
Java Backend Developer (AVP Role)
at one of the world's leading multinational investment bank
2. Data structure (HashMap, treemap, arraylist, linklist),
3. Streaming concepts (partitioning), Junit
4. Exception handling and workflow, Test coverage (why its important, how it gets handled at
java and spring layer, morckito library if the candidate knows that would be great),
5. OOPS concepts (inheritance),
6. Threading (mutex, threadpool, threading implementation, singleton factory, builder pattern,
abstract)
7. Real world problems (atleast 1 to be asked in IAAS interview) (movie ticket booking, parking
booking), To be asked to only selected candidates: Puzzle (probability/)
8. Memory management: Garbage Collection (GC), Heap dump, Thread dump, apache, google
library.
9. Spring frameworks and database. Data lakes, star lakes, schemas, indexing, partitioning,
optimize query, hibernate.
10. Data warehouse vs nosql vs time series database (KDB, DB2), data storage patterns.
11. Types of transaction control. Column level.
12. Query formation, grouping, nested queries, joints (inner joints, outer joints)
13. If candidate has spring exp: Architecture and various layers of Spring, coupling concepts,
dependency injections, inheritance, Bean level, JMS connection pooling concepts, Lambda,
Annotation vs XML, Kafka, Hibernates.
14. Good to have AI/ML inclination.
Bifurcation of Must have and good to have skills:
Must have skills Good to have skills
Core java (60%), spring (15%), and databases
(15%).
Mockito library
Data structure (HashMap, tree map, array list,
link list)
Threadpool
Streaming concepts (partitioning) Memory management
Exception handling Lambda, Annotation vs XML, Kafka, Hibernates
OOPS GCP or any cloud technology
Threading (singleton factory, builder pattern) AI/ML inclination
Real world problems (movie ticket booking,
parking booking)
Spring frameworks and database (indexing,
partitioning, layers of Spring, JMS connection)
Data warehouse vs NoSQL vs time series
database
Junit

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Job Location
Bengaluru, India
Job Type
Contractual Position with Potential for Full-Time Employment Based on Performance Review
Experience Required
4 years of experience in Java & Technologies
Company Description
Welcome to Unitalks Technologies! We are a managed services provider that helps our clients hire top-quality talent. We are hiring for one of our clients in Bengaluru, more details will be provided about the company and culture later in the process.
Role Description
This is a contract role for a Senior Java Software Engineer. As a Senior Java Software Engineer, you will be responsible for designing and developing software solutions, building and maintaining Microservices architectures, and programming using Spring Boot. This role is based in Bengaluru and is an on-site position.
Qualifications
- Software Development and Programming skills
- Experience with Microservices and the Spring Boot
- Proficiency in Java, SQL and UNIX
- Good in deployment on different platforms like AWS, Azure, etc.
- Strong problem-solving and analytical skills
- Excellent communication and teamwork abilities
- Bachelor's or Master's degree in Computer Science or a related field
- Experience with Agile methodologies and CI/CD pipelines
- Knowledge of cloud platforms and containerization technologies is a plus
- Analyze highly complex business requirements;
- generate technical specifications to design or redesign complex software components and applications;
- Acts as an expert technical resource for modeling, simulation and analysis efforts;
- Adapt to change quickly and adjust work accordingly in a positive manner;
- Be flexible and thrive in an evolving environment;
- Individual contributor to build the application for e-commerce platform;
- Assures quality, security and compliance requirements are met for supported areas;
- Working in cloud data stores to include S3, DynamoDB and/or Amazon RDS;
- Perform test automation in a test-driven development environment;
- Implement DevOps concepts, tools and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira, etc;
- Implement instrumentation to gather business-specific metrics around consumer usage patterns;
Skills:-
Java, SpringBoot, OOps, Microservices and Basic in SQL.
Responsibilities: -
Experience in application components using Spring Boot.
Should possess application development experience in Java 7/8, Spring Framework, Spring Boot.
Design and develop micro services/APIs using either Java/Spring boot. · Experience working in Agile environment and good understanding of Agile processes.
Good in any front end technologies like React JS
Experience in AWS
Knowledge of Application Server like Tomcat, Testing frameworks like JUnit Skills:
Spring Boot, Swagger, Tomcat , Maven, Jenkins, Git, Postman, kubernetes, Docker, Hibernate.
Strong knowledge on both SQL and NOSQL Databases.
Possess excellent communication and interpersonal skills and can articulate your ideas to different stakeholders.
Proficient understanding of code versioning tools, such as Git.
Experience in working as a team to design, document, develop, test, implement and maintain modular, multi-tier large Java applications.
Great interpersonal and communication skills
Job Functions: Information Technology.
Employment Type - Full-time.
Good to have:
API Integrations with UI Layer
You will get while working with us
- Opportunity to work on highly distributed systems with micro-services architecture and big-data volumes
- Solve challenging real-world problems by leveraging OOP & functional programming concepts
- Opportunity to incubate an open source project
- Get to work with cutting edge technologies to name a few Kafka, Elasticsearch, Postgres, Scala
- Developing scalable, sustainable and reliable enterprise systems
- Hands-on experience of working with TDD and BDD
- Develop environment using practices such as Continuous Integration, Continuous Delivery
- Learning opportunity on how to turn complex business requirements into a working product
Roles & Responsibilities
- Requirement understanding & analysis by interacting with client
- Carry out architectural and design discussions with fellow team members and come up with right approach
- Understand system domain, user’s perspective of system and use-cases
- Understand patterns in existing code and effectively leverage and improvise it
- Develop backend involving Java8 based functional programming and REST services
- Ensure best practices of code reviews, automated testing and CI
- Research new tools & technologies required for the projects
- Mentor fellow team members and bring their level up
Must have
- Strong hold on written/verbal communication
- Strong core Java fundamentals
- Strong Analytical & problem solving skills
- Proactive and inherent nature of working with ownership
- Passion of writing clean code
- Experience in designing relational data model from business requirements
Good to have
- Knowledge of functional programming (Scala or Java 8 lambda)
- Knowledge of NOSQL
- Working knowledge of linux & networking
- Performance optimisation - Optimise/refactor queries, code, stored procedures to take performance next level
- Strong fundamentals in data structures, algorithms.
- Strong fundamentals in Core Java/J2EE.
- Familiarity with any one of Spring, Struts, Hibernate frameworks.
- Familiarity with code design principles, patterns, and best practices in java.
- Understanding of SQL and NoSQL databases.
- IDE/Tools - Eclipse, NetBeans, Ant, Maven, Gradle
- Web Technologies - XML/XSD, HTML 5.0, CSS 3.0, JavaScript, JQuery, YUI
- Configuration Management - GIT, Subversion SVN
- Active participation in one or more open-source projects is a strong plus
- Familiarity with the AWS cloud ecosystem is a strong plus.
- OCJP certified will be an added advantage.
- Hands-on with *Unix/Windows based systems.
Requirements
- High self motivation to lead & build projects from beginning to end;
- You've shipped multiple products and are willing/able to demonstrate how you solved specific problems to solve users needs;
- Excellent communication in presenting your code and communicating what problems they are solving while giving/receiving feedback;
- Ability to quickly grasp goals and requirements from light specifications;
- Must be able to effectively & efficiently work with stakeholders spreads across many timezones;
- 5+ years of Android experience working in a modern commercial web development environment and shipping solid product;
- Experience in Springboot, Microservices, JPA, oracle database.
- Must have experience in authentication mechanism like LDAP, SSO, any authentication server, role management
Perks
- Ground floor opportunity with the team; shape the strategic direction of the company.
- Work with sharp, motivated and passionate co-workers spread across many regions.
- Rare opportunity to make real positive impact on the world!
- 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








