Kafka Developer

BlackLight Games

About Us:

We are BlackLight Games; we bring culturally relevant synchronous multiplayer games experience to mobile. Our games have been rocking the Play Stores since launch. We have built cutting-edge back-end technology; we take pride that our games are played by more than 1 million players daily. Our flagship game, Ludo SuperStar has been downloaded more than 100 million times. Other titles include – CallBreak, Carrom, Solitaire, Spider Solitaire and Word games.

Website link- https://blacklightsw.com/

Position: Backend Developer( Java/SpringBoot/MySQL)

Location: Noida

Educational Qualification: B.Tech/ MCA / M.Tech / M.Sc  or relevant professional experience; preferably in Computer Science.

Skills :

• Backend: Java/SpringBoot
• Databases: MySQL

Job Summary:

We are looking for a skilled Backend Developer to join our growing team and help build scalable systems that power products used by millions every month. You will work on Java, Spring Boot, and MySQL, with exposure to Node.js, crafting APIs and backend services that are reliable and production-grade.

What You Bring To The Team

• 3-4 years of backend development experience with Java and Spring Boot as primary focus.
• Strong working knowledge of MySQL (schema design, query optimization, migrations).
• Understanding of REST APIs and system design.
• Comfort with live system debugging, monitoring, and performance tuning.
• A mindset of ownership and building with quality.
• Design and develop scalable, reliable backend services and APIs using Java, Spring Boot, and MySQL.
• Participate in code reviews, architecture discussions, and best practices.
• Collaborate with the frontend and game backend teams for seamless feature delivery.
• Write clean, maintainable code with proper testing and documentation.
• Monitor, debug, and improve live systems, ensuring high availability.

Extra Gems For

• Basic familiarity with Node.js and its ecosystem would be good to have.
• Experience working on a product that has launched and scaled to a solid user base would be good to have.
• Understanding of microservices architecture
• Exposure to AWS or GCP for deployments and scaling.
• Understanding of caching, queues, and real-time data pipelines.
• Prior experience in product-focused startups.

Why Us?

• High Growth Startup environment. 
• Fast-paced, ownership-driven environment.
• You’ll build products millions play every month.
• Friendly, collaborative team with high standards.
• Culture that values learning, quality, and growth.
• Company sponsored courses and education material.
• Lots of learning opportunities.
• Work with a super-talented team of professionals.
• Informal work-culture, Casual Dress Code, multiple outings and trips.
• Medical Insurance for you and your family. 
• Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all times.

About the Role:

We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.

Key Responsibilities:

• Design, develop, test, and maintain Java-based applications.
• Write clean, efficient, and reusable code following best practices.
• Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and contribute to continuous improvement.
• Stay updated with emerging trends, tools, and technologies in the Java ecosystem.

Required Skills & Qualifications:

• Strong proficiency in Core Java (Java 8/11/17).
• Experience with frameworks such as Spring / Spring Boot / Hibernate.
• Good knowledge of REST APIs, Microservices architecture.
• Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
• Understanding of multithreading, collections, and design patterns.
• Experience with version control systems (Git) and build tools (Maven/Gradle).
• Solid problem-solving skills and ability to work in an Agile environment.

Good to Have:

• Exposure to cloud platforms (AWS, Azure, GCP).
• Knowledge of containerization (Docker, Kubernetes).
• Experience with messaging systems (Kafka, RabbitMQ).
• Familiarity with CI/CD pipelines.

Description 

Our Software Architects are the strategic thinkers and technical leaders. They design, validate, and guide the delivery of enterprise-grade systems that balance innovation, performance, scalability, and cost efficiency. 

 Software Architects work at the intersection of business strategy and technical execution. They collaborate across engineering, product, and design teams to define architecture blueprints, select technologies, and ensure systems evolve in alignment with customer goals. Architects are hands-on, often prototyping solutions and coaching teams, while also trusted to influence executives on technical direction. Here’s what you should know if you want to be a Software Architect at 

Requirements 

The ideal person 

● Proven track record in architecting and delivering large-scale, distributed software systems. 

● Expertise in modern architectural patterns: microservices, event-driven systems, composable commerce, headless architectures. 

● Ability to translate business strategy into actionable technical roadmaps and system designs. 

● Strong leadership skills: guiding engineering teams, mentoring individuals, and setting technical standards. 

● Excellent stakeholder management and communication skills, from engineers to C level. 

● Commitment to designing systems that are secure, performant, and cost-efficient.

Desirable Skills 

● Deep experience with multiple programming languages and frameworks (e.g., ● JavaScript/TypeScript, Node.js, React, Java, .NET, Python). 

● Strong knowledge of cloud-native architectures (AWS, GCP, Azure) and containerisation (Docker, Kubernetes). 

● Experience with data platforms, integration patterns, and API-first design (REST, GraphQL, gRPC). 

● Familiarity with CI/CD, DevOps, and Infrastructure-as-Code practices. ● Understanding of security standards, compliance (GDPR, SOC2), and enterprise IT constraints. 

● Ability to design for scalability across global markets and multi-tenant environments. ● Strong knowledge of design systems and front-end frameworks, ensuring alignment between presentation and infrastructure. 

● Experience leading architectural reviews, trade-off analysis, and decision records. ● Ability to mentor teams and establish communities of practice around architecture. ● Awareness of emerging technologies (AI, serverless, edge computing) and their practical application. 

On any given day you might 

● Define architecture blueprints and technical roadmaps for enterprise projects. ● Partner with product owners and business stakeholders to align architecture with strategic goals. 

● Make key technology selection decisions, balancing innovation with long-term maintainability. 

● Review system designs, ensuring alignment with principles of security, scalability, and performance. 

● Support engineering teams with hands-on prototyping and technical problem solving. ● Facilitate architectural reviews and communicate trade-offs to both technical and non-technical audiences. 

● Collaborate with designers to ensure UI/UX and architecture integrate seamlessly. ● Influence enterprise customers, helping them modernise platforms and adopt composable, headless, or cloud-native approaches. 

● Establish coding standards, architectural patterns, and governance processes. ● Share thought leadership internally and externally, positioning Co. as a trusted Advisor.

You bring 

● 7+ years of software development and architecture experience. 

● Expertise in designing cloud-native, distributed systems. 

● Proven success in leading technical decisions across multi-team programmes. ● Strong cross-functional collaboration and customer-facing skills. 

● Advanced understanding of system integration, security, and performance optimisation. 

● Familiarity with enterprise-scale delivery: migration projects, composable commerce, API ecosystems. 

● Advanced English, able to communicate at both executive and engineering levels. ● (Bonus) Experience contributing to open-source, publishing architectural thought pieces, or speaking at conferences.

Minimum 7-12 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)

·        Good knowledge of the JVM with an understanding of performance and memory optimization.

·        Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·        Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.

·        Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·        Expert level understanding of Object Oriented Concepts and Data Structures

·        Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints,            functions, triggers, procedures etc.

Job Description:

1) Good experience in Java

2) Hands-on experience in Spring boot

3) Hands-on experience in Microservices

JOB RESPONSIBILITIES (About 10 - 11 years and at least 9 years relevant experience)

Develop Java webservices and components according to a detailed design document.

Build efficient, reusable and reliable Java code per industry best practices.

Follow TDD approach and ensure unit-test coverage meets quality requirements.

Develop Integration tests to ensure coding adheres to acceptance criteria and verify end-to-end behavior of the system.

Ensure best possible performance, quality and responsiveness of applications.

EXPERIENCE / SKILLS

Must have experience developing in Java latest version (least version is 8)

Must have experience in design and development using Micro service architecture

Solid knowledge in OOP concepts, and design principles/patterns for developing scalable applications

Must have experience developing Spring Boot applications

Must have experience developing database access layer using Spring Data JPA/Hibernates

Must have experience in developing REST Services using Spring

Good working experience in development of event driven systems using any framework

Must have experience with any RDBMS and at least one NoSQL database preferably PostgresSQL and Mongo DB

Must have experience writing unit and integration tests using Junit

Must have experience using mock frameworks like Mockito, WireMock

Must have experience using Git

Must have experience with CI / CD

Basic hands-on experience in one of the cloud provider (AWS/Azure) or at least docker and Kubernetes

Familiarity with build tools Maven or Gradle

Added advantage with experience of Reactive and Functional Programming

Job Description: Java Full Stack Developer 

Skills 

Primary 

• Java, J2EE, Spring MVC 
• Hibernate or other ORM 
• Web technology and security, REST framework 
• Any one UI technology and ready to learn a new one. 
• Database knowledge (MySQL, Oracle, Postgres) 
• Unit testing frameworks 
• Version Control (Eg., Git) 

Good To Have 

• JQuery, XML, HTML5, AngularJS/Angular and other UI technology
• Shell Scripting 
• Python 

Key Responsibilities 

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Stay up-to-date on emerging technologies 

Requirements 

• 2 to 5 years of work experience as a Java Developer or similar role 
• BS/MS degree in Computer Science, Engineering or a related subject 
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE platforms
• Object Oriented analysis and design using common design patterns. 
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in developing web applications using at least one popular web framework
•  Experience with test-driven development

Job Benefits and Compensation 

• WebShar offers a very competitive salary depending on experience 
• 24 days paid vacation each year (CL, PL, SL), earned at a rate of 2 days per month. 
• MacBook Pro 
• Flexible time / and availability to work from home from time to time 
• Medical insurance 
• Team outing and lunches, 
• Reimbursement as per HR policies 

○ Internet reimbursement upto 1500 

○ Commutation reimbursement upto 6000 

○ ISD reimbursement

• Provide objective guidance without personal or political considerations.
• Pitching ideas for projects based on gaps in the market and technological advancements.
• Rolling out fixes and upgrades to software, as needed.
• Securing software to prevent security breaches and other vulnerabilities.
• Setting up a continuous build environment to speed up software development and deployment process.
• Architecting overall, comprehensive, and efficient practices.
• Guiding developers and operation teams in case of an issue.
• Monitoring, reviewing, and managing technical operations.

Requirements:

• Degree in Computer Science, Information Systems, or related field.
• Previous experience working on a 24x7 cloud or SaaS operation team.
• Spring Boot Java 8, Spring Core, Spring Boot, Spring MVC, Swagger, Tomcat 8, Maven, Jenkins, SVN, GIT, Postman/Newman, RESTful Services, Containers.
• Experience with infrastructure management and monitoring.
• Proven in developing, implementing, and providing solutions to the given problem in all Java technologies.
• Proficient in stitch-together end-to-end application starting from front-end web development, back-end development, middleware integration, and persisting data in no SQL or DBMS databases.
• Ability to work independently and as part of a team.