Senior Software Engineer

We're looking for a high-energy Java engineer to design and implement scalable microservices using Spring Boot. You'll collaborate across teams to deliver clean, efficient, and high-performance backend services.

🛠️ Key Responsibilities

• Design, develop, and maintain RESTful services and microservices using Spring Boot
• Utilize OOP, Java Collections, Exception Handling, and method overloading/overriding in modern coding practices
• Build and optimize multithreaded systems (Threads, synchronization, wait(), notify(), yield()) for performance and scalability
• Write unit and integration tests (JUnit, Mockito, Spring Test) to ensure code quality
• Collaborate with cross-functional teams (QA, DevOps, Product) through code reviews and feature planning
• Diagnose and resolve performance bottlenecksJVM tuning, SQL/caching optimizations
• Adhere to coding standards, best practices, and participate in peer code review

🎯 Required Skills & Experience

• Strong Java fundamentals: OOP, Collections, Generics, Exception Handling
• Concurrency mastery: multithreading, synchronization primitives (wait(), notify(), yield())
• Spring Boot: solid experience building, testing, deploying REST APIs
• Microservices: design, inter-service communication, stateless service patterns
• Testing frameworks: JUnit, Mockito, Spring Test
• Performance tuning: profiling, optimization with JVM settings and database queries
• Tools & practices: Git, Maven/Gradle, CI/CD pipelines, Docker/Kubernetes (plus)
• Soft skills: strong problem-solving, collaboration, and effective communication

Objective of the Role:

The Application Developer’s primary objective is to design, create, and maintain integration solutions using Oracle Integration Cloud (OIC) to streamline business processes and enhance operational efficiency.

Main Role (Overall Accountability):

• Design, develop, and implement integration solutions using Oracle Integration Cloud (OIC) to connect various applications, systems, and services.
• Customize and configure OIC adapters, connectors, and components to meet specific integration requirements.
• Develop RESTful and SOAP web services for data exchange and communication between different systems.
• Demonstrate good knowledge of cloud technologies (e.g., AWS Lambda functions for integration with AWS services).
• Collaborate with business analysts and stakeholders to gather requirements and define integration workflows and data flows.
• Perform troubleshooting, debugging, and performance tuning of integration solutions to ensure optimal performance and reliability.
• Develop and maintain documentation for integration processes, interfaces, and configurations.
• Perform code reviews to ensure quality and consistency.
• Ensure adherence to coding standards, development methodologies, and security protocols throughout the software development lifecycle.

Personnel Specification

Education:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.

Experience:

• 5 or more years of experience in the IT industry.
• Experience in cloud-based integration platforms.

Skills and Abilities:

• Proven experience in designing, developing, and implementing integration solutions using OIC.
• Strong understanding of RESTful and SOAP web services, JSON, and other data formats.
• Experience in cloud-based integration platforms, writing AWS Lambda functions, and creating integrations across various channels.
• Strong knowledge of OIC API integrations.
• Strong understanding of SOAP-based and REST-based services.
• Strong development skills in Java.
• Strong knowledge of authentication methodologies used in integration platforms (OAuth, JWT, Basic Auth, etc.).
• Strong knowledge of OIC GEN2 and GEN3.

Note: This position is for the Bahrain region and is a full-time opportunity.

Job Summary

We are seeking an experienced Java Drools Developer to design, develop, and maintain rule-based applications using Drools. The ideal candidate will have strong backend development skills and hands-on experience with business rule management systems in enterprise environments.

Key Responsibilities

• Design, develop, and maintain business rules using Drools (BRMS)
• Create and manage Drools Rule Files (DRL), decision tables, and rule flows
• Integrate Drools with Java / Spring Boot applications
• Optimize rule execution, performance, and scalability
• Develop and consume RESTful APIs
• Collaborate with business analysts to translate requirements into rules
• Participate in code reviews and ensure best practices
• Support testing, debugging, and production issues

Required Skills

• Strong hands-on experience in Java
• Solid experience with Drools Rule Engine / BRMS
• Experience with Spring / Spring Boot and microservices architecture
• Knowledge of REST APIs and backend integrations
• Understanding of rule lifecycle management and versioning
• Good problem-solving and analytical skills

JOB DESCRIPTION:

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 4– 12 years of strong hands-on experience in Core Java.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

Why Join Wissen Technology?

• Be a part of a high-growth organization that has expanded 400% in the last five years.
• Work alongside leadership and engineers from IITs, IIMs, MIT, Wharton, and other top institutions.
• Engage with Fortune 500 clients and deliver high-impact projects.
• Certified as a Great Place to Work®.
• Recognized as a Top 20 AI/ML Vendor by CIO Insider (2020).
• Work on next-gen technologies: AI/ML, Big Data, Cloud, DevOps, RPA, and more.
• Global presence across US, India, UK, Australia, Mexico, and Canada.

Website : www.wissen.com 

Responsibilities:

• Participation in the requirements analysis, design, development and testing of applications.
• The candidate is expected to write code himself/herself.
• The candidate is expected to write high level code, code review, unit testing and deployment.
• Practical application of design principles with a focus on the user experience, usability, template designs, cross browser issues and client server concepts.
• Contributes to the development of project estimates, scheduling, and deliverables.
• Works closely with QA team to determine testing requirements to ensure full coverage and best quality of product.
• There is also the opportunity to mentor and guide junior team members in excelling their jobs.

Requirements:

• BE/B. Tech. Computer Science or MCA from a reputed University.
• 3.5 - 6.5 Years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO, webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks ESB etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.

Enterprise Minds, with core focus on engineering products, automation and intelligence, partners customers on the trajectory towards increasing outcomes, relevance, and growth. 

Harnessing the power of Data and the forces that define AI, Machine Learning and Data Science, we believe in institutionalizing go-to-market models and not just explore possibilities. 

We believe in a customer-centric ethic without and people-centric paradigm within. With a strong sense of community, ownership, and collaboration our people work in a spirit of co-creation, co-innovation, and co-development to engineer next-generation software products with the help of accelerators. 

Through Communities we connect and attract talent that shares skills and expertise. Through Innovation Labs and global design studios we deliver creative solutions. 
We create vertical isolated pods which has narrow but deep focus. We also create horizontal pods to collaborate and deliver sustainable outcomes. 

We follow Agile methodologies to fail fast and deliver scalable and modular solutions. We are constantly self-asses and realign to work with each customer in the most impactful manner. 

Pre-requisites for the Role 

1. Job ID-EMPY0120MS 

1. Primary skill: Python Developer, Django, Problem solving. 

1. Secondary skill: Rest, API 

1. Years of Experience: 4-7 Years  

1. Location: Remote 

Budget- Open  

NP- Immediate 

PYTHON DEVELOPER 

• Design, build, and maintain efficient, reusable, and reliable Python code 
• Design and implement software platform with Microservices Architecture, based on AWS Lambda and Event sourced data 
• Integration of data storage solutions {may include databases, key-value stores, notification queues, etc.} 

• Integration with various backend monitoring tools 
• Identify bottlenecks and bugs, and devise solutions to these problems 
• Help maintain code quality, organization and automatization 
• Participate in early product demonstrations to customersExperience required: 
• Bachelor's or Masters in Computer Science or a related discipline 

• 2-6 years of relevant professional experience 
• Delivery of quality results within aggressive timelines 
• Knowledge of software development processesSkills Required: 
• Experience with Python, along with other common libraries/framework such as Flask, Celery, Django etc., 
• Good understanding with usage of Lambda in Python. 

• Good understanding in testing frameworks like PyTest. 
• Ability to work with IDEs like Visual Studio Code. 
• Basic understanding in developing private PIP packages. 
• Solid understanding of object-oriented programming. 
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful. 

• A knack for writing clean, readable Python code. 
• Ability to integrate multiple data sources and databases into one system. 
• Ability to understand monitoring metrics, such as CPU, Memory, Disk Space, Network latency, and telemetry services. 
• Understanding of fundamental design principles behind a scalable application. 
• Understanding the fundamentals of RDBMS databases. 

• Ability to work with PostgreSQL is a plus. 
• Ability to work with AWS services like Lambda, Kinesis, SQS, SNS etc., is a plus. 
• Proficient understanding of Git. 
• Familiarity with continuous integration and continuous deployment. 
• Effective verbal and written communication skills. 

• Determine the appropriate approach for new software assignments
• Provide solutions to overcome complex problems using the latest technologies
• Developing high-quality and detailed designs, Identify, prioritize and execute tasks in the software development life cycle
• Proactively communicate with the client to get things done within the deadline.
• Develop tools and applications by producing clean, efficient code.
• Automate tasks through appropriate tools and scripting
• Provide high-level maintenance and update of an existing applications to improve functionality and process flow
• Oversee the maintenance of technical documentation of applications as architecture, code, and procedures

• 3+ Experience with RPA software (UiPath) (ONLY/MANDATORY)
• Experience in programming .NET (C# or VB), Java + Node.JS-based programming
• UiPath RPA Implementations and Working Knowledge: Studio, BOTs, Orchestrators, RE Framework and Three E2E Implementations as a Core RPA Developer.
• Skill with scripting languages such as VBA/VBS, Python, NodeJS and JavaScript
• Proficiency with Microsoft Power Platform, SQL and NoSQL database experiences
• Orchestrator configuration and component usage knowledge
• hands on experience of orchestrator queue and load distribution
• Proficiency with JIRA, Jenkins, Github, Artifactory and CI/CD development
• Excellent analytical and problem-solving skills, including business process expertise
• Experience developing design documents for automation processes

• Build large scale enterprise applications.
• Responsible for providing deep technical expertise in designing and delivering end to end high performance, scalable & flexible solutions using Java and Open Stack technologies including Mobility/Responsive Web apps, APIs, application & data Integration, scalable databases, DevOps, Cloud Computing.
• He/ She would be also responsible to experiment, explore and demonstrate application of new technologies by means of conducting quick prototypes to solve business problems. Work with the direction from Solution Architect/ Enterprise Architect and co-create solutions with rest of the IT delivery teams