Java Developer - Tech Lead level

About Embibe
At Embibe, we have just one mission - to truly personalize education. Because every child deserves it. This has led us to embark on this noblest of journeys to deliver life and learning outcomes for every student! Rooted in consumer behavior, we are leveraging AI and Data Science to deliver personalized achievement journeys for every student.
We are a tribe of intellectually fierce people from diverse backgrounds, focused on building cutting-edge products that empower everyone in the education ecosystem - students, teachers, educational institutes and parents. We enable a deeper understanding of student behavior, their strengths and weaknesses through analysis at a granular level. It is this shared vision of democratizing and personalizing education that unites us all.
Embibe is powered by AI and data science algorithms, using these contents being recommended across platforms and millions of learning outcomes delivered to students. Since its inception, millions of students have used the imbibe platform for learning concepts and outcomes. Academic users have spent 52mins on average with an average of 3 sessions daily. Embibe has been launched for 12 languages across India with support for 361 Exams (English), and 120 Exams (Hindi) for K6-K12 having 22.6L+ Qs and 58k+ Tests, 29k videos, 50k+ 3D assets. Embibe is the world's largest live online public sector implementation in edtech for test preparation, NTA app which is powered by Embibe has 3.1Mn+ downloads, and 14.3Mn hours spent by users with total 13.4Mn sessions and 1.64Bn attempts.SchoolApp is currently being used by 1000s of schools across India and we are planning to scale it to 100Mn students with 1Mn schools with 10Mn teachers in the period of the next 3yrs.
Prerequisite
We are looking for a Software Engineer across levels who have ever contributed to any large-scale systems be it content platform e.g. Quora/Medium, streaming platform e.g. Netflix or Hotstar, activity log system e.g. Twitter feeds or payment systems like Razorpay to name a few. I/O, Read-Writes, DB connections, Distributed Locking, Memory, Bandwidth, High Throughput, Low Latency and minimal CPU cycles excite you!! You are deep thinkers and can bring ideas to the table, before starting writing the code!!
Interested? We'd love to hear from you.
Who are you?
● 2-14yrs years of relevant large-scale product company experience ideally in a fast-moving B2C/B2B environment.
● Programming. Proficiency in object-oriented and multi-threaded programming in at least one of the following languages: Java, Python,React.js, Node.js, Next.js, PHP, Golang etc.
● Deep understanding & experience of high-performance web-scale & real-time response systems, and large scale distributed systems.
● CS Fundamentals – exposure to a wide variety of problem spaces, Good in Data Structures and Algorithms Design, Problem Solving.
● Open source contributors and can do quick POC of technologies will catch our eyes.
● Expertise in designing, implementing and operating distributed Systems architectures and concepts, especially on public cloud infrastructure (AWS/Azure)
● Demonstrated expertise in applying systems patterns (e.g., Client-server, N-tier, Master/Slave, MVC) and API constructions (e.g., Swagger, OpenAPI).
● Experience in a high-availability 24/7 environment (cloud platforms are a plus). Expertise should include several of the following:
○ High-performance,up-time (99.999%) and self-recoverable systems.
○ Control, orchestration and automation platforms leveraging containers or VMs. ○ RPC frameworks (e.g., Protobuf/gRPC, Thrift, Bond)
● Experience with one or more Data Stores like (MySql, Postgres ) and NoSQL DataStores ( Mongo, Cassandra, Scylladb, Hbase, Redis, Aerospike etc.).
● Experience with Agile software development, TDD, and Continuous Integration. ● Experience in building Web/RESTFul/GraphQL services.
● Sound knowledge of *Nix, ORM(Hibernate, JPA), Spring ecosystem, Messaging platforms like Kafka/RMQ, build framework like Maven/Gradle etc.
● Very strong system design and object-oriented skills with a nifty ability to craft clean interfaces and operate at the right levels of abstraction.
● Solid coding skills with the ability to drive teams through massive refactoring exercises & improve coding standards across large code bases.
● Deep knowledge, understanding & experience of working with a large variety of multi-tier architectures. Awareness of pitfalls & use cases for a large variety of solutions. ● Exposure to complete product development cycles – from inception to production to scaling up, supporting new requirements, and re-architectures.
● Having experience building web infrastructure in cloud environments (such as AWS or Azure/GCP) is a plus. You understand and are always excited about learning new e.g.docker, Kubernetes.
● Education. M.Tech/M.Eng in Computer Science/Engineering or B.Tech/B.E in the same disciplines with equivalent years of experience would be a plus.
We'd particularly love it if:
● You’re a steward for engineering quality, reliability, scalability, availability, maintainability, flexibility habits and mindset in the organization under your purview, You know SOLID,12 factor App and Design Principles which you can apply or help the team in applying as needed. You can assure that our architectures are consistent with industry best practices. ● Version control tools like Git, SVN etc are good to have.
● Gather, understand, and prioritize requirements, research potential solutions, rapidly build prototypes, and distill and communicate what was learned, expected risks, resources & security concerns.
● Mentoring more junior engineers to instill engineering best practices and driving high standards in documentation, code reviews, design reviews, architecture discussions and strategy roadmap development.
● Actively participate in development along with team members - creating modules & systems that can then be treated as a working reflection of the best practices.
● Set the vision of the domain architecture and technology stack for technology in your organization, You understand LLD and HLD.
● Be an evangelist for technology - drive a culture of curiosity and active debate around technology in your organization.
● Experiment with new & relevant technologies and tools, and drive adoption while measuring yourself on the impact you are able to create.
Note: We just use degrees to measure the Temperature!!

About the Role

Must haves: Strong knowledge of Object Oriented analysis and design, software design patterns and java coding principles, test driven development Proficiency in Java, Junit, Spring core, Spring Boot, Spring Data Web Services (SOAP, REST, XML, XSL) Web technologies including HTML, XHTML, HTML 5, and JavaScript. Strong communication skills -- both verbal and written All About You: • Must have exposure in building automation frameworks using technologies: Java, JUnit. • Must have experience using Agile frameworks like Test Driven Development • Must have experience in using SOLID Design principles to build clean and testable code. • Capable of contributing back to the Quality Engineering community based on enhancements and new capabilities regarding quality practices • Must have experience testing across a variety of platforms: APIs (REST and SOAP) and Standalone Java components • Ability to integrate with Continuous integration (Jenkins/Bamboo) and code coverage tools (Sonar, Clover) • Must be high-energy, detail-oriented and proactive with the ability to function under pressure in an independent environment. • Must provide the necessary skills to have a high degree of initiative and self-motivation with a willingness and ability to learn and take on challenging opportunities. • Strong communication skills -- both verbal and written – with strong relationship, collaborative skills and organizational skills. • Ability to work as a member of matrix based diverse and geographically distributed project team. Key Technology Areas: • Object-oriented design and programming, Java, J2EE, JUnit • Java Messaging Service(desired) • Open source frameworks such as Spring core, Spring Boot, Spring Data and Spring Cloud (nice to have) • Oracle, PL/SQL, JDBC, NoSQL databases like MongoDB • Web Services (SOAP, REST, XML, XSL) Preferred Knowledge: • Agile development methodology • Web technologies including HTML, XHTML, HTML 5, and JavaScript.