Full Stack Developer

Roles and Responsibilities:

- Provide technical leadership across SDLC: system analysis, design, development, testing, and deployment.

- Promote architectural and development best practices, including API and DB design.

- Understand and configure platform business requirements.

- Lead design reviews and implement best design principles.

- Implement technology strategies for customer and partner organizations.

- Lead and manage the development team.

- Stay updated with emerging technologies and make tech building block choices.

- Bring fresh perspectives and imaginative ideas.

- Conduct regular change management sessions in collaboration with Project/Program Manager.

- Oversee DevOps processes for platform development and deployment.

- Mentor top tech talent within the organization.

- Collaborate with teams from other technology partners.

Required Skills & Experience:

- Hands-on experience with multiple technology streams (Java/J2EE, dynamic languages, Springboot, Junit, Web Services, Design Patterns).

- In-depth knowledge of GIT, Maven, Jenkins, YAML/JSON, Open API Contract (Swagger), and Postman.

- Expertise in Microservice architecture, Docker, Kafka, Kubernetes, and REST concepts.

- Knowledge of Python and Analytics.

- Hands-on experience with Oracle, Postgres/PSQL, or other SQL databases.

- Familiarity with Elasticsearch, NodeJS, and ReactJS.

- Understanding of authentication applications like KeyCloak.

- Excellent OO design abilities and proven design skills.

- Ability to compare options, make decisions, and consolidate abstractions from different teams.

- Experience leading teams in end-to-end development and implementation.

Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, data structure and SQL skills .

Required Skills:

• Experience - 5 to 10 years.
• Experience in Core Java 5.0 and above, CXF, Spring.
• Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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, preferably Sybase database.
• Good knowledge of multi-threading and high-volume server-side development.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills in Java.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About the role:

We are seeking a highly motivated Senior Software Engineer with expertise in building scalable, extensible applications, identifying and addressing performance bottlenecks, collaborate with other team members to innovate current/new products; Identify, communicate and implement best practices for application engineering. Our engineering process is fully agile and has a really fast release cycles - which keeps our environment very energetic and fun.

What you’ll do:

• Architect, Design and build scalable applications.
• Work with Product Management teams to get maximum value out of existing data.
• Contribute to continual improvement by suggesting improvements software system.
• Ensure high scalability and performance
• You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.
• Ability to deliver great results in an agile development
• Strong verbal and written communication skills

We’d love for you to have:

• Experience: 3-5 years of experience as a backend developer is required
• Education: B.Tech. in Computer Science from tier - 1 engineering colleges in India

• A self-starter who is passionate about problem solving across complex technology stack.
• Highly skilled back-end engineer using Object-Oriented programming preferably Java, exposure to open source libraries and frameworks.
• Strong knowledge and experience in REST based programming using Restlet framework.
• Ability and experience in evaluation and integration of third party systems and libraries.
• Experience in system architecture, data structures, algorithm design and their optimization.
• Passion for performance benchmarking and debugging.
• Strong knowledge of web standards (i.e. REST/SOAP) concepts
• Knowledge of version control (GIT) and databases (MySQL)
• Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple location organization).
• Experience in Test-driven development.

• 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

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Skills:

• Expertise in Python 3 on AWS serverless
• Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
• Proficient in modern microservice-based architectures and methodologies.
• Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
• Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
• Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
• Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
• Experience with Github and advanced Github features (good to have).
• Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.

Must skills:

Hands- on in the following:

• Java 8/J2EE
• Spring boot
• Gradle/Maven
• REST API
• ORM- hibernate/ JPA
• Unit Testing and Integration Testing- Junit/ TestNG

Good to have:

Hands-on in the following:

• CI/CD pipeline deployment
• Messaging- ActiveMQ/RabbitMQ/MQ
• DB2
• Kafka
• NoSQL framework exposure