Java Developer - Full Stack

Job Summary

We are looking for a Technical Lead with strong expertise in AWS, Node.js, and MongoDB to drive the design, development, and deployment of scalable applications. The ideal candidate will be responsible for leading a team of developers, defining best practices, and ensuring high-quality code delivery while working in an agile environment.

Key Responsibilities

• Lead the end-to-end development of web applications using Node.js, Angular, and MongoDB.
• Architect scalable, secure, and high-performance cloud-based applications on AWS.
• Provide technical guidance, code reviews, and mentorship to the development team.
• Optimize backend APIs and database queries for performance and scalability.
• Ensure best practices in coding, security, and DevOps for cloud deployment.
• Collaborate with cross-functional teams including UX/UI designers, product managers, and DevOps engineers.
• Implement CI/CD pipelines, automated testing, and infrastructure as code on AWS.
• Troubleshoot production issues and drive continuous improvement in system reliability.
• Stay updated with emerging technologies and advocate for relevant tech adoption.

Required Skills & Experience

• 4+ years of hands-on experience in software development.
• Strong proficiency in Node.js (Fastify/Express), Angular (latest versions), and MongoDB (Mongoose, Aggregations, Indexing).
• Cloud expertise with AWS services like EC2, S3, Lambda, API Gateway, ECS .., etc.
• Experience with Microservices Architecture.
• Strong knowledge of RESTful APIs, WebSockets, GraphQL, and authentication mechanisms (OAuth, JWT, SSO).
• Hands-on experience with performance tuning, caching strategies (Redis, CloudFront), and database optimisation.
• Strong problem-solving, leadership, and communication skills.

Good to Have

• Experience with AI/ML integration in applications.
• Knowledge of Serverless Architectures (AWS Lambda, Step Functions).
• Exposure to NoSQL databases like like Elasticsearch.

Why Join Us?

• Work on cutting-edge technologies in a fast-paced environment.
• Opportunity to lead a strong technical team and shape the product architecture.
• Competitive salary and benefits package.
• A culture that values innovation, ownership, and growth.

• Develops software solutions by studying information needs, conferring with users, studying systems flow, data usage, and work processes; investigating problem areas; and following the software development lifecycle.
• Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
• Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments, and clear code.
• Prepares and installs solutions by determining and designing system specifications, standards, and programming.
• Improves operations by conducting systems analysis and recommending changes in policies and procedures.
• Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment, and by participating in educational opportunities, reading professional publications, maintaining personal networks, and participating in professional organizations.
• Protects operations by keeping information confidential.
• Provides information by collecting, analyzing, and summarizing development and service issues.
• Accomplishes engineering and organization mission by completing related results as needed.
• Supports and develops software engineers by providing advice, coaching, and educational opportunities.

•  Good communication skills in English (Written and Oral)
•  Strong knowledge of RDBMS concepts
•  Strong analytical and problem-solving skills
•  Experience in performance tuning
•  Experience in interaction with the customer
• Mandatory technical skills Java 8+, Angular 2+, HTML, CSS, TypeScript
• Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence) 
•  Ability to explore the application by himself/herself from the training provided

• New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
•  Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
• Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
• Level 2 and Level 3 support (Support process adherence)
• Functional and technical or solution documentation preparation
• Execution will either be Waterfall or Agile
• The process needs to be followed as defined by RBEI or RBEI’s Customer
• Preparation & participation in the project status and review meeting

• 8+ years of hands-on experience in enterprise software development using Java, and J2EE Framework. 
• Experience with http://react.js/">React.js, AngularJS, strong knowledge of JavaScript, CSS, HTML5
• Passion for building enterprise web applications leveraging modern architecture principles, strong prior experience as a full stack developer. 
• Expertise with CSS and building responsive pages, with a keen eye for UI design and usability
• Experience with web-accessibility/WCAG standards
• Experience working collaboratively with a globally distributed team.
• Experience with agile methodologies and good exposure to DevOps/CICD models.
• Passion for keeping up with new trends and developments in the programming community and is eager to find ways to incorporate these new ideas into our codebase.

As an Architect, you would be expected to:

• Own the overall architectural decisions, design, and development of technology.
• Lead a multi-disciplinary team responsible for the full lifecycle of product development and testing.
• Play a significant role in the career development of others. Work with engineering teams to provide continuous architecture and design mentor-ship / leadership and be a source of support that ensures successful product delivery and operational excellence in production.
• Actively participate in design reviews, improve product delivery and align teams across the organization towards coherent architectural strategies.
• Deliver artifacts that set the standard in your organization for engineering excellence, from designs to algorithms to implementations.
• Help others understand when it is appropriate to create new versus reuse or extend existing software solutions.
• You will develop systems, component architectures, and APIs that meet the test of time. Articulate and evangelize architectural principles that ensure that system components fit and last and align with the company's business direction.

You would be a good fit if:

• You will have worked in past faced product companies and at least 8 years of experience
• Should have been part of scalable product development cycles with either large data handling or large transaction processing exposure.
• You will also possess a good understanding of object-oriented design, algorithms, Web Applications Architectures, and Microservices.
• Experience developing cloud software services and an understanding of design for scalability, performance, and reliability
• Champion a culture of innovation, in an environment that requires high levels of scalability, security, and reliability.
• You are an excellent collaborator & communicator. You know that start-ups are a team sport. You listen to others, aren’t afraid to speak your mind and always try to ask the right questions. You are excited by the prospect of working in a distributed team and company.
• Solid coding skills with the ability to drive teams through massive refactoring exercises & improve coding standards across large codebases.
• Hungry to make an impact ethically and effectively, with deep empathy for end consumers.
• Any open-source code or contributions to OSS projects would be a bonus!

What do we offer?

• A multicultural and diverse team of colleagues from all over the globe Mission-driven and fast-paced, entrepreneurial environment
• Competitive salary and other benefits
• Hybrid of work-from-home and work-from-office with full management support during Covid time
• A collaborative and flat company culture

What’s in it for you?

Do you truly want to make a difference and revolutionize the lives of millions of business owners? Do you thrive in an environment where moving at light speed and embracing new challenges every day is essential? If yes, Lummo (earlier BukuKas) is the perfect place for you!

• Should have expert level knowledge to Design, Develop and test Web Apps with Angular versions 6 and above.
• Primary Skills – Angular6+, HTML, CSS3, JavaScript.
• Node JS as backend will be advantage
• Knowledge of Mongo, MySql will be advantage
• Highly skilled at front-end engineering using Object-Oriented JavaScript, TypeScript, various JavaScript,TypeScript patterns and frameworks.
• Should have experience in publishing and consuming Services using REST API
• Excellent time-management, multi-tasking, and communication skills. Capable of handling multiple projects and related complexities at the same time.

Major Responsibility/ Job Responsibility:    

Strong knowledge with Java frameworks (Spring, Hibernate, Mybatis)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding of object-oriented design patterns.

Strong experience in Architecture & Designing, Web services (Rest or SOAP)

Good knowledge on Jasper Reports, iReports & XML

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4, Primefaces

Good knowledge on SQL and PL/SQL for Postgres, Oracle database

Good understanding of application and web servers – JBOSS, TOMCAT, JETTY

Hands- on experience for Eclipse IDE

Self-learner willing to experiment with latest features

Team player, willing to take responsibility and contribute

Experience in Waterfall/Agile development

Good communication skills both written and oral.

Hands on Experience with Unit Testing of Application using Junit Framework.

Key Result Areas:

Requirement analysis, design, Coding & unit testing

Technical documentation

Timely delivery of module with good quality

Sound knowledge on OOAD

Sound knowledge on n-tier, MVC architecture

Necessary Qualification/ Technical Skills:

2-5 years of total IT experience

Strong knowledge with Java frameworks (Spring, Hibernate, mybatis,)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4,Primefaces

Good knowledge on Jasper Reports, iReports & XML

Good knowledge on SQL or PL/SQL for Postgres, MySQL, Oracle database.

Good understanding of application and web servers – JBOSS,TOMCAT,JETTY

Desirable:

Experience in short release cycles & full software life cycle.

Entire SDLC knowledge

Demonstrated problem solving, analytic and troubleshooting skills.

Basic/Advanced Java Certification

Special Skills (If Any):

Experience in Performance Tuning and creation of secured applications

Experience with high volume and highly scalable application is a plus.

Experience in Transport, Logistics & Finance domain