
Ruby on Rails Full Stack Engineer
Job Description:
TeamExtn is looking for a passionate Ruby on Rails Engineer. It will be expected from you to build pragmatic solutions on mission-critical initiatives. If you know your stuff, see the beauty in code, have knowledge in depth and breadth, advocate best practices, and love to work with distributed systems, then this is an ideal position for you.
Does this click with you:
- 8 hour work day
- You know your stuff...
- Believe in quality more than deadlines
- Flat hierarchy
- Set the ground rules
- Become a part of the expansion
- Flexible working hours
- You will be responsible for:
- Collaborating on the design decisions
We are looking for:
- 3 of overall software development experience with Ruby on Rails
- Expertise working on SQL and No-SQL databases
- Experience using HTTP and AMQP transport mediums and streaming technologies like Kafka
- Inner-drive to take the team to the next level in a fast-paced environment
- Familiarity with Frontend libraries like React.js is big plus
Interview Process:
We schedule a technical round that can go up to 2 hours, where we have technical discussions plus remote pairing sessions.
We double-check the potential team member is a culture fit. Culture fit is as important to us as writing code. Once we know that you are a great fit, we discuss and finalize numbers on the same call. You will have three days to take up the offer.
TeamExtn is a niche software consulting agency to implement pragmatic solutions that believes in getting the work done more than talking big. Come and join us in our growth journey.
Location:
Mumbai preferred; remote is an option

About TeamExtn
About
Teamextn builds you the right team to deliver software products successfully. We work with you on the design, development, deployment, and maintenance of your products. We see beauty in code and at the same time, understand things from the business side.
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🚀 We're Hiring | Java Lead | Bangalore
Are you an experienced Java Lead passionate about building scalable, cloud-native enterprise applications? We're looking for a hands-on leader with strong expertise in Java, Spring Boot, Microservices, and modern backend technologies to drive high-impact development initiatives.
📍 Location: Bangalore
💼 Employment Type: Contract to Hire (C2H)
🧑💻 Experience: 8+ Years
Key Responsibilities
- Design, develop, and maintain high-performance Java-based applications using modern frameworks.
- Lead the development of scalable microservices and RESTful APIs.
- Collaborate with cross-functional teams to deliver robust, secure, and high-quality software solutions.
- Build and optimize backend services with Spring Boot, Spring MVC, and Spring Security.
- Develop efficient database solutions using SQL and ORM frameworks such as Hibernate/JPA.
- Integrate messaging systems like Kafka or RabbitMQ for event-driven applications.
- Participate in architecture discussions, code reviews, and technical mentoring.
- Implement CI/CD pipelines and containerized deployments using Docker, Kubernetes, and Jenkins.
- Ensure adherence to coding standards, best practices, and Agile methodologies.
Required Skills
- Strong hands-on experience with Java 8/11/17
- Expertise in Spring Boot, Spring MVC, and Spring Security
- Strong understanding of Microservices Architecture
- Experience in developing REST APIs
- Hands-on experience with Hibernate/JPA
- Strong SQL skills with MySQL, PostgreSQL, or Oracle
- Experience with Kafka or RabbitMQ
- Proficiency with Git, Maven, and Gradle
- Experience with Docker and Kubernetes
- Exposure to AWS, Azure, or GCP
- Experience with Jenkins and CI/CD pipelines
- Strong knowledge of design patterns and data structures
Preferred Skills
- Experience with Spring WebFlux and reactive programming
- Knowledge of MongoDB or other NoSQL databases
- Familiarity with Agile/Scrum methodologies
- Experience with JUnit and Mockito for unit testing
Educational Qualification
- Bachelor's degree in Computer Science, Information Technology, or a related field.
📩 Interested candidates, please share your updated resume.
Key Skills & Requirements
- Strong proficiency in Java 11 and above
- Hands-on expertise in Spring Boot and Microservices Architecture
- Strong Programming, Analytical, and Problem-Solving skills
- Proficiency with NoSQL Databases (MongoDB, Cosmos DB) and RDBMS (SQL/Oracle/Postgres)
- Experience with Messaging Queues (RabbitMQ/Kafka)
- Good understanding of Functional and Domain knowledge
- Expertise in Project Architecture & Data Flows
- Proficient in CI/CD tools (Jenkins or equivalent)
- Strong experience with Testing Frameworks: JUnit, Mockito, Cucumber, BDD
- Basic knowledge of Cloud Platforms (Azure / AWS)
- Familiarity with Project Management Tools – JIRA, Confluence, ServiceNow
- Monitoring tools knowledge like New Relic, Splunk, Nagios (good to have)
Responsibilities
- Design, develop, and maintain scalable backend applications using Java 11+ and Spring Boot
- Build and manage microservices-based solutions ensuring high performance and low latency
- Collaborate with cross-functional teams to define, design, and ship new features
- Implement best practices for CI/CD pipelines and automate deployment workflows
- Ensure code quality through unit testing, integration testing, and BDD practices
- Work with databases (SQL/NoSQL) for data modeling and optimization
- Monitor, troubleshoot, and enhance system performance using tools like Splunk, New Relic, Nagios
- Provide technical guidance and mentorship to team members
Minimum 7-12 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Experience in scripting&buidling required automation using puppet
Build and Development of CI/CD pipelines
Wrote maintained, reviewed and documented modules and GIT repositories for puppet enterprise on RHEL
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!!
Software Engineer
Responsibilities
- Work with a performance oriented team driven by ownership and open to experiments.
- Learn to design systems for high accuracy, efficiency and scalability.
- Help us make decisions to shape our REST APIs for developers worldwide
- Think outside the box, adapting the latest software technologies
- Contribute to open source
- Be involved and drive product & design discussions.
- Contribute to our technical innovation by learning and sharing your knowledge with our Engineering teams
Requirements
- Graduation in any technical stream
- A minimum of (3 to 5 ) years of relevant experience
- Ability to work at all levels of the stack, from Golang/NodeJS+NoSQL/SQL to React/+HTML+CSS+Azure/AWS
- Good architectural & design skills.
- Take full ownership and responsibility for building, shipping, and maintaining core LoginRadius features, end to end.
- Design and architect complex new systems, focusing not only on performance and scalability, but also on crafting a beautiful user experience.
- Experience in Docker/Kubernetes is a plus
- Ability to build a feature from scratch & drive it to completion
- A willingness to learn new technology, whatever lets you deliver the best product
- Have worked at a product company is a plus
We are looking for a Back-end developer to join our engineering team and help us develop and maintain various software products.
Experience: 0-2 years
Prerequisites:
- In-depth understanding of web development process
- Familiarity with Java and Spring frameworks preferably Spring Boot
- Familiarity with Node JS
- Basic understanding of front-end technologies, such as JavaScript, HTML, CSS.
- Experience with working on REST API (GET, POST, PUT, PATCH, DELETE, UPDATE)
Job Description
The duties and responsibilities of a selected applicant would include:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Design and implement low-latency, high-availability, and performance applications.
- Develop back-end components to improve responsiveness and overall performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Perform UI tests to optimize performance
- Test and debug programs
- Implement security and data protection solutions
If you have the desire to be a part of an exciting, challenging,+ and rapidly-growing company, and create the finest apps in a flourishing industry, please send in your applications on:
Passionate about getting things done mindfully, rationally.
Good understanding of OOPS and Data structures
Proficiency in Python with at least 3-4 years of relevant experience
Solid understanding and deep knowledge of Flask, Docker, REST API's.
Knowledge of Databases - PostgreSQL
Working experience with Test Driven development
**Good to Have:**
Knowledge of Redis, Celery
Knowledge of Microsoft Azure.
End to End application Design, Development and Deployment
**Responsibilities:**
Interact and identify the gaps that exist between various products used in Airprobe and their needs.
Architect and build applications to address those gaps.
Create and improve the design, analytics, coding and testing for high-quality software and new products.
Write clean, maintainable code following best practices (unit testing, source control, continuous integration, automation, design patterns, etc.)
Debug code and troubleshoot problems
Build automation scripts/DevOps/CI-CD pipeline for the application over Azure.
**Expectation:**
Start up Culture, Push the Boundaries, Leadership Qualities, Problem Solving
Responsibility Driven: We’ll ask you to take end to end ownership of whatever you are doing. We believe that the best comes out of you when you ship something end to end.
You know how to maintain balance between perfectionism and pragmatism.
You are research oriented, and love to explore ways to find things that you don’t already know
The founder is a qualified physician an innovator at heart. He has immense experience in health management sector and has worked for international healthcare organizations.
- Defining code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Addressing and improving any technical issues
- Collaborating well with engineers and researchers to design and create advanced, elegant and efficient systems
- Designing and maintaining large and complex databases, both relational and non-relational databases.
- Writing, testing, and releasing world-class, production-ready code.
- Deploying applications on AWS cloud with the ability to quickly debug hosting related issues.
What you need to have:
- Previous working experience as a software developer in Product based company
- Strong in Object Oriented Javascript, ES6, Typescript, HTML 5, CSS3, SASS/ LESS.
- In-depth knowledge of NodeJS, ExpressJS, and MongoDB
- Experience creating front end applications using HTML5, Angular6+, CSS, LESS/ SASS
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/ CD practices.
- Good logical thinking and quick at learning and exploring new frameworks
- Bachelor’s degree or equivalent experience in Computer Science 4-6 years of industry experience
- Able to meet deadlines
- Leadership experience
- Strong communications skills
Experience: 4 to 8 years
Annual CTC: Rupees 12,00,000 to 20,00,000










