Java Fullstack developer

Position : Tech Lead – Fullstack Developer

Experience : 7 to 15 Years

Location : MG Road, Bengaluru (Hybrid – 3 Days in Office)

Notice Period : Immediate / Serving / 15 Days or Less

About the Opportunity :

We are hiring a Tech Lead – Fullstack Developer for a well-funded product startup building an enterprise-grade SaaS platform in the Cybersecurity domain.

The role involves designing and delivering scalable microservices and cloud-native applications in a high-performing, Agile engineering environment.

You'll work alongside industry veterans from billion-dollar digital firms, contributing to technical design, product architecture, and engineering best practices.

Mandatory Skills : Java, Spring Boot, ReactJS (or any modern JavaScript framework), RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD, Hibernate/JPA, Multithreading, and Microservices architecture.

Role Highlights :

• Lead fullstack product development using Java (Spring Boot) and ReactJS (or similar frameworks).
• Design, develop, test, and deploy scalable microservices and RESTful APIs.
• Collaborate with Product, DevOps, and QA teams in a fast-paced Agile environment.
• Write modular, secure, and efficient code optimized for performance and maintainability.
• Mentor junior developers and influence architecture decisions across the team.
• Participate in all stages of the product lifecycle, from design to deployment.
• Create technical documentation, UML diagrams, and contribute to knowledge-sharing through blogs or whitepapers.

Key Skills Required :

1. Strong expertise in Java (mandatory) and Spring Boot.
2. Proficient in frontend development using ReactJS or similar frameworks.
3. Hands-on experience building and consuming RESTful APIs.
4. Solid knowledge of PostgreSQL, Hibernate/JPA, and transaction management.
5. Familiarity with Docker, Kubernetes, and cloud platforms (Azure/GCP).
6. Understanding of API Gateway, ACID properties, multithreading, and performance tuning.
7. Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Agile methodologies.
8. Strong debugging and profiling skills for performance bottlenecks.

Nice to Have :

• Experience with data integration tools (e.g., Pentaho, Apache NiFi).
• Exposure to the Healthcare or Cybersecurity domain.
• Familiarity with OpenAI APIs or real-time analytics tools.
• Willingness to contribute to internal documentation, blog posts, or whitepapers.

Perks & Benefits :

• Opportunity to build a product from scratch.
• Flat hierarchy and direct access to leadership.
• Strong focus on learning, mentorship, and technical innovation.
• Collaborative startup culture with long-term growth opportunities.

Interview Process :

1. Technical Round – Technical Assessment
2. Technical Interview – Core Development
3. Advanced Technical Interview – Design & Problem Solving
4. Final Round – CTO Discussion

Job Title : Flutter Dart Developer (Backend Heavy - Node.js)

Experience Required : 5+ Years

Location : Bellandur & Manthali, Bangalore – Onsite Only

Type : Contractual

About the Role :

We are looking for an experienced Flutter Dart Developer with a backend-heavy architecture (Node.js) to join our team on a contractual basis.

This role goes beyond basic UI development — we need someone who understands the complexities of security, caching, APIs, SQL, server-side rendering, performance tuning, and scalable backend architecture.

Mandatory Skills : Flutter, Dart, Backend-heavy architecture (Nodejs), RESTful APIs, SQL, Caching, Firebase, State Management (Bloc/Provider/Riverpod), Performance Tuning, Git, Mobile Deployment (iOS & Android), Agile

Key Responsibilities :

• Develop high-performance cross-platform apps using Flutter & Dart.
• Translate complex UI/UX into responsive mobile experiences.
• Collaborate with product, design, and backend (Node.js) teams to deliver scalable features.
• Implement caching, security, SQL, and performance optimization strategies.
• Integrate RESTful APIs, Firebase, and third-party libraries.
• Conduct code reviews and support junior developers.
• Stay updated on emerging mobile/backend technologies.

Required Skills & Qualifications :

• 5+ Years in Mobile Development, 3+ Years with Flutter & Dart.
• Strong knowledge of state management (Bloc, Provider, Riverpod).
• Hands-on experience in Node.js for backend development.
• Expertise in API design, SQL, caching, offline storage, security, and performance tuning.
• Experience with Firebase, push notifications, and app deployment on iOS & Android.
• Familiarity with native mobile development (Kotlin/Java or Swift/Obj-C) is a plus.
• Proficient in Git and Agile methodologies with excellent problem-solving skills.

        As a member of the development group, you will be primarily responsible for the design, development, and maintaining the product.

        Work with the Product and Design teams to build new features to solve business problems and fill business needs.

        Participate in code reviews to create robust and maintainable code.

        Work in an agile environment where quick iterations and good feedback are a way of life.

        Continually look for opportunities to improve our platform, process, and business.

        Communicate and coordinate with our support and professional services teams to solve customer issues.

        Help scale our platform as we expand.

        8+ years of hands-on experience in enterprise software development using J2EE Framework. 

        Experience with 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.

Job Overview :

We are seeking a passionate and experienced Full Stack Developer with a strong background in Java and modern front-end technologies. The ideal candidate should possess a keen analytical mindset, be comfortable working in a cross-functional, fast-paced environment, and demonstrate the ability to take ownership of technical challenges. This role involves end-to-end development, from understanding business requirements to delivering scalable, high-quality solutions, while continuously seeking improvement and innovation. 

KEY RESPONSIBILITIES 

• Analyze entity relationships to design and implement efficient, scalable code solutions.
• Develop reports and conduct thorough analysis to identify defects and recommend enhancements. 
• Perform root cause analysis to resolve issues effectively and prevent recurrence. 
• Offer technical recommendations and develop improvement plans based on data-driven insights. 
• Apply a curious, problem-solving mindset to tackle complex business challenges and propose innovative solutions.   

 REQUIRED QUALIFICATIONS: 

• 5+ years of hands-on experience with Java, HTML5, Angular, TypeScript, JavaScript, and React. 
• Demonstrated knowledge or strong interest in full stack development. 
• Solid experience working with RESTful services, independent of platform.
• Proficiency in Oracle or SQL Server, with the ability to define data flow, high-level data design, and relationships.
• Exposure to AWS Cloud technologies and cloud-based development. 
• Working knowledge of version control tools such as Git or SVN.
• Experience implementing automated testing platforms and writing unit tests. 
• Proven ability to collaborate with cross-functional teams including Technical Leads, Product Managers, and Designers. 
• Strong communication skills with a flexible, team-oriented approach. 
• Prior experience working with US-based clients and adaptability to shifting priorities. 
• Self-driven and accountable, with a strong sense of ownership and responsibility.

We are looking for computer science/engineering final year students/ fresh graduates that have solid understanding of computer science fundamentals (algorithms, data structures, object oriented programming) and strong java. programming skills. You will get to work on machine learning algorithms as applied to online advertising or do data analytics. You will learn how to collaborate in small, agile teams, do rapid development, testing and get to taste the invigorating feel of a start-up company.

Experience

None required

Required Skills

-Solid foundation in computer science, with strong competencies in data structures, algorithms, and software design

-Java / Python programming

-UI/UX HTML5 CSS3, Javascript

-MYSQL, Relational Databases

-MVC Framework, ReactJS

Optional Skills

-Familiarity with online advertising, web technologies

-Familiarity with Hadoop, Spark, Scala

Education

UG - B.Tech/B.E. - Computers; PG - M.Tech - Computers

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. - 3 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.

• 3+ years relevant professional experience.   
• Good understanding and a full life cycle project implementation experience with Java / J2EE technologies  
• Hands on experience in core Java 
• Hands on experience in Microservices Architecture patterns.

• In-depth knowledge of application development using Spring.
• Proven experience implementing Java applications in an enterprise environment.
• Fundamental understanding of JavaScript front-end development.

• Experience with Angular and TypeScript   
• Experience upgrading applications from Angular 5 to 6 is a plus. 
• Experience using SOAP or REST APIs   
• Familiarity with Bitbucket, Rally, and REST API Clients is a plus.   
• Strong communication and interpersonal skills is an absolute must.   
• Bachelor's degree or equivalent.   

Responsibilities:

• Building and developing web application using Angular 2+, Node Js and Mongo DB
• Maintenance and support of existing application
• Problem solving, debugging and analytical skills
• Monitoring and deploying application on Microsoft Azure

Technical / Functional Skills:

• 2+ years of hands-on experience in Angular 2+, Node Js, Mongo DB and Microsoft Azure

• Strong experience in performance tuning of complex Mongo DB queries
• Good understanding of Typescript, JavaScript (ES6), CSS, HTML
• Experience in the contact center industry preferred
• Experience in using Git/Bitbucket or any version control tools
• Graduate in IT, Computer Science or similar relevant field preferred

Attitudinal skills:

• Must be able to work without much assistance
• Great communication and interpersonal skills
• Analytical and process-oriented mindset