Fullstack Developer

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

We’re partnering with a fast-growing AI-first enterprise transforming how organizations handle documents, decisioning, and workflows — starting with BFSI and healthcare. Their platforms are redefining document intelligence, credit analysis, and underwriting automation using cutting-edge AI and human-in-the-loop systems.

As an AI Engineer, you’ll work with a high-caliber engineering team building next-gen AI systems that:

• Power robust APIs and platforms used by underwriters, analysts, and financial institutions.
• Build and integrate GenAI-powered agents.
• Enable “human-in-the-loop” workflows for high-assurance decisions in real-world conditions.

Key Responsibilities

• Build and optimize ML/DL models for document understanding, classification, and summarization.
• Apply LLMs and RAG techniques for validation, search, and question-answering tasks.
• Design and maintain data pipelines for structured and unstructured inputs (PDFs, OCR text, JSON, etc.).
• Package and deploy models as REST APIs or microservices in production environments.
• Collaborate with engineering teams to integrate models into existing products and workflows.
• Monitor, retrain, and fine-tune models to ensure reliability and performance.
• Stay updated on emerging AI frameworks, architectures, and open-source tools; propose system improvements.

Required Skills & Experience

• 2–5 years of hands-on experience in AI/ML model development, fine-tuning, and deployment.
• Strong Python proficiency (NumPy, Pandas, scikit-learn, PyTorch, TensorFlow).
• Solid understanding of transformers, embeddings, and NLP pipelines.
• Experience with LLMs (OpenAI, Claude, Gemini, etc.) and frameworks like LangChain.
• Exposure to OCR, document parsing, and unstructured text analytics.
• Familiarity with FastAPI/Flask, Docker, and cloud environments (AWS/GCP/Azure).
• Working knowledge of CI/CD pipelines, model validation, and evaluation workflows.
• Strong problem-solving skills, structured thinking, and production-quality coding practices.

Bonus Skills

• Domain exposure to Fintech/BFSI or Healthcare (e.g., credit underwriting, claims automation, KYC).
• Experience with vector databases (FAISS, Pinecone, Weaviate) and semantic search.
• Knowledge of MLOps tools (MLflow, Airflow, Kubeflow).
• Experience integrating GenAI into SaaS or enterprise products.

Education

• B.Tech / M.Tech / MS in Computer Science, Data Science, or related field.
• (Equivalent hands-on experience will also be considered.)

Why Join

• Build AI systems from prototype to production for live enterprise use.
• Work with a senior AI and product team that values ownership, innovation, and impact.
• Exposure to LLMs, GenAI, and Document AI in large-scale enterprise environments.
• Competitive compensation, career growth, and a flexible work culture.

Experience: 5+ years

Location: Mumbai - Andheri Marol

Company: Wissen Technology

Website: www.wissen.com

Job Description:

Wissen Technology is currently hiring experienced Full Stack Java Developers with strong expertise in Core Java, Spring Boot, front-end technologies (Angular/React), REST APIs, multithreading, data structures, and SQL.

You will be working on enterprise-grade solutions as part of a global development team tackling complex problems in domains like Banking and Finance.

This is an excellent opportunity to be part of a high-caliber, technically strong team delivering impactful solutions for Fortune 500 companies.

Key Responsibilities:

• Develop and maintain scalable, high-performance applications with a focus on both backend (Java/Spring Boot) and frontend (Angular/React).
• Participate in all phases of the development lifecycle – design, coding, testing, deployment, and maintenance.
• Work closely with cross-functional teams to understand requirements and deliver quality solutions.
• Optimize application performance and ensure responsiveness across platforms.
• Write clean, maintainable, and well-documented code.

Required Skills:

• 5+ years of hands-on experience in Java, Spring Boot.
• Strong proficiency in frontend frameworks like Angular or React.
• Experience with RESTful APIs, microservices, and web technologies (HTML, CSS, JavaScript).
• Sound knowledge of data structures, algorithms, and multithreading.
• Experience in developing and deploying enterprise-grade applications.
• Solid understanding of RDBMS (e.g., Oracle, MySQL, PostgreSQL).
• Exposure to DevOps practices, version control (Git), and CI/CD pipelines.
• Familiarity with Unix/Linux environments.
• Strong problem-solving, communication, and analytical skills.

Good to Have:

• Exposure to cloud platforms like AWS, Azure, or GCP.
• Understanding of containerization using Docker/Kubernetes.
• Knowledge of Agile methodologies.

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.

Job Description 

We are looking for a skilled Java Full Stack Developer with hands-on experience in React.js for front-end development and strong expertise in Java-based back-end technologies. The ideal candidate should have 3+ years of experience in building scalable applications, preferably within the banking or fintech domain, with additional exposure to end-to-end product development from scratch. 

Key Responsibilities 

• Develop, test, and deploy scalable full-stack applications using Java (Spring Boot, Hibernate, etc.) on the back end and React.js on the front end. 
• Collaborate with cross-functional teams (Business Analysts, QA, DevOps, Product Owners) to deliver high-quality solutions. 
• Write clean, maintainable, and efficient code following best practices. 
• Design and implement RESTful APIs and integrate with third-party services. 
• Ensure application performance, security, and responsiveness. 
• Troubleshoot, debug, and optimize application performance. 
• Contribute to product development from scratch, including architecture design, coding standards, and feature delivery. 
• Stay up to date with emerging technologies, especially within the fintech and banking domain. 

Required Skills 

• Strong programming skills in Java, Spring Boot, Hibernate/JPA. 
• Proficiency in React.js, HTML5, CSS3, and JavaScript/TypeScript. 
• Experience in building RESTful APIs and integrating with front-end systems. 
• Solid understanding of relational databases (MySQL, PostgreSQL, Oracle) and query optimization. 
• Knowledge of CI/CD pipelines and cloud platforms (AWS, Azure, or GCP) is a plus. 
• Familiarity with Agile methodologies and version control tools (Git). 
• Good problem-solving and analytical skills. 

Preferred Qualifications 

• Prior experience in Banking or Fintech projects. 
• Proven experience in end-to-end product development from scratch. 
• Knowledge of microservices architecture. 
• Exposure to containerization tools (Docker, Kubernetes). 

Education 

Bachelor's or Master's degree in Computer Science, Information Technology, or related field.

We are building an advanced, AI-driven multi-agent software system designed to revolutionize task automation and code generation. This is a futuristic AI platform capable of:

✅ Real-time self-coding based on tasks  

✅ Autonomous multi-agent collaboration  

✅ AI-powered decision-making  

✅ Cross-platform compatibility (Desktop, Web, Mobile)  

We are hiring a highly skilled **AI Engineer & Full-Stack Developer** based in India, with a strong background in AI/ML, multi-agent architecture, and scalable, production-grade software development.

### Responsibilities:

- Build and maintain a multi-agent AI system (AutoGPT, BabyAGI, MetaGPT concepts)  

- Integrate large language models (GPT-4o, Claude, open-source LLMs)  

- Develop full-stack components (Backend: Python, FastAPI/Flask, Frontend: React/Next.js)  

- Work on real-time task execution pipelines  

- Build cross-platform apps using Electron or Flutter  

- Implement Redis, Vector databases, scalable APIs  

- Guide the architecture of autonomous, self-coding AI systems  

### Must-Have Skills:

- Python (advanced, AI applications)  

- AI/ML experience, including multi-agent orchestration  

- LLM integration knowledge  

- Full-stack development: React or Next.js  

- Redis, Vector Databases (e.g., Pinecone, FAISS)  

- Real-time applications (websockets, event-driven)  

- Cloud deployment (AWS, GCP)  

### Good to Have:

- Experience with code-generation AI models (Codex, GPT-4o coding abilities)  

- Microservices and secure system design  

- Knowledge of AI for workflow automation and productivity tools  

Join us to work on cutting-edge AI technology that builds the future of autonomous software.

Detailed JD (Roles and Responsibilities)

Full stack (Backend focused) Ownership. Programing - Python, react (Good to have - C#, Node),Agile .Flexible to learn new things

•  Developing both frontend and backend of application using technologies like Java,   Angular, JavaScript, HTML5.
•  Designing user interactions on web pages.
•  Designing and Developing back end API's and databases.
•  Meeting both technical and customer’s needs.
•  Seeing through a project from conception to finished product.
•  Take complete ownership of the project and deliver with good quality.
•  Staying abreast of developments in web applications and programming languages.

• Relevant experience of 8+ yrs
• Strong communication, organizational skills. Good in Agile, Scrum, Dev-Ops practices.
• Proficiency with fundamental front end languages such as HTML5, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular, React and Amber.
• Proficiency in Java, Springboot, Microservices
• Familiarity with database technology such as PostgreSQL, MySQL, Oracle and MongoDB.
• Good in writing quality code and Unit Tests. Good knowledge of DevOps practices.
• Excellent verbal communication skills.
• Good problem solving skills

We’re seeking engineers who are ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries.

Here, you will take complete, end-to-end ownership of projects across the entire stack. Our ideal candidate should have a firm understanding of web frameworks, APIs, databases, and multiple back end languages. You’ll be joining a small team working at the forefront of new technology, solving the challenges that impact both the front end and back end architecture, and ultimately, delivering amazing global user experiences.

Objectives for this Role
● Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
● Develop new features and infrastructure development in support of rapidly emerging business and project requirements
● Assume leadership of new projects from conceptualization to deployment
● Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design
● Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities Daily and Monthly Responsibilities
● Participate in all aspects of agile software development including design, implementation, and deployment
● Architect and provide guidance on building end-to-end systems optimized for speed and scale
● Work primarily in Golang, Java, JavaScript and React
● Engage with inspiring designers and front end engineers, and collaborate with leading back end engineers as we create reliable APIs
● Collaborate across time zones via Slack, GitHub comments, documents, and frequent video conferences


Required Skills and Qualifications
● Bachelor’s degree in computer science, information technology, or engineering
● 1+ years of experience building large-scale software applications
● Understanding of building web applications
● Understanding of designing and integrating RESTful APIs
● Knowledge of Golang/Java, React, and JavaScript
● Excellent debugging and optimization skills
● Interest in learning new tools, languages, workflows, and philosophies to grow