Fullsatck Developer

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

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 

Role: Senior Software Developer (Full Stack) - Python 

Location: Coimbatore 

YOE: 6+ years 

Mandatory Skills: Python, AWS 

Good to have: React, SQL, React Native, Knowledge in Flutter/Android Native Benefits: Learn more about our perks below 

Compensation: Competitive compensation as per industry standards. 

About the Role: 

We aspire to build high-quality, innovative & robust software. If you are a hands-on platform builder with significant experience in developing scalable data platforms, look no further. Click on Apply and we will reach out to you soon. 

Responsibilities: 

● 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; recommending changes in policies and procedures. 

● Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products. 

● Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment 

● Participate in educational opportunities & read professional publications;

● 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. 

● Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Requirements: 

● Proven work experience as a Full Stack Engineer or Senior Software Developer

● Strong experience designing and developing scalable and interactive applications

● Hands-on expertise in React or similar UI technologies for frontend development and Python or other modern backend languages 

● Experience in mobile app development (e.g., React Native, Flutter, or Native Android/iOS) 

● Deep understanding of relational databases (e.g., PostgreSQL/MySQL) with strong proficiency in SQL 

● Experience with ORM frameworks (e.g., TypeORM, SQLAlchemy or similar)

● Familiarity with NoSQL databases (e.g., MongoDB) and caching systems like Redis is a plus 

● Test-driven development and automated testing experience is a plus ● Proficiency with modern software engineering tools, Git-based workflows, and CI/CD pipelines 

● Strong ownership mindset with ability to lead teams, mentor developers, and drive end-to-end delivery 

● Excellent communication and collaboration skills with cross-functional stakeholders

● Working knowledge of AWS or other cloud platforms is an added advantage 

Strong Full-Stack/Frontend Developer Profiles

Mandatory (Experience 1): Must have 4+ years of hands-on experience in software development.

Mandatory (Experience 2): Must have 2+ years of frontend development experience with React.js, HTML5, CSS3, JavaScript (ES6+);

Mandatory (Experience 3): Must have 6 months+ experience of backend development with any backend language (Project will also work)

Preferred (Experience) – Exposure to GCP/AWS/DevOps and cloud-native development

JD:

- 12 + Yrs of total experience along with knowledge and hands-on experience in MERN (Mongo db, Express js, React js and Node js) stack.

- Experience to unblocking and helping technical teams.

- Experience in application architecture design and development

- Expertise in designing scalable applications.

- Experience in working on deployments, cloud infra and CI/CD.

- Full stack development experience 

- Hands on experience in MERN stack.

Develop and maintain application documentation and coding standards that are clear, accurate and detailed. Troubleshoot .NET issues and provide debugging support as needed. Maintain communication with key players on development process and communicate complex technical information to non-technical audiences. Provide mentorship and support to other employees

·       Hands on Experience on HTML, jQuery, JavaScript, MongoDB, NoSQL, Azure/Google Cloud Components

·       HTML: Elements and attributes, HTML Structures

·       jQuery: Functions and events, class based, ID based and attributes-based events, effects, JSON serialization and deserialization, JSON data preparation, AJAX Calls, async functions‍

·       JavaScript: For Loops, Filters, JSON Data Mapping

·       Expert on C# (.Net Core & Asp.NET MVC) and MongoDB

• Hybrid app development in Flutter, with Magento 2 hybrid ecommerce
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React JS, Ionic and Amber.
• Proficiency with server language Java(Spring Framework)
• Familiarity with database technology such as MySQL, Oracle and MongoDB, NoSQL, ElasticSearch and other database technologies.
• English language
• Experience: 3 to 5 years
• Education: software engineer or self-education. Speed, knowledge, and competencies are key factor.
• working days based on UAE calendar/min 20 days per month, working hours 9 AM – 6:30 PM/Ahmedabad time zone

Summary:

The Learner Company is an education start-up that designs personalized learning experiences by integrating them with the best of what technology offers. We are currently building an online learning engine to host adaptive online courses, simulations, and multiplayer games for institutional partners. We are now in the software development stage of the project.

We are looking for a full-stack developer to join our development team. The developer will be responsible for the overall development and implementation of front and back-end software applications. Their responsibilities will extend from designing system architecture to high-level programming, performance testing, and systems integration.

We are looking for an individual who is optimistic about technology and people, is open to and excited by new ideas, and considers themselves a life-long learner.

Responsibilities:

• 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.

Required Competencies:

• Bachelor’s degree in computer engineering or computer science.
• Previous experience as a full stack engineer.
• Advanced knowledge of front-end languages including HTML5, CSS, TypeScript, JavaScript, C++, JQuery, React.js and Next.js.
• Knowledge of relational database systems and SQL.
• Familiarity with AWS architecture and working knowledge of services like S3, SES, EC2, RDS and more.
• Proficient in back-end languages including Java, Python, Rails, Ruby, .NET, and PHP.
• Advanced troubleshooting skills.
• Familiarity with MS Word, Excel, PowerPoint, Notion, Veed.io, Linear, Intercom, Plateau, and Miro.
• A strong belief that a team as a whole is greater than the sum of its parts.
• Excellent leadership, communication, and organization skills
  
  

Experience Needed: 2+ Years

Location: Bengaluru

• 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.

Technical Skills

Front-end:

Mandatory Technical Skills: ReactJS, ES6, Context API, GraphQL, Redux, Payment Gateway
Not Mandatory skills: Redux saga, Gatsby, Git Pipeline, Deployment on Cloud AWS/Azure/Google

Back-end:

Mandatory Technical Skills: NodeJS, ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment Gateway,
Exception Management, Error Loggin, API Developement, API Security, PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB
Not Mandatory: Docker Deployment, Git Pipeline, Auto Deployment, AWS/Azure/Google, NestJS

Job roles and responsibilities

• Design and implement key components of our technical infrastructure, including services supporting payments, lottery results, user management, and game mechanics
• Design and implement user-facing features for Web, iOS, and Android applications
• Take ownership of mission-critical functionality that is consumed by our mobile, web, and internal applications
• Work as a team with your peers, collaborating on architecture, mentoring teammates, and pushing our entire stack forward
• Stay up to date on the latest innovations in our industry and in our tech stack
• Integrating with and managing third-party APIs as well as designing and developing APIs for partners and peers
• Work with the product team to keep the roadmap realistic, on track, and groomed
• Capable of writing technical specs and documenting work
• Management of Jira, Git, AWS, Heroku, and other platform systems

Competencies and Skills Required

1. Requires excellent analytical, problem-solving, and good communications skills
2. Must be able to work effectively with business stakeholders
3. Able to understand requirements and implement complete business solutions for our industry
4. Must possess strong customer service skills
5. Excellent written and verbal communication
6. Must have excellent interpersonal skills

Required skills:

1. Backend: Core Java, Spring Boot, Microservices, Hibernate/JPA, Data Structure and Algorithms, and Restful Web Services
2. Front end : HTML, CSS, JavaScript, jQuery, Vue.JS,  NuxtJS ,Vue-router, Vuex 
3. Database : MySQL
4. Version Control Tool: Git
5. Cloud Service: AWS

Job Description:

• Commercial experience using the Full stack Java Development
• Should be strong on basics of core Java - Basic Oops concepts, String, Collections, Exceptions, Interface, Inheritance
• Spring Family - Spring Boot, Spring Core
• Experience in creating Microservice using REST & Spring Boot
• Should be familiar with UI HTML, CSS, JavaScript, Vue.JS framework
• Hands-on experience on Oracle or SQL Server database
• Knowledgeable in AWS
• Agile Experience: Should be able to understand Scrum ceremonies and able to demonstrate experience in Agile