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

About OpexAI
About
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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Position = Java Developer
We are looking forward to hire a committed Java Developer with experience in building high performing, scalable, enterprise-grade applications. You will be part of our Engineering team that works on mission-critical applications. You will be managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
You are required to:
Contributing in all phases of the development lifecycle.
Write well designed, testable & efficient code.
Ensure designs are in compliance with specifications.
Prepare and produce releases of software components.
Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
Technical Skills required
Java, Springboot, Microservices, Data structures & Algorithms, MySQL, NoSQL, Mongodb and Hibernate.
OUR CURRENT STACK
Backend: Spring (JAVA), Laravel (PHP), MySQL, NoSQL, NGINX Plus.
Frontend: Angular 5+ Ngrx/store 5
Infrastructure: Google cloud platform (App engine, CloudSQL, BigQuery, PubSub, Firebase Hosting), Scrapy Cloud, Pusher.io (websockets), Getstream.io, Filestack, Postmark app, AS2 Gateway, Google Cloud Endpoints Framework, MongoDB, Algolia, Memcache
Tools: Gitlab, Postman app, JIRA. Wondering what your Responsibilities would be? Technical Skills required O
You are where our search ends, if you hold:
B. Tech/ M. Tech or corresponding degree
Experience in the same role of almost 1-6 years
Experience with connecting backend and frontend services.
Exposure to consuming data through different interfaces (Web API's/Socket/ REST/ RESTFUL/ JSON/ XML).
Proficiency in Data Structures and Algorithms.
Understanding of web markup, including HTML 5 CSS.
Understanding of client-side scripting and JavaScript frameworks.
Ability to write clean, reusable and well documented code.
Proficient understanding of code versioning tools, such as Git.
Knowledge of API authentication techniques (Token, JWT, OAuth2) - desirable but not mandatory. (Experience with API Design will be a plus)
Fair spoken and written English Flexibility - Things change around here. FAST!
Other Inter-personal skills like self-motivation, persistency, patience and eagerness to learn and work independently.
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.
About Company:
Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.
Minimum Requirements/Qualifications:
(i) Minimum education qualification of MCA/ MSc (Computer Science)/BE/BTech (computers/ IT).
(ii) Must have at least 2.5 to 5 years of experience in application development, deployment, and testing. He/ She must possess a valid MySQL Developer or Java Developer certification, which is obtained at least six (06) months prior to the date of award of the contract to the firm.
(iii) Knowledge of Software Management Life Cycle and Software Testing viz unit testing, system testing & Integration Testing, etc.
(iv) Knowledge & hands-on experience of PHP & My SQL is a must. Additional knowledge of Post GreSQL, Typescript & Lit element, Java with Hibernate and Springs, SQL Server, Apache Tom Cat Server & relevant open-source technologies is required.
(v) Individuals must have hands-on experience in server operating systems viz Windows Server OS and RHEL. Knowledge of security concepts of web applications & Networking for undertaking necessary troubleshooting wrt applications accessibility.
(vi) Knowledge of Mobile Application Development
Key Responsibility Areas:
- Creation of new Course No, Term, and Term type at the beginning of each term. All associated Database tables and software procedures and functions are updated and recompiled.
- Management of Data Entry and Information access right to various users.
- AMC includes bug fixing, updating of application for any small policy changes.
- Regular Patch/update installation and coordinating with MIS team for identification and resolution of issues wrt application functioning and deployment
- Implementation of Cyber security policies and hardening of application
- Development of New functionalities in the application
- Regular Testing of running application functionalities and undertaking unit and integration testing of newly developed components.
- Support for making changes in the NDA internet web portal.
- AMC includes backing up of software, and database and storing it in other locations every week
- Online Multimedia Management System
- Software Wise Charter of Duties
- Cadet Suggestion/ Complaint Management System
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work withfront-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements:
● B.E/MS in Computer Science or equivalent.
● 10+ years or more of progressive software technology experience with at least 3 years
in an architectural role.
● Completely hands on with technology and architecture. Start-up experience is a huge
plus.
● Ability to quickly prototype and demonstrate technology value adds and educate + drive
adoption within the extended technology team
● Excellent and robust understanding of scalable product system architecture(s),
platforms and core technologies
● Demonstrated problem-solving and leadership skills to pursue correct engineering
process in adverse conditions. Ability to embrace and demonstrate leadership beyond
ownership
● Work with engineering leadership to setup and manage processes.
● Track record of thought leadership and out of the box thinking in the technology arena.
● Ability to work efficiently in an entrepreneurial and in a start-up environment
● A Java/Spring/Akka, Javascript or Golang rockstar.
● Deep and hands on knowledge of some of these technologies - MySQL, NodeJS,
message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra,
Arango, distributed caches such as Redis/memcached, container technology such as
Docker and Kubernetes etc.
● Great proficiency in distributed systems design, with an ability to make the right
trade-offs for creating future-proof solutions.
● Building quick PoCs and full-fledged solutions with various AWS managed services would
be a big plus.
Technical Skills :
Java, Spring Boot, MySql, CI/CD Automation.
UI Scripting,NPL/ML

Job Summary :
As a Software Development Engineer, you will be responsible for end-to-end delivery of software components all the way to production. In this position you will partner with our globally distributed cross-functional teams, product managers and other internal stakeholders. This position requires understanding business & technical requirements, designing clean solutions, implementing them and managing these systems. A key aspect of the role is to understand the digital commerce businesses part of KBX and implement technology systems that favourably align with business initiatives and requirements. The position will be evaluated in terms of the quality of the technology development, ongoing management of the systems and impact on business metrics.
Responsibilities :
- Work closely with cross functional teams to and deliver quality technology solutions
- Operational rigor for a rapidly growing tech stack and live portals
- Regular communication with management on status and risks.
- Measure success metrics and influence evolution of the tech product
- Be resourceful and find creative solutions to complex technical challenges.
Basic Qualifications :
- Ability to understand business requirements and build technology solutions that factor in the business requirements completely
- Possess an extremely sound understanding of basic areas of Computer Science such as Algorithms, Data Structures, Object Oriented, Databases.
- Excellent coding skills
- Great problem solving skills and propensity to learn and develop tech talent.
- Bachelor’s degree or higher in Computer Science and years of Software Development experience
Preferred Qualifications :
- Understanding on Web programming is must; full stack experience would be a plus.
- Understanding on AWS Cloud Stack (EC2, Lambda, Dynamo DB, Aurora) would be a plus
- Knowledge of serverless development
- Excellent verbal and written communication skills.
Experience:4-7years
Package: Exp- 3.5X max
Location: Hyderabad Location (WFO)
Skillset: Java developer with spring boot and microservices
Note: If you get selected you need to come and work in the office Hyderabad location
Java Full Stack Developer
Notice Period: 45 days / Immediate Joining
Banyan Data Services (BDS) is a US-based Infrastructure Services Company, headquartered in San Jose, California, USA. It provides the full stack managed services to support the business applications and data infrastructure
We are looking for a Java Full Stack Developer who has the expertise and deep knowledge of frameworks and tools used in java and who works end to end on the application stack, right from developing the front end, the back-end module & the database.
It's a once-in-a-lifetime opportunity to join our start-up run by a world-class executive team. We are looking for candidates that aspire to be a part of the cutting-edge solutions and services we offer that address next-gen data evolution challenges
Key Responsibilities
· Ability to write high-quality code efficiently
· Design and develop new services or micro-services.
· Participate in planning and management of development process.
· Share architectural design vision with both technical and non-technical team members, including fellow engineers.
· Works on improvements in development toolset including testing frameworks, deployment scripts, and monitoring libraries.
· Experience solving complex problems and implementing solutions for performance and scalability.
· Write clean, well-structured and maintainable code with automated test coverage and corresponding documentation.
· Explore new latest relevant technology, techniques, frameworks, tools, methodologies, and processes.
· Comfortable working with all aspects of software development; including DevOps, quality assurance, research, and design.
Key Requirements
· 3+ years of experience working with Core Java, Spring framework & Spring Boot, Hibernate, Spring Data JPA.
· Knowledge of microservices architecture is mandatory.
· Must have worked on Java Multi-threading & Java NIO.
· At least 1-year of experience with front-end technologies like Angular, React, Vue.js applications.
· Exposure to any of relation database technologies MySQL, Postgres, Oracle, or any No-SQL database.
· Strong knowledge of Web APIs.
· Experience with agile application development.
· Having knowledge of O Auth 2.0 JWT is a plus.
· Proficiency in one or more modern programming languages i. e. Java or J2EE, Python, Go, React.
· Experience in Cloud Technologies including AWS, containers, and Kubernetes.
· Demonstrated experience in performing DevOps for platforms.
· Strong Skill sets in Data Structures & Algorithm in using efficient way of code complexity.
· Passion for learning new technologies and the ability to do so quickly
http://www.banyandata.com" target="_blank">www.banyandata.com
Job title- SSE/Associate Technical Lead/Technical Lead
Experience
-
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Extensive product development experience
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4-8 years experience in back end Java Development
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Possess advanced knowledge of object-oriented design and development (OOA/OOD).
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Team task assignment, mentoring and helping resolve issues
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Self-starter, ability to work with minimal supervision.
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Skilled at working collaboratively in a team-oriented environment.
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Excellent problem-solving skills. Curious and adept at researching project-related issues and challenges.
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Excellent debugging skills
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Experience in SOA and microservice deployment model.
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GWT development experience
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Experience of working in an Agile development model
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Mixed experience in different type of organizations - product start up and large enterprises
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Other Skills
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Strong Analytical skills
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Acumen for understanding customer's business goals
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Process oriented- Following current processes and partner in process improvement.
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Data oriented- Using data and knowledge base for solving current problem at hand and creating software knowledge base for future use.
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Ability to juggle multiple development and design tasks simultaneously.
What you'll do
Technology is at the heart of our organization. We have a strong engineering team and we're looking for an experienced engineer to lead our backend engineering team. As part of the tech team, you will Understand product requirements and brainstorm ways to address them
- Lead large initiatives and be responsible for it
- Mentor teammates
- Set and enforce standards for writing and maintaining efficient code
- Influence team decisions in the overall architecture and practices of the company
- Contribute to company growth by participating in hiring activities
What you'll need
Must-haves
- At least 4 years experience in a product based company
- Experience working with distributed environments at scale
- Strong command on at least one Object Oriented Programming language
- Experience leading developers for large scale products
- Demonstrated capability to design and architect products built for scale
- Deep knowledge of multiple AWS services
- Experience with Docker and Kubernetes
Good to have
- Experience with at least one among C++, Java
- Experience with Linux file systems
- Familiarity with agile development methodologies
Why us
We're hiring a set of highly skilled, enthusiastic, and passionate people who thrive in a high-growth environment. We believe the best way to grow is to give everyone the opportunity to pursue their interests. At Lucidity, you have complete freedom to work on projects that interest you. Plus, with benefits like flexible hours, company offsites, unlimited leaves, we ensure you enjoy the journey as much as we do. We are also offering healthy founding team ESOP's.







