


Senior Software Engineer, Java/Python (Bangalore, Remote option available)
4+ years of experience
Zepto
Why should you look at this role?
Salary 40-55 lakh per annum
Paid leave
Sick leave
Provident Fund
What Else?
- High growth startup in quick commerce space (10 min delivery)
- Given our very high hiring bar, we offer a very competitive salary and substantial equity to create everlasting wealth for our early believers as the company grows.
- Work on real world logistics problems & benefit from the rocket ship Zepto is!
Tech Team: 40-50 (200+ in few months)
About the Employer
Zepto is a fast-growing startup that delivers products in 10 minutes through an optimised network of dark stores that we're building across the country!
Just 6 months after launching, we've raised $160 million from marquee
investors in Silicon Valley and India. Our investors include Y Combinator, Nexus Venture Partners, and many more! We’ve built out one of the best startup teams in India, with Senior Executives from Uber, Flipkart, Dream11, PhonePe, Goldman Sachs, Pepperfry, and institutions like Stanford, INSEAD, IITs, and IIMs.
The magic of Zepto is our ability to consistently deliver 2,500+ products in 10 minutes flat. It's the core of what we do, and the reason why we’ve been able to grow so fast with phenomenal customer love. Our mission is simple: to make 10-minute delivery the new normal.
Funding:
Funding Zepto has raised a total of $160M in funding over 3 rounds.
Their latest funding was raised on Dec 20, 2021 from a Series C round.
Employer Reviews:
“High Ownership, Lots of Learning, Broad Roles, Accessible Leaders”
"Alot of benefits like ZeptoJoy coupon, internet bill reimbursement and cab reimbursement is also taken care of. Overtime is paid."
Reporting structure:
Software Engineer -> Sr Software Engineer -> Lead -> EM -> AD / Director / VP -> Head of Engineering -> CTO
This role would be by and large a Individual Contributor role.
Interview Process:
- Round 1. Problem Solving + CS Fundamentals (60 mins)
- DS/Algo Problems (30 mins) - You can expect 1-2 Leetcode easy/medium questions
- CS Fundamentals (30 mins)
- Round 2. Low Level Design (60 mins)
- You would be given a trivial problem and expected to work through the low level design viz class structure, interfaces, db data models etc.
- Round 3. High Level Design (60 mins)
- You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
- Extract APIs, if any
- Database choices
- Schema design and Scale the system, if time permits
- You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
What You will do Everyday?
- Work very closely with the Tech Leadership and lead end-to-end development.
- Closely collaborate with product, design and business teams to understand product ideas and business needs and help deliver these as a series of ultra fast experiments.
- Architect and implement backend services with high reliability and scalability.
- Contribute to system architecture and database design.
- Set up best practices for development and champion their adoption.
- Write quality documentation and handle conflicts well to build consensus.
- Learn about new technologies and incorporate them.
- Mentor young minds and foster team spirit
Your Superpowers
- 4+ years of experience with Java frameworks like Spring / Dropwizard/Play or Python frameworks like Django/Flask/FastApi and databases like PostgreSQL/MySQL/MongoDB
- Experience in building highly scalable customer-facing applications that involve implementing complex business flows and dealing with an ever-increasing scale
- Extensive experience in object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive module and class-level interfaces.
- Experience in service-oriented architecture design.
- Experience building at least one application from scratch.
- Experience with cache store/message broker like Redis / RabbitMQ/Kafka
- Interest in learning new languages/framework as needed.
- Worked in a startup environment with high levels of ownership and commitment.
- A growth mindset and passionate about building things from the ground up and most importantly, you should be fun to work with.

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Drive new feature development - from ideation to PoC to testing to scalable production deployments
Writing reusable, testable, and efficient code
Implementing highly scalable, secure, robust, and fault-tolerant systems
Working on continuously improving tools and systems Required Skills
Knowledge of relational databases (MySQL, Postgres) and NoSQL
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Experience in architecting & building real-time, large scale software applications.
Excellent command over Data Structures and Algorithm Proficiency in implementation of algorithms and use of advanced data structures to solve problems in computing.
Bring software engineering and product delivery experience, with a strong background in algorithms.
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Experience in Fintech Industry is a plus
About the company.
It is India's largest Corporate Employee Benefits Platform. Founded by alumni of UCLA, Amazon, and Microsoft. Our major verticals are Corporate Perks, Rewards & Recognition, and financial solutions. We are currently partnered with more than 250+ corporates, including Concentrix, RBS, Fidelity, Walmart, Amazon, etc., whose employees are offered exclusive privileges through our 10,000+ brand partners across categories It is leading the employee benefits market in India which pegged at $2 billion and growing.



JOB POSITION- FULL TIME BACKEND ENGINEER (TRADING SYSTEMS)
Satsio is an African startup that is building a crypto exchange for both spot trading and perpetual futures trading. We have many exciting and innovative features and products in the pipeline. We are looking to add to our engineering team and we are recruiting for a full time backend engineer (trading systems).
How to apply:
After reading the job description, please complete the job application via the following link: https://forms.gle/wEdVVktX3iVLCqj59
Location
This is a fully remote position. We are accepting applications from worldwide candidates.
Remuneration
Salary range in USDT shown at the top of the advert, depending on skills, experience, and location, and subject to good performance, vesting shares of 1% of the business.
Requirements
· Proficiency in Python and expertise in working with websockets
· Proven experience in designing and implementing complex REST APIs
· Project experience with Flask and Django
· Proficient with Linux and experienced working with cloud servers
· Excellent communication skills
· Intellectually motivated and a quick learner
· Fluent in both spoken and written English
Preferences
· Proficient in C++ or another low latency language
· Experience building matching engines and trading systems
· Experience working in the crypto exchange industry
· Experience with blockchain nodes, creating blockchain wallet systems, cryptocurrency deposit and withdrawal systems and optimising network fees
· Familiar with the agile development process, Github flow, and modern software engineering practices
· Align working hours with the standard 9am-6pm UTC+1 schedule
Key Responsibilities
· Review and understand existing backend code base and make improvements where necessary
· Matching engine and improving its speed
· The system that updates user balances following user transactions and performs the necessary checks prior to permitting transactions
· Cloud server configurations and deployment and cost optimisation of resources
· Creating APIs with supporting documentation for users who trade algorithmically directly via APIs and not via the frontend
· Work on our p2p trading product and KYC process
· Building the perpetual futures trading product and integrating data from 3rd party APIs
· Performing unit tests, integrated tests, performance tests and end to end tests
· Working on various other backend tasks that the startup requires to be done
Startup culture
Our culture is one of constant innovation. Great teamwork, creativity, a passion for innovation, constantly trying to improve, being hard working, a self starter, a quick learner, taking initiative, a can do attitude, shipping product, loyalty, and having a positive mindset are all traits which we are seeking in our future colleague. We seek to create an environment whereby colleagues can see their long-term career to be with us and to flourish with us as we grow.
You will:
- Be actively involved in strategic direction and product decisions.
- Architect and design new services and features
- Be the go-to person for debugging performance issues on the platform and customer environments
- Dive deep into open source data engines and work on optimizing their performance.
- Design, build, and maintain low latency APIs.
- Mentor and guide the engineering team on best practices and software architecture
- Work closely with our customers and sales teams on a regular basis to carve out new features and use cases
- Develop services that will be consumed by frontend and solution engineers.
You need:
- 12+ years of strong development experience in one or more general programming languages. JVM (Java, Scala, Kotlin) or Golang
- Strong Computer Science fundamentals in data structures, algorithm design, and problem-solving.
- Strong distributed systems knowledge, and experience shipping enterprise software
- SQL mastery and overall experience working with Data storage and retrieval systems
- Organized, thorough, and detail-oriented
Good to have:
-
Contribution to open-source projects.
- Background in enterprise software
- JVM performance tuning and debugging

Skills:
- Expertise in Python 3 on AWS serverless
- Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
- Proficient in modern microservice-based architectures and methodologies.
- Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
- Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
- Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
- Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
- Experience with Github and advanced Github features (good to have).
- Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.
Involvement in the full software development life cycle within broadly defined parameters and providing software solutions keeping into consideration the software quality needs Design and defining the interaction between the different component pieces Write efficient code based on brief given by team lead. Fast prototyping of proof-of concept features / application based on brief. Develop and maintain new features on Java stack Own the delivery of an entire piece of a system or application Management and execution against project plans and delivery commitments Work closely with the peers and Leads to develop the best technical design and approach for new product development Build software solutions for complex problems. Compliance with build/release and configuration management process Responsibility to develop unit test cases for his/her project module. Execution of appropriate quality plans ,project plans ,test strategies and processes for development activities in concern with business and project management effort
Desired Profile:
Good understanding of Object Oriented Programming Concepts, hands-on knowledge on Java stack (Spring/Hibernate) Development across multiple browsers/platforms on Website Good Understanding of SQL/NoSQL data stores Fair Understanding of Responsive High Level Designs Work experience in product/start-up company is a plus Familiarity to MVC, SOA, RESTFull web services Work with other teams and manage time across multiple projects and tasks in a deadline driven, team environment Good to have knowledge of Javascript (AngularJS/ReactJS)/HTML/CSS/JQuery front-end code across a broad array of Interactive web Understand agile methodology and instill best practices into the proce
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Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics, or related technical field. Relevant experience of at least 3 years in lieu of above if from a different stream of education.
-
Well-versed in and 3+ hands-on demonstrable experience with: ▪ Stream & Batch Big Data Pipeline Processing using Apache Spark and/or Apache Flink.
▪ Distributed Cloud Native Computing including Server less Functions
▪ Relational, Object Store, Document, Graph, etc. Database Design & Implementation
▪ Micro services Architecture, API Modeling, Design, & Programming -
3+ years of hands-on development experience in Apache Spark using Scala and/or Java.
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Ability to write executable code for Services using Spark RDD, Spark SQL, Structured Streaming, Spark MLLib, etc. with deep technical understanding of Spark Processing Framework.
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In-depth knowledge of standard programming languages such as Scala and/or Java.
-
3+ years of hands-on development experience in one or more libraries & frameworks such as Apache Kafka, Akka, Apache Storm, Apache Nifi, Zookeeper, Hadoop ecosystem (i.e., HDFS, YARN, MapReduce, Oozie & Hive), etc.; extra points if you can demonstrate your knowledge with working examples.
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3+ years of hands-on development experience in one or more Relational and NoSQL datastores such as PostgreSQL, Cassandra, HBase, MongoDB, DynamoDB, Elastic Search, Neo4J, etc.
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Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.
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Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.
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Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.
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Perform benchmarking/stress tests and document the best practices for different applications.
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Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.
-
Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.
-
Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.
Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.
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Well-versed in AWS and/or Azure or and/or Google Cloud; must demonstrate experience in at least FIVE (5) services offered under AWS and/or Azure or and/or Google Cloud in any categories: Compute or Storage, Database, Networking & Content Delivery, Management & Governance, Analytics, Security, Identity, & Compliance (or) equivalent demonstrable Cloud Platform experience.
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Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.
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Good understanding of Network, Data, and Application Security basics which will enable you to work in a Cloud as well as Business Applications / API services environment.
Java, J2EE, Spring Boot, REST services, PostgreSQL
Experience with Elastic Search or any NoSQL DB is preferable

