Java Developer

Job Summary:

We are looking for a highly skilled and experienced Java Backend Developer with 4.5+ years of hands-on experience in backend development, system design, and API integration. You’ll play a key role in designing and building high-performance backend systems that are scalable, secure, and reliable. As a core member of the engineering team, you’ll collaborate closely with product owners, architects, and other developers to deliver quality solutions.

Responsibilities:

• Design and develop backend components, REST APIs, and microservices using Java and Spring Boot.
• Contribute to the architectural decisions and system design discussions.
• Write clean, efficient, and testable code following best practices.
• Optimize application performance, scalability, and reliability.
• Integrate third-party APIs and work with external systems.
• Participate in code reviews, mentor junior developers, and support the team’s technical growth.
• Work closely with DevOps to support CI/CD pipelines and deployments.
• Troubleshoot and resolve complex issues in production and non-production environments.
• Keep up with industry trends and advocate for best practices in backend development.
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Required Skills:

• 4.5+ years of hands-on experience in backend development with Java (Java 8 or above).
• Strong expertise in Spring Framework (Spring Boot, Spring MVC, Spring Data).
• Experience designing and consuming RESTful APIs and working with microservices architecture.
• Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
• Proficient with version control systems like Git and tools like Maven or Gradle.
• Familiarity with Docker, containerization, and cloud platforms (AWS/GCP/Azure).
• Experience with unit testing and integration testing (JUnit, Mockito, etc.).
• Good knowledge of software design principles, data structures, and algorithms.
• Excellent problem-solving skills and attention to detail.

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 seeking a highly skilled Java Developer to join our team. The ideal candidate should have at least 5 years of experience in Java development and be able to work from the office.

Responsibilities:

• Develop high-quality software design and architecture using Java technology
• Produce clean, efficient, and maintainable code
• Conduct code reviews and testing to identify and fix software defects
• Collaborate with cross-functional teams to identify and solve complex software problems
• Design, develop and maintain software applications using Java technology
• Debug and troubleshoot software defects

Requirements:

• Proven experience as a Java Developer with at least 5+ years of experience
• Knowledge of web frameworks such as Spring, Hibernate, and Struts
• Familiarity with Agile methodologies and software development life cycle (SDLC)
• Experience with source code management tools such as Git or SVN
• Excellent problem-solving skills and ability to work independently
• Strong written and verbal communication skills
• Immediate joiners preferred

If you are a Java Developer with a strong work ethic and a passion for developing high-quality software solutions, we encourage you to apply.

• 3 - 6 Years of Experience in Product Development - Experience in Java (8 or 11+), Spring (4+), Spring Boot (2.4+) is a must.
• Understands requirements well and comes up with an efficient design
• Develops complex, well-backed and bug-free products.
• Estimates accurately.
• Takes well-reasoned tech decisions keeping in mind goals and trade-offs
• Become a go-to person in more than one area.
• Provide technical mentoring to team
• Communicates clearly, gets clarifications, and establishes expectations for all parties
• Helps establish SDLC best practices and high standards of code quality
• Demonstrates excellent problem solving & debugging skills
• Proactively identifies and resolves issues in requirements, design, and code

Ideal Candidate Profile :

• Solid experience in Java, Spring Boot, hibernate is a must.
• Solid experience in Java Multithreading, Streams, and Lambda Functions is a must.
• Solid understanding of Apache Products.
• Should have experience in cloud computing (AWS is desired).
• Has an ability to quickly learn and contribute in multiple codebases
• Overcomes roadblocks and requires minimal oversight
• Takes initiatives to fix issues/tech debts before assigned to him/her
• Able to deep dive into the codebase and advise QA of possible regression impact
• Communicates tech decisions through design docs and tech talks
• Has delivered projects with end-to-end accountability
• Keeps track of industry trends and introduces the right tech/tools for a given job
• Excellent understanding of software engineering practices, design patterns, data structures, algorithms
• Experience in product driven organization

Responsibility of / Expectations from the Role:

• Document all technical requirements and design technical solutions utilizing enterprise architecture standards including documenting all solution components and configurations
• Contribute to all phases of the development lifecycle.
• Write well-designed, testable, efficient code.
• Ensure designs follow specifications.
• Ability to work independently.
• Persistent problem solver but know when to ask for help.
• Open-minded, transparent and able to learn and adapt.
• Good communication skills – both written and verbal.
• Teamwork skills with a problem-solving attitude.

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward. 

Top Skills

•    You write high quality, maintainable, and robust code, often in Java or C++.

•    You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.

•    You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Roles & Responsibilities

•    You solve problems at their root, stepping back to understand the broader context.

•    You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.

•    You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.

•    You recognize and use design patterns to solve business problems.

•    You understand how operating systems work, perform and scale.

•    You continually align your work with Amazon’s business objectives and seek to deliver business value.

•    You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.

•    You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.

•    You communicate clearly with your team and with other groups and listen effectively. 

Skills & Experience

•    Bachelors or Masters in Computer Science or relevant technical field.

•    Experience in software development and full product life-cycle.

•    Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.

•    Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.

•    Proficiency in SQL and data modeling.

• 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
• Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (Kafka, MongoDB, ElasticSearch, NoSQL distributed cache system, DynamoDB etc), datastores in production
• Must have experience with Kafka or similar message queue systems in production
• Stellar problem solving skills
• Hunger to learn new things and ability to grasp new concepts quickly
• Ability to move quickly without breaking things too much (we are dreamers)
• Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
• Should be able to groom juniors and take them to the next level

About OneAssist
OneAssist is founded with a vision to provide a ubiquitous platform for assistance & protection services to customers.

A leader in Assistance and Protection products across Home Appliances, Personal Electronics, Physical and Mobile Wallets, OneAssist is a Technology-led organization. It has created a horizontal Assitance and Protection platform powered by Technology, Analytics and Data Science.

OneAssist wants to provide consumers the convenience of availing assistance and protection products through digital touch points- Mobile App, website, Voice and chat.

Founded in 2011, OneAssist has been well funded by Marquee investors, Sequoia Capital, Lightspeed Venture Partners, Assurant Solutions and Trifecta Capital with total cumulative funding of $33.2 Million. The latest Series C funding of &17.5 Million was raised in 2017.

Some of our significant partnerships are with Airtel, HDFC, HomeCredit, Pinelabs, InstaCash and more.

https://www.linkedin.com/company/oneassist-consumer-solutions/about/">https://www.linkedin.com/company/oneassist-consumer-solutions/about/
https://www.oneassist.in">https://www.oneassist.in

Job Description:

• Write maintainable/scalable/efficient code.
• Design and architect technical solutions for the developer community at OneAssist Work in a cross-functional team, collaborating with peers during the entire SDLC.
• Follow coding standards, code reviews etc. Follow scrum sprint cycles and commitment to deadlines.

Traits we are looking for in you: 3+ years experience developing large scale customer facing internet systems Strong problem-solving skills.

• Hands-on experience in coding capability in desired technology Solid experience in Java/J2EE frameworks such as Spring, Spring Boot, Spring Cloud, Hibernate.
• Strong Experience with Microservices, RESTful Web services, OOPs concepts.
• Nice to have knowledge of Docker, Kubernetes, Jenkins and CI/CD Knowledge
• Strong background in designing or extending existing test frameworks such as Junit Experience with version control systems such as Git. Good understanding of application security (authentication, authorization, web security etc.)

Preferred Skills: 

We want to really emphasize Spring Boot (2+ years although 1+ if candidate particularly strong) Using Redis as a caching technology with Spring Boot would be a strong plus 

Using Redisson (a particular java client library that can be easily configured with Spring Boot) would be a strong plus 

Knowledge of event based messaging systems (Amazon SNS, Amazon MQ, or Kafka (in AWS) Data Cleaning tools and techniques in CSV and Excel 

Strong Knowledge of Spring Boot Dependency Injection and Configuration 

Experience with APIs for popular e-commerce platforms (Magento, Shopify, Big Commerce, etc.) 

SDLC (Software Development Lifecycle) Tools in the context of AWS. (Tools classified under DevOps) 

Experience with managing AWS EC2 VM instances and using AWS managed Services (like S3, MySQL, VPC/Networking, Lambda, etc) 

Performance Analysis Tools (Code Profiling) on Java VM and particularly Spring Boot 

Nice to Have: 

Experience with Cassandra or MongoDB with Spring Boot 

Horizontal Scaling with Spring Boot (considerations running multiple instances of Spring Boot instances) 

Experience with placing Spring Boot applications in Docker/Kubernetes container ecosystems (especially in AWS)