Backend Engineer

Greetings!

Wissen Technology is hiring for Java developers/Lead.

Required Skillset

• 6+ years of industrial experience
• Java and related frameworks.
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
• Exposure on Fintech domain is mandatory
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.

Company Profile:

Company Name : Wissen Technology

Group of companies in India : Wissen Technology & Wissen Infotech

Work Location - Bangalore

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

Job Description: As a .NET + Angular Developer, you will be responsible for developing and maintaining web applications using .NET technologies and Angular. You will work on a variety of projects, including the design and implementation of RESTful APIs, microservices, and front-end components. Your role will involve applying best practices in software development, including test-driven development (TDD) and automated unit testing, to ensure the delivery of high-quality software solutions.

Key Responsibilities:

• Develop and Maintain Applications: Design, develop, and maintain web applications using .NET, C#, ASP.NET, and Angular.
• RESTful API Development: Create and manage RESTful APIs to enable seamless integration between front-end and back-end systems.
• Microservices Architecture: Work on microservices-based architectures to enhance scalability and maintainability of applications.
• Automated Unit Testing: Implement automated unit tests to ensure code quality and reliability.
• Test-Driven Development (TDD): Apply TDD principles to write efficient and effective code.
• Database Management: Design and manage databases using MSSQL, ensuring data integrity and performance.
• Collaboration: Work closely with cross-functional teams, including front-end developers, UX/UI designers, and product managers, to deliver high-quality software solutions.
• Documentation: Maintain comprehensive documentation for code, APIs, and system architecture.

Required Skills and Qualifications:

• Proficiency in .NET Technologies: Strong experience with .NET, C#, and ASP.NET.
• Front-End Development: Expertise in Angular for building dynamic and responsive user interfaces.
• RESTful APIs: Experience designing and consuming RESTful APIs.
• Microservices: Knowledge of microservices architecture and implementation.
• Database Skills: Proficiency in MSSQL for database design and management.
• Automated Unit Testing: Experience with automated unit testing frameworks and tools.
• Test-Driven Development: Familiarity with TDD methodologies and best practices.
• Problem-Solving: Strong analytical and problem-solving skills with the ability to troubleshoot and resolve issues efficiently.
• Communication: Excellent verbal and written communication skills.

Preferred Qualifications:

• Experience with additional front-end frameworks or libraries.
• Knowledge of DevOps practices and tools.
• Familiarity with Agile methodologies.

What We Offer:

• Competitive salary and benefits package.
• Opportunities for professional growth and development.
• Collaborative and inclusive work environment.
• Flexible working hours and remote work options (if applicable).

Job Role:

As a senior R&D Java Engineer, you will work in a highly collaborative, dynamic environment. Your work will impact a lot to make world bit safer place. You’ll design creative solutions to problems faced by companies due to cyber attacks. You will work closely with other partners such as product and pre-sales managers, UI developers, and other software engineers to develop new product offerings and improve the efficiency of the solution.

Responsibilities:

• Develop, modify, and implement, the software components of Nimesa Product.
• Assist QA Engineers with the creation and review of the test cases
• Write junits and test automation if anything required to have the coverage
• Assist other Engineers with the creation of detailed software design specifications.
• Keep an eye out for technology trends, and open-source projects that can be used.

Requirements:

• Bachelor's or Master's degree in computer science or relevant fields.
• At least 3+ years experience in end-end software development for large design and coordinating project teams in the SaaS industry.
• Software development experience with Java and Spring / Springboot, RabbitMQ, MYSQL etc
• Must have worked on fairly complex products from scratch
• Strong knowledge of data structure, multithreading and other comp science concepts (SQL or NoSQL)
• Excellent social and communication skills
• Demonstrated expertise in building Web Applications, Enterprise Applications, Web Services, and Management at scale is a requirement.
• Experience with Design patterns
• Knowledge of cloud-based architectures, deployment and operational aspects of Amazon Web Services cloud

We are seeking a skilled and experienced Senior Backend Engineer proficient in Java to join our dynamic team. The ideal candidate will have 4-7 years of hands-on experience in Java development, particularly in building robust backend systems and microservices architecture. As a Senior Backend Engineer, you will collaborate with cross-functional teams to design, develop, and deploy scalable and efficient backend solutions to support our products and services.

Responsibilities:

1. Design, develop, and maintain high-performance backend systems and microservices using Java.
2. Collaborate with product managers, frontend engineers, and other stakeholders to understand requirements and translate them into technical specifications.
3. Implement best practices in software development, including code reviews, testing, and documentation.
4. Optimize and refactor existing codebase for improved performance, scalability, and maintainability.
5. Troubleshoot and debug issues in production environments and provide timely resolutions.
6. Stay updated with industry trends and emerging technologies to propose innovative solutions and improvements.
7. Mentor junior engineers and contribute to their professional growth and development.
8. Participate in agile ceremonies such as sprint planning, stand-ups, and retrospectives.

Requirements:

1. Bachelor's degree in Computer Science, Engineering, or a related field.
2. 4-7 years of professional experience in backend development with a focus on Java.
3. Strong proficiency in Java programming language and its ecosystem.
4. Experience with building scalable and distributed systems using microservices architecture.
5. Proficiency in Spring Framework (Spring Boot, Spring MVC, Spring Data, etc.).
6. Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
7. Experience with RESTful API design and implementation.
8. Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform.
9. Knowledge of containerization and orchestration tools like Docker and Kubernetes is a plus.
10. Excellent problem-solving skills and attention to detail.
11. Strong communication and collaboration skills.
12. Ability to work independently and in a team-oriented environment.
13. Experience with Agile/Scrum methodologies.

Preferred Qualifications:

1. Master's degree in Computer Science or a related field.
2. Experience with DevOps practices and CI/CD pipelines.
3. Knowledge of reactive programming frameworks like Akka or Vert.x.
4. Familiarity with message broker systems such as Kafka or RabbitMQ.
5. Contributions to open-source projects or active participation in the developer community.

About Telstra:

Telstra is Australia’s leading telecommunications and technology company, with operations in more than 20 countries. At Telstra, We've implemented an IT strategy that employs leading-edge software engineering practices to help deliver a superior customer experience with improved trust and speed of delivery, lower cost, and simplified architecture, systems and processes.

Your key responsibilities and major tasks include, but are not limited to

• As a backend Java developer, you will work within a specific problem space critical to Telstra’s current needs where you will design, develop, and deploy backend services with a focus on scalability, high availability, and low latency.
• Review and integrate all application requirements, including functional, security, integration, performance, quality, and operations requirements.
• Apply engineering best practices such as Agile, CI/CD, and DevOps as part of a high performing motivated team.
• Collaborate and grow in a dynamic and autonomous environment while working in small, agile, and cross functional teams
• Pivot to working on new features and developments, to providing production support in the production and pre-production environments assisted by all team members. This responsibility is equally shared by all members of the team.
  
  

We are looking for candidates with the following experience and skills:

Essential skills and Experience

• 3 years – 7 years year experience in this area
• Must have strong Java programming background (preferably Java 8+)​
• Preferred Frameworks – Spring Boot​
• Unit Testing, Integration testing and Automated testing. ​
• Experience with Continuous Integration/Deployment​
• Microservices development – HTTP, REST API​ design and implementation​
• Comfortable to operate in an agile, dynamic environment​.

• Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics, or related technical field. Relevant experience of at least 3 years in lieu of above if from a different stream of education.

• Well-versed in and 3+ hands-on demonstrable experience with: ▪ Stream & Batch Big Data Pipeline Processing using Apache Spark and/or Apache Flink.
  ▪ Distributed Cloud Native Computing including Server less Functions
  ▪ Relational, Object Store, Document, Graph, etc. Database Design & Implementation
  ▪ Micro services Architecture, API Modeling, Design, & Programming

• 3+ years of hands-on development experience in Apache Spark using Scala and/or Java.

• Ability to write executable code for Services using Spark RDD, Spark SQL, Structured Streaming, Spark MLLib, etc. with deep technical understanding of Spark Processing Framework.

• In-depth knowledge of standard programming languages such as Scala and/or Java.

• 3+ years of hands-on development experience in one or more libraries & frameworks such as Apache Kafka, Akka, Apache Storm, Apache Nifi, Zookeeper, Hadoop ecosystem (i.e., HDFS, YARN, MapReduce, Oozie & Hive), etc.; extra points if you can demonstrate your knowledge with working examples.

• 3+ years of hands-on development experience in one or more Relational and NoSQL datastores such as PostgreSQL, Cassandra, HBase, MongoDB, DynamoDB, Elastic Search, Neo4J, etc.

• Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.

• Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.

• Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.

• Perform benchmarking/stress tests and document the best practices for different applications.

• Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.

• Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.

• Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.

  Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.

• Well-versed in AWS and/or Azure or and/or Google Cloud; must demonstrate experience in at least FIVE (5) services offered under AWS and/or Azure or and/or Google Cloud in any categories: Compute or Storage, Database, Networking & Content Delivery, Management & Governance, Analytics, Security, Identity, & Compliance (or) equivalent demonstrable Cloud Platform experience.

• Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.

• Good understanding of Network, Data, and Application Security basics which will enable you to work in a Cloud as well as Business Applications / API services environment.

About the role:

We are looking for an experienced Software Development Engineer II (SDE2) to help deliver high visibility and impact features for the ChakraHQ Platform. ChakraHQ Platform is the world's first Omnichannel Process Automation Platform. Imagine AWS but for operations and business teams; built on cutting edge technology stacks, to solve problems for modern businesses.

Technology specialists at ChakraHQ are at the core of the company's decisions and vision. As an SDE2, you will contribute to the design and development of the core technology stack of the ChakraHQ Platform. Working closely with Engineering, Product Management, Sales and Customer Success you will take ownership to develop features, plugins and custom fixes that will materially impact customer’s and ChakraHQ’s business. You will also be responsible for maintaining a streamlined build and CI/CD system. You will help coordinate the incorporation of upstream features into the ChakraHQ Platform. 

Technologies you will work with: NodeJs, PostgreSQL, Serverless, Elasticsearch, Kibana, AWS, Google Cloud

Responsibilities:

• Design, develop and maintain features, services, products that are part of ChakraHQ
• Own delivery of said features and services
• Own success of the products by tracking its lifecycle with customers
• Build systems that scale horizontally
• Write automated tests to ensure code quality
• Work with customers to build a product roadmap
• Work with sales & marketing to sell your product to end-users
• Work as an integral part of an agile software development team to build features end-to-end
• Support those features in the ChakraHQ production environment by participating in an on-call rotation

Position Requirements:

• Bachelor's degree in Computer Science.
• 3+ years of experience working on teams to develop and deploy web or mobile applications
• Extensive experience in any one backend programming language - Java, NodeJS
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design
• Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amounts of data.
• Proficiency with git and Github workflows
• Expertise with test-driven development and automated testing
• Excellent analytical and problem-solving skills
• Excellent communication skills and fluent English
• Open to learn and work on new technologies

Type: Individual contributor with good hands on proficiency. 

Must have

• Strong proficiency in at least one of  Java, Ruby, Python
• Exposure to databases: any of  PostgreSQL, MySQL, Apache Cassandra
• Any NoSQL database experience is a plus
• Exposure to AWS cloud infrastructure: EC2 or S3 
• Proficiency with Git
• MUST: Using REST to make API calls. 

Great to have: 

• Experience working with one or more middleware, enterprise bus, queueing frameworks
• Any of Memcached/Redis, Apache Kafka / RabbitMQ / PubSub+ / AmazonMQ

Soft skills:

• Appreciation for clean and well documented code

What will you do at Tradyl:

(Examples for illustration only)

• Build a shipping service module that is called by our website to query shipping rates from India to a destination country. Configure this to so that an Ops person can update shipping costs as and when they change. Own deployment and monitoring of this service. 
• Use Zapier to build a workflow to export a MixPanel report into a Google sheet every day.
• Change our supplier portal (built on bubble.io) to make an API call to our customer facing site, whenever a supplier modifies his profile.
• Write an alert mechanism that identifies catalogues with insufficient information and makes them non discoverable, which can run every day.
• Work with Business Team to design a workflow for product inwarding using Airtable. Write a small app within Airtable so that whenever a product is updated as “shipped” in airtable, it updates the customer facing website.
• Use an open source dashboarding framework to create a quick dashboard to track important business events. 

Experience: 2 - 5 years

Talents from Product/eComm/Internet firms Only

Key Skills: Spring boot, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr, Design Patterns, Java, Distributed systems, AWS

Looking for team members passionate about building platforms for next billion users and re-imagine the e-commerce for mobile-first users. You will be building solutions for personalization, logistics, search & discovery, payments, fraud prevention, and scalability that works and solve problems elegantly

Responsibilities:

• Develop server-side components, REST APIs

• Assume ownership for existing and new modules including design, development, and unit testing for enhancements of existing modules and development of new modules.

• Analyse problems logically and exercise sound judgment in defining, evaluating, and solving difficult technical and operational problems where solutions may be of a precedent-establishing nature.

• Lead the design and architectural improvements

• Participate and collaborate with team members in design discussions, determines areas of complexity, potential risks to successful implementation, suggest enhancements to architecture, implement POCs, and enhance application.

• Reduce technical debt with quality coding

 
Requirements:

• A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field) from IITs and Premier Engineering College.

• Excellent Object Orientation, coupled with excellent problem solving and debugging skills.

• Highly skilled at Java and related technologies, including Java Frameworks like Spring-boot or Drop wizard, RESTful web services, JSON, Servlet, JSP, MySQL, MongoDB, Kafka, AWS Solr.

• Must have hands-on experience in building scalable and secure back end systems.

• Have hands-on experience with systems that are asynchronous, RESTful and demand concurrency

• Good to have knowledge of best software engineering practices for all stages of the software development life cycle, including coding standards, code reviews, testing, deployment.

• Experience level: 2-5 years of software development experience in Java with web architecture and scalable design