Sr. Java Developer

We are looking for a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐉𝐚𝐯𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 who is passionate about 𝐝𝐞𝐞𝐩 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠, 𝐚𝐥𝐠𝐨𝐫𝐢𝐭𝐡𝐦𝐢𝐜 𝐩𝐫𝐨𝐛𝐥𝐞𝐦-𝐬𝐨𝐥𝐯𝐢𝐧𝐠, 𝐚𝐧𝐝 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 at scale.

This role is 𝐧𝐨𝐭 about basic API development or framework-heavy work. You will be part of the 𝐜𝐨𝐫𝐞 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐭𝐞𝐚𝐦, working close to the heart of the product where 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞, 𝐬𝐜𝐚𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲, 𝐚𝐧𝐝 𝐜𝐨𝐫𝐫𝐞𝐜𝐭𝐧𝐞𝐬𝐬 𝐭𝐫𝐮𝐥𝐲 𝐦𝐚𝐭𝐭𝐞𝐫.

𝐖𝐡𝐚𝐭 𝐘𝐨𝐮’𝐥𝐥 𝐃𝐨

▪️ Design and build 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 that operate reliably under heavy load

▪️Develop and implement 𝐜𝐮𝐬𝐭𝐨𝐦 𝐚𝐥𝐠𝐨𝐫𝐢𝐭𝐡𝐦𝐬 for complex, real-world business problems

▪️Identify and resolve 𝐂𝐏𝐔, 𝐦𝐞𝐦𝐨𝐫𝐲, 𝐈/𝐎, 𝐚𝐧𝐝 𝐜𝐨𝐧𝐜𝐮𝐫𝐫𝐞𝐧𝐜𝐲 𝐛𝐨𝐭𝐭𝐥𝐞𝐧𝐞𝐜𝐤𝐬

▪️Build backend services where 𝐥𝐚𝐭𝐞𝐧𝐜𝐲, 𝐭𝐡𝐫𝐨𝐮𝐠𝐡𝐩𝐮𝐭, 𝐚𝐧𝐝 𝐫𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲 are critical

▪️Own 𝐝𝐨𝐜𝐮𝐦𝐞𝐧𝐭 & 𝐏𝐃𝐅 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬 end-to-end, including:

• Composition
• Rendering
• Optimization
• High-volume document generation

▪️Make 𝐬𝐭𝐫𝐨𝐧𝐠 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐝𝐞𝐜𝐢𝐬𝐢𝐨𝐧𝐬 and take ownership of backend architecture

▪️Mentor engineers by setting 𝐡𝐢𝐠𝐡 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐬𝐭𝐚𝐧𝐝𝐚𝐫𝐝𝐬 𝐚𝐧𝐝 𝐛𝐞𝐬𝐭 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬

𝐑𝐞𝐪𝐮𝐢𝐫𝐞𝐝 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞

▪️𝟓 𝐭𝐨 𝟏𝟎+ years of strong backend engineering experience

▪️Excellent expertise in 𝐂𝐨𝐫𝐞 𝐉𝐚𝐯𝐚 (𝐉𝐚𝐯𝐚 𝟖+) 𝐚𝐧𝐝 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭

▪️Strong knowledge of:

• Data Structures & Algorithms
• Multithreading and concurrency
• JVM internals and memory management

▪️ Proven experience designing 𝐜𝐮𝐬𝐭𝐨𝐦 𝐚𝐥𝐠𝐨𝐫𝐢𝐭𝐡𝐦𝐬

▪️Deep backend experience 𝐮𝐬𝐢𝐧𝐠 𝐒𝐩𝐫𝐢𝐧𝐠 / 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭

▪️Strong understanding of:

• API design principles
• Fault tolerance and resilience
• Performance tuning and profiling

▪️Ability to reason about time and space complexity

▪️Solid database fundamentals:

• Query optimization Indexing
• Transaction management

𝐖𝐡𝐚𝐭 𝐖𝐞’𝐫𝐞 𝐋𝐨𝐨𝐤𝐢𝐧𝐠 𝐅𝐨𝐫

Engineers who enjoy solving hard problems, not just wiring frameworks

Strong analytical thinking with a focus on trade-offs and optimizations

High ownership mindset with attention to performance and maintainability

📩 Interested candidates can apply

Role

We are looking for an Associate Software Engineer - Java with experience in building high-performing, scalable, enterprise-grade applications.

Responsibilities

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure development is in compliance with specifications
• Prepare and produce releases of software components

Qualifications

• BSc/BE/BTech in Computer Science, Engineering, or a related field
• 2+ years Experience with Java
• Experience in Spring boot Framework
• Experience with REST- JSON, SOAP/XML is mandatory
• Proven working experience in Java development
• Experienced in Server Side Java, J2EE, Servlets, Spring/Spring boot, JAXB, JAX-WS, MySQL/PostgreSQL, Junit
• Knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).
• Hands-on experience in designing and developing applications using Java EE
• Platforms with Open Source Frameworks - Spring/Spring boot, XML, Integration with SOAP and RESTful Web Services, WS security.

We are hiring IN OFFICE ONLY.

Office located in the beautiful Astra Towers in Rajarhat Kolkata.

We are looking for Senior Laravel Developers that have experience with Laravel Framework PHP, and VueJs.

You will be working right away with other senior Laravel Developers that know the products. You will be learning the projects, and helping them clean up and polish our tech better. We are a product based company.

A little about us:

Klizo Solutions has over 50 employees and is located in the New Town area, near CC2. Our employees range from graphic designers, back-end developers, iOS and Android Developers, and more. We are primarily a product-focused company. Our founder is from the USA and spends about 6 months a year here going back and forth. We develop technologies around his products and develop products for a few other clients. We are looking to expand to more locations, and are hiring for those reasons. You can see a company video here: https://klizos.com/about-us/

Preferred & Required knowledge and Duties:

• MVC Structure
• SQL concept
• Eloquent Relationships
• HTTP middleware
• Basic knowledge of JQuery
• Basic command of Laravel (How to create Model, Controller, migration, middleware )
• Experience of Vue.js
• Experience with Git
• Experience integrating third-party APIs
• Experience with payment APIs

Required Shifts:

We are expected to work Monday - Friday

We may rarely be needed on a Saturday if a project is required.

BONUS Knowledge (not required):

• MongoDB
• Worked with Jira
• Knows Github / Repo / Source control
• Worked with Bitbucket

Job Types: Full-time, Permanent, In Office

Benefits

• Bonuses based on performance
• Additional training will be available and may be required
• Clean office, professional hardware, and a positive team.

• Develop, record and maintain cutting edge web-based PHP applications on portal plus premium service platforms
• Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team
• Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications
• Prepare and maintain all applications utilizing standard development tools
• Utilize backend data services and contribute to increase existing data services API
• Lead the entire web application development life cycle right from concept stage to delivery and post launch support
• Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues
• Document the development process, architecture, and standard components
• Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as liaison between development staff and project manager
• Keep abreast of new trends and best practices in web development

Work as a member of a team responsible for developing a large-scale, highly available and fault-tolerant SaaS based Leasing & Asset management solution in the commercial real estate space in accordance with established processes. You will apply your knowledge of building scalable, distributed applications and have the opportunity to work with technologies & frameworks such as Ruby on Rails, NodeJS, ReactJS, Heroku, AWS, Postgres DB​

Essential Functions include but are not limited to the following. 

You will be expected to:​

• Contribute to all phases in the software lifecycle – requirements analysis, solution design, development, and deployment
• Maintain high quality standards for the work undertaken and be responsible for the quality of deliverables.
• Ensure assigned projects are developed in accordance with established engineering processes, adhering to scope, schedule constraints and agile project plans
• Guide/mentor the less experienced team members
• Participate in code reviews
• Work effectively as part of a distributed team
• Document the features worked by him/her

Key technical expertise areas expected for this role:

• Strong programming skills in Ruby with clear understanding of Object-Oriented and Functional programming. 
• Experience working with Ruby on Rails framework
• Experience on REST API Programming preferably based on a Microservices Architecture
• Good Understanding of Databases (Postgres) and proficiency in database schema designing & writing efficient SQL Queries. 
• Strong troubleshooting skills
• Demonstrable ability to learn new programming languages and frameworks quickly
• Experience with distributed systems with specific focus on security and scalability
• Experience with modern cloud technologies such as AWS

 Additional areas that would add value:

• Experience working with Cloud Service providers & platforms like AWS, Heroku 
• Strong understanding of Design Patterns & their application in system design
• Test Driven & Behavior Driven Development
• Automated Unit/Integration testing
• Using DevOps & Infrastructure tooling such as GoCD/Jenkins, Git
• Frontend web development with JavaScript frameworks like React
• Experience working on  projects, preferably in the real estate domain
• Experience working with Virtualization and Containerization technologies including Docker, Kubernetes.
• Experience working in Agile Scrum/Kanban methodologies
• Experience working with Linux and Shell scripting

Education: 

• Bachelors or Master’s in Computer Science or related fields