Technical Architect

We are solving complex technical problems in the financial industry and need talentedsoftware engineers to join our mission and be a part of a global software development team. As a Java Full Stack Developer, you will be responsible for designing, developing, and maintaining enterprise applications using Java and Angular. You will collaborate with cross-functional teams to define, design, and ship newfeatures, and you will work closely with Architects to ensure the technical feasibilityof designs and implement them accordingly

Responsibilities include designing and developing high-volume, low-latency applications for mission-critical business systems/application services and modules. Delivering high availability and performance. We expect them to contribute to all phases of the development lifecycle including writing well-designed, testable, efficient code. Must be capable of working independently and collaboratively. 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

• 6-10 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

• Hands-on experience with ReactJS

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

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

• At least two years of 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 (Class loading, 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)

• Hands-on experience with Relational and NoSQL databases (Mongo DB or Cassandra either one is a must)

• Hands-on experience in one of the cloud AWS, Google or Azure.

• Hands-on with Rest based web services

• Work experience either following CLOUD (AWS or Azure or GCP) will be an advantage.

Experience • 1-3 years

Skill to Test

• Java EE (Servlets, JSTL, JSP, JDBC)

• ReactJS

Primary Skills

• Java EE (Servlets, JSTL, JSP, JDBC)

• Frontend frameworks (ReactJS and/or Angular)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

Secondary Skills (nice to have)

• Passionate about implementing UX\UI of web applications

• Microsoft SQL Server (writing optimized queries, stored procedures, triggers etc.)

• API Design (REST, JAX-RS)

• Understanding Apache Tomcat configuration and deployment of web applications

• Understanding of browser technologies and limitations

• Authentication and Authorization (SAML, OAuth, OpenID, Okta)

2

Soft Skills

• Thrives collaborating in a team environment with a diverse range of people

• Passionate about delivering an amazing customer experience

• Able to have a change of mind, and able to change the minds of others

• Writes clearly and concisely

• Capable of working without a company office, with a fully remote team

Growth Skills

• Possesses a good work ethic; a self-starter with a desire to grow

• Always looking for better ways to get the job done

Java Fullstack Developer – Job Description

We are solving complex technical problems in the financial 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.

Experience: 5+ years

Location: Bangalore

Job Description:



• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able 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 hassuccessfully 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 ofservicesincluding 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.

• Hands-on expertise in managing technical teams and work closely with business stakeholders
• Should be familiar with card testing and POS ecosystem.
• Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
• Payment’s domain experience.
• Extensive experience on Base24 & SWITCH part for payment format.
• Exposure on ISO8583 Messaging system.
• API understanding and creation.
• Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
• Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
• Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
• Must have strong technical skills in Android APK and iOS development Concept and Web services.
• Supportability, monitoring, ops in general.
• Accurate cost models to deploy and operate
• Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
• Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
• Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
• Extensive experience with payment devices (pin pads, printers, registers, scanners).
• Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular. 
• Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
• Experience in messaging tools like Kafka/AWS Kinesis etc...
• Design expertise for performance, scalability, fault tolerance and high availability

• Experience with POS systems and Payments domain.
• Demonstrated experience for systems architecture, design, and integration for POS systems
• Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
• Experience with one or more RDBMS databases like MySql, PostGreSQL
• Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
• Caching technologies like: Redis, Elasticache,
• Cloud Providers like: AWS/ Google Cloud / Azure
• CI / CD : Jenkins, Docker, Kubernete
  

Are you interested to work at a place where you are given the opportunity to grow and level up your skills?

Are you looking to build products that are impactful?

Do you want to work with an energetic team, like-minded and passionate programmers? 

Do you like to create impactful and scalable products?

What we Look for

• Bring in a "can-do" attitude
• Passion towards technology and software engineering - open source, pet projects, conference talks, getting better at writing clean code
• Participate in a highly fluid environment applying agile software development principles
• Carry out unit tests and other quality control mechanisms to inform and validate the designs and code
• Work with product owner/BAs  to bring an end to end perspective of the problem
• Ability to ask the right questions and communicate your ideas with clarity
• Ability to collaborate with various stakeholders and take complete ownership
• Participate actively in building one of the most impactful organizations in retail technology

As a Software Engineer …..

• Quickly adapt to our startup environment which is both demanding and fast-paced (but is also a lot of fun) 
• Eager to learn new concepts, and technologies and be productive in short time
• Convert a raw idea into usable real-life software products 
• Write modular, readable and maintainable code
• Good understanding and working knowledge of technologies worked
• Demonstrate good problem solving skills
• Own and be able to manage a small to medium sized modules
• Demonstrate ability to guide and coach a new team member or fresher