Web designer

ompany Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Job Title: Java Developer

Experience range:- 3-6 Years

Location:- Chennai

Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)

·    Strong written/verbal communication skills

·      Minimum 3+Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·    Good knowledge of the JVM with an understanding of performance and memory optimization.

•  Good experience in Spring boot.
•  Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

•  Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

•  Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

•  Expert level understanding of Object-Oriented Concepts and Data Structures

•  Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Strong UI/UX Designer Profile

Mandatory (Experience 1) - Must have 4+ years of hands-on experience as a UI/UX Designer

Mandatory (Experience 2) - Must have hands-on experience across the end-to-end UI/UX process, including user research, user flows, and information architecture

Mandatory (Tools 1) - Advanced proficiency in Figma for wireframing, prototyping, and high-fidelity UI design

Mandatory (Tools 2) - Familiarity with modern design tools such as Adobe Creative Suite (Photoshop, Illustrator) and/or Sketch

Mandatory (Portfolio) - Strong portfolio is mandatory, showcasing detailed case studies with user research, design rationale, UX process, wireframes, and final UI outputs across web and/or mobile platforms

Mandatory (Note): CTC Hike range will be 10-20%

• Strong Product Designer profile, with both UI and UX works for B2C Products
• Mandatory (Experience 1) - Must have a 3+ YOE in end-to-end Product Design, including UX work like UX Research, User Persona, Workflows
• Mandatory (Experience 2) - Expertise in tools like Figma, Sketch, Adobe XD, and others to create high-fidelity wireframes and prototypes
• Mandatory (Portfolio) - Must have a strong portfolio of UI/UX of Good B2C products. Portfolio must show detailed case studies including Wireframing, Prototype, Interaction Design and Visual Designs

Preferred

Job Summary:

We are seeking a skilled Senior Data Engineer with expertise in application programming, big data technologies, and cloud services. This role involves solving complex problems, designing scalable systems, and working with advanced technologies to deliver innovative solutions.

Key Responsibilities:

• Develop and maintain scalable applications using OOP principles, data structures, and problem-solving skills.
• Build robust solutions using Java, Python, or Scala.
• Work with big data technologies like Apache Spark for large-scale data processing.
• Utilize AWS services, especially Amazon Redshift, for cloud-based solutions.
• Manage databases including SQL, NoSQL (e.g., MongoDB, Cassandra), with Snowflake as a plus.

Qualifications:

• 5+ years of experience in software development.
• Strong skills in OOPS, data structures, and problem-solving.
• Proficiency in Java, Python, or Scala.
• Experience with Spark, AWS (Redshift mandatory), and databases (SQL/NoSQL).
• Snowflake experience is good to have.

What you need to have:

Experience

• 15+ years with deep expertise in Telecom domain spanning FTTx/PON, L2/L3 Packet Transport (Ethernet Switching and IP Routing) and Cloud networking from both traditional products and transformational products (disaggregated, virtualized, and based on open-source software).  

Key Responsibilities:

• Architectural (design and implementation) ownership of the Radisys BBA solution
• Architect product in consultation with PLM, pre-sales, and customers
• Contributing to and working on strategic deals, enterprise frameworks and comfortable presenting to senior leadership and Customers.
• Ability to quickly engage in proposals, work in a fast-paced environment and have the ability to multi-task.

Domain Skills Requirement:

• Deep knowledge of Telecom with FTTH solution is a must.. Hands-on experience in developing access solutions based on PON technologies
• Experience with deploying product at scale in a carrier-grade network
• Hands-on experience in developing Microservices in a container, orchestration, CI/CD-based environment.
• SDN and NFV 
• Wireline: ONF’s SEBA and VOLTHA Community and the challenges 
• CUPS (Control and User Plane Separation) 
• Wireline Access: OLTs, BNGs, ONTs, Residential Gateways (RGs) 
• PON Technologies: GPON, XGS-PON, NGPON-2, and Higher speed next gen PON standards (25G, 50G, 100G) 
• Ethernet Switching (L2) & IP Routing (L3); Software Defined Networking (ONOS, ODL) 
• Installing, running, and managing with Kubernetes (k8s) and Containers 
• Management and Orchestration (e.g., ONAP), Network Management, OSS/BSS, and TM Forum standards 
• Practitioner of Agile/SCRUM/SAFe

Qualification:

• Masters / Bachelor in any discipline of Engineering (Computer Science, Electronics preferred)