Java Developer

Job Title: Lead Java Developer

Location: Bangalore

Experience: 8-12 years (only)

Job Overview:

We are looking for a highly experienced Java / Backend Developer with a strong background in investment banking/trading/brokerages to join our team. The ideal candidate will have extensive experience in developing front office and middle office systems which require high availability, high reliability and low latency/high throughput performance profiles.

Skills & Qualifications:

• 8 to 12 years of experience in Java development, with at least 4 years in the investment banking/financial services domain.
• Strong knowledge of Java, Spring Framework, RESTful web services.
• Hands-on experience with AWS Cloud and related services. Knowledge of Kubernetes is a plus.
• Solid experience with Kafka and/or messaging protocols.
• Familiarity with SQL databases (e.g., Postgres/Oracle).
• Strong problem-solving skills and ability to work in a team.
• Ability to understand and work with distributed systems / microservices architecture.
• Solid written and verbal communication skills to interface with other technology and business stakeholders.

Job description for Python/Backend Developer

We are actively looking for backend software engineers who are passionate about building cutting-edge systems that work on the latest tech stack (Python, Django) but also help save lives. You’ll have the opportunity to learn and lead the development of several AI-enabled products and solutions within the company that are geared to help accelerate the development of new cures and to reduce the inefficiencies in how healthcare information is managed. 

Key Responsibilities:

• Design, develop, and deploy scalable APIs using Python/Django.
• Integrate third-party APIs like Facebook page API, Google Business API, and all other social APIs (10+)
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and testable code.
• Develop and maintain authentication mechanisms, including OAuth, JWT, and SSO integration with third-party providers.
• Optimize and maintain existing APIs for performance and scalability.

Required Skills and Qualifications:

• Education: Bachelor’s degree in Computer Science, Information Technology, or related field.
• Experience:
• 2+ years of experience in Python development.
• Proven experience in designing and developing RESTful APIs.
• Advanced proficiency in Python programming.
• Strong experience with databases (e.g., MySQL, Elasticsearch).
• Hands-on experience with SSO protocols and implementation (e.g., OAuth, SAML, OpenID Connect).
• Experience integrating SSO with third-party providers.
• Proficiency in using JSON Web Tokens (JWT) for secure data exchange

• Technical Skills:
• Proficiency in Python and Python frameworks (Django, Flask).
• Solid understanding of web technologies (HTTP, SSL/TLS, JSON, XML).
• Familiarity with API documentation tools (e.g., Swagger, Postman).
• Experience with version control systems (e.g., Git).
• Expertise in authentication and authorization methods.
• Ability to write clean, maintainable, and efficient code following best practices.
• Experience in writing unit tests for code to ensure reliability and maintainability

Job Description:

1. Experience in Core Java, Spring Boot.
2. Experience in microservices.
3. Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
4. Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
5. Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
6. Good knowledge of multi-threading
7. Basic working knowledge of Unix/Linux
8. Excellent problem solving and coding skills in Java
9. Strong interpersonal, communication and analytical skills.
10. 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 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.

• 3+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

• Minimum 1-year experience is mandatory
• Proven Software Development Skills in Laravel Framework and Core PHP
• Good knowledge and experience in OOPS concepts and Core PHP
• Good Database designing skills in MySQL
• Experience in known APIs like Google, Facebook, etc.
• Knowledge of JavaScript, JQuery, JASON, AngularJS will help
• Passion for Software Development and Coding
• Good Knowledge and Experience in WordPress will help.

• Join a team of great technical professionals that work hard but have fun and enjoy developing state of the art product-based applications and websites. 
• Use best practice coding standards and implement each deliverable.
• Write and manage program and Bug Fixes
• Construct and support integrations that are easy to manage, maintain, customize and configure; ensure overall reliability, availability, and high-performance code.
• Analyze system issues and problems and implement solutions rapidly.
• Manage multiple projects simultaneously varying in sizes and scope
• Work in a fast-paced cross-functional team environment. Effectively handle time-critical issue and appropriately escalate at-risk items.

• Laravel/ Zend/ CakePHP/ CodeIgniter/ Symfony, or equivalent.
• Strong knowledge of OOPs Concepts.
• Computer Science/Software Engineering Bachelor’s degree or higher education.
• Experience in writing high performance and high scalable code using best practice and coding standards. 
• Excellent written and spoken communication skills. 
• Excellent organizational and attention to detail. 
• Good to have familiarity with NoSql DB, web servers (e.g. Apache), caching (Memcache / Redis), Cloud, NodeJs, Microservices architecture Familiar with agile software development methodologies (e.g. SCRUM / Agile / Kanban)
• Must have knowledge of MVC design patterns, XHTML/HTML5, PHP, CSS3, XML, MySQL/MSSQL, JavaScript jQuery, json objects, API, AJAX functionality and client-side validation.
• Understanding accessibility and security compliance.
• Understanding fundamental design principles behind a scalable application
• Knowledge of using version control software such as SVN or GIT will be preferable.
• Experience in either Mobile application or Data Integration with other apps would be preferred.

• 2-4 years of demonstrable hands-on work in web-based application development experiences in a professional environment, including interaction design for dynamic, data-driven applications (not HTML based website) delivered via the web, or the equivalent.