Sr.BackEnd Dev.

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 10 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 the year 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. 

C++ coding and debugging to strengthen and optimize systems.

○ Design and architecture (HLD/LLD) to ensure scalable and robust solutions.

● 10–15 years in the tech industry, with 2–4 years in technical leadership or managerial roles.

● Technical Expertise: Expertise in C++ development, enterprise architecture, andscalable system design, and proficiency in performance optimization, scalability,software architecture, and networking principles.

Extensive experience managing the full development lifecycle of large-scale softwareproducts, from concept to deployment.

● Strong knowledge of STL containers, multi-threading concepts, and algorithms.

Solid understanding of memory management and efficient resource utilization.

● Microservices Architecture Expertise: Experience in designing and implementing

scalable, reliable microservices.

● Strong Communication & Decision-Making Skills: Ability to clearly articulate

trade-offs, make informed decisions, and ensure alignment across stakeholders.

● Commitment to Creating and fostering Engineering Excellence: Deep

understanding of best practices, including code quality, testability, security, and

release management, and passion for fostering a strong engineering culture and

continuously improving developer workflows and tools.

● Self-Driven and Motivated: Ability to operate independently while driving impactful

results.

Experience: 3-10 Years

Qualification- Graduation: Bachelor of Science (B.Sc) / Bachelor of Technology (B.Tech) / Bachelor of Computer Applications (BCA)

Post-Graduation: Master of Science (M.Sc) /Master of Technology (M.Tech) / Master of Computer Applications (MCA)

Roles and Responsibilities:

• Must have experience in Microservice architecture with the ability to collaborate effectively with team members and build positive working relationships.
• Design and build and deploy APIs to meet business requirements.
• High level of commitment to business satisfaction and agility.
• Strong work ethic and a passion for the role, with a positive attitude and a willingness to learn.
• Communicate effectively with the tech lead to thoroughly understand the requirements and highlight any blockers immediately.
• Handle programming and software development, including requirement gathering, bug fixing, testing, documenting, and implementation.
• Work in an agile environment to deliver high-quality solutions.
• Understand and implement Security, Logging, Auditing, Policy Management, and Performance Monitoring.
• Familiarity with relational databases (E.g.: Oracle), non-relational databases (E.g.: MongoDB), MSK Kafka, Docker, Kubernetes, and CICD Technologies (Jenkins, GitHub, Maven)

Designation: Java Back End Developer

1. Strong in Java , Spring Boot, ver.x (Microservices)
2. 5+ year’s software engineering experience working with large scale applications and projects.
3. Knowledge of best practice software development methodologies and coding standards.
4. General knowledge of public cloud infrastructure and data solutions (e.g. AWS)
5. Broad experience designing and developing scalable, resilient, performant applications:
6. Distributed systems
7. Microservices design and implementation
8. Experience working on, and deploying, large scale systems in Java 
9. Experience with relational DBs like MySQL, SQL Server or Oracle.

• Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline
• 2-7 Years of Experience
• Expertise in software design and development
• Proficiency with at least one Object Oriented language (e.g. Java)
• Have knowledge about Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, and complexity analysis
• A strong track record of project delivery for large, cross-functional projects
• Experience with building high-performance, highly available and scalable distributed systems
• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story
• Ability to think and analyse both breadthwise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services

      Experience in C#, OOps, Javascript, HTML

·       Should have delivered successful end-to-end development to deployment experience on Web applications and Api’sin last 1-5 years

·         Experience in SQL is a must

·         Should have 1-5 years experience in backend development

·         Experience in service-based development using technologies such as Web API and RESTful services. 

·         Proficient in writing clean, well-structured code with proper abstraction and reusability.

.         Ability to work to tight deadlines, manage priorities, and take responsibility for delivering to time and quality requirements.

Paytm is looking for hands-on technologists, who will be responsible for architecting & designing new age mobile & web 3.0 products at Paytm.

Key Responsibilities

• Incumbent will be architecting our futuristic mobile & web 3.0 products and choose the best technologies, components and subsystems on different server side tech.
• Driving innovations in the product constantly to remain ahead of the curve.
• Serve as a thought leader and mentor on technical, architectural, design and related issues.
• Proactively identify architectural weaknesses and recommend appropriate solutions.
• Balance short-term versus long-term actions, strategic versus tactical requirements, while continuing to move forward towards the strategic vision.
• Collaborate with cross functional teams to solve complex problems and building products spanning across multiple teams to deliver end-to-end products & features.
• Estimates efforts, identify risks, devises and meets project schedules.
• Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
• Mentor / coach engineers to facilitate their development and provide technical leadership to them. 

Skills required

• MS or BS/B.Tech in computer science or equivalent experience from top college.
• Strong software design/development experience in building massively large scale distributed internet systems and products.
• Should have experience leading small teams.
• Hands-on experience in Advance Java and frameworks, Multithreading, collections and MySQL/NoSQL, golang, etc.
• Excellent data structure & algorithm and problem solving skills.
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
• Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github, Google Developer Groups (GDGs).
• Superior organization, communication, interpersonal and leadership skills.
• Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
• Must be a self-starter who can work well with minimal guidance and in fluid environment.