Kafka developer (Kafka, KSQL + DB2)

Job Description

We are looking for a hands-on Technical Lead Engineer (Full Stack) to spearhead the design, development, and delivery of our scalable web platforms and core application ecosystems. In this role, you will bridge the gap between front-end experiences and robust back-end systems. You will lead an agile development team through technical architecture, feature implementation, integration, testing, deployment, and production support.

The ideal candidate has deep technical expertise in both frontend and backend modern frameworks, a passion for system design, and practical experience building secure, scalable, and high-performance distributed web applications.

Key Responsibilities

• Technical Leadership: Lead end-to-end full-stack software development, architectural design, and system evolution.
• Backend Architecture: Design scalable, fault-tolerant backend architectures, optimizing high-volume data ingestion pipelines and processing engines.
• Frontend Excellence: Direct the development of highly responsive, intuitive, and modular user interfaces that ensure a seamless user experience.
• API & Integrations: Architect secure RESTful APIs and integrate external enterprise platforms, third-party microservices, and identity providers.
• Team Mentorship: Mentor developers, run strict code reviews, define engineering best practices, and guide sprint-level execution.
• Data & Messaging: Maintain and optimize relational, NoSQL, and time-series databases alongside message queues for real-time application events.
• Production Ownership: Own technical troubleshooting for live production bottlenecks, system latency issues, and deployment bugs.
• Documentation: Create clean technical documentation, structural architecture diagrams, and system deployment guidelines.

Required Skills

• Experience: 6+ years of software development experience with at least 2+ years leading engineering teams or owning technical delivery.
• Backend Core: Advanced hands-on experience with Java, Spring Boot, Spring Cloud, multithreading, and REST API development.
• Frontend Core: Mastery of modern JavaScript/TypeScript frameworks (such as React, Angular, or Vue.js), HTML5, and responsive CSS architectures.
• Data Platforms: Proficient with relational databases (MySQL, PostgreSQL) and NoSQL/Caching systems (Redis, MongoDB).
• Messaging Systems: Experience implementing asynchronous workflows using message brokers like Kafka or RabbitMQ.
• Design Patterns: Strong grasp of microservices patterns, distributed system caching, load balancing, and failover mechanisms.

Preferred / Nice-to-Have Skills

• Experience deploying workloads to Cloud environments (AWS, Azure, or GCP).
• Familiarity with containerization tools like Docker and orchestration via Kubernetes.
• Hands-on experience setting up continuous integration and automated deployment pipelines (CI/CD).
• Exposure to system observability tools (Prometheus, Grafana, ELK stack).

Education Requirement

• Bachelor's degree in Computer Science, IT, Electronics, Electrical Engineering, or a related field. Candidates with equivalent exceptional hands-on full-stack engineering experience will be highly considered regardless of formal degree background.

Job Description

Team Lead – Full Stack Developer

Experience

3–5 Years

Location

Bangalore (Onsite)

Role Summary

We are looking for a highly skilled, hands-on, and ownership-driven Team Lead – Full Stack Developer who can independently architect, design, develop, deploy, and support enterprise-grade web, mobile, and cloud-native applications.

The ideal candidate should have strong expertise in ReactJS, Next.js, Java, Spring Boot, Microservices, Distributed Systems, Cloud Technologies, DevOps, AI-Assisted Development, and Product Engineering.

The candidate will be responsible for owning end-to-end product development, including frontend architecture, backend services, APIs, databases, deployment, production support, stakeholder communication, sprint planning, team leadership, and successful delivery of scalable, secure, and high-performance solutions.

Key Responsibilities

Architecture & Product Ownership

• Design end-to-end application architecture, HLDs, LLDs, deployment architecture, integration architecture, and security architecture.
• Build products from scratch and independently drive projects from concept to production.
• Convert business requirements into technical solutions, user stories, sprint plans, and delivery roadmaps.
• Design scalable, secure, fault-tolerant, multi-tenant, and enterprise-grade applications.
• Evaluate and recommend suitable technologies, frameworks, and development approaches.

Full Stack Development

Frontend Development

• Design and develop responsive and modern web applications.
• Build reusable UI components and scalable frontend architectures.
• Develop Single Page Applications (SPA) using ReactJS and Next.js.
• Implement state management using Redux Toolkit and Context API.
• Integrate REST APIs, GraphQL APIs, and WebSocket-based applications.
• Ensure application accessibility, responsiveness, performance optimization, and SEO best practices.
• Collaborate closely with UI/UX designers to deliver intuitive user experiences.

Backend Development

• Develop enterprise-grade backend applications using Java and Spring Boot.
• Design and develop REST APIs, Microservices, SOAP Services, gRPC Services, and Webhooks.
• Build reusable frameworks, service layers, and integration modules.
• Implement authentication, authorization, API security, and enterprise integrations.
• Optimize application performance, scalability, reliability, and maintainability.

Distributed Systems & Enterprise Solutions

• Design distributed systems using Event-Driven Architecture, CQRS, Saga Pattern, DDD, Hexagonal Architecture, and Clean Architecture.
• Implement resilience patterns, service discovery, circuit breakers, distributed transactions, and failover mechanisms.
• Build workflow automation platforms, document management systems, enterprise integration solutions, and business process automation systems.

Team Leadership & Delivery

• Lead and mentor development teams.
• Conduct code reviews, architecture reviews, and technical discussions.
• Drive sprint planning, stand-ups, reviews, and retrospectives.
• Collaborate with Product, Business, QA, DevOps, AI, and Management teams.
• Ensure successful project delivery while maintaining engineering standards and best practices.
• Support hiring, onboarding, mentoring, and technical growth of team members.

DevOps, Deployment & Production Support

• Manage CI/CD pipelines and deployment processes.
• Work with Docker, Kubernetes, and cloud-native environments.
• Implement Blue-Green, Canary, Rolling, and Zero-Downtime deployment strategies.
• Monitor application health and troubleshoot production issues.
• Ensure application reliability, security, scalability, and operational excellence.

AI & Innovation

• Leverage AI tools to improve development productivity and software quality.
• Build AI-powered Proof of Concepts (POCs) and enterprise applications.
• Utilize AI for development, testing, documentation, architecture reviews, and automation.
• Collaborate with AI teams to integrate intelligent capabilities into business applications.

Mandatory Technical Skills

Frontend Technologies

• ReactJS
• Next.js
• JavaScript (ES6+)
• TypeScript
• HTML5
• CSS3
• Tailwind CSS
• Material UI
• Bootstrap
• Redux Toolkit
• Context API
• React Query
• Responsive Design
• Progressive Web Applications (PWA)

Backend Technologies

• Java 8/11/17/21
• Core Java
• Spring Boot
• Spring MVC
• Spring Security
• Spring Data JPA
• Spring Cloud
• Spring Batch
• Spring WebFlux
• Spring Integration
• Spring AOP
• Spring Validation

APIs & Enterprise Integrations

• REST APIs
• SOAP Services
• GraphQL
• gRPC
• Webhooks
• OpenAPI / Swagger
• OAuth2
• JWT
• OpenID Connect
• SAML

Microservices & Distributed Systems

• Microservices
• Event-Driven Architecture
• CQRS
• Saga Pattern
• Domain-Driven Design (DDD)
• Event Sourcing
• Hexagonal Architecture
• Clean Architecture
• Service Discovery
• Circuit Breakers

Messaging & Streaming

• Apache Kafka
• RabbitMQ
• Event Streaming
• Message Brokers
• Asynchronous Processing

Databases

• PostgreSQL
• Oracle Database
• Oracle FLEXCUBE
• MySQL
• SQL Server
• MongoDB
• Redis
• Database Design
• Query Optimization
• Indexing
• Migration
• Replication

DevOps & Cloud

• Docker
• Kubernetes
• Jenkins
• GitHub Actions
• GitLab CI/CD
• AWS
• Azure
• GCP

Monitoring & Quality

• Grafana
• Prometheus
• ELK Stack
• OpenTelemetry
• JUnit
• Mockito
• SonarQube
• Unit Testing
• Integration Testing
• API Testing
• Performance Testing
• Security Testing

AI-Assisted Development Tools

• ChatGPT
• Claude
• Cursor
• GitHub Copilot
• Replit
• Lovable
• IntelliJ IDEA
• Prompt Engineering
• AI-Based Code Review
• AI-Based Testing & Documentation

Preferred Domain Experience

• Banking & Financial Services
• FinTech
• Enterprise SaaS
• Workflow Automation
• Digital Transformation
• AI-Powered Applications
• OCR & Document Processing
• Payment Systems
• Enterprise Integration Platforms
• Identity & Access Management
• Multi-Tenant Platforms

Soft Skills

• Strong leadership and ownership mindset.
• Excellent communication and stakeholder management skills.
• Strong analytical and problem-solving abilities.
• Ability to manage multiple projects simultaneously.
• Strong mentoring and team collaboration skills.
• Innovation-driven and continuous learning attitude.

Education

Bachelor's Degree or Master's Degree in:

• Computer Science
• Information Technology
• Software Engineering
• Electronics & Communication
• Or equivalent practical experience

Preferred Candidate Profile

A highly motivated Full Stack Engineering Leader with experience building products from scratch, owning frontend and backend architecture, leading engineering teams, driving innovation, and delivering scalable enterprise-grade applications across web, mobile, cloud, and enterprise platforms. The candidate should be capable of independently managing architecture, development, deployment, production support, and successful project delivery while mentoring and growing engineering teams.

mandatory one w

Senior Software Engineer

• Minimum 5 years in typescript and Total of minimum 8 Years of experience
• Excellent communication skills. English Language fluency is Mandatory.

We are looking for strong backend senior engineers

• 8+ years experience as Senior Software Engineer
• Have worked in medium- to big-sized companies for at least 3 years ( companies with 50+ developers)
• Strong architecture and planning skills
• Strong AI coding skills (being fluent in developing agents and skills) and using them in their development routines
• Distributed programming knowledge
• Typescript, Postgres & Kubernetes knowledge.

Ways of working

The engineers will be lead/managed by a UK Multinational company engineer manager (initially one currently based in Europe), and we are going to work on hiring one in Asia if we succeed in putting the team together

Engineers will have a direct contract with UK Multinational Company as career employees (entitled to company benefits and career progression) and will be trained in the UK Multinational Company product portfolio and work on several different projects.

We work in an environment where each engineer is presented with a business problem (or user story) and must come up with a detailed plan on how to tackle it (and explain and get approval from the team), which we do during the refinement meetings. In summary, we do not tell the engineers what to do, our expectation from a Senior engineer is that he tells us what to do (he will be trained, of course, in the best practices and technical specs of our environment).

Hiring process

• Hiring manager interview
• System Design interview
• Coding (with AI) interview

Key Responsibilities 

• Design, develop, and deploy scalable .NET applications and microservices supporting core 

retail operations.

• Build and maintain robust integrations using Kafka, REST APIs, and middleware 

components.

• Work closely with product, POS, merchandising, warehousing, and ERP teams to translate 

business needs into reliable technical solutions.

• Optimize system performance and ensure integrations remain stable across high-volume 

retail cycles.

• Implement best practices in coding, testing, CI/CD, and cloud-native architectures.

• Troubleshoot production issues with speed and a cool head—especially when it impacts 

stores.

• Document technical designs, data flows, and integration contracts clearly.

Required Skills & Experience 

• 6–8+ years of hands-on full stack development using .NET Core / .NET 6+, C#, and 

modern frontend frameworks (React/Angular preferred).

• Strong expertise in Kafka (producers, consumers, topics, partitions, schema registry).

• Solid experience designing RESTful APIs and integrating with enterprise systems.

• Prior experience in retail technology is non-negotiable—POS, inventory, warehousing, or 

ERP exposure is essential.

• Strong knowledge of relational databases (SQL Server, PostgreSQL) and caching 

frameworks.

• Experience building scalable, distributed systems that can handle peak loads.

• Familiarity with containerization (Docker/Kubernetes) is a plus.

• Excellent problem-solving skills and the ability to work independently on a contract basis.

Nice to Have 

• Experience with message brokers beyond Kafka (e.g., RabbitMQ)

• Exposure to cloud platforms (Azure/AWS/GCP)

• Knowledge of CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins)

• Understanding of retail data models and omnichannel workflows

Essential Responsibilities:

• Demonstrate an understanding of the Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
• Work closely with your peers and keep engaging in a fast pace technical design and development team
• Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
• Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
• Maintain code quality through best practices, unit testing and code quality automation
• Demonstrate the ability to make informed technology choices after due diligence and impact assessment
• Help in designing interfaces and information exchange between modules
• Articulate the need for scalability and understand the importance of improving quality through testing.
• Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
• Drive design reviews, define interfaces between code modules, and apply existing technology to designs
• Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Qualifications/Requirements:

• Minimum Bachelor's Degree in Computer Science, Computer Engineering or in "STEM" Majors (Science, Technology, Engineering, and Math)
• 6+ years of experience in Full Stack Software Development within the enterprise or software services domain

Desired Skills:

• Expertise in full stack software development and awareness of 12 Factor software patterns
• Experience and knowledge of patterns and anti-patterns of microservices-based architecture design
• Experience developing and deploying applications on cloud (Azure, AWS, or GCP), on-premise, and hybrid-based architectures
• Mid-Level to Expert within one or more of the following UI development JavaScript: Client-Side HTML5 jQuery, jQuery UI, Knockout.js,
• Polymer, AngularJS, ReactJS, Bootstrap
• Mid-Level to Expert within one or more of the back-end development languages: .NET, Java, Python, or Scala
• Very solid API skills (e.g. Express.js/Node.js, GraphQL/Relay, Flask, Jersey, Java Spring REST or WebApi2)
• Skilled in use of Java, Kafka, and Spark streaming technologies
• Experience with containerization technologies such as Rancher, Kubernetes, Docker and Helm
• Hands-on experience in data storage environments of many types (RDMS, NoSQL, HDFS, etc.)
• Knowledge of GitLab, Jenkins and Artifactory
• Solid foundation in data structures, algorithms, and OO Design with rock-solid programming skills
• Security: Identity Management and Access, application security and static code analysis
• Proven success working in and promoting a rapidly changing, collaborative, and iterative product development environment
• Strong interpersonal skills, analytical skills, combined with intellectual curiosity, and a desire and ability to "get things done" are essential
• Agile Scrum development experience
• Added advantage to those having experience in multi-tenant SaaS Platform and Developers' Portal development

Job Description: Full Stack Developer Company: Arroz Technology Private Limited CTC: 5 LPA

Location : Bangalore (Onsite)

Responsibilities:

- Design and develop scalable and high-performance web applications using the

MERN (MongoDB, Express.js, React.js, Node.js) stack.

- Collaborate with cross-functional teams to gather requirements and translate them into high-level designs.

- Write clean, reusable, and well-structured code following industry best practices and coding standards.

- Mentor and guide junior developers, providing technical expertise and promoting Professional growth.

- Conduct code reviews and provide constructive feedback to ensure code quality and adherence to standards.

- Collaborate with frontend and backend developers to integrate components and ensure smooth data flow.

- Work with UI/UX designers to implement responsive and user-friendly interfaces.

- Stay updated with the latest trends and advancements in full-stack development technologies.

- Work in a 10 AM to 6 PM, six-day office role, maintaining regular attendance and punctuality.

Required Skills and Qualifications:

-Strong proficiency in MERN (MongoDB, Express.js, React.js, Node.js) stack development.

-Experience with Redux or similar state management libraries.

-Solid understanding of front-end technologies such as HTML, CSS, and JavaScript.

-Proficiency in RESTful API development and integration.

-Familiarity with version control systems like Git and agile development methodologies.

-Good problem-solving and debugging skills.

-Excellent communication and teamwork abilities.

-Bachelor's degree in Computer Science or a related field (preferred).

Join Arroz Technology Private Limited as a Full Stack Developer and contribute to the development of cutting-edge web applications. This role offers competitive compensation and growth opportunities within a dynamic work environment. 

Job Responsibilities

·        Responsibilities for this position include but are not limited to, the following.

·        Development experience 3-6 years

·        Experience working with Azure cloud-hosted web applications and technologies.

·        Design and develop back-end microservices and REST APIs for connected devices, web applications, and mobile applications.

·        Stay up to date on relevant technologies, plug into user groups, and understand trends and opportunities that ensure we are using the best techniques and tools.

• Meeting with the software development team to define the scope and scale of software projects.
• Designing software system architecture.
• Completing data structures and design patterns.
• Designing and implementing scalable web services, applications, and APIs.
• Developing and maintaining internal software tools.
• Writing low-level and high-level code.
• Troubleshooting and bug fixing.
• Identifying bottlenecks and improving software efficiency.
• Collaborating with the design team on developing micro-services.
• Writing technical documents.
• Be an active professional in continuous learning resulting in enhancement in organizational objectives.
• Provide technical support to all internal teams and customers as it relates to the product.

Requirements:

• Bachelor’s degree in computer engineering or computer science.
• Previous experience as a full stack engineer and IoT Products.
• Advanced knowledge of front-end languages including HTML5, CSS, JavaScript, Angular, React.
• Proficient in back-end languages including Nodejs and basic knowledge of Java, C#.
• Experience with cloud computing APIs and Cloud Providers such as Azure or AWS.

·        Working knowledge of database systems (Cassandra, CosmosDB, Redis, PostgreSQL)

·        Messaging systems (RabbitMQ, MQTT, Kafka)

·        Cloud-based distributed application scaling & data processing in the cloud

·        Agile / Scrum methodology

• Advanced troubleshooting skills.
• Familiarity with JavaScript frameworks.
• Good communication skills.

High-level project management skills.

KEY RESPONSIBILITIES

• Building a website based on the given requirements and ensure it’s successfully deployed
• Responsible for designing, planning, and testing new web pages and site features
• A propensity for brainstorming and coming up with solutions to open-ended problems
• Work closely with other teams, and project managers, to understand all stakeholders’ requirements and ensure that all specifications and requirements are met in final development
• Troubleshoot and solve problems related to website functionality
• Takes ownership of initiatives and drives them to completion.
• Desire to learn and dive deep into new technologies on the job, especially around modern data storage and streaming open source systems
• Responsible for creating, optimizing, and managing REST APIs
• Create website content and enhance website usability and visibility
• Ensure cross-browser compatibility and testing for mobile responsiveness
• Ability to integrate payment processing and search functionality software solutions
• Stay up-to-date with technological advancements and the latest coding practices
• Collaborate with the team of designers, content managers, and developers to determine site goals, functionality, and layout
• Monitor website traffic and overall system’s health with Google analytics to ensure high GTmetrix score
• Build the front-end of applications through appealing visual design
• Design client-side and server-side architecture
• Develop server-side logic and APIs that integrate with front-end applications.
• Architect and design complex database structures and data models.
• Develop and implement backend systems to support scalable and high-performance web applications.
• Create automated tests to ensure system stability and performance.
• Ensure security and data privacy measures are maintained throughout the development process.
• Maintain an up-to-date changelog for all new, updated, and fixed changes.
• Ability to document and manage all the software design, requirements, reusable & transferable code, and other technical aspects of the project.
• Create and convert storyboards and wireframes into high-quality full-stack code
• Write, execute, and maintain clean, reusable, and scalable code
• Design and implement low-latency, high-availability, and performant applications
• Implement security and data protection
• Ensure code that is platform and device-agnostic

EDUCATION & SKILLS REQUIREMENT

• B.Tech. / BE / MS degree in Computer Science or Information Technology
• Expertise in MERN stack (MongoDB, Express.js, React.js, Node.js)
• Should have prior working experience of at least 3 years as web developer or full stack developer
• Should have done projects in e-commerce or have preferably worked with companies operating in e-commerce
• Should have expert-level knowledge in implementing frontend technologies
• Should have worked in creating backend and have deep understanding of frameworks
• Experience in the complete product development life cycle
• Hands-on experience with JavaScript, HTML, CSS, JQuery, JSON, PHP, XML
• Proficiency in databases, including analytical (e.g., mySQL, MongoDB, PostgreSQL, DynamoDB, Redis, Hive, Elastic etc.)
• Knowledge of architecting or implementing search APIs
• Great understanding of data modeling and RESTful APIs
• Strong knowledge of CS fundamentals, data structures, algorithms, and design patterns
• Strong analytical, consultative, and communication skills
• Excellent understanding of Microsoft office tools : excel, word, powerpoint etc.
• Excellent organizational and time management skills
• Experience with responsive and adaptive design (Web, Mobile & App)
• Should be a self starter and have ability to work without being supervised
• Excellent debugging and optimization skills
• Experience building high throughput/low latency systems.
• Knowledge of big data systems such as Cassandra, Elastic, Kafka, Kubernetes, and Docker
• Should be willing to be a part of a small team and working in fast-paced environment
• Should be highly passionate about building products that create a significant impact.
• Should have experience in user experience design, website optimization techniques and different PIM tools