Senior Software Engineer

Job Title: Java Developer

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. - 5 to 14 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.

Company: Enpointe.io

Location: Mumbai

Experience: 3-5 years

Employment Type: Full-Time

About Enpointe.io:

Enpointe.io is an innovative tech company focused on building scalable and high-performance applications. We leverage modern frameworks and backend technologies to develop enterprise-grade solutions. If you're passionate about Java development, backend systems, and scalable architectures, we invite you to join our growing team.

Position Overview:

We are looking for a Java Developer with expertise in backend development and API design. The ideal candidate will have strong Java programming skills and experience in developing, optimizing, and deploying scalable backend applications. You will collaborate with cross-functional teams to build and maintain robust systems.

Key Responsibilities:

Backend Development:

• Develop and optimize Java-based applications using Spring Boot and related frameworks.
• Implement microservices architecture and RESTful APIs.
• Ensure backend applications are scalable, secure, and high-performing.

Database Management & Integration:

• Design and manage relational and NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Optimize queries and ensure data integrity and performance.
• Work with caching mechanisms like Redis for improved efficiency.

Software Development & Deployment:

• Develop and maintain Java-based backend services.
• Work with version control systems (Git, GitHub, GitLab).
• Deploy applications in cloud environments (AWS, GCP, or Azure).

Optimization & Security:

• Optimize backend applications for performance, scalability, and efficiency.
• Implement best practices for security, authentication, and authorization.
• Stay updated with the latest Java and backend development trends.

Required Skills and Qualifications:

• Strong proficiency in Java (JDK 8+) and Spring Boot.
• Experience with microservices architecture and RESTful API development.
• Proficiency in SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Experience working with unit testing frameworks like JUnit.
• Knowledge of CI/CD pipelines and DevOps practices.
• Strong problem-solving skills and ability to work in a fast-paced environment.

Nice to Have:

• Experience with Kafka or RabbitMQ for messaging.
• Familiarity with Docker and Kubernetes for containerization.
• Knowledge of authentication frameworks like OAuth, JWT.

Role: Back End Developer

Industry Type: IT Services & Consulting

Department: Engineering - Software & QA

Employment Type: Full Time, Permanent

Role Category: Software Development

• Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing with (Junit, Mockito)
• Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
• Strong experience in applying Object-Oriented design principles and Design Patterns
• Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented Architecture 
• Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
• MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
• Additionally, must possess capability to review code, produce technical specification document
• and knowledge of code quality tools (PMD/FindBugs/Sonar)

What kind of work will you get?

We are looking for a java developer.

Examples of technical tasks:

Working on our backend SDK to implement APIs that will be consumed by the frontend widgets

Designing APIs for different auth recipes

Architecting auth flows

You will also be given non technical tasks like product brain storming, competitor analysis and writing documentation.

Note: Compensation is as per the applicant's geography

Requirements

Well versed in java with 2+ years of professional experience

Familiar with and comfortable working with Web frameworks like FastAPI, Django and Flask

Familiar with HTTP networking in java

Strong understanding of async and sync modes in java

Bonus:

Contributed to open source, or have your own open source repo with a community and many github stars

Built an in-house authentication or authorization solution or worked with solutions such as Keycloak, Auth0, Ory, Okta etc

If you like our project, please star us on https://github.com/supertokens/supertokens-core">Github

Note: Compensation is as per the applicant's geography

Recruitment Process

Initial Filtering

Apply

Technical Interview (1/2) - 1.5 hours

Discussion on your past work, this will involve sharing your work (code and output) via screen share

Architecture discussion and general programming related live code problems.

You will be allowed to use Google throughout the interview and you will be required to have screen share on.

This call will be with the CTO

Technical Interview (2/2) - 1.5 hour

This will involve a discussion to assess the breadth and depth of your technical knowledge and general questions on various technical topics.

You will not be asked to write any code

This call will be with the CTO

Chat with the Co-Founder - 1 hour

This call will involve a general discussion to assess culture fit

What we are scouting for

• BS/MS in computer science or equivalent work experience in IT
• 2+ years’ experience designing and developing applications using Java EE platforms
• A strong hands-on programming knowledge in Core Java including Java 8. To solve the problem given in optimized way.
• Strong knowledge on the Data structure and algorithm.
• Experience developing and designing API integrations using SOAP/RESTful
• Should be able to understand the time complexity of the existing algorithm. Able to compare different algorithms available.
• Expert understanding of the object-oriented design and programming concepts
• Know the fundamentals of Object-Oriented Programming using Java;
• Used SQL & NoSQL solutions
• Experience in GIT/SVN, build tools such as Ant/Maven/Gradle
• Experience in JUnit, Sonarqube, Mockito, Jacoco, Maven & Jenkins

Technical Competency – Nice to have

• Experience in Dependency Injection, Annotation, Validations, Auto Wiring
• Good knowledge in internal working on Memory Management, Transaction management
• Knowledge on DevOps pipeline tools like Jenkins, tools for Code quality scan, tools for security scan
• Spring boot
• Spring MVC
• Any Java Certification

Behavioural Competency

• Strong interpersonal communication skills
• Ability to lead self and team toward common goals
• Excellent oral and written communication, presentation, and analytical skills
• Excellence in technical communication with peers and non-technical cohorts

What you will be doing

• As a self-motivated and enthusiastic member of our team, you will work with extremely talented peers in a fun environment building performance efficient payment authorization services that are highly scalable, configurable and available
• You’ll work in an Agile environment with a focus on problem solving and engineering excellence.
• Worked independently and as a member of a team, determined to make active contributions to the assigned Team
• Flexible and adaptable approach to the roles assigned to you
• Ability to coordinate and prioritize tasks, and work in a fast paced and challenging environment
• Deliver on time under dynamics with a high level of integrity and flexibility, sense of urgency, attention to detail and quality standards
• Make a large impact on the design, architecture, and implementation of cutting edge products
• Work with other team members to investigate design approaches, prototype new technology

and evaluate technical feasibility

• Work in an Agile/Scrum environment to deliver high quality software
• Establish architectural principles, select design patterns and then mentor team members on their appropriate application

About the Role

The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for technical leaders with passion and experience in architecting and delivering high-quality distributed systems at massive scale.

Responsibilities & ownership

• Lead end-to-end delivery and customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product
• Lead and mentor others about concurrency, parallelization to deliver scalability, performance and resource optimization in a multithreaded and distributed environment
• Propose and promote strategic company-wide tech investments taking care of business goals, customer requirements, and industry standards
• Lead the team to solve complex, unknown and ambiguous problems, and customer issues cutting across team and module boundaries with technical expertise, and influence others
• Review and influence designs of other team members 
• Design and deliver architectures that run optimally on public clouds like GCP, AWS, and Azure
• Partner with other leaders to nurture innovation and engineering excellence in the team
• Drive priorities with others to facilitate timely accomplishments of business objectives
• Perform RCA of customer issues and drive investments to avoid similar issues in future
• Collaborate with Product Management, Support, and field teams to ensure that customers are successful with Dremio
• Proactively suggest learning opportunities about new technology and skills, and be a role model for constant learning and growth

Requirements

• B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
• Fluency in Java/C++ with 15+ years of experience developing production-level software
• Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models and their use in developing distributed and scalable systems
• 8+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
• Subject Matter Expert in one or more of query processing or optimization, distributed systems, concurrency, micro service based architectures, data replication, networking, storage systems
• Experience in taking company-wide initiatives, convincing stakeholders, and delivering them
• Expert in solving complex, unknown and ambiguous problems spanning across teams and taking initiative in planning and delivering them with high quality
• Ability to anticipate and propose plan/design changes based on changing requirements 
• Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
• Passion for learning and delivering using latest technologies
• Hands-on experience of working projects on AWS, Azure, and GCP 
• Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure,  and GCP) 
• Understanding of distributed file systems such as  S3, ADLS or HDFS
• Excellent communication skills and affinity for collaboration and teamwork