Java Developer

JOB DESCRIPTION

Experience: 3-8 years

Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 3-8 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts

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

1. Do you have experience with Java bytecode manipulation?
2. Are you familiar with library patching techniques in Java, such as using Byte Buddy?
3. Have you used OpenTelemetry or similar frameworks for observability in distributed systems?
4. Do you understand how opentelemetry java sdk works?
5. have you developed SDKs or libraries in Java?
6. How many years of Java development experience do you have?
7. How many projects have you worked on that required deep knowledge of Java's internals (e.g., memory management, concurrency)?
8. 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?

Are you a fun loving and passionate to be a part of Global Innovator team? Are you planning to grow your career, which enhance your skills in technology? A career at SmartDocs can open many doors for you in the world of technology. If you are looking for a company that is dedicated to your ideas, recognizes you for your unique competency & contributions and provides a fun, flexible and delightful work atmosphere.

Then, we are the right place to ignite your passion. We are totally committed about our employees, our Clients & Customers, our work culture and especially our technology. We are a flat organization where opportunities are provide based on talent and we always encourage new ideas of employees through collaboration and creativity.

We are seeking for smart-driven JAVA Programmer’s to join us. The candidate will work with the global product development team and subject matter experts. An ideal candidate must possess excellent business skills with outstanding Analytical & logical skills, professionalism, Intelligent and should have the zeal to learn.

Desirable Skills & Expertise:

• Master’s or bachelor’s degree in Engineering (CSE / IT / MCA / Software) are preferred.
• Possesses intellectual humility; smart-driven, creative and able to learn things from slipups, willing to raise others up.
• Excellent Logical & Analytical skills with integrated professionalism at all levels.
• Strong Knowledge in Java, Frame-works like Spring, Spring boot; J2EE technologies like Servlets, JSP and Web Application Server.
• Good knowledge in web technologies like HTML, Java Script, XML and CSS.
• Candidates must be team players, have a thirst for knowledge, the energy to work in a fast-paced environment and a desire to grow in an entrepreneurial company.

Key Responsibilities:

• The role is responsible for designing, coding and deploying of high-performance applications.
• Excellent interpersonal, Communication and effective organizational skills with solid technical skills.
• Should be able to communicate effectively with both technical and non-technical personnel.
• Excellent trouble shootings & problem-solving skills.
• Practical Knowledge with SDLC from requirement analysis through testing and deployment is a plus.
• Devising possible solutions to anticipated problems.
• Develop and maintain strong product knowledge.
• Guide the clients through various stages of the project and transition to support organization.
• Review existing business processes and participate in the Process Improvement Program.

• New features developed independently with the ability to document the design after understanding and evaluating the requirements with necessary groundwork on required application components
• Hands-on coding to implement the design for feature completion
• Able to write unit tests that ensures bug free code
• Able to handle the multi-tenant and performance requirements of the new features and applications.
• Integrate the new features with existing modules, deliver ready to use code meeting necessary build requirements and CI/CD requirements.
• Work with other functional groups for product, technology, QA, tech support and deployment team.

‍

The ideal candidate must have the following qualifications.

• BE/B.Tech Degree from a reputed institution with at least 7 years of relevant experience
• Hands-on experience with Core Java, J2EE with a good knowledge of its ecosystem
• Experience with JUnit, JMH like performance tuning test tools preferred
• REST API design and development experience. Usage of Swagger or other API spec tools would be preferred. Working knowledge on Spring Boot is a plus
• Hands-on experience with some of the following application components is a plus: Solr, Kafka, OpenTSDB, Elasticsearch, Janus graph or any graph DB.
• Experience with databases such as MongoDB, MySQL or PostgreSQL required.
• Familiarity with continuous integration and build tools such as Jenkins or CircleCI, Maven, Ant required
• Experience building applications using microservices architecture is highly preferred. Knowledge of Kubernetes, Docker would be ideal
• Working knowledge on public clouds like AWS or Google cloud or Azure is a plus
• Experience building scalable systems
• Strong problem solving skills and ability and interest to solve complex problems
• Interest in machine learning (ML) data science is a plus

Responsibilities

• Help define Technical Roadmap and own the entire product delivery end to end
• Work very closely with various business stakeholders to drive the execution of multiple business plans and technologies
• Improve, optimize and identify opportunities for efficient software development processes
• Hire, Develop and Retain a strong team of engineers
• Keep abreast of the changes in the industry and champion new technologies and development processes within the team
• Thinking backwards from a customer POV and relentlessly pursuing customer's cause in tech and product decisions

Apply If You have:

• Graduation/Post Graduation degree in Computer Science (IITs, IIITs and NITs preferred)
• 6-10 years of strong experience in JAVA(Spring/Hibernate/JPA/REST), JavaScript, NodeJS with good exposure to MySQL
• Experience with AWS, Microservices, Caching, Performance Optimization, Nginx, Solr, Redis, Redshift
• Experience working with agile teams and making rapid decisions in dynamic and disruptive environment
• 2+ years of leading and managing a team consisting of backend, frontend and QA.
• Hands on writing and reviewing code
• Exceptional design and architectural skills
• Strong communication skills
• High motivation to work in a fast paced, dynamic, collaborative team environment

Responsibilities:

• Crawl the internet/intranet for issues people are facing and convert them in to stuctured data that would be consumed downstream.
• Familiar with the software development life cycle (SDLC) from analysis to deployment.
• Comply with coding standards and technical design.
• Adapts structured coding styles for easy review, testing, and maintainability of the code.
• Integrate the developed functionality and/or component into a fully functional system.
• Ensure unit and integration level verification plans are in place and adheres to the great quality of code at all times.
• Actively participate in troubleshooting, debugging and updating current live system.
• Verify user feedback in making the system more stable and easy.
• Work closely with analysts, designers, and other peer developers.

Requirements:

• Bachelor's degree in computer science or equivalent practical experience.
• Understanding of OOPS concepts, Persistence, Threading.
• Good understanding of version control system (GIT).
• Knowledgeable in data structures and algorithms.
• A background in Engineering with sound oral and written communication skills.
• 6+ years of experience working on the server-side.
• Exposure to API designing, scalable architecture, and thorough understanding of systems.
• Great database modeling skills.
• Working knowledge of Databases, both relational (such as PostgreSQL) and in-memory database (such as Redis).
• Good understanding of web stack and how all the pieces fit together.
• Experience with open-source projects.
• Experience in designing interactive applications.

Job description:

Amazon’s Worldwide Consumer Engagement organization brings customers to visit amazon websites, engage them on site and help them purchase from Amazon’s retail sites. This is achieved through highly personalized messages delivered via all available large scale communication channels—both free and paid and offering engaging experience on website. The organization builds, operates, and improves the technology systems that power all marketing channels, and manages prioritization and marketing spend decisions. Consumer Marketing consists of a series of single-threaded technology and business teams, each of which owns the entirety of a channel of communication or customer segment: natural and paid search (i.e. SEO and SEM), affiliate marketing (Associates), display advertising, email, browser integration, and mobile marketing, retail customer experience technology teams.

This position is for a technology leader in Affiliate Marketing Technology group for attribution team. This team owns business critical systems that are responsible for attributing traffic to marketing channels and thrives on innovation to provide rich analytics to its internal and external customers. As a leader on the team, you will be responsible for tier1 critical systems, guide your team through the design, development, testing, and deployment of a range of products involving big data processing and dealing with near real time SLAs. You will have to deal with challenges of high availability (five 9s) guarantee, low latency and high throughput. In addition, you will build and manage roadmaps for software teams, developing cutting edge experiences. You will have sound technical acumen, excellent project management skills, great communication skills, and hire, build, and develop your team. You are a true owner - you are deeply interested in product design, architecture, and you innovate relentlessly on behalf of our customers.

This position offers the opportunity to collaborate with our business teams across the world and other tech teams in Bangalore as we raise the bar in delivering innovation.

Primary responsibilities: 

• Provide technical expertise and leadership throughout product life cycles, influence software engineers best practices for your team and own operational metrics 
• Work with business leaders and product managers to define product requirements. 
• Prioritize, communicate, maintain, and execute roadmaps, project plans, and commitments 
• Work with engineers to define technical requirements and architect and execute best-in-class implementations in agile manner 
• Build and maintain world-class customer experience and operational excellence for your deliverables 
• Hire, manage, mentor and grow a high performance team of Software Engineers

Basic Qualifications:

• Bachelors/Masters degree in Computer Science or related field
• 10+ years professional experience in software development management
• Proficiency in, at least, one modern programming language such as Java, Scala, C#, C++ etc 
• Ability to solve complex technical problems and design robust, scalable solutions
• Ability to think critically and actively contribute to strategic choices.
• 3+ years experience in managing development teams working on multiple simultaneous projects.
• 3+ years experience in managing large scale software development teams following Agile development processes. 
• Strong skills in project planning & execution, problem solving. Ability to take a project from initial scoping requirements through actual launch and support of the project
• Proven leadership and teamwork skills
• Excellent verbal and written communication skills in both technical and non-technical discussions.

Preferred Qualifications: 

• Deep, hands-on technical expertise in high scale, service-oriented architectures
• Exposure to Elastic Map Reduce and Machine Learning programs. 
• Ability to handle multiple competing priorities in a fast-paced environment
• Knowledge of professional software engineering practices & best practices for the full software development life cycle including coding standards, code reviews, source control management, build processes, testing, and operations
• Clear, professional communication skills able to contribute to team discussions, knowing when to contribute, when to listen, and when to ask questions
• Proactively and continually improve their level of knowledge about Amazon’s business and relevant technologies, and use this knowledge to deliver high quality, accurate software deliverables
• Strong business and technical vision
• Good understanding of web services