lives of API developers and consumers easier. If you love thinking big and delving deep and
enjoy envisioning truly elegant solutions, this role is definitely for you.
What you will be Doing
- You will abstract away complex data interactions with easy-to-use APIs that will power several
mobile and web applications.
- You will also own, scale, and maintain the computational and storage infrastructure for the
various micro-services and long-running jobs, designed and implemented by you and the team.
- We will look to you to make key decisions on the technology stack, architecture, networking,
and security. We love working with bleeding-edge technology, especially if it improves the
malleability, and simplicity of our deliverables.
What you need
- The ideal Backend Engineers are polyglots who are fluent in HTTP and core CS concepts such
as algorithms, data structures, and programming paradigms, and always pick the right tools for
the right job.
- They have a keen eye for common security vulnerabilities and how to act on them (example:
DDOS attacks, SQL Injection etc.).
- They understand what it takes to work in a startup environment and know when to trade
performance for simplicity.
- They fail fast, learn faster, and execute in time.
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail.
- Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Technical Skillsets:
NodeJS + Javascript, GoLang, Typescript + Nodejs, Clojure/Haskell/F#/Scala
(languages/environments)
Koa, Express, Play (frameworks)
Asynchronous Programming Frameworks (Akka, Nodejs, Tornado)
MongoDB, postgres, Bigtable, Dynamo (databases)
Apache Kafka, NATS, RabbitMQ, ZeroMQ (queues)
FunctionalProgramming, FRP (functional reactive)
microservices, multi-tenant, distributed-systems, distributed-computing, event-sourcing
Good to have Skillsets:
Clojure/Haskell/F#/Scala
Apache Kafka, NATS
FunctionalProgramming, FRP (functional reactive)
event-sourcing
Koa
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their
supply chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have
plans to grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors
across India and the Silicon Valley (Venture Highway, Startup Buddy etc.)
- Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!)
- Open Pantry
- As a team, we love to travel :). An off-site every quarter

About O4S
About
Connect with the team
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- 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).
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- 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.
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Solution Oriented Mindset
- Assist project in all technical aspects of tooling and DevOps
- Proactively lead tools new versions release cycle and documentation
- Proactively identify risks related to application /deliverables and propose a mitigation plan
- Provide custom solutions as per customer requirements
Autonomy & Problem Solving Mindset
- Work in complete autonomy to deliver project deliverables, for advanced technical deliverables, with required level of quality
- Must have troubleshooting skills
Agile Mindset
- Contribute to improvement of internal process, tooling, and quality process
- Design, build and collect technical materials as part of project executions in a spirit of reusability for future engagements and maintain knowledge on best practices, tools, and reusable components for CAST analysis
Responsibilities:
• Take on complex problems that span multiple components and teams.
• Independently own one or more multiple modules, which include: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules that handle the interaction between multiple components.
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Solve production issues. Investigate and provide solutions to minimize the business impact due to the outage
• Continuously improve performance metrics of modules you own.
• Collaborate effectively across teams to solve problems, execute and deliver results
Requirements:
• Experience: 3+ years
• A Bachelor's or Master's Degree in Computer Science
• Software engineering and product delivery experience, with a strong background in algorithms
• Experience in architecting & building real-time, large-scale e-commerce applications
• Experience with high-performance websites catering to millions of daily traffic is a plus
• Excellent command over Data Structures and Algorithms
• Experience with web technologies, Go/Java/Python
• Language: GO or Python
• Strong expertise in DS and Algo
• Strong leadership skills - have experience mentoring, building products from scratch or incumbent in design and architecture.
• Have worked in the scaling of the system right from scratch.
• Someone worked in small user base to a large user base and wrote optimized code
• Both HLD and LLD
Job Description
Title - Lead Snowflake Developer
Location - Chennai/Hyderabad/Bangalore
Role - Fulltime
Notice Period/Availability - Immediate
Years of Experience - 6+
Job Description:
- Overall 6 years of experience in IT/Software development
- Minimum 3 years of experience working with Snowflake.
- Designing, implementing and testing cloud computing solutions using Snowflake technology.
- Creating, monitoring and optimization of ETL/ELT processes.
- Migrating solutions from on-premises to public cloud platforms.
- Experience in SQL language and data warehousing concepts.
- Experience in Cloud technologies: AWS, Azure or GCP.
ROLES AND RESPONSIBILITIES
• Lead the Software Team. Ensure consistent deliveries of planned features while ensuring code quality, testing standards, and processes are maintained.
• Work with the leadership team to cultivate and grow the Internal Software Team Culture at
• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design.
• Solve technical problems of high scope and complexity.
• Exert influence on the overall objectives and long-range goals of your team.
• Experience with performance and optimization problems, particularly at a large scale, and a demonstrated ability to both diagnose and prevent these problems.
• Help to define and improve our internal standards for style, maintainability, and best practices for a high-scale web environment. Maintain and advocate for these standards through code review.
CANDIDATES MUST HAVE
• Experienced in designing and integrating RESTful APIs
• Knowledge of Python
• Excellent debugging and optimization skills
DESIRED SKILLS & EXPERIENCE
• 3-5 years of experience building large-scale software applications and working with large software teams.
• Bachelor’s degree in computer science, information technology, or engineering • Experience designing and integrating RESTful APIs
• Knowledge of Python and Backend Development
• Experience building Web/Mobile applications
• Excellent debugging and optimization skills
• Unit and Integration testing experience
• Being knowledgeable about engineering processes and good practices
• Passionate about learning new tools. Ability to continuously learn and acquire knowledge.
• Able to adapt to changing complexity of tasks.
We are looking for a seasoned technology professional who can use their experience to build effective teams, high-performance culture, scalable processes and mentor aspiring talent. The candidate must be entrepreneurial, hands-on in technology, must have experience with design, development, and delivery of mobile apps, web applications and tech platforms, at scale. It is highly important for the candidate to have experience with eCommerce and is expected to have some experience in the retail sector, building technology systems and platforms.
The person is expected to be a technology leader with the capability of building and leading a high-performance engineering team.
Responsibilities
- Provide Technical authority in prospective meetings with other departments and provide guidance to developers
- Provide Hands-on Technical leadership, in the development, operation, and improvement of services
- Work with the wider team to ensure high-quality code is delivered in line with the project goals and delivery cycles
- Work with product managers to understand user needs for new/existing services
- Work closely with designers to deliver rapid prototypes as well as production code to ensure high accessibility standards are upheld. We expect familiarity with modern frameworks and languages, as well as best practices such as Clean Code, TDD, BDD, continuous integration, continuous delivery, and DevOps
- Attract, hire, retain and develop top-notch engineering/technology talent
- Implement technology product(s) as per the product requirements, using appropriate technologies
- The company’s tech-stack comprises Node.js (for Backend), MongoDB as the Database (MEAN stack), and Native App development (for iOS and Android)
- Communicate business goals to the engineers. Keep them focused on building the right product and in the right manner. Ensure that engineering is always adding business value and communicate this value to the business leaders
- Be an individual contributor if necessary. Engineering managers could spend ~20% of their time coding and contribute to the code base
- Perform regular code review of the code being developed by your team, to maintain the high quality of code
Qualification
- Computer Science & Engineering education/degree from an internationally recognized top technology institute or university
- 8-10 years of overall experience in the delivery of quality scalable and extensible software. Should currently be leading a team of top-notch developers as an Engineering Manager or Technical Architect.
- Experience of leading product development in B2C startups
- 4+ years of experience in architecting, designing, developing, and scaling high-quality mobile apps and end-to-end systems (consumer-facing and business-facing systems), under tight timelines and delivery pressure
- Experience with backend software development at a high scale. Experience with distributed systems, service-oriented architecture (SOA), and microservices design.
- Capacity to take the complete responsibility of developing and delivering a product-mobile apps and backend. Has good design sense. Has to experience with Node.js.
- Knowledge of new and cutting-edge technologies & tools. Experience working on complex projects having Analytics, Data-Science and Machine Learning components.









