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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Pickyourtrail (PYT) is an expert co-creator of super hit customised holidays. We are the perfect partner to the ‘designated travel planner/s’ of every group - big or small. Our service, customisation and expertise help us deliver super hit holidays and make the planner the hero of the holiday.
PickYourTrail is a technology-driven travel company building personalized, end-to-end travel experiences. Our platform powers dynamic itinerary creation, real-time pricing, booking orchestration, and post-booking workflows at scale. We operate in a high-throughput, real-time environment where backend systems are critical to business success.
What are we looking for in you?
You are enthusiastic about developing highly scalable, foolproof, end-to-end quality software. You have worked on api integrations, have a good understanding of api docs, SOAP, REST, rate limiter and caching. You are very passionate about data structures and algorithms. You are flexible in working with multidisciplinary teams and you push your teammates to their limits & ensure that the work is done. You consider AI as your friend and use them in all facets to augment your work, as your pair programmer, code reviewer and design philosopher. If you feel we are talking about you, contact us asap.
Who will you work with?
Being a part of a small team of backend engineers, you get to solve a wide range of problems in the travel space. Be it feature discussion, solution design, development, dev testing, deployment, enhancement or maintenance, you get to experience everything.
What's in it for you?
- Opportunity to contribute and solve interesting problems in the travel space.
- Solve for scalability, availability and performance along with functional integrations.
- Freedom to explore solutions rather than getting tied down by rigid standards.
- Work with some of the best techies in the industry
- An environment where Attitude is higher than Skill and performance scores over politics
- Take the product to the next level that has an impact on the end customer
What you'll bring to the team?
- Good understanding of data structures and algorithms
- Good experience in System & Solution design.
- Working knowledge of Java, Web Services, SOAP, REST and Spring Boot.
- Experience working with coding assistants like co-pilot, Claude desktop etc.
- Knowledge of GIT version control
- Good knowledge of any database (MongoDB, PostgreSQL, MySQL, Oracle)
- Knowledge of Unit testing is a must
- Fair debugging skills
Job Description – Blueprism Developer
- Design technical specifications for RPA (Blue Prism) that meets the requirements and handled all the non functional requirements of concurrency, scalability, security requirements, restart and recovery.
- Develops and configures automation processes as per the technical design document to meet the defined requirements. Works on the coding the more complicated automations or reusable components, and delegates and mentors junior developers for the less complex components.
- Develops new processes/tasks/objects using core workflow principles that are efficient, well structured, maintainable and easy to understand.
- Complies with and helps to enforce design and coding standards, policies and procedures.
- Ensures documentation is well maintained.
- Ensures quality of coded components by performing thorough unit testing.
- Works collaboratively with test teams during the Product test and UAT phases to fix assigned bugs with quality.
- Reports status, issues and risks to tech leads on a regular basis
- Improves skills in automation products by completing automation certification.
- Mentors junior developers and performs code reviews for quality control.
Qualifications
Bachelor degree in Engineering / Computer Science
Additional Information
- 5- 8 years of IT experience and having good understanding of programming concepts. Should be from a programming background on any coding language (.Net, Java).
- Working experience in RPA for a minimum of 2 years and having project experience of a minimum 3 RPA implementations.
- Understands development methodology and lifecycle
- Should be trained on RPA tools (Blue Prism).
- Self-motivated, team player, action and results oriented.
- Well organized, good communication and reporting skills.
● Design and deliver scalable web services, APIs, and backend data modules.
Understand requirements and develop reusable code using design patterns &
component architecture and write unit test cases.
● Collaborate with product management and engineering teams to elicit &
understand their requirements & challenges and develop potential solutions
● Stay current with the latest tools, technology ideas, and methodologies; share
knowledge by clearly articulating results and ideas to key decision-makers.
Requirements
● 3-6 years of strong experience in developing highly scalable backend and
middle tier. BS/MS in Computer Science or equivalent from premier institutes
Strong in problem-solving, data structures, and algorithm design. Strong
experience in system architecture, Web services development, highly scalable
distributed applications.
● Good in large data systems such as Hadoop, Map Reduce, NoSQL Cassandra, etc.. Fluency in Java, Spring, Hibernate, J2EE, REST Services Ability to deliver code
quickly from given scenarios in a fast-paced start-up environment.
● Attention to detail. Strong communication and collaboration skills.
2. Responsible for doing customer API integrations and other integrations required to onboard new e-commerce marketplaces, logistic providers, ERP and accounting systems. 3. Responsible to write code for API integrations, perform debugging tasks, do application tests, do configuration and code reviews to ensure the product is satisfactory.
The candidate would provide the firms SASS platform with ongoing technical support. This support includes responding to customer issues, providing updated software that solves bug issues, and working with the customer service team.
Writing well-designed, efficient, and testable code.
Delivering high availability and performance.
Contributing in all phases of the development lifecycle.
JAVA, JSP, jQuery, Servlet, Hibernate, Spring MVC, Spring boot, SOAP and REST Web Services, Microservices, knowledge of SQL query, build tool like Ant and Maven, very good analytical and logical skills.
Good to have: Redis and Memcached cache management, JBOSS 7 and above, API gateway, Apache, EJB
Job Title : Sr Java Developer
Job Description
We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.
Roles and responsibilities?
- Design, develop and implement software programming applications.
- Build highly scalable product.
- Participate in gathering business requirements and assessing existing architectures and resources.
- Work with application development team in delivering the project and deliverable within time and with good quality.
- Perform unit testing, oversee quality assurance of applications through system testing.
- Establishes processes for performance and conducts code review.
- Manage and mentor junior members of the team on good coding practice
Skills and experiences would I bring into this role?
- E/ B.Tech / MCA in computer science or a related field
- 4+ Years of Java/J2EE work experience.
- Object-Oriented design, patterns, algorithms, data structures
- Well knowledge about Spring Hibernate framework.
- Exposure to React JS / Angular JS.
- Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
- Experience in Web services (REST or SOAP)
- End to end web development experience is highly preferred
- Good understanding of unit testing methodologies.
- Good analytical and communication skills
- Startup work culture mindset.
The Junior/ Senior Software Engineer will be a member of the development team for Supply Chain Application module suite. The Supply Chain modules includes components at various layers, including server-side, integration, supply chain planning engines and user-interface. This individual will be responsible for participating in module development and providing technical assistance to junior members of the team.
Experience and Skills:
- 4-10 years of of experience in writing software
- Strong analytical problem solving skills
- Strong Object Oriented Programming Skills. Good understanding of data structures and algorithms.
- Extensive knowledge of the Java programming language
- Understanding of software design patterns, J2EE components (EJB, JSP, Servlets), and XML
- Experience with relational databases (preferably Oracle) and Object/Relational frameworks. Should be able to write SQL queries, procedures, triggers and do basic performance tuning.
- Experience with C++ is a plus.
- Functional knowledge of supply chain management domain.
- Prior experience in development or consulting with an enterprise software vendor – preferably in supply chain planning or forecasting area.
- Experience with enterprise integration patterns & protocols, including SOAP, REST, JMS, EDI is a plus.
- Experience writing build & deployment scripts (e.g. Ant)
- Excellent communication (verbal and written) and interpersonal skills
- Systems implementation skills: requirements/process analysis, conceptual and detailed design, configuration, testing, training, support
- Some experience with a scripting language such as Python or Ruby preferred
- Some experience with newer web client technologies such as AJAX, EXTJS preferred.
Essential Functions:
- Producing design documents based on a requirements document and participating in design reviews
- Producing effort estimates
- Writing code, automated unit and functional tests, and build/deployment scripts
- Participating in code reviews
- Executing performance/scalability tests & profiling hotspots
- Collaborating with QA, Technical Operations and Production Support during the various phases of a project
Education:
BE/ BTech/ ME/ MTech in Engineering, Computer Science








