
- 5+ years of experience in backend development with a strong focus on Node.js and TypeScript.
- Strong understanding of Node.js frameworks.
- Proficiency in TypeScript, with experience in building scalable applications.
- Solid understanding of RESTful API design, WebSocket, and asynchronous programming patterns.
- Experience with databases (SQL/NoSQL), including MySQL, MongoDB, Redis, etc.
- Familiarity with blockchain technologies and cryptocurrency exchanges is a plus.
- Strong knowledge of security principles and best practices for web applications.

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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- Strong understanding of JavaScript (ES6+), RESTful APIs, and asynchronous programming.
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- Familiarity with Git and version control workflows.
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• Testing and evaluating new programs
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• Working closely with other developers, business and systems analysts
• Drive an effective and efficient scrum process where all team members work in the same direction. Ensure efficiency and effectiveness of your team by continuously
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• Provide fact-based technical feedback on each squad member to managers as part of the evaluation cycle.
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• Conduct interviews, document outcomes and help raise the bar for recruits we hire, internal and external resources
• Team player with a high sense of accountability and ownership. Willing to try new things, not afraid to fail, learn from failures and grow. Verbal & non-verbal communication skills
Key Skills :
- Good understanding and experience of HTML / CSS / JavaScript.
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Worked on Containerized microservices solution., node/express, docker/Kubernetes
Additional Skill:-, Experience with API Gateways: authentication and transformations (preferably with Kong),
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Roles – Lead ( upto 6 years of experience) and Architect ( 7+ years of experience) profiles
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What will help you thrive in this role?
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We are a language agnostic engineering team of independent thinkers who understand the priorities of a rapidly growing startup and excel at choosing high impact projects. Our core beliefs are:- We are in the forefront of disrupting traditional retail & supply chain industry by building distributed systems
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And yes! We do have new furry friends coming to our office everyday.
Work Perks
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Company |
Photon Commerce (http://www.photoncommerce.com">www.photoncommerce.com)
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Title |
Senior engineer
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Commitment |
Full-time. Remote. Starting as soon as possible.
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About the company |
Photon Commerce is the AI platform for finance, invoices, and payments. Photon empowers financial services and eCommerce businesses with computer vision to automate invoices and receipts. Photon turns paper and pdf invoices, receipts, POs, and packing slips into a modern collaboration platform for commerce, preventing problems before they become costly. Backed by the Nasdaq Entrepreneurial Center, its leadership brings experience from eCommerce and SaaS unicorns, Google AI, Y Combinator, Stanford, and 4 exits and an IPO.
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What you will do |
· Build a python/flask app that processes PDFs, images, invoices, and receipts for Quickbooks and Shopify using OCR · Lead a team of 8+ engineers and interns · Create integrations, APIs, webhooks, and payments for the captured structured data · Build a document and invoice collaboration app with embedded chat, like Slack for documents/invoices · Deploy the app into production and own AWS devops · Own the shipped product, including QA
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Experience |
· 5-10 years of experience having launched apps in production with real users in Python, Flask, Django, Javascript, SQL, AWS, and full-stack web development · 1+ years of engineering leadership, including as a team lead, tech lead, or manager · Have repos and/or demos to show your previous work · Knowledge in and/or passion for enterprise SaaS, and AWS devops · Excellent communication, critical thinking, problem-solving, and team skills
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What you’ll receive |
· Join an exciting, high growth startup led by serial entrepreneurs and backed by top tier Silicon Valley investors and billionaire industry leaders in tech · Competitive compensation commensurate with experience and performance
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- Good Analytical and Communication skills.
- Strong proficiency with JavaScript - Knowledge of Nodejs and frameworks available for it such as Express, etc.
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Good understanding of server-side templating languages such as Jade, EJS, etc.
- Good understanding of server-side CSS pre-processors such as SCSS, Stylus, Less, etc.
- User authentication and authorization between multiple systems, servers, and environments - Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests - Proficient understanding of code versioning tools, such as Git
Job description
Experience: 5+ years
Location: Bangalore
Roles and Responsibilities
- Design and code features in the back-end as per the specifications provided by the Product and Design teams.
- Ship features in fast moving agile sprints.
- Work closely with Product Design and Product Management teams to brainstorm and chalk out details of features.
- Ability to build a feature from scratch & drive it to completion.
- Strong skills in architecting database models.
- Ability to document your code as this will be an open-core project.
- Ability to write unit, integration, and end to end tests.
- Conduct peer code review.
Skills
Must have:
- Strong understanding of Javascript and NodeJS.
- Good understanding of asynchronous programming, callback, and closures.
- Experience developing applications that use queues like SQS, RabbitMQ, Kafka, etc.
- Experience with AWS services like S3, EC2, etc.
- Experience with Docker.
- Should be strong in Postgres database.
- Test driven development and use of frameworks like Mocha, Cypress.
- Strong proficiency in English and writing skills.
Good to have
- Basic knowledge of CI, CD
- Intermediate knowledge in any cloud services (AWS, GCP)
- Have created GraphQL APIs or worked with the Apollo framework.
- Have built previous functionality for CRM, marketing, or customer support tools.
- Have worked in open source project previously.
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- You’re proficient in NodeJS, TypeScript, MySQL, and MongoDB
- You possess strong OOP and design pattern knowledge
- Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
- You write understandable, testable code with an eye towards maintainability and experienced with TDD (Test Driven Development)
- You’ve the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
- FrontEnd experience; (Good to have) Angular
- Startup experience, preferably a tech startup
- Open Source contributor
- You have experience with other programming languages -- e.g. Python, Ruby, PHP, Go, C, etc.
- Passionate about/experienced with open source and developer tools
- You have a bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience







