Senior Java Developer

Job Summary:

As a Java Spring Boot Developer, you will play a key role in designing, developing, and maintaining robust backend services and APIs. With 2.5+ years of experience, including knowledge in Kotlin, you will work alongside a cross-functional team to build scalable and performant systems.

Key Responsibilities:

• Design, develop, and maintain efficient, reusable, and reliable Java and Kotlin code
• Build and consume RESTful APIs and microservices using Spring Boot
• Ensure the best possible performance, quality, and responsiveness of applications
• Collaborate with product managers, QA engineers, and DevOps for end-to-end delivery
• Troubleshoot and resolve performance bottlenecks, bugs, and technical issues
• Participate in code reviews, knowledge sharing, and continuous improvement

Required Skills & Qualifications:

• 2.5+ years of experience with Java and Spring Boot
• Strong understanding of RESTful APIs, MVC, and microservices architecture
• Experience with relational and NoSQL databases
• Proficiency with Git and Agile/Scrum methodologies

Preferred Skills:

• Familiarity with Docker, Kubernetes, and CI/CD tools
• Exposure to cloud platforms such as AWS or Azure
• Experience with unit testing and test automation frameworks

Oister Global (www.oisterglobal.com) is India’s premier Alternative Assets Manager. We combine robust diligence, deep domain expertise, and an extensive network to create high quality private market opportunities for our investors.

We are seeking a Senior Backend Developer who will be pivotal in architecting and developing scalable, reliable backend systems from scratch. You will work closely with product managers, designers, and other engineers to build new products, design backend architectures, and ensure high performance and responsiveness of the systems. This role requires strong backend fundamentals, cloud experience, a deep understanding of databases, and a passion for system design and architecture.

Key Responsibilities:

● Product Development: Architect, design, develop, test, and deploy new backend products and features from scratch.

● System Design: Take ownership of system design and architecture decisions for new modules, ensuring scalability, reliability, and security. ● API Development: Build efficient and reusable APIs and backend services using Node.js.

● Database Management: Design data models, optimize queries, and manage MongoDB clusters efficiently.

● Cloud Management: Deploy, maintain, and optimize services on AWS, ensuring high availability and performance.

● Best Practices: Maintain coding standards, ensure code reviews, and champion best practices in security, testing, and maintainability.

● Collaboration: Work closely with frontend developers, product managers, QA, and other cross-functional teams to define, design, and ship new features.

● Performance Optimization: Monitor system performance and ensure system uptime and responsiveness.

● Mentorship: Provide guidance and mentorship to junior developers as required.

● Documentation: Maintain thorough documentation of systems, processes, and best practices. Must-Have

Qualifications:

● Education: Bachelor’s degree in computer science, Software Engineering, or a related technical field.

● Experience: 4–5+ years of hands-on backend development experience.

● Expertise in: Node.js (Express.js, Nest.js or similar frameworks) MongoDB (including indexing, replication, sharding concepts) AWS Services (EC2, S3, Lambda, RDS, API Gateway, CloudWatch, IAM, etc.) Proficient in: System design principles Microservices architecture Event-driven architecture Strong understanding of: RESTful APIs.Authentication and authorization best practices (OAuth, JWT) Experience with: CI/CD pipelines Docker and containerization principles Hands-on experience in: Building scalable, distributed, and fault-tolerant systems Good knowledge of : Logging, monitoring, and debugging distributed applications

Responsibilities include:

• Coordinate and clarify the requirements and technical issues (including client interaction)
• Support creation of high and low level design
• Development and maintenance of automation code
• Build reusable Business objects as required
• Review the automation implemented code
• Deploy the code to multiple environments phase wise
• Provides regular status updates to clients and management
• Participates in research/design/implementation of appropriate automation tools
• Develop .net libraries using C# /.Net
• Design and develop SQL scripts – Stored procedures, queries, and functions
• Perform unit testing, support systems integration testing and UAT testing
• Raise ticket and co-ordinate with IT team and CS team
• Analyze, estimate and implement special projects
• Effectively manage multiple priorities / assist with various projects as they arise.
• Accurately track, monitor, and report progress and obstacles
• Travel requirements will be modest, working hours must be flexible to deal with international time zone and key process owners located throughout the world.

Education, Experience, & Required Skills:

• Bachelor degree in Computer Science, Computer Engineering or equivalent is required
• 7+ years of overall IT experience
• 2+ years of overall development experience with leading RPA tool.
• Certified RPA Tool (UiPath, UiPath X, Blue Prism, Automation Anywhere) as developer
• Programming experience in Java, .Net, C, C#, .Net, Python
• Sufficient knowledge of RDBMS like ORACLE / MS SQL Server and SQL tools
• Knowledge in developing & understanding excel macros codes.
• Knowledge in Power BI, Excel Macro, web forms, mobile applications are preferable.
• Knowledge of service oriented architecture is preferable.
• Knowledge in Finance & Accounting domain is preferable.
• Strong written and verbal communication skills
• Excellent organization and communication skills.
• Effectively interact with various levels of management.
• Ability to multitask.

Company Overview

CareStack is a complete cloud-based dental software solution for scheduling, clinical, billing, patient engagement, and reporting needs of dental offices of any size - whether it's a single location or a large multi-site DSO with hundreds of locations.

The company was founded in 2015 and the commercial launch was done in early 2018. Since then, more than 1000 offices have chosen CareStack as their single source of truth. This is the fastest growth till date in the dental practice management software market, dominated by 100 year old distribution companies.

More about CareStack

●    Rated by independent B2B software reviews and research analysts as the most modern, innovative and customer experience focussed company in the space with the fastest growth in the segment.

●    Important strategic go to market partnerships with dental industry leaders like Delta Dental, Darby Dental and several others.

●    Venture backed with over $60M raised from leading financial and strategic investors.

●    HQ'd in Orlando, FL with offices in Minnesota, Bangalore, Trivandrum and Cochin.

Role Overview

CareStack seeks to hire Software Development Engineer - 1 to build its next generation healthcare platform. You will be reporting to a Staff SDE in your business unit , to develop and release services and solutions for our platform, aligning with your business unit’s goals and objectives.

Key responsibilities

●    Technical Design

You can be a specialist in technology areas, but capable of creating complete designs to solve a specific problem that accomplishes a definitive product feature or enables a technical advancement.You should work with your lead to review your design and embrace the feedback

●    Process Definition/Adherence

You should deliver estimations, review test scenarios/cases created by QAs in your team, participate in sprint grooming and planning meetings. You must learn, practice and evangelize standard techniques for grooming, defining complexity of stories and estimation.

●    Code Quality

At Carestack we believe that your code reflects your character. Code for scale, produce maintainable reusable code. You must commit to clean coding, continuous refactoring to ensure a high level of code quality. Continuously learn, practice and evangelize coding patterns/best practices within and outside your team. You should ensure testability of team functional areas, facilitate integration testing, resolve deep rooted technical issues and proactively collaborate with team members in solving complex problems.

●    Team Player

You should proactively communicate to resolve dependencies within and outside the team. Understand organizations culture code and streamline conversations and activities that will further instill this code. Mentor and coach new additions to your team.

●    Value/Mission Alignment

Be a champion for CareStack within the Engineering team. Help drive workplace and cultural norms within your business unit that align with CareStack company values.

This role may be for you if you…

●    Have an insatiable itch to join and the courage to scale an early-stage technology company.

●    Have 2-4 years of experience in building modern day web platforms, using Microsoft technologies on the backend.

●    Can be a generalist or specialist with deep understanding of building software components that meet defined requirements, with good understanding of .NET Core/ASP.NET.

●    Are proficient in data structures and algorithms, and object oriented analysis and design of software systems.

●    Are a backend specialist with good understanding of event driven programming, distributed systems, caching/in-memory computing systems, data modeling for transactional systems.

●    Solid understanding of relational and non relational databases including warehouses.Preferably MySQL, MSSQL, Vertica and CosmosDB

●    Solid understanding of CI/CD patterns and IaC.

●    Expertise in building ETLs in both batch and streaming model.

●    Expertise in building and testing APIs and micro services

This role may not be for you if you…

●    Don’t have the itch to design solutions and write code and you don’t grab every other opportunity to review and write code.

●    Don’t have the fire in you to fight for your design suggestions and debate with logical data points

●    Don’t have the trait to be transactional in code reviews/design discussions, accept your mistakes and appreciate better ideas from your peers.

●    Haven’t developed the habit of doing objective conversations that are data driven.

• A minimum of 3 years experience as a Technical Lead in Java., Strong experience in design and implementation of high performing and highly scalable websites/applications
• Strong experience in Spring MVC framework and experience in design patterns, unit testing etc..
• Strong experience in AWS services such as EC2, Lambda, S3, ECS, API Gateway and using tools such as Terraform, Ansible
• Strong experience in Endeca, ATG and BCC, Solr, any Headless CMS
• Considerable experience in databases such as SQL Server/Mongo DB is an added advantage
• Good experience in JavaScript frameworks such as Angular/React/VueJS is an added advantage
• Experience in Adobe AEM is an added advantage
• Creative problem-solving skills and ability to effectively communicate and translate feedback, needs and solutions
• Excellent verbal and written communication skills required

• Provide strategic thinking and leadership pertaining in cloud technologies and building scalable websites
• Provide technical leadership and guidance internally to the team and externally to management
• Communicate effectively across all levels of the organization
• Collaborate within and across teams with strong teamwork orientation
• Help maintain a culture of high quality
• Showcasing excellent work ethic and strong sense of ownership of end result
• Understand the structured software development methodologies including design, development and testing in an Agile environment
• Follow all security practices and identify areas and processes where performance and scalability can be improved
• Make and justify recommendations for improvement., Participate in development of solutions in cases of new technology direction and/or proof of concepts
• Should translate business needs into technical solutions with Strong analytical, conceptual and technical skills
• Support the evaluation, selection, design, development and maintenance of the platforms.

MUST HAVE SKILLS
- CORE JAVA & SQL

Desired Skills
Designing, implementing and delivering high quality Software project in JAVA, SQL / Oracle, J2EE and other JAVA technologies.

Job Responsibilities
Participate in detailed level in design, coding, code walk through, peer code reviews and unit testing,  System Testing, UAT, Demos, POCs, installation, maintenance of Software modules. 

❑ Ensures the preparation of the following: 

▪ Software prototype 

▪ System Architecture 

▪ Software Design Document 

▪ User interfaces to be developed as per UX guidelines 

▪ Code files ensuring coding guidelines followed 

▪ Code review artefacts during peer code review 

▪ Test plan and Test Cases 

▪ Installation / Deployment document 

▪ Release Document 

▪ Technical Documentation 

❑ Documents and demonstrates solutions by developing documentations, flowcharts, layouts, diagram, charts,  code. comments and clear code; Ensuring that project task are completed in defined effort and timelines ❑ Prepares and installs solutions by determining and designing system specifications, standards & programming. 

❑ Testing: Writing of test cases, unit testing, system testing, negative testing 

❑ Trouble shooting: Log analysis and database query optimization  

❑ Improves operations by conducting system's analysis. 

❑ Updates job knowledge by studying state of the art development tools, programming techniques & computing equipment; participates in educational opportunities, reads professional publications & maintains  personal networks.  

❑ Protects operations by keeping information confidential. 

❑ Provides information by collecting, analyzing and summarizing development and service issues.  ❑ Develops software solution by studying information needs, conferring with users, studding system flow,  data usage and work processes, investigating problem areas, following delivery cycle. 

1. B.E/ B.Tech / MCA in computer science or a related field
2. 6+ Years of Java/J2EE work experience.
3. Minimum 6 months in Team Lead position.

1. Object-Oriented design, patterns, algorithms, data structures
2. Well knowledge about Spring Hibernate framework.
3. Exposure to React JS / Angular JS.

1. Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
2. Good working experience in OpenStack/AWS & cloud application development and deployment
3. Experience in Web services (REST or SOAP)

1. End to end web development experience is highly preferred
2. Good understanding of unit testing methodologies.
3. Good analytical and communication skills
4. Startup work culture mindset.