Java Drools Developer at Deqode · Bengaluru (Bangalore), Hyderabad · 4 - 8 years · ₹2L - ₹18L / yr · Bootstrapped · Posted 17 Mar 2026

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

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Roles and Responsibilities:
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs comply with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- Ensure continual knowledge management
- Adherence to the organizational guidelines and processes
Skills /Competencies: a. Bachelor/Master’s degree with good experience in computer programming b.4+ years working experience in application development using Java
Essential Skills:
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Data structure, Algorithm and time complexity, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC) and UI technology (Angular/React JS)
- Ability to operate independently while establishing strong working relationships with co-workers and cross-functional teams
- Strong organizational and prioritization skills
- Demonstrate critical attention to detail and deadlines, and are self-motivated
- Ability to adapt to changes in direction and priorities in a project and deadline-oriented environment
- Strong written and verbal English communication skills
- Problem-solving attitude
Preferred skills Good to have –
- Knowledge in any UI technology (Angular, React, JS)
- Intermediate level knowledge of Unix environment (User commands, not System Admin commands)
- Understanding of capital markets and middle/back office processes in the financial services space
UKG's engineering teams wants to add 4 staff aug consultants (2 in US and 2 in Noida) to support their identity platform infrastructure, deployments to prod, escalations/KTLO, and debugging needs. They'll need to partner with internal dev teams who consume our Identity platform around any issues or new integrations needed. RCA/enhancing our observability.
They need to have the below qualifications:
• Linux (Ubuntu) - Understanding of Linux OS and has experience with troubleshooting complex issues that can be due to infrastructure related around disk/iops, network latency, jvm/gc related, as well as application related defects.
Python/similar scripting language to help automate manual tasks/remediation efforts.
• Ansible
• Identity platforms/technology -
SAML2/Oauth2/Directory server LDAP#python queryquerylanguage/OpenDJ/OpenAM/Auth0/Okta/SSO
• Java - understanding of Java tuning/best practices for high volume applications at scale
• Nginx
• Grafana • PagerDuty
• Postman/API • Kibana/Splunk
Dynatrace
GCP preferred. Azure is good as well.
java,J2EE,Hibernate,spring,
• Opportunity to develop game-changing, globally distributed, internet advertising products used by millions worldwide.
• Contribute hands-on, own, collaborate, and deliver new features and services at a fast pace.
• Build platforms, frameworks, APIs, libraries & automated tools to facilitate rapid issue
resolution and development & deployment of new features and changes.
• Own the prioritization, scoping and scheduling processes for new products and features.
• Work with and advise management on technical aspects, make well-informed decisions.
• Improve processes, technology & the applications you own continuously by showing the team better ways of doing things and help improve skills in the team.
• Prioritize tech-debt and ensure the platforms and applications meet the latest industry
standards.
• Learn new technology & practices, coach the team and conduct training sessions – devote time for learning and continuous improvement of self and team.
• Imbibe and maintain a strong customer service-oriented attitude while designing and building products.
Who should apply for this role ?
• 5 - 9 years of experience in building or managing large scale distributed systems
• BS/MS degree in Computer Science or other relevant majors
• A track record of working on scalable applications, preferably at a major internet property or well-known startup
• Good grasp on programming fundamentals including OOP, Design Principles and Data Structures
• Excellent analytical, logical, and problem-solving skills
• Solid knowledge of Java/Python/Golang, web services (REST/JSON), NoSql Databases,
Kafka/Kinesis/Spark, Elasticsearch/Solr/Kibana
• Can exhibit passion and enthusiasm for remarkable technology (Knowledge and contribution to open source projects, Active Blog, etc. is a plus)
• Ability to learn emerging technical/business standards and apply/coach development team in proper adoption
• Deep understanding of development processes and has personally contributed to critical
product cycles
• Communicate effectively & cross-functionally with other teams
- Understand the fundamentals of Software Engineering, such as Data Structures, Algorithms, Design Patterns
- Ability to write Java applications using Spring, Springboot or any other microservices frameworks
- Experience in the development of REST applications, in Java or Kotlin
- Capable of writing effective APIs
- Solid knowledge of JVM fundamentals such as classloading, memory management, garbage collection
- Demonstrated experience in platform API design and development
- Knowledge on microservice and event-driven architecture
- Experience in working with version control frameworks such as Git (preferable), SVN
- Experience with NoSQL databases (MongoDB or Cassandra) & Relational Databases
- Solid understanding of TDD & Agile principles such as CI / CD, with a proven track record of implementing solutions centred around those concepts
- Excellent communication, collaboration, reporting, analytical and problem solving skills
Software Development Engineer – SDE 2.
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
You write high quality, maintainable, and robust code, often in Java or C++ or C#
You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
You solve problems at their root, stepping back to understand the broader context.
You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
You recognize and use design patterns to solve business problems.
You understand how operating systems work, perform and scale.
You continually align your work with Amazon’s business objectives and seek to deliver business value.
You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
Bachelors or Masters in Computer Science or relevant technical field.
Experience in software development and full product life-cycle.
Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
Proficiency in SQL and data modeling.
Experince is 2 to 5 yrs and 5 + yrs (In-depth knowledge and hands on experience on Spring Boot & Java is mandatory
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- Spring Boot
- JPA, REST API, JSON, JWT, OAuth, Spring Security, Swagger
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- JIRA, Bitbucket
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- Excellent knowledge of Core Java and Spring
- Strong experience in REST API and web services
- Experience in Oracle / Mysql / Postgres DB
- Should be efficient with Java J2EE and related technologies
- Should have very good communication skills and analytical skills.
- Should have good knowledge in Software Development Life Cycle and Agile methodologies.
- Good knowledge of current / emerging technologies and trends
- Good analytical and problem-solving skills
- Excellent written and verbal communication skills. High levels of initiative and creativity
- Good communication skills with all stakeholders, good team player with ability to mentor juniors
Good to Have:
- Knowledge in Banking Domain
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