Java Microservices Development

JOB DESCRIPTION

Experience: 4-7 years

Location: Bangalore

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. - 4-7 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 client- facing 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.

Requirements:

• Excellent knowledge of Core Java (J2SE) and J2EE technologies.
• Hands-on experience with RESTful services and API design is a must.
• Knowledge of microservices architecture is a must.
• Knowledge of design patterns is a must.
• Strong knowledge of Exception handling and logging mechanism is a must.
• Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed in hybrid (on-prem/cloud) environments.
• Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
• Experience in managing the Source Code Base through Version Control tools like SVN, GitHub, Bitbucket, etc.

We're seeking passionate, next-gen minded engineers who are excited about solving complex technical challenges and building innovative, first-of-its-kind products which make a tangible difference for our customers. As a Backend SDE-1, you will play a key role in driving strategic initiatives, collaborating with cross-functional teams across business, product, and operations to solve exciting problems. This role demands strong technical acumen, leadership capabilities, and a mindset focused on innovation and operational excellence.

We value individuals who think independently, challenge the status quo, and bring creativity and curiosity to the table—not those who simply follow instructions. If you're passionate about solving problems and making an impact, we'd love to hear from you.

Key Responsibilities

• Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Understand broader organization goals and constantly prioritise your own work.
• Technical Excellence: Understand the onground problems, explore and design various possible solutions to conclude and implement scalable, extensible and secure software systems. Implement and learn best practices in technical architecture, coding standards, and software testing to ensure product delivery with highest speed AND quality.
• Project and Program Management: Setting up aggressive as well as realistic timelines with all the stakeholders, ensure the successful delivery of engineering projects as per the defined timelines with best quality standards ensuring budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
• Cross-functional collaboration: Collaborate with Product Managers, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
• Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• 1+ years of experience in software engineering
• Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
• Strong understanding of software design principles and patterns.
• Hands on with multiple programming languages and modern development frameworks.
• Understanding of relational and non-relational databases.
• Experience with Redis, ElasticSearch.
• Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.

Skills:- MySQL, Python, Django, AWS, NoSQL, Kafka, Redis, ElasticSearch

About Team:

CaratLane's mission is to help customers express their emotions through jewellery. Consumer Experience Technology team is an enabler to deliver the exceptional Consumer Experience and WoW business features in large scale website, apps and backend systems.

What do we want:

* 5 to 8 years of experience in Java and Spring Boot working with large scale backend applications

* Expertise in PostgreSQL and any of caching databases

* Experience in developing RESTful/GraphQL APIs and microservices based applications

* Good problem solving and debugging skills.

* Exposure on event-driven, asynchronous I/O

* Good knowledge of engineering excellence: Unit Testing/TDD, Code quality, Documentation, CI&CD

* Experience in non-functional requirements (Scalability, Performance optimisation, Security)

* Experience is Linux development and AWS ecosystem tools

Role

Backend engineers at AssetSprout work on our products. They include software for Certified Financial Planners, their clients, and also internal admin tools. They work with the CTO, frontend engineers, and other backend engineers to deliver towards the company’s vision.

Responsibilities

• Develop and own product features end to end in a scalable, secure and maintainable way. The buck stops with you on whatever you own.
• Provide technical solutions through design, architecture and implementation. Wear multiple hats in delivering greenfield projects from concept to production. 
• Establish, advocate and bring your experience on coding styles, best practices, and in scaling the product from MVP to production.
• Iterate fast. Display maturity in prioritizing towards velocity while balancing quality. As a startup, we break or make on how fast we deliver.
• Teach and mentor other backend engineers. Focus on providing technical expertise and solutions regardless of how long one has been working professionally.

Requirements

• We are language and framework agnostic as long as you can pick up new technologies.
• Proficient and expert level coding skills with any of the programming languages, preferably Java, Kotlin. Experience in Python, C++, Scala etc. is welcome.
• Develop web applications and services using Spring Boot. Experience with Akka, Play, Flask, Django is welcome.
• Write automated tests with any of the frameworks. We measure success on how well your code is unit tested and integration tested.
• Advanced level understanding of RDMS systems, preferably Postgres. Working knowledge of non-relational databases such as DynamoDB, Cassandra is helpful
• Able to use CI/CD tools such as CircleCI, GitLab, Jenkins etc. and create workflows and pipelines to release to production every other day.
• Expert level understanding of RESTful APIs, pagination, networking concepts around HTTP, thread pools, and other server-side concepts.
• Solid experience of how AWS services work. Some cloud services directly relevant are Lambda, EC2, S3, Dynamo, RDS, Eventbridge, SQS, ElastiCache Redis, Load Balancers etc.

Good-to-haves

• Early or mid-stage startup experience
• Eager to work in a flat organization with no corporate politics
• Positive energy with a get-it-done attitude.
• Worked in a remote environment and high trust and high responsibility role
• Working knowledge of build systems like Gradle, Maven, Bazel, Webpack etc. We use Gradle

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

As Back end developer, we expect you to be motivated in solving real-life complex problems and create compelling experiences for our Resellers. Being a small company we have a culture of creative problem solving, intellectual design, fast-paced development, and passionate product delivery. Enhance or build Restful web services for our mobile app.

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.