- 1+ years of relevant work experience.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- You possess strong computer science fundamentals: data structures, algorithms, distributed systems, and information retrieval.
- You have a good understanding of multi-process architecture and the threading limitations of NodeJs and Express frameworks.
- Understanding of fundamental design principles behind a scalable application.
- Good understanding of server-side templating languages.
- You have good knowledge of relational databases as well as key-value databases and are capable of designing scalable database models based on the product requirements.
- Familiarity with REST API development standards, protocols (HTTP, WebSockets and more), and GraphQL.
- You’re comfortable picking up new stacks and choosing the right tool to get the job done.
- You are open to learning new stuff and avoid internal politics. (super important).
- You are humble, kind, and are open to feedback.(super duper important).
❕Bonus:
- Entrepreneurial spirit, Product Thinker, and ‘Can-Do' attitude.
- Passionate about leveraging technology for supporting product delivery in the Hospitality space.
- Operating style suited to working in a startup environment, where teamwork and resourcefulness are highly valued.
- Excellent leadership skills, including the ability to manage multiple assignments at a time.
🤙 What's the interview process like?
Yes, we do have a process, and it’s simple.
- Step 1: You apply for the job.
- Step 2: Quick intro call with the founders.
- Step 3: Solve an assignment.
- Step 4: A round where we evaluate your assignment along with you.
- Step 5: One round of interviews to gauge if you are a good culture fit.
- Step 6: Job Offer (contingent on the above steps).
- Step 7: Welcome to the Quoality! 🙂
So, think we’re a good fit? Then let’s roll.🤘
Worked on Containerized microservices solution., node/express, docker/Kubernetes
Additional Skill:-, Experience with API Gateways: authentication and transformations (preferably with Kong),
Having worked on Event Broker Governance, Platform Communication and Integration Strategies, Event Management between Enterprise Systems
Roles – Lead ( upto 6 years of experience) and Architect ( 7+ years of experience) profiles
Personality fit
Looking to hire a Backend developer, who wakes up every day with the zeal of learning something new - a mind that is always curious. Not only this, he should be proud to have a good experience on algorithms and understand his technology at the atomic level.
Preliminary requirements for the role
- Should understand the architecture of Node Js language, and must have had at least 1 year of solid experience in writing robust code in this language.
- Should be well versed with basic algorithms on ( array, Linked list, stack, queue)- Yes, we do ask questions associated with time and space complexity for the above-mentioned algorithms
- Thorough understanding of MySQL, in that, creating all types of joins ( inner, outer, left, and right) on multiple tables, views, and triggers are a piece of cake for you.
- Further, you should have a decent understanding of database designs so that you can make quick decisions about normalization, inclusion/exclusion of foreign keys, etc
- Should have a decent understanding of code repository tool such as GitHub
- Should be well versed with the basics of AWS ( understanding of cloud architecture would be a plus)
- Should be aware of the commonly used encryption techniques such as JWT, API encryption, Token management, etc
- Exposure to working in E-commerce related applications as well as in a startup environment would be an add on.
The primary responsibilities include:
- Responsible for the overall software development lifecycle.
- Management and execution against project plans and delivery commitments
- Drive effective, mature Agile practices and continuous execution improvements within your teams.
- Manage stakeholder planning and communications ensuring key outcomes
- Recruit, coach, and mentor the best engineering and management talent
- Build, coach, and manage a strong team of engineers that set the standard and can up-level the overall talent of the extended organization.
- Provide a strong understanding of native mobile developer platforms and bring broad thought leadership to the next generation mobile developer experience.
- Anticipate and aggressively remove obstacles that slow down or prevent products and programs from delivering on product and program objectives.
- Balance urgent and effective action, commitment to excellence, and taking the initiative to resolve problems; holds internal stakeholders accountable where appropriate.
REQUIRED
- 8+ years of industry experience with 2+ years of senior leadership experience.
- Solid track record of over-achieving engineering and platform delivery and scaling targets in high volume, innovative and fast-paced high-pressure environment; proven results in delivery on platform product.
- Deep understanding of one or more of Java/Python/Scala. Ability to understand and critique the core library/language constructs with skilled knowledge on UI technologies like Angular 2+, React, D3.JS
- Working experience with Agile methodologies and durable team concepts.
- Knowledge in DevOps practices and tools.
- Knowledge in Cloud Technologies, CI/CD, Jenkins, Testing methodologies is preferred.
- Experience in server-side services using ElasticSearch, Kafka
- A strong track record of project delivery for large, cross-functional, projects and bringing in and growing engineering talent
- Excellent written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.
- 5-10 years of experience in building API services using NodeJS Express and related frameworks
- Expert level understanding of NodeJS asynchronous runtime
- Expert level understanding of Javascript concepts on callbacks and closures
- Experience with Postgres, NoSQL, Redis, and Firebase real-time database
- Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda, API Gateway, SQS, etc
- Understanding of patterns and techniques for building scalable back-end infrastructure including caching, rate limiting, authentication, and authorization schemes.
- Experience in building highly scalable and high throughput services with millisecond response times
- Experience working in a collaborative team environment
- Excellent communication & interpersonal skills
- Willingness to learn and pick up new technology along with patience to mentor
Bonus skills –
- Experience with Elastic Search, Puppeteer
- Experience writing unit test









