Application Developer

Technical Lead – Full Stack 

Overview 

We are seeking a high-caliber Tech Lead – Full Stack to join our Digital Twin Platform and Simulation team. In this role, you will translate high-level architectural visions into robust, executable low-level designs (LLD). You will be the technical anchor for the squad by providing deep technical guidance and maintaining rigorous standards you will enable the team to deliver scalable interfaces and services that power our digital twin ecosystem. 

Our Core Full Stack Stack 

Front-End Engineering 

• React + TypeScript (with Next.js), ShadCN/UI, Tailwind CSS for building complex, state-heavy interactive dashboards.
• JavaScript (ES6+) and TypeScript for type-safe management of simulation data 
• State management (Redux/Zustand) optimized for high-frequency data updates 

·      Experience in ESRI ArcGIS Map usage in UI is a big plus.

Back-End & Microservices 

• Java and Spring Boot for building high-scale, resilient microservices 
• REST APIs for seamless communication between services and front-end consumers 
• Microservices architecture and system integration patterns 
• Experience designing, building, and integrating RESTful or GraphQL APIs, Protobuf with gRPC and gRPC-Web  

Engineering Excellence 

• GitHub for version control and rigorous Code Reviews 
• CI/CD pipelines, Docker, and Kubernetes for cloud-native deployment 

Key Responsibilities 

• Low-Level Design (LLD): Convert high-level architectural blueprints into detailed technical designs, including class diagrams, sequence diagrams, and API specifications. 
• Technical Mentoring: Lead and coach the engineering team through pair programming, technical 1-on-1s, and hands-on guidance to elevate overall team competency. 
• Standards Enforcement: Ensure all code adheres to the defined engineering standards, SOLID principles, and design patterns established by the Architects. 
• Code Quality & Review: Conduct comprehensive code reviews to maintain high quality, ensuring the team delivers clean, testable, and maintainable code. 
• Technical Anchoring: Serve as the "go-to" expert for the squad to resolve complex technical blockers and provide clarity on implementation details. 
• Hands-on Development: Direct implementation of critical and complex modules, setting the benchmark for performance and reliability. 
• System Integration: Oversee the technical execution of integrations between full-stack applications and core data layers (Databricks/Neo4j). 
• Delivery Governance: Ensure the squad meets sprint objectives by maintaining a high standard of execution and managing technical debt effectively. 

Preferred Qualifications 

• 8 to 10 years of professional experience in full-stack software development. 
• Proven track record in a Tech Lead capacity, with strong experience in creating Low-Level Designs. 
• Expert-level proficiency in Java, Spring Boot, and React. 
• Deep understanding of Microservices architecture and RESTful API design. 
• Familiarity with ShadCN/UI familiarity along with Material UI, Storybook, and/or similar tools
• Demonstrated ability to mentor engineering teams and drive technical excellence in an Agile environment. 
• Experience working in the India tech region, preferably within high-growth product engineering teams.

Highly Desirable 

• Experience building platforms for Digital Twin, IoT, or Simulation environments. 
• Familiarity with visualizing complex networks or real-time operational data. 
• Knowledge of performance tuning for both front-end rendering and back-end processing. 
• Experience leading teams in an Agile/Scrum environment. 
• Exposure to industrial domains such as Manufacturing, Logistics, or Transportation is a plus. 

Location: Hyderabad, Telangana 

Department: Engineering 

Employment Type: Full-Time 

Mandatory Skills

• Backend: Java, Spring Boot
• Frontend: Angular
• Database: Oracle / SQL
• Node js

Job Description

Contribute to all software-development life-cycle phases including: domain and non-domain problem analysis, solution requirement gathering and analysis, solution design, implementation, code review, source-code control, source building deployment, validation, QA support, and production support.

Essential Duties and Responsibilities

•⁠ ⁠Maintain and enhance multi-tier messaging application suites (Java EE, Springframework, WAS, Oracle, DB2, MQ)

•⁠ ⁠Build and maintain IRIS4Health middle-tier message applications (IRIS Interop/Cache; Java, Drools, Kafka, Restful, MLLP, SQL)

•⁠ ⁠Build and maintain multi-tier Clinical Toxicology application (Angular, Java EE, Springframework, WAS, RHOS, Cache, SQL)

•⁠ ⁠Maintain stat-tracking application (two-tier Delphi, MySQL)

•⁠ ⁠Maintain and enhance Cytogenetics three-tier application (Java EE, WAS, DB2, Oracle, SQL, )

•⁠ ⁠Maintain and enhance Fibrosure application (Java EE, WAS, Derby)

•⁠ ⁠Define develop, validate, and release software products via agile processes for small and large projects

•⁠ ⁠Support applications and people via Kanban processes

•⁠ ⁠Collaborate with laboratory users to analyze problems, design and implement solutions for enterprise systems

•⁠ ⁠Provide support and troubleshooting of production systems according to an on-call schedule

•⁠ ⁠Document problem analysis, solution design, implementations, and system support guidelines

•⁠ ⁠Coach and train team members across lab system organizations to support and develop Java applications

•⁠ ⁠Communicate effectively and constructively with developers, QA, business analysts, and system users

•⁠ ⁠Design and depict via UML relational DB table models, object-oriented class models, messaging models, configuration models

•⁠ ⁠Understand, document, support, and improve inherited code and processes

•⁠ ⁠Help document knowledge and discovery with peer developers

Minimum Requirements

•⁠ ⁠Solid Java EE experience (Servlets, JMS, JSP, EJB, JCA, and JPA) development and support

•⁠ ⁠Solid InfoSystems Cache/IRIS for Health development and support

•⁠ ⁠A minimum of 1 years of JPA/ORM (Hibernate), Junit, XML/XSD, JSON experience or equivalent

•⁠ ⁠Solid SQL (and optionally PLSQL) experience

•⁠ ⁠Experience with Oracle DB including explain plan and or other query optimization techniques/tools

•⁠ ⁠Excellent verbal and written communication skills

•⁠ ⁠Strong UML modeling, ER and OO design, and data-normalization techniques

•⁠ ⁠Strong code-factoring philosophies and techniques

•⁠ ⁠Eclipse or NetBeans (or equivalent) IDE

•⁠ ⁠Strong understanding of client/server design, and smart recognition of separation-of-concern like functional behavior versus non-functional performance

Desired Requirements

•⁠ ⁠Java EE, Angular

•⁠ ⁠InfoSystem's Cache and/or IRIS for Health

•⁠ ⁠Springframework

•⁠ ⁠Modern deployment architectures using containers, API Gateways, load balancers, and AWS cloud based environments

•⁠ ⁠WebSphere or WebLogic, RHOS

•⁠ ⁠RESTful Web Services

•⁠ ⁠JMS interfacing, Apache Kafka, and IBM MQ

•⁠ ⁠Node.js/NPM, Bootstrap, or similar frameworks

•⁠ ⁠Git/BitBucket (git flow), Maven, Nexus, UCD, Jira (Kanban and SCRUM), agile workflow

•⁠ ⁠Unix shell script, DOS script

•⁠ ⁠SQL (optionally PLSQL)

•⁠ ⁠Design patterns

•⁠ ⁠HTML5, CSS3, and TypeScript development

•⁠ ⁠Ability to transform specific domain requirements into generalized technical requirements, and design and implement abstract solutions that are understandable and scalable in performance and reuse

•⁠ ⁠HL7 and/or Healthcare and/or Clinical Toxicology

•⁠ ⁠Oracle, MySQL, Derby DB

We are looking for an experienced Full Stack Engineer to join our client's  development team. In this role, you will be responsible for the overall development and implementation of front and back-end software applications. Your responsibilities will extend from designing system architecture to high-level programming, performance testing, and systems integration.

To ensure success as a full stack engineer, you should have advanced programming skills, experience with application development, and excellent troubleshooting skills. Top-rated full stack engineers create and implement advanced software systems that perfectly meet the needs of the company.

• 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.
•  

• Bachelor’s degree in computer engineering or computer science.
• Previous relevant experience of minimum 3-5 years as a full stack engineer.
• Advanced knowledge of front-end languages including HTML5, CSS, JavaScript, C++, and JQuery.
• Proficient in back-end languages including Java, Python, Rails, Ruby, .NET, and PHP.
• Knowledge of database systems and SQL.
• Advanced troubleshooting skills.
• Familiarity with JavaScript frameworks.
• Good communication skills.
• High-level project management skills.

Interested in a full cycle development role working collaboratively with a diverse suite of clients and a team that cares about your growth? Join Virtusa!

As a Java Developer, you will have the opportunity to tap into your knowledge to develop, design and manage a wide range of innovative projects.  Sound like fun? Read on.

Day-to-day responsibilities will include:

• Utilizing your deep technical knowledge to design, develop and optimize business processes across multiple systems.Developing detailed technical analysis and design specifications based on functional requirements.
• Collaborating with fellow developers and clients to solve problems.
• Creating user acceptance testing and performance testing plans to validate and support the customizations, features and functionalities.
• Migrating to internal and external clouds, as well as to Microservices architecture.
• Evaluating open source and vendor products.

Key responsibility:

• Designing and developing for performance and scalability, and to meet the overall detailed requirements of the system.
• Collaborating with fellow developer, testing, operations and architecture teams when projects and changes in technology have impact across the enterprise
• Creating user acceptance testing and performance testing plans to validate and support the customizations and integrations.

Qualifications:

• Minimum 3  years of software development using Java, J2EE, , XML, Web Services/SOA and used Java frameworks - Spring, Spring-boot, Hibernate, REST.
• Working with GIT/Bitbucket, Maven, Gradle, Jenkins tools to build and deploy code deployment to production

           environments

• Experience with Application Development using object oriented Lifecycle and Application Frameworks
• Strong technical, analytical, problem solving, and communication skills
• Experience with system, application, and process documentation including tools such as MS-Visio, Office.
• Experience with quality control and root-cause analysis.
• Excellent verbal, written, interpersonal, organizational and time management skills
• Solid experience in design, coding, testing and debugging skills
• Solid experience in design, coding, testing and debugging skills
• Familiar with automation tools Autosys/ Control-M
• Experience with SVN Source Code management techniques/ tools for software management, Knowledge SDLC tools (JIRA).
• Demonstrated teamwork and ability to work with diversified multi-location team.

• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React.
• Proficiency with server side languages such as Python, Java, PHP and .Net.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Excellent verbal communication skills.

B.E. (Computers) or equivalent candidate is required for this profile along with expertise In Java/ PHP Programming. We are looking for a thoughtful Java/ PHP Developer. Must have strong fundamentals. You will be joining the core team of a rapidly expanding company focusing on making Google Workspace- Cloud Telephony products. We are generally agnostic of language, technology or tools; we use whatever fits the bill best. However, we emphasize a lot on clean abstractions of code, loosely coupled services and good coding practices. You must possess the ability to work on projects without detailed instructions; being a self-starter and taking ownership is a crucial requirement for this role. Good Communication Skill is essential.

Responsibilities:

• Design and build applications on Java/ PHP
• Code review 
• Guide team members 
• Keeping the code optimized and readable.
• Coordination with team members and customer
• Coding, Bug fixes and unit testing
• Coordination with team members and customer

Who Should apply 

1. Candidate should have  2-4 year of work experience  
2. PHP/ Java Developer
3. Having Good Communication Skills

Specific Skill Sets:

• We are looking for a candidate who can work flexibly
• Experience in working on any one of the MVC architectural pattern : Codeigniter / Laravel / Yii/ Struts 2 would be an added advantage 
• Know your way around HTML, HTML5, CSS, CSS3, PHPScript, JQuery and frontend frameworks (such as Ember.js, React.js)
• Must have built SOAP / REST APIs / backends
• Knowledge of APIs and platform capabilities
• Past experience of shipping mobile products (live apps in Play Store a huge plus).
• Expertise in working on multi­threaded apps, XML & JSON, and web services. 
• Should be very strong in Computer Science fundamentals (such as threads, virtual memory, process stacks etc.)
• Should have worked on different data stores (RDBMS, No-SQL) and know when to use what, how to scale them etc.
• Ability to work on projects without detailed instructions; being a self­starter and taking ownership is a crucial requirement for this role.
• Good communication skills is an essential advantage for collaborating with customers and the team.

Requirements

• Minimum 2+ years' experience as a software developer.
• Highly experienced with backend programming languages - NodeJs or Java etc, Highly experienced with front-end programming languages - HTML, CSS JavaScript, etc Proficient experience using - advanced JavaScript libraries and frameworks.
• Familiarity with Git.
• Experience consuming API endpoints.
• Good to have - Kafka/queuing system
• Should be well-versed in using multiple Databases - SQL/NO SQL.
• Should have experience using in- memory Data Bases-Redis.
• Experience with Unit-Testing.
• Experience building web applications with responsive design.
• Experience with Node.js and/or other server-side JavaScript technologies and tools.
• Strong knowledge of design principles, user interfaces, web standards and usability.
• ES6 React JS/JSX, Redux, Web pack, Immutable.js .