
Must have very good experience in Java development.
Must have a very good understanding of data structure & algorithms.
Must be very good at coding & problem solving skills.
Must be very good in multithreading, Collections, OOPS concepts.
Good to have experience in Java 8.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Job Title : Python Django Developer
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Working Days : 6 Days (Monday to Saturday)
Job Summary :
We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.
Key Responsibilities :
- Write efficient, reusable, testable, and scalable code using the Django framework.
- Develop backend components, server-side logic, and statistical models.
- Design and implement high-availability, low-latency applications with robust data protection and security.
- Contribute to the development of highly responsive web applications.
- Collaborate with cross-functional teams on system design and integration.
Mandatory Skills :
- Strong programming skills in Python and Django (or similar frameworks like Flask).
- Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
- Strong understanding of SQL and NoSQL ORM.
- Solid grasp of data structures, multithreading, and operating system concepts.
- Experience with RESTful API development and implementation of API security.
- Knowledge of JSON/XML and their use in data exchange.
Good-to-Have Skills :
- Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka
- Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs)
- Familiarity with MongoDB and other NoSQL databases
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Profile - SQL Database
Experience - 5 Years
Location - Bangalore (5 days working)
Mandatory skills - SQL, Stored Procedures, MySQL
Notice Period - Immediate Joiners
Job Description -
- Strong experience in SQL
- Experience in Databases - MySQL & PostgresSQL.
- Experience in writing & adjusting Stored Procedures, T-SQL.
- Experience in Query optimization Index creation, SQL Joins, Sub-Queries.

- Design and Develop: Architect, design, and implement high-performance Java-based backend services and applications.
- Code Quality: Write clean, efficient, and well-documented code following industry best practices and coding standards.
- Technical Leadership: Provide technical guidance and mentorship to junior developers, promoting best practices and fostering a collaborative environment.
- Collaboration: Work closely with frontend developers, product managers, and other stakeholders to understand requirements and deliver robust solutions.
- Performance Optimization: Identify and resolve performance bottlenecks and scalability issues.
- Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests.
- Continuous Improvement: Stay current with the latest industry trends, technologies, and best practices in Java/Golang development, and continuously improve our development processes.
Requirements:
- 4-6 years of experience in developing Enterprise Web Applications using Java/J2EE technologies with a good professional track record.
- Excellent knowledge in Core Java (J2SE) and J2EE technologies.
- Proficient knowledge in Servlets, JDBC & JSP.
- Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
- Strong knowledge of Exception Handling, Collections, File I/O Streams, Interfaces, and logging mechanisms is a must.
- Experience in developing REST APIs and integration of third-party APIs.
- Proficient knowledge in SQL/PLSQL.
- Expertise in application/web server deployment and connection pooling techniques.
- Cloud deployment (AWS & Azure) will be an added advantage.
- Experience in Version Control tools like Git, Bitbucket, etc.
- Experience in data security and protocols is a must.
- Maven and IDE tools experience is a must.
- Multi-threading and serialization techniques knowledge is a must.
- Good understanding of end-to-end software development lifecycle.
- Ability to read and understand requirements and design documents.
- Good Analytical skills and should be self-driven. Good communication with interpersonal skills.
- Open to learning new technologies and domains.
- A good team player and ready to take up new challenges
- Languages: Java(J2SE), J2EE (Servlets, JSPs, JDBC)
- Databases: MySQL, Oracle, SQL Server, PostgreSQL.
- DB Script: SQL and PL/SQL
- Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
- OS: Windows, Linux/Unix.
- Cloud Services: AWS and Azure (Good to have)
- Version Control tools: Git, Bitbucket.
- Deployment Servers: Tomcat, JBoss, and Web sphere
- Build Tools: Gradle/Maven
Responsibilities include:
- Develop and maintain data validation logic in our proprietary Control Framework tool
- Actively participate in business requirement elaboration and functional design sessions to develop an understanding of our Operational teams’ analytical needs, key data flows and sources
- Assist Operational teams in the buildout of Checklists and event monitoring workflows within our Enterprise Control Framework platform
- Build effective working relationships with Operational users, Reporting and IT development teams and business partners across the organization
- Conduct interviews, generate user stories, develop scenarios and workflow analyses
- Contribute to the definition of reporting solutions that empower Operational teams to make immediate decisions as to the best course of action
- Perform some business user acceptance testing
- Provide production support and troubleshooting for existing operational dashboards
- Conduct regular demos and training of new features for the stakeholder community
Qualifications
- Bachelor’s degree or equivalent in Business, Accounting, Finance, MIS, Information Technology or related field of study
- Minimum 5 years’ of SQL required
- Experience querying data on cloud platforms (AWS/ Azure/ Snowflake) required
- Exceptional problem solving and analytical skills, attention to detail and organization
- Able to independently troubleshoot and gather supporting evidence
- Prior experience developing within a BI reporting tool (e.g. Spotfire, Tableau, Looker, Information Builders) a plus
- Database Management and ETL development experience a plus
- Self-motivated, self-assured, and self-managed
- Able to multi-task to meet time-driven goals
- Asset management experience, including investment operation a plus
2. Design software and make technology choices across the stack (from data storage to application to front-end)
3. Understand a range of tier-1 systems/services that power our product to make scalable changes to critical path code
4. Own the design and delivery of an integral piece of a tier-1 system or application
5. Work closely with product managers, UX designers, and end users and integrate software components into a fully functional system
6. Work on the management and execution of project plans and delivery commitments
7. Take ownership of product/feature end-to-end for all phases from the development to the production
8. Ensure the developed features are scalable and highly available with no quality concerns
9. Work closely with senior engineers for refining and implementation
10. Manage and execute project plans and delivery commitments
11. Create and execute appropriate quality plans, project plans, test strategies, and processes for development activities in concert with business and project management efforts


Role & Responsibilities:
- Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
- Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
- Transform business and design needs into innovative products.
- Drive all projects to completion within deadlines.
- Perform thorough testing to find issues ahead of time.
- Engineering software needs more precise analysis & coding skillset
- Enhance skillset by working with fortune 500 clients
- Interacting with internal team.
Qualifications:
- B.E in computer science or related fields.
- Hand on development experience with web & database technologies (MS SQL).
- Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
- Ability to work at the tactical and strategic levels of IT initiatives.
- Impressive hands-on experience in .Net technologies. Impressive hands-on experience and knowledge with C#, SQL, JSON, XML, Win Forms & MVC, Angular, JavaScript, jQuery , HTML/CSS.
- Self-Motivated, flexible & Innovative.
We are looking for a Senior Microsoft SQL Developer to design, develop, test, plan, implement and maintain conceptual and logical database models.
For this role, you should know how to analyze system requirements and implement migration methods for existing data. Hands-on experience with SQL Server 2012 and above is also required. Ideally, you are familiar with database design, reviewing code, writing stored procedures, creating and modifying SQL agent jobs, making structural changes to tables and views.
Ultimately, you will develop database solutions to ensure project information is stored effectively and securely.
We’re a fast-growing company with clients in the United States, UK, and Australia. You will join a team of talented developers, quality engineers, product managers whose mission is to impact above 100 million people across the world with technological services by the year 2030.
Working as Senior Microsoft SQL Developer at Navtech, you will:
- Design conceptual and logical data models and flowcharts.
- Improve system performance by conducting tests, troubleshooting, and integrating new elements.
- Design and Build database systems of high availability and quality depending on each end user’s specialized role.
- Help write and optimize in-application SQL statements.
- Handle common database procedures such as upgrade, backup, recovery, migration, etc.
- Ensure performance, security, and availability of databases.
- Use high-speed transaction recovery techniques and backup data.
- Provide proactive and reactive data management support and training to users.
- Determine, enforce and document database policies, procedures, and standards.
- Perform tests and evaluations regularly to ensure data security, privacy, and integrity.
- Monitor database performance, implement changes, and apply new patches and versions when required.
- 5+ years of experience in SQL Server Development with at least 1 year of Lead experience.
- Advanced experience in database monitoring, troubleshooting, performance tuning, and high availability strategies for SQL Server 2016, SQL Server in Cloud (AWS RDS preferred).
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- Ability to work with other developers and engineers to analyze database performance and identify problems in areas such as execution plans, index coverage, and SQL server statistics.
- A thorough understanding of Performance Monitoring, Tuning, and Optimization, using native and third-party monitoring and troubleshooting tools.
- Advanced knowledge of SQL Server Disaster Recovery (DR) options, Always On availability groups, and experience administering Windows Server, including Active Directory, Failover clustering, database partitioning, security, and encryption (a plus).
- Experience supporting SSIS, SSRS, replication, database mirroring (a plus).
- PowerShell scripting experience with the ability to write automated scripts and strong knowledge of system tables and DMV’s is required. (a plus).
- Administering Microsoft SQL Server databases in a high transaction, 24x7 database environment (a plus).
- Experience in Postgres, No-SQL databases (a plus).
- MCSA SQL Server 2012/2016 , MCSE or MCDBA (a plus).
- Should have excellent logical, analytical, and communication skills with client interaction experience.
Benefits
- Working with industry giants while following your passion for technology.
- Competitive pay package with additional bonus and benefits.
- Performance review and Appraisal Twice a year.
- Family Health Insurance cover for self and family.
- Work with US, UK, and Europe-based industry-renowned clients for exponential technical growth.
- Work with a culturally diverse team from different geographies
We are seeking talented, motivated engineers who will be part of a dynamic global team delivering and supporting technology infrastructure to meet the growth needs of the business.
As a Product Support Engineer, you will collaborate with the Engineering, Product and Support teams to ensure the designed product and service is fully operational with streamlined processes and procedures for addressing reported bugs and anomalies. Production Support Engineers will take ownership of resolving product issues through its life cycle and communication to multiple stakeholders.
This is a programming role which requires a good understanding of Java along with solid debugging skills so complex workflows can be debugged and solved. You will own the code you push to production
To be successful, you must be an excellent team player and self motivated person who can carry out duties with minimal supervision.
Skills you need to have:
-
A good understanding of SQL
-
An understanding of Java and Java design patterns
-
L4 support
-
Good debugging and problem solving skills
-
Excellent communication
Bonus Skills:
-
An understanding of SpringBoot and ORM's
About us:
NetCracker Technology, a subsidiary of NEC Corporation, is the leading provider of BSS/OSS solutions to service providers around the world. From billing, customer care, and real-time charging and policy solutions, to resource and network management, service fulfillment & assurance, our comprehensive software and services capabilities enhance the customer experience through content-rich offerings and reduced costs.
NetCracker's innovative end-to-end BSS/OSS solutions enable service providers to operationalize next-generation connectivity, maximize the convergence of Network and IT, monetize content, and deliver a compelling customer experience.
Founded in 1993, NetCracker became a subsidiary of NEC Corporation in 2008 and acquired the Convergys Information Management division in 2012. We are CMML 5, Product based company.
Job Responsibilities:
- Work as a member of development team towards the Product Suite
- Estimating efforts and duration on development
- Involved in solution implementation projects
- Interaction with Business Analysts, Quality Assurance and Customer Support teams
- Provide expertise and best practices on technical aspects of product development and implementation projects including performance
- Introduce new development technologies, instruments and techniques
Job Requirements:
- Experience in writing technical design and development of the application
- Good understanding and hands-on work experience in Core Java/J2EE & concepts such as OOPS, multithreading, Collections, Concurrency, Exception Handling, JDBC, File I/O, XML APIs etc
- Should have worked on Java 1.8
- Design skills –Design Patterns, hands on in restful services
- Working experience on spring core
- Hands on in writing complex SQL queries
- Knowledge of web-services (REST and SOAP);
- Familiarity with NOSQL [eg. Mongo DB] is preferred;
- Familiarity with message queues like Kafka.
- Know-how on containerization applications like Docker, Kubernetes is preferred.
- Proficient understanding of code versioning tool – SVN.
- Hands-on experience in writing Unit tests using Junit.
- Working experience in Jenkins, Maven, SonarQube.
- Experience in tuning applications based on Performance tests/ Load tests/ Stress tests is preferred.
- Knowledge of development lifecycle, standards, approaches, utilities and environment: shells, IDEs.
- Familiarity with JIRA / JQL is an added advantage
Experience:
- 5 to 11 years of core development / Product experience
Education:
- BE/Btech/MCA

