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Job Title : Java Developer (Walk-In Interview – Gurgaon)
Experience : 3+ Years
Location : Gurgaon (Work from Office)
Interview Mode : 1. Virtual 2. Walk-In
Skills Required : Java, Spring Boot, Multi-threading, PostgreSQL, Redis
Job Description :
We are hiring Java Developers with expertise in Spring Boot, Multi-threading, PostgreSQL, and Redis.
Key Responsibilities :
- Develop and maintain Java-based applications with a strong focus on Spring Boot.
- Implement multi-threading and optimize application performance.
- Work with PostgreSQL for efficient data management.
- Utilize Redis for caching and performance enhancement.
- Collaborate with cross-functional teams to design, develop, and deploy scalable applications.
Technical Skills:
✅ Java (3+ Years) – Strong coding and problem-solving skills.
✅ Spring Boot – Experience in building microservices-based applications.
✅ Multi-threading – Knowledge of concurrency and thread-safe programming.
✅ PostgreSQL – Database design, optimization, and query performance tuning.
✅ Redis – Experience with caching mechanisms for high-performance applications.
Eligibility :
- 3+ Years of hands-on experience in Java development.
- Bachelor's/Master’s in Computer Science or a related field.
- Strong analytical and debugging skills.

Job Details
- Job Title: Senior DevOps Engineer
- Industry: Consumer Internet, Technology & Travel and Tourism Platform
- Function - IT
- Experience Required: 4-7 years
- Employment Type: Full Time
- Job Location: Bengaluru
- CTC Range: Best in Industry
Criteria:
- Strong DevOps / Infrastructure Engineer Profiles.
- Must have 4+ years of hands-on experience working as a DevOps Engineer / Infrastructure Engineer / SRE / DevOps Consultant.
- Must have hands-on experience with Kubernetes and Docker, including deployment, scaling, or containerized application management.
- Must have experience with Infrastructure as Code (IaC) or configuration management tools such as Terraform, Ansible, Chef, or Puppet.
- Must have strong automation and scripting experience using Python, Go, Bash, Shell, or similar scripting languages.
- Must have working experience with distributed databases or data systems such as MongoDB, Redis, Cassandra, Elasticsearch, or Kafka.
- Candidate must demonstrate strong expertise in at least one of the following areas - Databases / Distributed Data Systems, Observability & Monitoring, CI/CD Pipelines. Networking Concepts, Kubernetes / Container Platforms
- Candidates must be from B2C Product-based companies only.
- (Education) – BE / B.Tech or equivalent
Preferred
- Experience working with microservices or event-driven architectures.
- Exposure to cloud infrastructure, monitoring, reliability, and scalability practices.
- (Skills) – Understanding of programming languages such as Go, Python, or Java.
- Preferred (Environment) – Experience working in high-scale production or fast-growing product startups.
Job Description
As a DevOps Engineer, you will be working on building and operating infrastructure at scale, designing and implementing a variety of tools to enable product teams to build and deploy their services independently, improving observability across the board, and designing for security, resiliency, availability, and stability. If the prospect of ensuring system reliability at scale and exploring cutting-edge technology to solve problems, excites you, then this is your fit.
Job Responsibilities:
- Own end-to-end infrastructure right from non-prod to prod environment including self-managed DBs
- Codify our infrastructure
- Do what it takes to keep the uptime above 99.99%
- Understand the bigger picture and sail through the ambiguities
- Scale technology considering cost and observability and manage end-to-end processes
- Understand DevOps philosophy and evangelize the principles across the organization
- Strong communication and collaboration skills to break down the silos
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts.
What will I be doing?
As the UX Lead, focused on our Core Experience area, you will define a cohesive strategy and deliver cross-team, multi-phase projects from concept through implementation.
You need to lead an existing team that will be focused on creating a simple, easy-to-use, and best-in-class experience for our users. You'll lead a team of 4-5 product designers not only by means of their product work, and you'll also be a coach and foster their career development
You'll work cohesively with the leadership and engineering team.
Roles and Responsibilities:
- Analyze the product’s present UX pitfalls, optimization, and growth opportunity or the impact of a user problem and then help tune the project scope accordingly with the product partners
- Understand frequency of usage and the relative importance of a feature/experience, and how it fits into the complete product
- Rationally narrow down to a design recommendation with a strong focus on short-term and long-term implications of the choice Independently deliver high-quality visual design work and support the production with the engineering partners
- Write relevant front end code (HTML, CSS)
What Skill do I need?
- We emphasize proof of work more than your credentials. Lead and support key design projects
- Relevant work experience of 5+years (preferably in a start-up space)
- Demonstrated experience leading multidisciplinary UX/Product design teams to deliver high-quality projects at scale
- Proficient in Sketch, XD, Photoshop, Illustrator, or other design tools
- Has experience working in AGILE methodology
- Knowledge of current UX best practices, including user research and accessibility across mobile and web
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
- Job Brief Summary
We are looking for Java Developers who have proficient experience in Micro services. Someone who is ingenious focussed and will work collaboratively with the team.
- Roles & Responsibilities
- Participate in requirement understanding of the client and help tech lead to provide size estimations.
- Follow agile practices and work collaboratively with the team.
- Develop and write a unit test for code.
- Ability to commit code on the repository.
- Coordinate with team members to manage branches and resolve conflicts.
- Mandatory Skills & Knowledge
- Sound knowledge in building RESTful Services using Spring Boot framework with micro services.
- Proficient knowledge of Core Java, Advance Java, Micro services, Web services, Multithreading, spring boot, Spring Framework, Database, Dockers, Kubernetes.
- Good knowledge in Database Schema design.
- Expertise in deploying Sprint Boot / Micro services.
- Familiarity with AWS as cloud hosting, AWS APIs.
- Experience in writing Unit Test cases.
- Languages / Frameworks:
- Spring Boot
- Hibernate/ JPA
- Experience in Micro services architecture
Job Description:
We are looking for a Java developer responsible for developing Web applications using Core Java and JDBC. Your primary responsibility will be to quickly learn to design and develop applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.
- Excellent knowledge of object-oriented programming.
- Well-versed in Core Java (1.7 and above preferable, with knowledge of new features like Executor framework, Generics, etc.).
- Excellent experience of collections, HashMap, concurrency packages, Exception Handling and Array List, sorting algorithm.
- Strong knowledge and understanding of real-time, low-latency multi-threaded server-side java code.
- Familiar with various design and architectural patterns.
- Skill for writing reusable Java libraries.
- Knack for writing clean, readable Java code.
- Experience with both external and embedded databases.
- Understanding fundamental design principles behind a scalable application.
- Basic understanding of the class loading mechanism in Java.
- Creating database schemas that represent and support business processes.
- Should possess good communication skills (both oral and written).
- Must be completely hands-on and an individual contributor and a self-starter.
- Must be able to complete assignments (suitable to his/her experience) with minimal assistance.
- Very good at Analytical and Logical skills.
- Solid understanding of the web development lifecycle.
- Ability to learn quickly and deliver software on time.
If you are looking forward for this opportunity, kindly apply with us with below asked details:
Total Experience:
CTC:
ECTC:
NP:
Current Location:
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