Backend Developer

Job Description

We are seeking a highly skilled and experienced Backend Engineer to join our dynamic and fast-paced development team in Bangalore. The ideal candidate will have expertise in Java development, particularly in Java 8 or above, and extensive hands-on experience with Apache Spark, Spark Streaming, and Spring Boot for developing scalable and high-performance microservices. The candidate must also have strong problem-solving skills, a deep understanding of distributed computing, and experience with cloud technologies (Azure).

Key Responsibilities

• Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot in Java 8 or above.
• Write efficient and maintainable Spark and Spark Streaming code for processing large-scale data in real-time.
• Implement Java 8 advanced features such as Functional Interfaces, Lambda Expressions, Streams, Parallel Streams, Completable Futures, and Concurrency API improvements.
• Work with relational (SQL) and non-relational (Cosmos DB) databases for data modeling and optimization.
• Utilize Maven for building and deploying artifacts to the snapshot repository.
• Collaborate with cross-functional teams, including Product, Business, Automation, and other stakeholders, to define, design, and deliver new features.
• Follow Agile SCRUM methodologies for software development and actively participate in sprint planning and retrospective meetings.
• Maintain version control using Git and ensure best practices for code collaboration and peer code reviews.
• Implement CI/CD pipelines using tools such as Jenkins and GitHub Actions to automate build and deployment processes.
• Work with Azure Cloud Technologies to build and deploy cloud-based applications.
• Apply software design patterns and best practices in backend development to enhance system architecture and scalability.
• Troubleshoot and debug applications, ensuring high performance, security, and scalability.
• Keep up to date with the latest industry trends, tools, and technologies to continuously improve development processes.

Minimum Qualifications

• BS/MS in Computer Science or equivalent.
• 4+ years of industry experience in developing highly scalable microservices and optimized RESTful APIs using Spring Boot in Java 8 or above.
• 3+ years of experience in version control tools like Git.
• 3+ years of experience working in an Agile SCRUM environment.
• Strong understanding of software design patterns and distributed computing concepts.
• Solid experience in relational and non-relational databases (SQL and Cosmos DB).
• Experience with Maven for building and managing dependencies.
• Knowledge of CI/CD workflows and experience with Jenkins and GitHub Actions.
• Prior enterprise experience in working with Azure Cloud Technologies.
• Proven ability to work collaboratively with cross-functional teams to deliver high-quality product features.
• Strong problem-solving skills, debugging techniques, and ability to troubleshoot complex issues efficiently.

Preferred Qualifications

• Experience with Kafka or other messaging queues for real-time data processing.
• Exposure to Docker, Kubernetes, and container orchestration tools.
• Hands-on experience with NoSQL databases like MongoDB, Cassandra, or DynamoDB.
• Experience with performance optimization techniques for backend applications.
• Knowledge of test-driven development (TDD) and unit testing frameworks like JUnit.

Role - Senior Backend Developer

About

It is an AI powered GTM intelligence platform for B2B companies. We aims to become the

Master OS on top of the company's entire martech stack. We are integrating multiple sales and

marketing products into an all-in-one platform, adding smart workflows and machine learning/LLM

based intelligence applications to increase qualified pipeline and funnel conversions. It is growing

fast, has an experienced founding team and is funded by top tier investors.

About the Role

We are seeking a Senior Java Microservices Developer who is a highly skilled professional responsible for designing, developing, and maintaining microservices-based applications using Java technologies.

The job description for a Senior Java Microservices Developer typically includes the following responsibilities and requirements:

Responsibilities:

Design and develop microservices-based applications using Java technologies such as Spring

Boot, Spring Cloud, and Hibernate.

Collaborate with cross-functional teams including product managers, architects, and DevOps to

develop and implement scalable and reliable microservices.

Develop and maintain high-quality code by adhering to coding standards, best practices, and

software development methodologies.

Participate in code reviews, bug fixing, and troubleshooting to ensure high-quality code and

maintain system stability.

Work with stakeholders to understand business requirements and translate them into technical

designs.

Conduct performance analysis and optimization of microservices to ensure optimal system

performance.

Continuously improve the codebase through refactoring, code optimization, and documentation

Requirements:

Bachelor's or Master's degree in Computer Science or a related field.

5+ years of experience in Java development, with a focus on microservices development.

Strong knowledge of Java technologies such as Spring Boot, Spring Cloud, Hibernate, and RESTful

API development.

Experience in designing and developing highly scalable and reliable microservices.

Experience with containerization technologies such as Docker and Kubernetes.

Experience in developing and maintaining CI/CD pipelines.

Strong understanding of database technologies, SQL, and NoSQL databases.

Experience with cloud technologies such as AWS or Azure.

Excellent communication and collaboration skills to work effectively with cross-functional teams.

A Senior Java Microservices Developer is a critical role in the development of microservices-based

applications, and they must have a deep understanding of Java technologies and microservices

architecture to be successful in the role

We are a technology company, at a stage where we are moving fast ahead. We have been enabling enterprises to derive the value of Data Science and technology. At Lumiq, we are thinking every day about how to use the latest technology and concepts to build products which can help our customers and enterprises in all aspects of their businesses.

We create Data oriented enterprise applications. The applications must be scalable and robust. This position creates the exact kind of enterprise applications which are easy to configure and manage from the end-user perspective. The integration with all the different services and APIs plays an important part in the whole architecture.

Eligibility

Experience and Qualification

• 2-5 Years of experience with Drools/Kofax Workflow.
• Java Microservices: 2-3 years Spring Boot, Spring Integration or Batch.
• Working knowledge of Databases
• Design and develop high-volume, low-latency applications for critical systems, delivering high-availability and performance.
• Write well designed testable, efficient code, and ensure that the designs comply with specifications.
• Bachelor's Degree in Computer Science or equivalent

Must Have Skills

• Java
• Drools
• Any Relational Database
• GIT

• Design & build a highly scalable, robust backend architecture for our cloud services
• You will be part of a software development team for developing and enhancing SaaS applications.
• Take responsibility of entire module/feature set and develop, test, debug and maintain the application software throughout the product lifecycle
• Working with the Product Management Team to validate and plan new features
• Working with cross-functional teams to deliver stellar end user experience
• Research new technologies and tools that help in building the next generation of our services
• Test, debug and maintain the application software throughout the product lifecycle

• Must have experience with web development in Java 8+, Spring/J2EE or similar frameworks and technologies. (Mandatory)
• Must have worked on REST API (Mandatory)
• Should be an enthusiast for writing clean, reusable code, willing to learn new things as a self-starter person
• 2+ years of strong relevant experience in developing Object-oriented technologies.
• Strong working experience with any of the following DBs - Postgres / MySQL / Oracle or MSSQL
  

Skills Required:

• Must-Have: Java, Spring/spring-boot, Data structure, Algorithm
• Any 2 (Must) out of the below-mentioned list : 

a.     JPA/Hibernate

b.     Messaging queue/Kafka/SQS/distributed message/SNS/JMS

c.     NoSQL/Aerospike/Reddis/Cassandra

d.     Microservices

Roles and Responsibilities:

• Technical design, implementation, deployment, and support.
• Partner with Business Analysts to review and implement business requirements.
• Perform development and unit testing, working closely with Business.
• Mentors and oversees the development of resources, including reviewing designs and performing code reviews.
• Ensure designs are in compliance with specifications
• Contribute to all phases of the development lifecycle
• Developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
• Should have experience of working on Core Java/J2EE & OOPS concept
• Should be well versed with Spring/Struts & Apache Camel (OSGI Framework)
• Should have a good understanding of Hibernate and Other ORMs
• Should have an understanding of working on Web Service (SOAP/REST) and Maven
• Build tools such as Jenkins
• Caching Technique(Radis, Hazlecast, Aerospike)
• Database Knowledge - Oracle, MySQL