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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Skills Required:
- Experience of more than 4 to 6 years in software development.
- Very Strong Experience in Core Java.
- Excellent Java Programming skills Experience in Data Structures, Algorithms and Design Patterns.
- Strong in Problem solving, Analytical skill and logical thinking.
- Skill to be trained: java, spring, mango db, cassandra.
- Strong experience in Spring Boot, Restful API
- Looking for shorter notice period candidates only.
Java Developer (6+ Years Experience)
We are looking for an experienced Java Developer to join our dynamic team for an exciting project with a leading client.
Role Details:
Location: Bangalore
Key Requirements:
6+ years of hands-on experience in Java development
Strong expertise in Core Java, Spring Boot, Microservices
Experience with REST APIs & backend development
Good understanding of databases (SQL/NoSQL)
Familiarity with Agile methodologies
Requirements
- Senior SD4 engineer/Principal Engineer/ Architect who has led or been part of platform teams inside a large/mid tech company
- Deep expertise working with any of the programming languages to write maintainable, scalable, unit-tested code.Python experience is a bonus - but not required
- Good understanding of REST APIs and the web in general and ability to build a feature from scratch & drive it to completion
- Experience with Kubernetes, Prometheus, Grafana, ELK stack, Load Balancing
- Experience in building a platform team on AWS for Product based companies/start-ups
What You’ll Do
- Build the core technology platform, including Automated provisioning of infrastructure, deployment, and monitoring of services
- Build a central services directory within an organization that shows the cost and health of all services and makes the management of microservices extremely easy
- This involves working with core infrastructure and understanding them in great detail - like Kubernetes, ServiceMesh, Service security
- Mentor/coach engineers to facilitate their development and provide technical leadership
Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard.
For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements.
Job responsibilities
- You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns
- You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible
- You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
- You will create large-scale distributed systems out of microservices
- You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way.
- You will apply the latest technology thinking from our Technology Radar to solve client problems
- You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development
- You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills
Job qualifications:
Technical Skills
- You have experience using one or more development languages (Java, Nodejs, React, TypeScript, JavaScript, etc.) with experience in Object-Oriented programming
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban
- You have a good awareness of TDD, continuous integration and continuous delivery approaches/tools
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
Professional Skills
- You enjoy influencing others and always advocate for technical excellence while being open to change when needed
- Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
Other things to know:
Learning & Development
There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.
MCA /B.E/B.Tech/BCA
Experience
3-4 years: 2 Position
Core Skill Sets
Core Programming Language*: JAVA 7/8 or above
o Command on basics/core.
o Knowledge of OOPS concept.
o Problem solving skills using Collections/Java Beans/OOPS concept.
Web Programming Language*: J2EE
o Knowledge of MVC architecture [Servlet (or) Struts 2 (or) Spring].
o Able to debug and deploy web-application.
Database*: Preferably Oracle/MySql
o Able to write sql queries.
o Knowledge of sql joins.
o Basic idea of stored procedures.
Additional Skill Sets
XML/JSON/CSV
o Knowledge of understanding XML/JSON/CSV documents.
Web-service
o Knowledge of understanding web-service (REST Full).
o Testing web-services via some tool (e.g. Postman).
Web/Application Server*: Apache/Tomcat/JBoss/Weblogic/Websphere
o Basic deployment experience on web applications.
OS Platform*: Linux.
o Knowledge of shell commands like create directory, change permission/owner,
move/copy files/folder, check process running and crontab.
o Knowledge to work and use putty.
Development Tool*: Eclipse/NetBeans.
Purpose of the Position
Perform day-to-day support activity at the client side.
Monitoring all the application components as part of the daily monitoring process to make sure the components and services are functional.
Regularly monitor the logs of the components and services and identify and debug the
errors if any and accordingly co-ordinate with the off-shore team if needed.
Support off-shore team to help deploy their application components and services.
Perform basis debugging activity to identify any issue present in the client environment and provide the details to the off-shore team.
About Company :
IRIS Business Services Limited is one of the first providers of full professional XBRL products and solutions to organizations globally. The company headquartered in Mumbai, India with international offices in United States, Singapore, United Kingdom, and the UAE.
IRIS is a direct member of XBRL International and XBRL US. The Company has over eighteen years of proven expertise in the financial information management space, providing customized technology solutions for data and content management, for the dissemination of information to investors and stock exchanges, and for effective content management to institutional clients.
Over the last seven years, IRIS has been very closely involved in the XBRL space, in taxonomy creation, software solutions and in the conversion of structured and unstructured data into XBRL for SEC filing in the US. IRIS has multidisciplinary skills in XBRL as well as in technology. Taxonomy experts, software engineers, business analysts and accountants come together to provide a complete range of products and services across the XBRL supply chain.
For more information, please visit http://www.irisbusiness.com
https://www.oziva.in/">OZiva is India's leading clean, plant based nutrition brand, combining modern science and ancient Ayurveda. We aim towards driving the paradigm shift from curative health care to preventive healthcare by focusing on the two fundamental pillars of fitness - nutrition and exercise.
OZiva is a startup founded by IIT, INSEAD and Mumbai University alumni with an existing vision to help people lead a healthier and better lifestyle.
We run a powerful, high impact, fast paced operation with cutting edge technology and good old-fashioned passion for making people healthier and fitter.
Job Responsibilities
- Work with product managers to understand product requirements and make them live.
- Ownership of end to end development
Must Haves
- Startup mindset of getting things done and focussing on business goals
- Proven problem solving skills
- 3+ years Hands on experience in designing and developing applications using server side technology (Java, Spring Boot / Node.js, Express)
- Excellent knowledge of Relational Databases, SQL and ORM technologies
- Good knowledge of design patterns
- Proficiency in REST architecture
- Experience with test-driven development
- Experience with Git/CI/CD/Gradle/Maven
- Inclination towards writing quality and performant code
Nice to Have
- Experience in Agile development
- Performance tuning, testing, refactoring and automation
- Experience working with AWS Cloud and Devops technologies (terraform , cloudformation, ansible)
- Experience running a production environment
Primary Duties
• Build a broad knowledge across various systems and processes via knowledge transfer and capture any missing information on the wiki
• Gather software requirements by talking to various stakeholders and document them
• Implement software solutions after discussing the requirements and taking direction from the Technical lead and talking to other colleagues within and outside the team
• Provide necessary effort and time estimates for tasks to aid scheduling and prioritization
• Provide necessary 3rd line support to the Operations teams including software fixes as needed
• Work on any BAU development activity including on-boarding new data sets and delivering new markets into the system
• Work with external vendors from time to time to gather necessary requirements for new data or changes to existing data specifications
• Maintain pro-active communication with relevant stakeholders and keep them updated on progress
General
- Any other duties commensurate with the post holder’s position and seniority; and
- All employees should understand that it is their personal responsibility to comply with all organisational, statutory and regulatory policies and procedures.
Experience, Knowledge & Skills
Essential
- 4+ years’ experience of programming in Java.
- 4+ years’ experience working with SQL including complex queries, stored procedures, views, database design and solid understanding of database concepts (preferably SQL Server)
- Experience of both Linux and Windows environments, scripting and tools
- Willing to carry out operational data tasks alongside developing new solutions
- Well organised with the ability to prioritise and manage multiple streams of work
- Excellent communication skills
Beneficial
- Experience working with Cloud environments (preferably AWS)
- Experience in handling financial data sets and familiarity with financial instruments (equities, futures, FX)
- Experience working with data pipelines and building ETL solutions
- Experience working with tools like Flink, Kafka and Tableau
Educational & Professional Qualifications
- Educated to degree (or equivalent) level or higher.
- A degree with mathematical and computing content (e.g. Computer Science, Maths, Physics)
- 6+ years Java coding experience with immediate joiner
- Will be working closely with Product and Technology team
- Very good logical thinking and quick at learning and exploring new frameworks
- Hands-on with technology and providing POC
- Strong background culture of delivering projects with First time right and near-zero defects in production
Skill Sets:
- Java Spring Boot
- Micro Services architecture
- J2EE, JDBC, ORM Frameworks, JPA, NoSQL
Job Summary
If you are passionate about technology, constantly seeking to learn and improve skillset, then you are the type of person we are looking for!
We are offering superb career growth opportunities, great compensation and benefits.
Java developers with only more than 7 Years of experience can apply.
Responsibilities and Duties
- Deliver tactical and strategic improvements to large scale Java/J2EE/Mobile based product
- Formulates and defines system scope and objectives through research and fact-finding to develop or modify moderately complex information systems
- Design, develop and test Java-based solutions using common standards and frameworks such as JAXB, JAX-WS, JAX-RS, JPA, JavaEE, Spring, and Hibernate
- Maintain and update all existing J2EE applications as needed
- Translate software requirements into working and maintainable solutions within the existing application frameworks
- Implement the product's lifecycle: Design, development, quality, deployment, and maintenance
- Develop and adhere to best-practices for developing applications
- Continuously contribute to team performance improvement and collaboration
- Collaborate effectively across teams
Benefits
Alternate Saturdays-Off!
Working Saturdays are Half-days!
Weekly Lunch
Birthday Celebrations
Festival Celebrations
Diwali Bonus
Annual Picnic
Healthiest and easy-going working experience with motivating team members.










