Backend Java Developer

Backend – Software Development Engineer II

Experience: 4–7 years

Location: Bangalore

Work Mode - Hybrid

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects

What you will do

• Own backend features and migration workstreams end to end, from understanding the existing codebase and data model to delivering production-ready implementations.
• Build and enhance Java/Spring Boot services used in modernization, migration, and cloud transformation projects.
• Design and implement backend flows that are safe under retries and partial failures, with clear thinking around validation, transaction boundaries, idempotency, and downstream side effects.
• Work across application, database, and deployment layers to improve reliability, maintainability, and operational visibility.
• Model data based on access patterns and business workflows, with sound choices around schema design, indexing, and query performance.
• Investigate production issues using logs, request traces, database state, and service behavior; identify root causes and implement durable fixes.
• Collaborate with internal teams, customer engineering teams, architects, and stakeholders to deliver high-quality solutions on mission-critical projects.
• Write clean, modular, testable code and participate actively in sprint ceremonies, code reviews, design discussions, and release activities.

What we’re looking for

• 4–7 years of backend engineering experience, with strong hands-on delivery in Java-based systems.
• Solid experience with Java, Spring Boot, and microservice-style backend development.
• Demonstrated ownership of at least one meaningful backend service or feature area in production.
• Strong understanding of backend engineering fundamentals, including service reliability, data consistency, failure handling, and production-grade design considerations.
• Strong database fundamentals, including schema design, query writing, indexing, and performance reasoning.
• Strong depth in MongoDB or a relational database such as Oracle, with working comfort across both styles being a plus.
• Ability to investigate and resolve real production issues across services and databases, including consistency, performance, and reliability problems.
• Hands-on experience with testing frameworks such as JUnit and Mockito.
• Proficiency with Git, including branching, code review workflows, and conflict resolution.
• Strong communication skills and the ability to collaborate effectively with engineers, stakeholders, and customers.

Preferred qualifications

• Experience working on legacy modernization, data/service migrations, or decomposition of existing systems into cleaner service boundaries.
• Exposure to both MongoDB and relational databases, including query tuning, indexing, and production troubleshooting.
• Familiarity with Oracle PL/SQL or migration of logic from database-heavy systems into service-layer Java code.
• Exposure to CI/CD deployment and cloud environments like AWS, Azure, or GCP.

Hi,

As discussed, please refer to below Job description and revert with you updated resume –

About Client : Client is a digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce & Retail, Education & eLearning, Insurance, Tech Startups, Government & Semi-Government, and more. Backed with an impressive experience of 25+ years and a fast-growing family of 4000+ engineering professionals our capabilities span across IT Consulting, Strategy Planning & Execution, Business Process Re-engineering, IT Modernization, and Business Analysis Consulting, our solutions are devised meticulously to address the needs of specific industries.

We are a CMMI Level 5 organization global IT Solution provider and Outsourcing company headquartered in Mumbai and footprints with 10 delivery centres in India and 15 global offices. Our success portfolio boasts of 7500+ projects accomplished across 1500+ clients in 50+ countries with client retention rate as high as 85%

Job Description :

Java Architect (10+ Years)

Location: Navi Mumbai, CBD Belapur

Domain: Banking (Payment Gateway Project)

NOTE: 1st and 3rd Saturdays working as per banking norms

Education: B.E. or Graduation in Computer Science or related field

Key Responsibilities:

• Architectural Leadership: Lead the architecture and design of complex, scalable, and secure banking applications, focusing on payment gateway solutions.

• Technology Stack Mastery: Provide expertise in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and cloud-native architectures using AWS.

• Spring Validation & Authorization: Ensure secure and validated input handling using Spring Validation, and implement robust authorization mechanisms with Spring Security.

• Cloud Integration: Design and implement cloud-native architectures using AWS, including services like EC2, S3, RDS, Lambda, and API Gateway.

• Security Standards: Ensure adherence to banking security st OAuth2, JWT, and encryption protocols.

• Database Design: Oversee the design and optimization of relational databases, focusing on Oracle SQL and knowledge of NoSQL databases like MongoDB.

• Performance Optimization: Implement strategies for application performance tuning, caching, and scalability.

• Collaboration & Mentorship: Work closely with cross-functional teams, providing technical guidance and mentoring to developers.

• Stakeholder Engagement: Collaborate with business stakeholders to ensure architectural alignment with business objectives and technical constraints.

• Code Quality & Reviews: Conduct regular code reviews, ensuring compliance with best practices and architectural standards.

Skills and Qualifications:

• Extensive Experience: 8+ years in Java development and architecture, with a proven track record in the banking domain, particularly in payment gateway projects.

•Technological Proficiency: Deep expertise in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, Spring Validation, Spring Security for authorization, AWS, Docker, Kubernetes, and Jenkins.

• Cloud & DevOps Knowledge: Good understanding of cloud-native applications and DevOps practices.

• Security Focus: Experience in implementing security protocols and practices in a banking environment.

• Leadership & Communication: Strong leadership, communication, and stakeholder management skills.

• Innovative Thinking: Ability to think critically and provide innovative solutions to complex problems.

Required Documents:

• 10th and 12th passing certificates and marksheets.

• Graduation marksheets and passing certificate.

• Graduation degree (Convocation) certificate. • All employer offer letters and relieving letters (with stamp and CIN number on letterhead)

Regards

Amit Kumar Pandey

Experience in Java

Experience in spring Boot

Experience in microservices

experience in Project management

Experience in leading team

Experience in customer facing

Experience in Product Management

Requirements:

Java developer responsibilities include designing, developing, Testing and delivering high-volume, low-latency applications for mission-critical systems.

1. Proven hands-on Software Development experience

2. Proven working experience in Java development

3. Hands on experience in developing applications using Java EE platforms

4. Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)

5. Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)

6. Experience in the Spring Framework

• 2.5+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Java Backend

Experience : 5+ years (Immediate Joiner)

Location: Hyderabad(Remote)

• Core Java, SpringBoot, MicroServices
• DB2 or any RDBMS database application development
• Linux OS, shell scripting, Batch Processing
• Troubleshooting Large Scale application
• Experience in automation and unit test framework is a must
• AWS Cloud experience desirable
• Agile Development Experience
• Complete Development Cycle ( Dev, QA, UAT, Staging)
• Good Oral and Written Communication Skills

Hello,

My name is Amim and I'm a part of the Talent Acquisition team in PayU India!

Were looking for a seasoned Backend engineers who would work on cutting edge technologies to solve complex problems in FinTech world. We are currently looking for bright and talented backend engineers, who can bring new ideas to the table and contribute to our strategy in a big way.

If you like to solve complex problems and challenges, that too in a fast-moving and dynamic environment, this is great opportunity for you.

Who were looking for

Position :      Senior Software Engineer / Lead Software Engineer

Experience : 4 yrs - 9 yrs

Job Location: Bangalore / Gurgaon / Pune(Currently WFH)

Key Skills :  Object Oriented Programming ( Java / Go Lang), Problem Solving, Data Structures Algorithms, System Design Microservices / Spring Boot, Distributed Systems, AWS, Cloud, Scalability, Web Security, Kafka, Elasticsearch, Mo SQL / MongoDB / MySQL etc.  

Desired Profile

B.E / B. Tech / M. Tech in computer science or equivalent with excellent academic record.

Experience in any language like Java / GoLang / Core Java / Scala / RoR and object oriented design.

You will be Translating high level business problems into scalable design and code.

Very strong in Data Structures and Algorithms with excellent programming skills

Have experience in building and maintaining large scale web applications in service oriented architecture.

Passion for adopting new technologies at rapid pace and working in a highly agile environment

What we offer

A positive, get-things-done workplace

A dynamic, constantly evolving space (change is par for the course important you are comfortable with this)

An inclusive environment that ensures we listen to a diverse range of voices when making decisions.

Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale

Access to 5000+ training courses accessible anytime/anywhere to support your growth and development (Corporate with top learning partners like Harvard, Coursera, Udacity)

 About us

At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at http://www.payu.com">www.payu.com

Our Commitment to Building A Diverse and Inclusive Workforce

As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.

If you are interested, please share your resume on md.amim at payu.in

Required Technical Skills: 

• Java (highly capable)
• SQL (highly capable)
• Strong knowledge of software best practices, build processes, IDEs, database tools (e.g. SQL Developer, SQL Management Studio)
• Strong knowledge of source code control systems (GIT)
• Confident with Windows, Linux, Unix operating systems including command line
• Working knowledge of JIRA

Beneficial Technical Skills: 

• .Net
• C 
• Javascript 
• Experience in test management and test execution
• Experience of Agile development methods

Additional Skills and Behaviour Required 

• Experience of full software development lifecycle
• Considers competing solutions and evaluates options to create the best outcome in all aspects of the role.
• Willingness to takes ownership of whole project and engineers assigned.
• Confident to make suggestions and recommendations for improvements.
• Excellent written and verbal communication skills and ability to build good rapport
• Fluency in English, both written and oral
• Collaborates with others to achieve objectives and ensure information flow
• Seeks assistance and feedback as appropriate 

Education 

• Bachelor's degree (or equivalent) in Computer Science or Engineering or other relevant discipline (MCA, MSc in Computer Science etc.)