Full Stack Developer

Job Role: Sr. Full Stack Developer

Experience- Min 6 Years

Location-Bangalore

Company Profile- https://www.wissen.com/

Domain 

Fintech, Banking, Capital Markets, Investment Banking 

Job Summary 

We are looking for a highly experienced Senior Full Stack Engineer with strong hands-on expertise in Java, Spring Boot, AWS,React, and DynamoDB. The ideal candidate will have a strong background in building secure, scalable, high-performance applications for financial services, with experience in regulated environments such as banking, capital markets, or investment banking. 

Key Responsibilities 

• Design, develop, and maintain scalable backend services using Java and Spring Boot. 
• Build responsive and reusable user interfaces using React. 
• Design and optimize data models and access patterns in DynamoDB. 
• Develop RESTful APIs and integrate them with front-end and downstream systems. 
• Work on microservices-based architecture and cloud-native application design. 
• Collaborate with product managers, business analysts, architects, QA, and DevOps teams to deliver business-critical solutions. 
• Ensure application security, performance, reliability, and maintainability. 
• Participate in code reviews, architecture reviews, and design discussions. 
• Troubleshoot production issues and support enhancements in live environments. 
• Follow SDLC, Agile, and DevOps best practices in a fast-paced financial services environment.
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Required Skills 

• 8+ years of experience in software development. 
• Hands-on experience working on React, AWS cloud environment and DynamoDB.  
• Proficiency in Java, J2EE, Spring, Hibernate, REST API, Microservices.  
• Experience in developing applications using J2EE Design Patterns and AWS services. 
• Strong problem-solving skills and attention to detail. 
• Excellent communication and teamwork skills. 
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• Qualifications 
• Bachelor’s or Master’s degree in Computer Science, IT, or a related discipline. 
• Proven experience delivering enterprise-grade applications in regulated financial environments. 

Job Title: AI Developer/Engineer

Location: Remote

Employment Type: Full-time

About the Organization 

We are a cutting-edge AI-powered startup that is revolutionizing data management and content generation. Our platform harnesses the power of generative AI and natural language processing to turn unstructured data into actionable insights, providing businesses with real-time, intelligent content and driving operational efficiency. As we scale, we are looking for an experienced lead architect to help design and build our next-generation AI-driven solutions.

About the Role

We are seeking an AI Developer to design, fine-tune, and deploy advanced Large Language Models (LLMs) and AI agents across healthcare and SMB workflows. You will work with cutting-edge technologies—OpenAI, Claude, LLaMA, Gemini, Grok—building robust pipelines and scalable solutions that directly impact real-world hospital use cases such as risk calculators, clinical protocol optimization, and intelligent decision support.

Key Responsibilities

• Build, fine-tune, and customize LLMs and AI agents for production-grade workflows
• Leverage Node.js for backend development and integration with various cloud services.
• Use AI tools and AI prompts to develop automated processes that enhance data management and client offerings
• Drive the evolution of deployment methodologies, ensuring that AI systems are continuously optimized, tested, and delivered in production-ready environments.
•  Stay up-to-date with emerging AI technologies, cloud platforms, and development methodologies to continually evolve the platform’s capabilities.
• Integrate and manage vector databases such as FAISS and Pinecone.
• Ensure scalability, performance, and compliance in all deployed AI systems.

Required Qualifications

• 2–3 years of hands-on experience in AI/ML development or full-stack AI integration.
• ​​Proven expertise in building Generative AI models and AI-powered applications, especially in a cloud environment.
• Strong experience with multi-cloud infrastructure and platforms,
• Proficiency with Node.js and modern backend frameworks for developing scalable solutions.
• In-depth understanding of AI prompts, natural language processing, and agent-based systems for enhancing decision-making processes.
• Familiarity with AI tools for model training, data processing, and real-time inference tasks.
• Experience working with hybrid cloud solutions, including private and public cloud integration for AI workloads.
• Strong problem-solving skills and a passion for innovation in AI and cloud technologies
• Agile delivery mythology knowledge.
• CI/CD pipeline deployment with JIRA and GitHub knowledge for code deployment
• Strong experience with LLMs, prompt engineering, and fine-tuning.
• Knowledge of vector databases (FAISS, Pinecone, Milvus, or similar).

Nice to Have

• Experience in healthcare AI, digital health, or clinical applications.
• Exposure to multi-agent AI frameworks.

What We Offer

• Flexible working hours. 
• Collaborative, innovation-driven work culture.
• Growth opportunities in a rapidly evolving AI-first environment.

About VisibilityStack

VisibilityStack is a demand capture platform that helps businesses capture the demand for their solution, wherever their audience is searching, whether it's Google Search or AI-Search platforms or LLMs. The platform is powered by AI agents that identify what your audience is asking to look for a solution like yours, engineer content that answers those questions, and structure it so Google and AI systems can easily understand and recommend it in their responses. We also strengthen your online credibility through strategic backlinks and a strong social presence.

Everything is guided by real-time data and analytics. We system continues to analyze what's working, remove what does not, and keep your content working around the clock. The result is simple: the right people can find you, trust you, and reach out when they need what you offer.

The Role

We need a Senior Engineer who ships production code that scales. You'll be the technical anchor—building critical infrastructure, solving complex problems, and mentoring junior developers through code reviews and pair programming.

You'll shape our future in four key ways: writing the code that becomes our foundation, We’re looking for a Next.js Developer (Full-Stack) who can build and ship modern web products end-to-end. You’ll work across frontend, backend, and cloud (AWS) and collaborate closely with product and design to deliver fast, reliable experiences. A strong plus: you have a knack for AI-enabled products—you understand how to integrate LLM features thoughtfully, not just “add a chatbot”. This is about technical leadership through excellence.

What's in it for you:

1. Own mission-critical systems end-to-end — Your code directly generates customer revenue
2. Skip the politics, ship products — No layers of approval, no enterprise bureaucracy
3. Shape product direction — Your technical insights influence product strategy, not just implementation
4. Learn cutting-edge AI in production — Work with LLMs, vector databases, and agent orchestration at scale
5. Shape technical decisions and processes — Your input matters on how we build, not just what
6. Accelerated growth path — As we scale, you choose: become our technical lead or remain a deeply influential IC
7. Direct founder access — Collaborate on product vision, not just execute specs

Location: Janakpuri, Delhi (Hybrid - Maker's Schedule)

Our Work Philosophy:

We follow the Maker's Schedule, not the Manager's Schedule. This means uninterrupted blocks of deep work when you're building, and high-bandwidth collaboration when we're solving problems together.

In Practice:

1. In-office days: Whiteboard architecture sessions, rapid product iterations, deep dives into product strategy, complex debugging that needs three minds on one problem
2. Deep work days: Uninterrupted coding from wherever you work best—home, office, or that coffee shop with perfect noise levels
3. Balance by design: We optimize for both intense collaboration and deep focus

The best technical breakthroughs happen in two modes: intense in-person collaboration where ideas bounce rapidly, and deep solo work where complex problems get solved. We protect both.

Responsibilities

• Build and maintain production-grade web applications using Next.js (App Router preferred), React, and TypeScript.
• Develop full-stack features including APIs, server actions, background jobs, and integrations.
• Architect and implement scalable systems on AWS (deployment, monitoring, security, performance).
• Work with databases (SQL/NoSQL), caching layers, and queues where appropriate.
• Collaborate with product/design to turn requirements into clean UX and shippable increments.
• Own quality through testing, code reviews, CI/CD, observability, and performance tuning.
• Contribute to technical decisions, architecture, and best practices across the team.

What You’ll Bring (Required)

• Strong experience with Next.js + React + TypeScript in real production apps.
• Solid full-stack fundamentals:API design, authentication/authorization
• data modeling and query optimization
• debugging distributed systems issues
• Strong working knowledge of AWS, such as: Lambda, ECS/Fargate, EC2, S3, CloudFront
• RDS/DynamoDB, API Gateway
• IAM, secrets management, VPC basics
• CI/CD and infrastructure practices (Terraform/CDK is a plus)
• Good engineering habits: clean, maintainable code
• testing mindset
• performance and security awareness

AI Product “Knack” (Preferred / Nice to Have)

• Experience integrating AI features using APIs (e.g., OpenAI, Anthropic, Bedrock) including:prompt/version management
• structured outputs / tool calling
• retrieval (RAG) patterns and embeddings (basic familiarity is fine)
• Ability to design AI features with UX and safety in mind:latency expectations, fallbacks, streaming responses
• evaluation/quality loops, guardrails, and logging
• Curiosity about how AI changes workflows and product capabilities.

Tech Stack (Example)

• Next.js, React, TypeScript, Tailwind (or similar)
• Node.js, Postgres/MySQL (and/or DynamoDB)
• AWS (Lambda/ECS/S3/CloudFront/RDS), CI/CD (GitHub Actions, etc.)
• Observability: CloudWatch, Sentry, OpenTelemetry (any equivalent)

What Success Looks Like

• You can take a feature from idea → implementation → deployment with minimal oversight.
• You ship reliable releases and improve system performance and DX over time.
• You help the team build AI-powered features that users actually trust and use.

Full Stack Engineer (Frontend Strong, Backend Proficient)

5-10 Years Experience

Contract: 6months+extendable

Location: Remote

Technical Requirements Frontend Expertise (Strong)

*Need at least 4 Yrs in React web developement, Node & AI.*

● Deep proficiency in React, Next.js, TypeScript

● Experience with state management (Redux, Context API)

● Frontend testing expertise (Jest, Cypress)

● Proven track record of achieving high Lighthouse performance scores Backend Proficiency

● Solid experience with Node.js, NestJS (preferred), or ExpressJS

● Database management (SQL, NoSQL)

● Cloud technologies experience (AWS, Azure)

● Understanding of OpenAI and AI integration capabilities (bonus) Full Stack Integration

● Excellent ability to manage and troubleshoot integration issues between frontend and backend systems

● Experience designing cohesive systems with proper separation of concerns

• Work with a team to provide end to end solutions including coding, unit testing and defect fixes.
• Work to build scalable solutions and work with quality assurance and control teams to analyze and fix issues 
• Develop and maintain APIs and Services in Node.js/Python 
• Develop and maintain web-based UI’s using front-end frameworks 
• Participate in code reviews, unit testing and integration testing 
• Participate in the full software development lifecycle, from concept and design to implementation and support 
• Ensure application performance, scalability, and security through best practices in coding, testing and deployment 
• Collaborate with DevOps team for troubleshooting deployment issues 

Qualification 

● 1-5 years of experience as a Software Engineer or similar, focusing on software development and system integration 

● Proficiency in Node.js, Typescript, React, Express framework 

● In-depth knowledge of databases such as MongoDB 

● Proficient in HTML5, CSS3, and responsive UI design 

● Proficiency in any Python development framework is a plus 

● Strong direct experience in functional and object oriented programming using Javascript 

● Experience with cloud platforms (Azure preferred) 

● Microservices architecture and containerization 

● Expertise in performance monitoring, tuning, and optimization 

● Understanding of DevOps practices for automated deployments 

● Understanding of software design patterns and best practices 

● Practical experience working in Agile developments (scrum) 

● Excellent critical thinking skills and the ability to mentor junior team members 

● Effectively communicate and collaborate with cross-functional teams 

● Strong capability to work independently and deliver results within tight deadlines 

● Strong problem-solving abilities and attention to detail

Skills: Java, spring, hibernate, AWS(mandatory), microservices architecture, redis(good to have)

Team Size: Current team size of tech team is 65+

Interview Process: 4 rounds( 1st round - Problem Solving/Data Structures, 2nd Round- Coding, 3rd Round- Technical Discussion and Final round with the HR).

Target Companies:- B2C fintech companies, app based product companies, edtech companies

Location: Bangalore(Currently WFH but later on will be following a hybrid model)

Roles & Responsibilities

Job Description: (Mandate Skills)

· Exceptional architecture and design skills using Object Oriented Programming concepts and Design patterns

· Strong problem solving and analytical skills

· Hands on Java Engineer, with experience building consumer facing or enterprise applications using Java stack

· Ability to manage small teams (4-6 members) using agile development process

Do You Know? (Skills good to have)

· Exposure to building service oriented distributed systems

· In building systems that process big data in a distributed environment, either in real time streaming or offline batching.

· In messaging systems like Kafka, RabbitMQ, kinesis, etc.

· In real time computation tools like Storm / Spark or Hadoop based tools.

· In Data warehousing technologies like Redshift, BigQuery, etc.

What Can We Offer You:

We offer a great working environment - Very collaborative. You will get plenty of learning opportunities and challenging problems to work on. You’ll go to sleep everyday knowing that you’ve made a difference in people’s lives. Your work will be reaching out to millions of users.