
Roles and Responsibilities
Code, develop, design and architect features related to the existing application. We expect you to own modules end to end and take pride in the work products you ship.
Lead from the front, when it comes to delivering high quality work products. Serve as a mentor to the team members
Create and define performance metrics. Ideate, innovate and hack through the existing systems to improve performance
Perform code reviews, set coding practices and guidelines within the team.
Make sense of the product specs, be nimble in getting the issues resolved. Be a thought leader.
Critical Functional Skills
Solid understanding and knowledge of Java/C/C++. You should understand the concepts of multithreading, I/O, messaging, instrumentation etc and their implementation in Java/Any other ObjectOriented Language.
Proficiency in the implementation of algorithms and the use of advanced data structures to solve problems in computing. A solid foundation in the principles of computer science is desired.
Ability to write clean, modular, and loosely coupled code by the use of design patterns.
He/She should be able to break down and architect complex software systems. For example
BuildCars Availability Engine for Ola.
Strong decisionmaking ability
Deep expertise in at least one programming language & tech stack.
Substantial experience in building complex and scalable solutions.
Strong object oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class level interfaces
The ability to do deep problem solving and build elegant, maintainable solutions to complex problems.
Experience leading multi engineer projects and mentoring junior engineers
Experience with full life cycle development in any programming language on a Linux platform
Comprehensive operational experience including, optimizations, deployments and tuning servers like apache/mysql/tomcat/solr
Prior experience in working with Agile software methodologies (XP, Scrum), TDD, and Continuous Integration(CI/CD) a plus.
Experience in building data driven web application design and development is a plus
Expert level experience in building a scalable, large and complex business application
.Experience Required
:Typically with an experience of 5+ years of development experience in a product firm.
Must have lead, designed, architected and delivered at least 1 project in his previous assignments independently.
Minimum Qualifications Required
Btech/MS from a reputed Institute
Deep expertise with any or combination programming languages: Java, C++, C#, Ruby, Scala,
Go any object oriented high level proprietary or open source language with strong programming constructs. We are not skill specific but go by strength in competencies Machine coding Single machine in memory program
Need a working code with functionality Readable and well designed code with right abstractions, separation of concerns,right design patterns
Performant code with concurrency and efficient data structures
Write test cases covering the happy path and edge cases
Problem Solving
Choose the right combination of data structures to solve the problem
Identify most edge cases for the problem
Identify opportunities of parallelism: utilizes multicore solutions where applicable
Design & Architecture
Distributed systems design and system interaction
Identify API signatures
LLD with class design
Solve for performance & availability

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Responsibilities
- Technical Leadership & Architecture: Serve as a technical authority, define cloud-native standards, and own end-to-end system design for complex, distributed, and high-scale solutions.
- Engineering Excellence: Lead modernization initiatives, transition legacy systems to microservices, and ensure performance, scalability, and security.
- Platform & Cloud Enablement: Champion GCP-native services (GKE, Cloud Run, Pub/Sub, BigQuery, Cloud SQL, Spanner), influence CI/CD, and drive FinOps strategies.
- Mentorship & Organizational Impact: Mentor Lead and Senior Engineers, foster engineering rigor, and collaborate with Product Management to translate business strategy into technical solutions.
Required Skills, Experience & Background
- 12+ years of professional experience building enterprise-grade software systems.
- Proven experience operating at a Lead or Principal Engineer level.
- Strong hands-on experience with Java or another major programming language (e.g., Go, Python, C#).
- Deep expertise in microservices architecture, RESTful APIs, and distributed systems.
- Strong experience with SQL and NoSQL databases and data modeling.
- Expertise in cloud-native design principles (stateless services, scalability, resiliency).
- Strong experience building and operating systems on Google Cloud Platform (GCP).
- Proficiency with containers and orchestration (Docker, Kubernetes, GKE).
- Experience with CI/CD pipelines, Git-based workflows, and observability.
- Experience with Big Data and data engineering technologies (e.g., BigQuery, Spark).
Qualifications
- Bachelor’s degree in computer science or related field (required).
- Master’s degree in computer science or related field (preferred).

Key Responsibilities:
· Design, develop, and maintain AEM-based backend solutions, components, and templates.
· Develop custom AEM Sling models, servlets, services, and OSGi components.
· Build and integrate RESTful services and APIs to support frontend and third-party systems.
· Work closely with frontend developers and AEM content authors to support dynamic content delivery.
· Develop automation scripts using Java/Python for data handling, deployment, and reporting needs.
· Implement AEM workflows, user permissions, and version control for content.
· Troubleshoot and resolve technical issues in AEM environments.
· Optimize AEM performance, scalability, and security configurations.
What You’ll Bring:
· Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.
· Proven experience delivering high-quality web applications.
Mandatory Skills
· 3+ years of experience in AEM backend development.
· Strong hands-on experience with Java, OSGi, Sling, and JCR.
· Experience with Python for backend scripting, automation, or integration tasks.
· Knowledge of AEM architecture including dispatcher, replication agents, and workflows.
· Experience working with AEM APIs, servlets, event handlers, schedulers, and custom components.
· Understanding of REST APIs, JSON/XML data handling.
· Familiarity with Maven, Git, Jenkins, and Agile development practices
Preferred Skills (Nice to Have):
· Exposure to Adobe Experience Cloud tools like Adobe Target, Analytics, Campaign.
· Working knowledge of cloud-based AEM (Adobe as a Cloud Service) is a plus.
· Basic familiarity with frontend technologies (React/Angular/HTL) is beneficial.
Key Responsibilities:
● Design, develop, and maintain high-performance, scalable, and secure backend systems using Java.
● Build and maintain RESTful APIs and microservices to support application functionality.
● Collaborate closely with frontend developers to ensure smooth integration with React/Angular-based frontend systems.
● Work with both relational databases (SQL) and NoSQL databases to design data schemas, optimize queries, and maintain data integrity.
● Leverage cloud platforms (AWS, Azure, Google Cloud) to deploy, monitor, and scale applications.
● Implement and maintain containerization using Docker and Kubernetes (K8S).
● Write unit tests for both backend and frontend code to ensure code quality and reliability.
● Participate in code reviews to maintain code quality standards and mentor junior developers.
● Contribute to a culture of continuous improvement, proposing and driving best practices in backend development, testing, and deployment.
Required Skills And Experience
● Bachelors or Masters in computer science or related fields.
● 5+ years of experience in backend development, with strong expertise in Java (must-have).
● Solid experience with frontend frameworks such as React or Angular.
● Hands-on experience with RESTful APIs, Docker, and NoSQL databases (such as MongoDB, Cassandra, etc.).
● Strong experience with SQL databases (such as MySQL, PostgreSQL, etc.), including database design, optimization, and query writing.
● Familiarity with cloud platforms (AWS, Azure, Google Cloud) and Kubernetes (K8S).
● Experience in writing unit tests and understanding of test-driven development (TDD) principles.
● Strong understanding of Agile/Scrum methodologies.
Nice to Have:
● Exposure to Automation Testing Frameworks (e.g., Selenium, Cypress).
● Experience working in a SaaS (Software as a Service) environment.
● Knowledge of Agile/Scrum methodologies.
Job Description: Java Developer for Hypertest SDK Development
[See assignment at the end as well]
Company Overview
At Hypertest (https://hypertest.co), we're not just writing code; we're rewriting the rules of software development.
Our autonomous testing tool has already transformed the NodeJs ecosystem for developers at more than 50 teams, and now we're bringing this revolution to Java with your help.
Our Mission: Save developers from the mundane. We automate test case generation, letting you bid farewell to countless hours spent on JUnit, Mockito, RestAssured, Postman, etc.
Imagine a development cycle where your focus is purely on creating, not correcting.
Role: Java Developer
HyperTest seeks a Senior Java Developer with profound expertise in Java's core mechanics and a passion for solving complex problems. This role is central to the development of our Java SDK, crucial for expanding HyperTest's functionalities. Ideal candidates will have a strong background in Java, including experience with library patching, bytecode manipulation, and observability frameworks like OpenTelemetry, New-Relic, Datadog etc.
Location
This is a hybrid position based in Gurugram.
Key Responsibilities
- Develop the HyperTest Java SDK, employing advanced Java techniques for runtime library manipulation and data mocking.
- Extend OpenTelemetry for observability and monitoring in distributed systems, ensuring our SDK integrates seamlessly with modern development ecosystems.
- Create solutions for simulated testing environments that operate in various modes without modifying the original application code.
- Serve as a Java subject matter expert, guiding the team in best practices and innovative software development approaches.
Qualifications
- Java Expertise: Extensive experience in Java, including familiarity with its internals, memory model, concurrency, and performance optimization. Not just experience with high-level frameworks, but a solid understanding of underlying principles and the ability to manipulate Java's core functionalities.
- Software Architecture: Strong grasp of software design patterns, architectural principles, and the ability to solve complex problems with efficient, scalable solutions.
- Analytical Skills: Exceptional problem-solving abilities, capable of addressing complex challenges and driving innovative solutions.
- Communication: Excellent verbal and written communication skills, essential for teamwork and collaboration.
- Specialized Knowledge: Experience with bytecode manipulation, library patching (e.g., Byte Buddy), and a clear understanding of Java's compilation and execution process.
Ideal Candidate Profile
- Not Just Another Java Developer: We're looking for someone who has moved beyond just building applications with Spring Boot or similar frameworks. You should have an experience that demonstrates a deep understanding of Java, including direct manipulation of bytecode, custom library creation, and performance optimization.
- A True Java Enthusiast: You find excitement in exploring Java beyond the surface level, delving into its internals, and leveraging this knowledge to build innovative solutions.
Technical Assessment Overview
Shortlisted candidates will complete a short technical assessment focused on:
- Library Patching and Dynamic Data Mocking: Demonstrating advanced Java skills in runtime library functionality manipulation.
- OpenTelemetry Integration: Applying observability frameworks to trace and monitor distributed systems, a key component of our SDK development.
- Simulated Testing Environments: Creating flexible testing scenarios that replicate real-world conditions without altering the original code.
- Innovative Problem-Solving: Tackling complex Java-related challenges that reflect the technical depth required for this role.
This assessment will help us identify candidates who not only have the technical expertise but also the creativity and problem-solving skills essential for success at HyperTest.
Why Join HyperTest?
Joining HyperTest means being at the forefront of the automated testing revolution. We offer a dynamic work environment, opportunities for professional growth, and the chance to make a significant impact on our product and the wider development community.
Assignment Link
https://t.ly/sp5Xa
Self-Assessment/Screening Questions
- Do you have experience with Java bytecode manipulation?
- Are you familiar with library patching techniques in Java, such as using Byte Buddy?
- Have you used OpenTelemetry or similar frameworks for observability in distributed systems?
- Do you understand how opentelemetry java sdk works?
- have you developed SDKs or libraries in Java?
- How many years of Java development experience do you have?
- How many projects have you worked on that required deep knowledge of Java's internals (e.g., memory management, concurrency)?
- After reviewing the detailed assignment at https://t.ly/sp5Xa , how confident are you in your ability to meet the technical challenges outlined, on a scale from 1 to 10?
- Experience with one of the major relational databases (MySQL, Oracle, Postgres) and NoSQL databases (Mongo DB, Cassandra, Dynamo DB or such)
- Expert object-oriented programming experience using Java
- Experience with Frontend technologies (React.js, Angular, JavaScript or Ruby-on-Rails)
- Experience in messaging protocol like MQTT and messaging middleware like ActiveMQ, RabbitMQ and/or Kafka
- Require experience and Strong understanding of entire Software Development Life Cycle (SDLC), Agile (Scrum), Software design/architecture process, CI/CD processes, unit testing & Test-Driven Development (TDD)
- Experience with web services (consuming or creating) with REST, MQTT, Web Sockets
- Experience with containerized environment Dockers, Rocket and Container orchestrator such as Kubernetes, Docker Swam, etc
- Experience managing Cloud infrastructure (resources and service) in AWS, Azure and/or GCP
- Strong knowledge of SOA, object-oriented programming, design patterns, multi-threaded application development
- Experience in reporting and analytics, queuing and real-time streaming systems
- Experience developing, maintaining, and innovating large scale, consumer facing web or mobile applications
- Git or similar distributed SCM tools experience
- Experience with open-source technologies (if no practical work experience w/ Big Data, or cutting-edge frontend technology, prototyping and/or researching the up and coming technology and solutions)
Must have experience on Java, Spring MVC / Boot, Hibernate / MyBatis
- Must have experience on building large scale application
- Must have experience on RESTful Web-Services
- Must be good in problem solving, Data structures and Algorithms.
- Strong understanding of Web Architectures, E-commerce solutions
- Strong understanding of any MySql / Postgresql
- Strong understanding of any Redis / Memcached / Mongodb / Elasticsearch
- Hands-on experience on GCP / AWS would be an added advantage
- Hands-on experience on Kubernetes / Docker would be an added advantage
- Basic knowledge of version control system like Git / Mercurial / Bitbucket
- Writes well managed and clean codes
1. Design, develop and deliver web services and jobs that powers Niki, India's first transactional bot.
2. Write code that are clean, testable, performant, scalable, documented and secure
3. Design and architect new sub-systems, idenity perf bottlenecks and suggest design/architect improvements
Qualifications:
1. Minimum of 4 years of software development experience prefrably developing e-commerce applications
2. Bachelor’s and/or Master's degree in Computer Science or related field of study
Preferred Qualifications:
1. Fluent in Java or any other object oriented programming languages
2. Knowledge of Design patterns and design principles
3. Experienced in delivering REST style web services
4. Significant experiences in asynchronous and multi-threaded programming
5. Strong CS fundamentals with good hold on DS and Algo.
Good to have:
1. Knowledge of Spring
2. Experience with AWS, Azure or Google Cloud









