Senior Software Engineer - Backend

Profile : Java Developer

Experience : 3+ Years

Location : Pune (Viman Nagar)

Mode : 5 Days WFO

(Only immediate joiners & candidates serving notice period)

Roles :

- Java Application Developer

- Microservices Architect

- API Developer

- Code Reviewer

- Technical Problem Solver

- Database Integration Specialist

- Team Collaborator

Responsibilities :

- Design, develop, and maintain Java-based applications using Spring Boot

- Build and deploy microservices architecture following best practices

- Develop RESTful APIs and web services for integration

- Write clean, efficient, and well-documented code

- Implement design patterns for scalable solutions

- Work with databases (MySQL, PostgreSQL) for data management

- Perform comprehensive code reviews and testing

- Collaborate with cross-functional teams (Frontend, QA, DevOps)

- Participate in Agile/Scrum development processes

- Translate business requirements into technical solutions

- Troubleshoot and debug complex application issues

- Follow CI/CD practices for smooth deployment

- Monitor and optimize application performance

Java Developer – Job Description  

Wissen Technology is now hiring 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 consultancy.  

Required Skills:  

• Exp. - 2 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 client facing 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.  

 About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.  

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.  

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.  

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.  

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

• Augmenting, improving, redesigning, and/or re-implementing Dolat's low-latency/high-throughput production trading environment, which collects data from and disseminates orders to exchanges around the world
• Optimizing this platform by using network and systems programming, as well as other advanced techniques
• Developing systems that provide easy access to historical market data and trading simulations
• Building risk-management and performance-tracking tools
• Shaping the future of Dolat through regular interviewing and infrequent campus recruiting trips
• Implementing domain-optimized data structures
• Learn and internalize the theories behind current trading system
• Participate in the design, architecture and implementation of automated trading systems
• Take ownership of system from design through implementation

What we need from you

• You will bring very strong consulting skills, are customer focused and know how to navigate through tough project situations
• You are highly motivated, creative in your approach to technical problems and love all things about Data!
• You spend a significant amount of time to keep your technical skills updated and are constantly looking for the next big data challenge
• You will be a key contributor to our growth and our customer’s success
• You will bring both broad and deep knowledge in Efficient Java (JSP, Servlet) Developer and going forward build the ability to architect a solution by mapping a customer business challenges
• You are resourceful and confident under pressure
• Willingness to travel as needed to customer sites

Competencies:

• Relevant experience on using tools like JSP, Servlet for web applications
• MVC frame works - Struts or Spring
• Web services- SOAP and REST WebLogic, Hibernate
• Middleware technologies MQ OSB.
• Web/App Servers: Tomcat or WebLogic or JBoss
• Experience using Angular, Micro Services using Spring, jersey, Swagger
• Good knowledge of Backend and Front-end technologies
• Good knowledge of Core Java, J2EE, Ajax, Spring, Java Script, jQuery, HTML
• Good knowledge of any RDBMS database like SQL Server, Oracle, MySQL & Cluster set-up, performance benchmarking, client-side API evaluation, knowledge of various deployment strategies
• Strong knowledge with Core JAVA concepts – Exception handling, Multi-threading, Collection, String, OOPS etc…
• Advanced understanding of Windows and Linux based operating systems
• Mainly 3-4 months hands on with reverse engineering and old legacy solutions to new modern applications
• Working knowledge using REST, HTTP, TCP, SCTP protocols
• Hands-on with JAVA frameworks such as – Thread Pool Executor, Object Pooling, Logging (Log4j preferred), XML/JSON handling

Education Criteria:

• Preferred BE degree in CS, E&C, E&E
• Proficient being a J2EE Developer (courses or project done) and data analytics skills
• Flexible to work on any projects assigned

Note: Terms & Conditions

• This opportunity will be work from office

Designation : Technical Lead/ Architect  – Java

Experience: 6+ yrs

Location: Noida

Skills- Must have: Architect exp, design, Strong on Java, cloud, latest tech stacks, hands-on, problem-solving, communication skills, client handling, sprint planning & execution, micro services, spring

 Tech Skills Required:-

-7+ years of design/implementation/consulting experience with distributed applications.

- Experience in infrastructure architecture, database architecture, and networking

- Experience architecting/deploying/operating solutions

- Experience migrating or transforming legacy customer solutions to the cloud

- Working experience on Spring boot / similar frameworks using Java8/11

- Exposure to REST services, web sockets, SOAP services.

- Databases MySQL, PostgreSQL, NoSQL  like MongoDB, Cassandra

- Queuing Systems like Rabbit MQ, ActiveMQ, Kafka

- Implemented MicroServices using design patterns like service discovery, circuit breakers, API Gateway, open-tracing.

- Experience in Security standards like OAUTH2.0, UMA, OpenID-connect.

- Hands-on knowledge on container tools like docker, podman

- Excellent in Problem-solving & solutioning

- Excellent communication skills

- Working knowledge on either of the Top 3 cloud solutions 

Good to have:-

- gRPC

- Kubernetes/Openshift

- Pivotal Cloud Foundry, PKS

- GitHub profile with commit history.

- Certification equivalent to Solutions Architect.

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Recording data and reporting it to proper parties, such as clients or leadership.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
• Taking lead on projects, as needed.

Responsibilities : 

- Developer responsibilities include, but are not limited to the following:

- Experience as a Sun Certified Java Developer with proven hands-on Software Development experience. We use Java 8

- 4-10 years java development experience with JSE/JEE, Java-based Micro-services framework, and implementation, Spring framework, Hibernate framework, SQL, etc

- Hands-on experience on Spring boot & SPARK Microservices and OSGi specifications

- Strong knowledge of micro-service logging, monitoring, debugging, and testing

- Implementations experience of micro-service integration, packaging, building automation, and deployment

- At least two years experience in SOA & Microservices based process applications using BPM (Activiti/JBPM/Camunda)

- Object-Oriented Analysis and design using common design patterns.

- Insight of Java and JEE internals (Classloading, Memory Management, Transaction management, etc)

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

- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC, Spring Boot)

Qualifications: BS/MS degree in Computer Science, Engineering or a related subject and a minimum of 8 years of professional work experience in a mid-d or large corporate Information Technology environment. Highly organized and detail-oriented, with the ability to keep multiple projects and client engagements active at once. Comfort with ambiguity and ability to navigate uncertainty.

EXPERIENCE: 7 to 9 years in Java 2 Enterprise server side development. Must have applied knowledge of design patterns needed for building REST APIs and services for performance and scale.

SKILLS:

- Problem Solving and application of Object Oriented principles to development

- REST API development using Java, JAX-RPC,

- Server side development using Java, Spring Boot, Node.js

- Concurrent programming with Java

- Database programming in SQL with Oracle, MySQL or other RDBMs.

- Deployment to AWS and Kubernetes and building with Maven

- Affinity towards server side development

- Ability to understand existing code and re-engineer/re-factor/redesign.

- Written and spoken English communication and articulation.

NICE TO HAVE:

 - Working knowledge of GO Lang and Python scripting

- AWS Certifications

- Working knowledge of Elastic Search based persistence and search

- Secure coding practices

EDUCATION: Bachelor or Master's degree in Computer Science, Software Engineering or Information Technology or related disciplines.