11+ Neo4J Jobs in Mumbai | Neo4J Job openings in Mumbai

EXPERTISE AND QUALIFICATIONS

• 14+ years of experience in Software Engineering with at least 6+ years as a Lead Enterprise Architect preferably in a software product company
• High technical credibility - ability to lead technical brainstorming, take decisions and push for the best solution to a problem
• Experience in architecting Microservices based E2E Enterprise Applications
• Experience in UI technologies such as Angular, Node.js or Fullstack technology is desirable
• Experience with NoSQL technologies (MongoDB, Neo4j etc.)
• Elastic Search, Kibana, ELK, Logstash.
• Good understanding of Kafka, Redis, ActiveMQ, RabbitMQ, Solr etc.
• Exposure in SaaS cloud-based platform.
• Experience on Docker, Kubernetes etc.
• Experience in planning, designing, developing and delivering Enterprise Software using Agile Methodology
• Key Programming Skills: Java, J2EE with cutting edge technologies
• Hands-on technical leadership with proven ability to recruit and mentor high performance talents including Architects, Technical Leads, Developers
• Excellent team building, mentoring and coaching skills are a must-have
• A proven track record of consistently setting and achieving high standards

Five Reasons Why You Should Join Zycus

1. Cloud Product Company: We are a Cloud SaaS Company, and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.

2. A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.

3. Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization

4. Get a Global Exposure: You get to work and deal with our global customers.

5. Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.

About Us

Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and empowers procurement and AP officers to focus on strategic projects; offers data-driven actionable insights for quicker and smarter decisions, and its conversational AI offers a B2C type user-experience to the end-users.

Zycus helps enterprises drive real savings, reduce risks, and boost compliance, and its seamless, intuitive, and easy-

to-use user interface ensures high adoption and value across the organization.

Start your #CognitiveProcurement journey with us, as you are #MeantforMore

Role Overview

We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.

Key Responsibilities

• Full Stack Development: Build and maintain end-to-end features using the PERN stack

(PostgreSQL, Express.js, React, Node.js).

• Database Optimization: Design complex relational models and optimize SQL queries to

handle high-volume financial data and audit trails.

• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data

encryption) and ensure the platform adheres to fintech standards like PCI-DSS.

• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,

payment processors (Stripe/Plaid), and KYC providers.

Technical Requirements

• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)

and modern CSS (Tailwind/Styled Components).

• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous

programming and secure API design.

• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and

migrations).

Additional skills

• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).

• Familiarity with SOC2 or ISO 27001 compliance frameworks.

• Cloud (AWS): Proven experience with:

• RDS/Aurora for managed databases.
• IAM for secure access management.
• AWS Lambda & API Gateway for serverless architecture.
• CloudWatch for monitoring and alerting.

• Tools: Git, Docker, and experience with CI/CD workflows.

About US

RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.

We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.

Why Work With Us?

1. Build the Foundation, Not Just Features

You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.

2. Solve Problems That Matter

Fintech is one of the few industries where code has a direct, measurable impact on people's lives.

Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.

Role: MERN Stack Developer

Location: Andheri East, Mumbai

Experience: 2+ years

Role Overview

We're hiring a MERN Stack Developer to build and maintain scalable web applications.

Key Responsibilities

• Develop full-stack applications using MongoDB, Express.js, React.js, and Node.js
• Build RESTful APIs and integrate third-party services
• Write clean, efficient code and participate in code reviews
• Optimize applications for performance and scalability

Required Skills

• 2+ years experience with MERN stack
• Strong proficiency in JavaScript/ES6+, React.js, Node.js, Express.js, and MongoDB
• Experience with Git, RESTful APIs, and authentication mechanisms
• Knowledge of HTML5, CSS3, and responsive design

Good to Have

• TypeScript, Redux, Next.js
• Cloud platforms (AWS/Azure)
• Testing frameworks (Jest, Mocha)

JOB DESCRIPTION:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Key Responsibilities:

-    Develop, test, and maintain dynamic web applications using React.js and related front-end technologies.

-    Build responsive and interactive user interfaces with reusable components.

-    Collaborate closely with UI/UX designers, backend developers, and project managers to deliver robust and scalable solutions.

-    Integrate RESTful APIs and manage data flow effectively using Redux or other state management libraries.

-    Optimize web applications for maximum performance, scalability, and cross-browser compatibility.

-    Debug and troubleshoot issues to ensure high-quality deliverables.

-    Write clean, maintainable, and well-documented code following best practices.

-    Use Git for version control and participate in code reviews.

Skills Required:

-    Minimum 2 years of professional experience in front-end web development.

-    Strong proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3.

-    Experience with Redux / Context API or other state management tools.

-    Good understanding of component lifecycle, hooks, and functional programming concepts.

-    Familiarity with REST APIs, JSON, and asynchronous data handling.

-    Knowledge of responsive design, cross-browser compatibility, and performance optimization.

-    Familiarity with version control systems (Git).

Key Responsibilities :

- Design, develop, and maintain applications using Java and Kotlin

- Write clean, scalable, and efficient code

- Build and consume RESTful APIs and microservices

- Participate in all phases of the software development lifecycle

- Work with databases like MySQL, PostgreSQL, or MongoDB

- Collaborate with cross-functional teams including Product, QA, and DevOps

- Conduct unit testing and assist in code reviews

- Troubleshoot and debug applications

- Ensure application performance, security, and scalability

Required Skills :

- Strong programming experience in Java (Core/Advanced)

- Experience in Kotlin

- Solid understanding of OOP concepts, design patterns, and data structures

- Experience with frameworks such as Spring Boot, Ktor, or Android SDK

- Proficient in building and consuming RESTful APIs

- Familiarity with Git, JIRA, and CI/CD tools

- Basic knowledge of unit testing frameworks like JUnit or Mockito

Role Description

We are seeking a full-time AI Developer specializing in Generative AI and Large Language Models (LLMs) to join UpSolve Solutions in Mumbai. This client-facing, on-site role involves designing, developing, and deploying AI models, specifically focusing on GenAI and LLMs. The AI Developer will leverage expertise in machine learning, natural language processing, and data science to build cutting-edge AI solutions that drive business innovation and solve complex challenges.

Qualifications

• Proficiency in Python
• Strong projects in Flask + JS
• Excellent problem-solving, critical thinking, and analytical skills
• Strong communication and presentation skills, with the ability to convey technical concepts to non-technical stakeholders
• Bachelor's or Master’s degree in a relevant field (e.g., Computer Science, Artificial Intelligence, Data Science)

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.

Job Title: Java Fullstack Developer (with Angular Experience)

Location: Mumbai, India

Experience: 8 to 12 Years

Company: Wissen Technology

Job Description:

Wissen Technology is seeking a highly skilled and experienced Java Fullstack Developer with a strong background in Angular to join our dynamic team in Mumbai. The ideal candidate will have a passion for technology, a strong analytical mindset, and the ability to work collaboratively in a fast-paced environment.

Key Responsibilities:

- Design, develop, and maintain robust and scalable web applications using Java and Angular.

- Collaborate with cross-functional teams to define, design, and ship new features.

- Write clean, maintainable, and efficient code.

- Ensure the performance, quality, and responsiveness of applications.

- Identify and correct bottlenecks and fix bugs.

- Help maintain code quality, organization, and automation.

- Conduct code reviews and provide constructive feedback to team members.

- Stay up-to-date with the latest industry trends and technologies.

Requirements:

- Bachelor’s degree/Master’s Degree in Computer Science, Information Technology, or a related field.

- 8 to 12 years of hands-on experience in fullstack development with Java and Angular.

- Proficiency in Java, Spring Boot, and RESTful APIs.

- Strong experience with Angular and front-end development (HTML, CSS, JavaScript/TypeScript).

- Knowledge of databases such as SQL Server, PostgreSQL, Oracle, or similar.

- Experience with version control systems (Git, SVN, etc.).

- Familiarity with Agile/Scrum methodologies.

- Strong problem-solving skills and a keen attention to detail.

- Excellent communication and teamwork skills.

- Ability to work independently and manage multiple tasks effectively.

Why Join Wissen Technology:

- Competitive salary and benefits package.

- Opportunity to work with cutting-edge technologies.

- Collaborative and inclusive work environment.

- Continuous learning and professional development opportunities.

- Chance to work on exciting and challenging projects.

Join Wissen Technology and be a part of a team where innovation meets excellence! Share this opportunity with colleagues and friends who might be interested.

Website: [www.wissen.com](http://www.wissen.com)

LinkedIn: [https://lnkd.in/gnK-vXjF](https://lnkd.in/gnK-vXjF)

- You will play a key strategic and consultative role in developing, delivering and maintaining digital ad tech products

- Work as part of the engineering and product teams to develop complex platforms and systems that are scalable to millions of users - Result-oriented full-stack development for world-class products with high degree of performance and quality

- Developers in our teams are also adept at formulating product strategies, research best practices, bring in expertise and mentor younger talent and drive the organization’s goals higher with a self-starter attitude

- Strong sense of commitment, problem-solving, professional ethics and willingness to learn new things are a standard requirement for all our openings