Senior/Lead Engineer - Java

Position: Backend Developer

Organization: A Funded global healthcare platform connecting doctors, thereby enabling exchange of information on a quick and real time basis, founded in the year 2013.Currently there are 3 lakh doctors using this platform and everyday there are 400 new doctors joining it.

The platform promotes exchange of viewpoints, ideas, and information on various medical practices amongst healthcare professionals. This saves both time and money as solutions to several health issues can be accessed on a real time basis. There are 1.3 million registered doctors and 400+ daily publications on its platform and they operate across 16+countries.

 

Roles & Responsibilities

You’re Awesome At -

• Have strong experience in Python (FLASK framework).
• Have a Deep understanding of how RESTful APIs work.
• Familiar with various design and architectural patterns that can work at scale.
• Sound knowledge of NoSQL/SQL Databases (Mongo DB preferred).
• Strong experience with at-Cloud technology, preferably AWS or GCP, or Azure.
• Core experience in developing complex backend systems.
• Ability to communicate complex technical concepts to both technical and non-technical audiences.
• Passionate about application scalability, availability, reliability, and security.

Your Academic Qualifications -

BE/BTech in Computer Science preferred.

You’ll Be Improving & Responsible For –

• A team that is building products used by 300k + doctors every single day.
• Work on PetaByte Scale Streaming Systems - more than 500 million hours of video have been streamed.
• Lead high volume VOD streaming (think of systems as sophisticated as Netflix and Amazon prime).
• Challenge oneself on Security, Scalability, and Stability
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Reach out to the open-source community to encourage and help implement mission-critical software fixes

Your Experience Across the Years in the Roles You’ve Played -

2-4 Years of experience in Backend Development.

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

 

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.

 

 

 

Technical Skills:

• Experience with Core Java, J2EE, Spring, Hibernate, HTML/HTML5, JavaScript, Jquery, Web
Services.
• Understand and use Messaging Based Services techniques.
• Working knowledge with MySQL or similar SQL Databases.
• Strong knowledge in Object Oriented Concepts with Core Java.
• Good understanding and practical experience with Enterprise Java Concepts and
Methodologies.
• Good understanding of software development process in an agile environment.
• Excellent problem solving and troubleshooting skills.
• Solid coding practices including documentation, code reviews and unit testing.
• Knowledge of Grails, ReactJS, MongoDB and Junit will be an added advantage.
• Proficiency with database management is a plus.
• Experience with AWS infrastructure, e.g. S3, EC2, database services (RDS).
• Contribute to Production Support and debugging across the platform while working with other
software engineers.
• Strong experience with Application server development - Service layer patterns using Spring.

Specialized Skills:

• Excellent verbal and written communication in English.
• Ability to work in a fast-paced environment.
• Ability to multi-task on a regular basis.
• Ability to accept direction and complete work according to instruction.
• Strong analytical skills while maintaining attention to details.
• Innovative problem-solving techniques.
• Ability to organize, prioritize work, meet deadlines and work independently.
• Ability to handle multiple projects and activities in a timely manner.
• High Emotional Intelligence for an office environment.
• Experience working with office productivity tools; delivery assurance and/or industry standards
on deliverables.
• Experience working with administrative and/or workflow systems.
• Technical leadership of an engineering team to build, deploy, and support a reliable,
performant and scalable RESTful platform.

Professional Experience:
5-8 years’ experience

Qualification:
BE(CSE) B.Tech, M.Tech, M.Sc, B.Sc (IT), ME, M.Sc(CS), MCA

Perks:
• Monday to Friday – 5 Days work schedule
• Health insurance benefits
• Accidental and disability insurance benefits
• Opportunity to grow and promote from within
• Staff development activities

Do not apply if:
• Not having Experience in java, My SQL
• Not fluent in speaking, reading, writing English as this position requires fluent English languagebased communication

Job Description
We are looking for a highly motivated and skilled Lead Backend Developer who can understand both the engineering and business context in a technical ecosystem and manage the software development life cycle, from planning and prioritizing to testing and release. If you have hands-on experience developing large scale web applications in Java with spring, hibernate frameworks and are ready to lead a team of developers, we'd like to meet you.

Requirements

• 5+ years of software development experience including 4+ years of deep, hands on experience in building highly scalable web-based backend applications using Java and Spring ecosystem
• BE/BTech in Computer Science or a related field or equivalent practical experience
• Great problem-solving skills with solid data structures and algorithms knowledge
• Has extensively used the Spring ecosystem – Spring Boot, REST API Development, ORM tools like Hibernate
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Profound insight of Java and JEE internals (Class loading, Multi-Threading, Memory Management, Transaction management etc)
• Experience of coaching and mentoring junior developers with good delegation and time-management skills
• Implemented CI/CD in any of the projects done
• Strong understanding of Agile and Lean software development processes and practices
• Excellent knowledge and hands-on experience of Elastic Search
• Has designed relational databases; conversant with SQL
• Knowledge of Jenkins/ Docker and Devops
• Knowledge of Redis or similar technology
• Worked with some or all of these AWS services: EC2; lambda; SQS/SNS; Elastic Search, Transcoder
• Understanding and experience of building services and applications using principles of service-oriented architecture, preferable using REST or SOAP
• Contributed in the creation of end-to-end automation tests (functional or non-functional)
• Worked with WebSocket, Push notifications etc

Desired Skills

• Experience in ELK stack
• Knowledge of Video tools like FFMPEG, Wowza / Node Media Streaming
• Understanding of different video formats, streaming, CDN etc
• Understanding of Machine Learning Models, Pipelines etc

EDI Development with Java-Microservices.

• Atleast 5+ years of experience in Java development (J2EE, J2SE 8)
• Atleast 3+ years for EDI development experience.
• Degree, diploma or Certificate in Computer Science or IT.
* Troubleshooting of FTP networking for all EDI situations, sets up and edits all SQL reports. * Bring out and supervises all self loading scripts to guarantee effective EDI document travel. * Monitor effective working of all the given projects, manages various departments to provide efficiency for support staff, makes all EDI maps, business procedures and works out all the execution issues. * Experience in preparing all cost advice reference papers and takes part in different test developments, enforcement plans, strategies and supervises all communication for projects as per work plan. * Experience in dealing with all the scheme or system designs and follows through new designs and helps to enforce brand for all the new clients. * Coordination with non EDI sources to fix, design and implement all the answers for the same, and makes all data map to guarantee effective management of all dealings. * Experience in helping to all the e-trade dealings and the trade units in same processes and comes up with an update on architecture if needed. * Experience in leading projects that support the EDI techie regions, and helps the other projects as characterized by the team lead of applications development. * Experience in functioning as a direct liasion with fundamental users in limited structural areas of the trade. * Experience in EDI procedures and daily functions to ensure best performance, completeness and superiority.

Job Description-

Backend Developer- Senior

 

Experience - 3-6 years

Location: Pune/Kota

 

Minimum Qualifications:

 

- BE/B.Tech or ME/M.Tech in Computer Science.

- Must have “Can Do Attitude” towards work

- Must have work exp of 3-6 years

- Must have programming exp of 1-2 years in any of Python/Golang/Java languages

- Must have worked in product based company

- Ready to work in a startup and adaptable to a dynamic environment

- Ready to accept ad-hoc requirements and track them till they get implemented

- Ready to learn new technologies like Andriod, Angular, etc.

- Good at HTTP basics, OOPs concepts, data structures, algorithms, networking and

security aspects

- Ability to write clean code and maintain it

- Good at SQL/No-SQL databases

 

Preferred Qualifications:

- Experience in any good product based startup

- Experience in working with the team and managing a small team of 2-5 associates

- Experience in being a mentor for co-developers

- Experience in design/developing scalable systems.

- Experience in public cloud platforms services/APIs of AWS, Google Cloud, etc.

- Experience in data engineering

- Experience in SOA/Microservice architecture development

 

Responsibilities:

- Design and develop scalable services and APIs in Python/Golang

- Always maintain the services secure

- Should optimize APIs for mobile data and apps

- Use off-the-shelf and state-of-the-art services for faster development of product

- Guide team members with designs

- Take the end to end ownership of features and resolve customer issues on priority

- Mentor/guide/monitor junior developer

- Expertise Android/Angular to the required extent and guide app developers while

designing APIs

 

Opportunities in the role:

- LearnAngular, Python, Node.js, Golang, ELK stack, MEAN/MERN

- Work on AWS, Azure, Google Cloud Platform

- Work on databases like RDS, MongoDB, Big Table & DynamoDB, Redis, Aerospike

- Experience with SQL/ NoSQL Databases (RDS, DynamoDB, Google Datastore, Redis)

- Experience with ELK stack.

- Fast prototyping of proof-of concept features/application based on a brief

- Work on data engineering

Required Skills:
• Strong experience as a Java/J2EE development is required
• Excellent working knowledge in SPRING MVC, SPRING BOOT,
• Strong background in developing and deploying software that runs in a real-time, multi-threaded environment
• Good knowledge and experience with concepts of MVC, JDBC and RESTful API Integration
• Experience with threaded and asynchronous environment
• Experience with any of the following Frameworks is Desired: Spring, Spring Boot, Hibernate
• Fundamental understanding of design patterns
• Working knowledge of SOAP/XML/WSDL
• Proven experience in MongoDB
• Experience supporting and troubleshooting problems in a highly complex environment
• Familiar with agile / scrum development methodologies
• Proficient understanding of Code version tools like Git/ Bitbucket and SVN
• Familiarity with Continuous Integration and tools such as Maven and Jenkins.

Role & Responsibilities:

• You will be responsible for Java development and building large scale applications that are high performance, scalable, and resilient in an SOA environment
• Working closely with end-users and other members of the team to identify and employ the best solutions
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Engaging end-users to identify new requirements, strategic direction and highlight issues
• Defining and building maintainable processes that provide resilient and stable platforms, which support end user’s business/technical demand
• Integrating new services and providing clean APIs and services for applications
• Understanding volume growth to ensure the systems

About Us:Paysense is Nexus and Jungle funded startup focussed on improving the financial lives of the indian consumer. In an exclusive partnership with India Infoline (IIFL ~$600 mn networth), we are reinventing credit and access to it for the next billion Indian consumers. Traditional banks and lending institutions in India are serving less than 5% of all credit requirements. Primary sources of data on consumer spend and credit behaviour either do not exist, or, are fundamentally broken. We saw this as a challenging opportunity to build out large scale credit system from scratch. Our team comprises of engineers, data scientists and product leaders from Stanford, IIT and UCLA; and we are looking for mission driven team mates who are ambitious, work hard, are super smart and yet humble. If this sounds like you, we’d love to have a chat.About the job:- Backend development at Paysense means writing web systems that receive and process millions of requests per minute. - You will write code that stores and analyzes large scale data in milliseconds: architect and develop data processing and warehouse systems- Develop internal and external platform that powers next generation of credit lending systems- Design tech to build graph/network connecting users- Write systems that are integrated with all leading banks, bureaus and financial institutions.About you:- 2+ years of experience with one of the following is must: Python/Java/nodeJS.- Strong experience with Postgres or another SQL RDBMS.- Working knowledge of AWS or other cloud service.- Experience working in finance domain is a plus.- Experience with Python, Django, or data science toolkits (pandas, scikit, sparkML) is a plus.- Strong CS fundamentals - algorithms, database and systems design.- Degree in CS/Maths from tier-1 engineering institutes.

Experience in developing commercial software using Python, Java script, or Java. • Working knowledge of object-oriented programming and/or functional programming paradigms. • Good understanding of Algorithms and Data Structures. • Should have valid US B1 Visa, and be willing to travel in a weeks’ time to US • Expected to be in US for a week for the training

At Hotstar, we have over 350 million users on Play Store & capture close to a billion clickstream messages daily. The engineering team at Hotstar is at the centre of the action and is responsible for creating the unmatchable user experience. Our engineers solve real-life complex problems and create compelling experiences for our customers. As an engineer in the Data Products team, you will be responsible for building products, using data, that solve business and engineering use-cases for the company. In this role, you will be building a pub-sub infrastructure for Hotstar that will support 20 million concurrent clients. You will work on protocols such as: MQTT, WebSockets, technologies such as: Apache Kafka, Apache Spark and, databases such as Cassandra, Redshift to build a scalable and real-time pub-sub infrastructure. The pace of our growth is incredible. If you enjoy working on problems at scale and if you want to build our platform, join us! Key Responsibilities • Build low-latency distributed pub-sub infrastructure that can handle more than 20 million concurrent clients • Build tools and platform that allow engineers to rapidly build pub-sub applications • Write MQTT bridges and plugins that connect pub-sub infrastructure with the existing Hotstar infrastructure • Build monitoring tools to track performance and detect anomalies at scale What to Bring • Strong understanding of TCP and MQTT protocols • Proficiency with Erlang and GoLang • Experience in working with any MQTT broker. Experience with an Erlang based broker is a plus • Experience with AWS stack • Experience with Apache Kafka • Experience writing plugins and bridges for MQTT brokers • Experience with databases such as Cassandra, Redis, Redshift