Java SE/SSE

Responsibilities

• Technical Leadership & Architecture: Serve as a technical authority, define cloud-native standards, and own end-to-end system design for complex, distributed, and high-scale solutions.
• Engineering Excellence: Lead modernization initiatives, transition legacy systems to microservices, and ensure performance, scalability, and security.
• Platform & Cloud Enablement: Champion GCP-native services (GKE, Cloud Run, Pub/Sub, BigQuery, Cloud SQL, Spanner), influence CI/CD, and drive FinOps strategies.
• Mentorship & Organizational Impact: Mentor Lead and Senior Engineers, foster engineering rigor, and collaborate with Product Management to translate business strategy into technical solutions.

Required Skills, Experience & Background

• 12+ years of professional experience building enterprise-grade software systems.
• Proven experience operating at a Lead or Principal Engineer level.
• Strong hands-on experience with Java or another major programming language (e.g., Go, Python, C#).
• Deep expertise in microservices architecture, RESTful APIs, and distributed systems.
• Strong experience with SQL and NoSQL databases and data modeling.
• Expertise in cloud-native design principles (stateless services, scalability, resiliency).
• Strong experience building and operating systems on Google Cloud Platform (GCP).
• Proficiency with containers and orchestration (Docker, Kubernetes, GKE).
• Experience with CI/CD pipelines, Git-based workflows, and observability.
• Experience with Big Data and data engineering technologies (e.g., BigQuery, Spark).

Qualifications

• Bachelor’s degree in computer science or related field (required).
• Master’s degree in computer science or related field (preferred).

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. - 6 to 12 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.

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. 

Job Details: 

• Three plus years of experience in IT systems analysis and application program development
• Experience in an Object Oriented Programming language such as Java is a must
• The candidate must be a hands-on coder doing active development
• Extensive experience programming in Java Application Development & RESTful API
• Experience in AWS Cloud technologies is optional but good to have
• Proficient in Object-Oriented Programming (OOP) concepts, workflows, and design patterns

• 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.

What you bring to the table

• Education: Bachelor's degree in IT, computer science or related
• Experience: 5-9 years of relevant experience for SSE role
• Exposure to microservices, API management tools like Swagger
• Must have experience in working on Agile Scrum teams in the past and exposure to any of the Agile project management tools like Jira, Mingle, RTC, TFS etc.
• Proficient in application log analysis.
• Experience Java/JEE Development - especially EJB 2.1 / 3.0, JDBC
• Experience with application servers such as JBoss AS or IBM WAS is an advantage
• Experience in SQL programing using PostgreSQL / MySQL /Maria DB and JPA (Annotation Based)
• Knowledge of build tools such as Maven or Gradle and of continuous integration tools such as Jenkins, Nexus
• Basic knowledge of web services (SOAP or REST) and web technologies (HTML, CSS, JS)
• Basic knowledge of containers like Dockers, basic knowledge of cloud infrastructure
• Ability to interact and coordinate with employees at different levels, different groups, and different geographical locations within the company
• Ability to support multiple existing applications as well as work on building new ones
• Ability to provide accurate project estimates and make recommendations on specific technologies to use based on business requirements
• Good verbal and written Communication.
• Readiness for short term Domestic and International Travels

Preferred

• Industry knowledge with respect to payments systems and processing in the Debit/Credit and Account based payments (EFT Switching) from different channels like POS, ATM or ecommerce, Card Management System and Real Time Payment Systems.
• Exposure to the Interchange Interfaces like Visa Net, MasterCard, BankNet
• Exposure to Interchange Simulators and Mandates Management.