Core Java - Multithreading, Exception handling, Garbage collection.
at OpexAI

About OpexAI
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We at opexAI strive to make business strategies and provide effective solutions to your complex business problems using AI, machine learning and cognitive computing approaches. With a 40+ years experience in analytics and a workforce of highly skilled and certified consultants, we provide a realistic approach to help you chart an optimal path to success.
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🚀 Hiring: Java Developer at Deqode
⭐ Experience: 4+ Years
📍 Location: Indore, Pune, Mumbai, Nagpur, Noida, Kolkata, Bangalore,Chennai
⭐ Work Mode:- Hybrid
⏱️ Notice Period: Immediate Joiners
(Only immediate joiners & candidates serving notice period)
Requirements
✅ Strong proficiency in Java (Java 8/11/17)
✅ Experience with Spring / Spring Boot
✅ Knowledge of REST APIs, Microservices architecture
✅ Familiarity with SQL/NoSQL databases
✅ Understanding of Git, CI/CD pipelines
✅ Problem-solving skills and attention to detail
• 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.
About the role:
We are seeking a highly motivated Senior Software Engineer with expertise in building scalable, extensible applications, identifying and addressing performance bottlenecks, collaborate with other team members to innovate current/new products; Identify, communicate and implement best practices for application engineering. Our engineering process is fully agile and has a really fast release cycles - which keeps our environment very energetic and fun.
What you’ll do:
- Architect, Design and build scalable applications.
- Work with Product Management teams to get maximum value out of existing data.
- Contribute to continual improvement by suggesting improvements software system.
- Ensure high scalability and performance
- You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.
- Ability to deliver great results in an agile development
- Strong verbal and written communication skills
We’d love for you to have:
- Experience: 3-5 years of experience as a backend developer is required
- Education: B.Tech. in Computer Science from tier - 1 engineering colleges in India
- A self-starter who is passionate about problem solving across complex technology stack.
- Highly skilled back-end engineer using Object-Oriented programming preferably Java, exposure to open source libraries and frameworks.
- Strong knowledge and experience in REST based programming using Restlet framework.
- Ability and experience in evaluation and integration of third party systems and libraries.
- Experience in system architecture, data structures, algorithm design and their optimization.
- Passion for performance benchmarking and debugging.
- Strong knowledge of web standards (i.e. REST/SOAP) concepts
- Knowledge of version control (GIT) and databases (MySQL)
- Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple location organization).
- Experience in Test-driven development.
Roles and Responsibilities
- Ability to work on diverse backend stack such as Node JS, Java, Express JS
- Ability to work on diverse frontend stack such as React JS, Angular 6/7/8/9, HTML5, CSS3
- Ability to deliver quick POC’s using cutting edge technologies.
- Preparing reports, manuals and other documentation on the status, operation and maintenance of software.
- Design, develop, and unit test applications in accordance with established standards
- Developing, refining, and tuning integrations between applications. Analysing and resolving technical and application problems.
- Ability to debug application.
- Should have complete knowledge on developing RESTful Services.
- Should be able to also work in agile development methodology.
Competency Requirements
- Experience in NodeJS, Java and development using AngularJS / ReactJS
- Experience in front end frameworks such as Angular.js, React.js, Bootstrap, Foundation etc
- Experience in client/server application development
- Knowledge of agile development methodologies
- Knowledge of unit testing theory
- Knowledge of AWS cloud
- Experience in Java, Python and Go will be added advantage
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Developing ideas for new programs, products, or features by monitoring industry developments and trends.
- Recording data and reporting it to proper parties, such as clients or leadership.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Taking lead on projects, as needed.
- Mandatory skills: Spring boot, Hibernate, Microservice
- Strong Java skills including Java 8 features
- Good understanding of Microservices-based architecture and the related ecosystem
- Exposure to MS SQL Server, Sybase etc. and NoSQL databases like MongoDB is also preferred.
- Great OO skills, including strong design patterns knowledge
- Strong knowledge of software best practices, like Test-Driven Development (TDD) and
- Continuous Integration (CI)
- Strong Knowledge of Data Structures & Algorithms
- Experience in working with data-driven RESTful APIs using web frameworks like SpringBoot,etc.
- Should be able to do data modeling
- Good understanding of ORMs like Hibernate, JPA, etc.
- Strong debugging skills
- Familiarity with architectural/ design patterns
- Advanced knowledge of Agile methodology.
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










