Java+React Developer

Job Summary:

We are looking for a motivated and detail-oriented Web Developer to join our team. The ideal candidate should have a strong understanding of web technologies and a passion for building responsive, user-friendly web applications. Fresh graduates and early-career developers with internship or project experience are encouraged to apply.

Key Responsibilities:

1. Develop and maintain responsive websites and web applications using modern development practices and AI-assisted coding tools

2. Write clean, efficient, maintainable, and reusable code with the help of tools such as OpenAI Codex, Claude, and AI-powered development workflows

3. Collaborate with designers, backend developers, and product teams to rapidly prototype and ship features

4. Use AI tools effectively for code generation, refactoring, documentation, debugging, and test creation while validating output quality

5. Troubleshoot, debug, and optimize application performance using both manual techniques and AI-assisted analysis

Required Skills:

1. Proficiency in frontend and backend web technologies including HTML5, CSS3, JavaScript, React, Next.js, Node.js, API integration, SQL Server, and GitHub version control

2. Experience using AI-assisted development tools such as Google Antigravity, OpenAI Codex, and Claude for coding, debugging, testing, and optimizing applications

3. Strong problem-solving, communication, and attention-to-detail skills with the ability to collaborate effectively in a fast-paced development environment

Preferred Qualifications:

1. Bachelor’s degree in Computer Science, Information Technology, or a related field

2. 0–3 years of experience through internships, freelance work, academic projects, or professional web development roles

What We Offer:

1. Learning and growth opportunities

2. Mentorship from experienced developers

3. Collaborative and innovative work environment

4. Competitive salary and benefits

Location: Chennai/Remote

Apply here: https://connectsblue.com/jobs/777/web-developer-at-bluepms-software-solutions-pvt-ltd

Securis360 is looking for experienced and passionate developers to join our growing tech team.

If you love building scalable web applications, solving real-world problems, and working with modern technologies, we’d love to connect with you.

Roles & Responsibilities

• Develop and maintain scalable web applications using the MERN stack
• Build responsive front-end interfaces using React.js
• Develop REST APIs and backend services using Node.js and Express.js
• Work with MongoDB databases and optimize queries
• Collaborate with UI/UX designers and backend teams
• Troubleshoot, debug, and improve application performance
• Write clean, reusable, and efficient code
• Participate in code reviews and project planning
• Develop robust backend applications using Node.js
• Create scalable APIs and microservices
• Integrate databases, third-party APIs, and cloud services
• Optimize application performance and server-side logic
• Ensure security and data protection standards
• Work closely with frontend developers and project managers
• Maintain and improve existing applications 
• 
  

Required Skills

• Strong knowledge of MongoDB, Express.js, React.js, and Node.js
• Good understanding of JavaScript, ES6+, HTML5, and CSS3
• Experience with REST APIs and third-party integrations
• Knowledge of Git and version control systems
• Understanding of authentication and security best practices
• Familiarity with cloud platforms and deployment processes is a plus
• Good communication and problem-solving skills
• Strong experience with Node.js and Express.js
• Good understanding of API development and backend architecture
• Experience with MongoDB/MySQL/PostgreSQL
• Knowledge of JWT authentication and API security
• Familiarity with Git, Docker, and deployment workflows
• Experience with AWS or cloud hosting platforms is an advantage
• Strong debugging and analytical skills

Why Join Securis360?

• Work on exciting cybersecurity and technology projects
• Friendly and professional work environment
• Career growth opportunities
• Competitive salary package
• Opportunity to work with modern technologies

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.

Essential Responsibilities:

• Demonstrate an understanding of the Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
• Work closely with your peers and keep engaging in a fast pace technical design and development team
• Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
• Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
• Maintain code quality through best practices, unit testing and code quality automation
• Demonstrate the ability to make informed technology choices after due diligence and impact assessment
• Help in designing interfaces and information exchange between modules
• Articulate the need for scalability and understand the importance of improving quality through testing.
• Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
• Drive design reviews, define interfaces between code modules, and apply existing technology to designs
• Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Qualifications/Requirements:

• Minimum Bachelor's Degree in Computer Science, Computer Engineering or in "STEM" Majors (Science, Technology, Engineering, and Math)
• 6+ years of experience in Full Stack Software Development within the enterprise or software services domain

Desired Skills:

• Expertise in full stack software development and awareness of 12 Factor software patterns
• Experience and knowledge of patterns and anti-patterns of microservices-based architecture design
• Experience developing and deploying applications on cloud (Azure, AWS, or GCP), on-premise, and hybrid-based architectures
• Mid-Level to Expert within one or more of the following UI development JavaScript: Client-Side HTML5 jQuery, jQuery UI, Knockout.js,
• Polymer, AngularJS, ReactJS, Bootstrap
• Mid-Level to Expert within one or more of the back-end development languages: .NET, Java, Python, or Scala
• Very solid API skills (e.g. Express.js/Node.js, GraphQL/Relay, Flask, Jersey, Java Spring REST or WebApi2)
• Skilled in use of Java, Kafka, and Spark streaming technologies
• Experience with containerization technologies such as Rancher, Kubernetes, Docker and Helm
• Hands-on experience in data storage environments of many types (RDMS, NoSQL, HDFS, etc.)
• Knowledge of GitLab, Jenkins and Artifactory
• Solid foundation in data structures, algorithms, and OO Design with rock-solid programming skills
• Security: Identity Management and Access, application security and static code analysis
• Proven success working in and promoting a rapidly changing, collaborative, and iterative product development environment
• Strong interpersonal skills, analytical skills, combined with intellectual curiosity, and a desire and ability to "get things done" are essential
• Agile Scrum development experience
• Added advantage to those having experience in multi-tenant SaaS Platform and Developers' Portal development

• Hands-on expertise in managing technical teams and work closely with business stakeholders
• Should be familiar with card testing and POS ecosystem.
• Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
• Payment’s domain experience.
• Extensive experience on Base24 & SWITCH part for payment format.
• Exposure on ISO8583 Messaging system.
• API understanding and creation.
• Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
• Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
• Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
• Must have strong technical skills in Android APK and iOS development Concept and Web services.
• Supportability, monitoring, ops in general.
• Accurate cost models to deploy and operate
• Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
• Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
• Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
• Extensive experience with payment devices (pin pads, printers, registers, scanners).
• Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular. 
• Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
• Experience in messaging tools like Kafka/AWS Kinesis etc...
• Design expertise for performance, scalability, fault tolerance and high availability

• Experience with POS systems and Payments domain.
• Demonstrated experience for systems architecture, design, and integration for POS systems
• Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
• Experience with one or more RDBMS databases like MySql, PostGreSQL
• Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
• Caching technologies like: Redis, Elasticache,
• Cloud Providers like: AWS/ Google Cloud / Azure
• CI / CD : Jenkins, Docker, Kubernete
  

Job Title : MERN Stack Developer with Blockchain Expertise

Job Description :

We are looking for a dynamic and skilled MERN Stack Developer with a specialization in Blockchain to join our team. As a Blockchain MERN Stack Developer, you will be instrumental in crafting and implementing blockchain solutions, utilizing the MERN stack for both front-end and back-end development. Your role will contribute to the creation of secure, scalable, and decentralized applications.

Responsibilities :

- Develop and design applications based on blockchain technology using the MERN stack.

- Implement and integrate smart contracts and decentralized solutions into the development process.

- Collaborate with cross-functional teams to define project requirements and specifications.

- Create and maintain high-quality, reusable, and reliable code.

- Ensure the application of secure coding practices to uphold the integrity of blockchain solutions.

- Utilize front-end technologies, particularly React, to build engaging and user-friendly interfaces.

- Work closely with UX/UI designers to implement visually appealing and intuitive interfaces.

- Participate in code reviews, offering constructive feedback to team members.

- Identify and troubleshoot issues related to blockchain and MERN stack development.

- Stay informed about the latest trends, tools, and emerging technologies in blockchain.

Requirements :

- Proven experience as a Full Stack Developer with a specific focus on blockchain technology.

- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).

- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.

- Solid understanding of smart contract development and implementation.

- Familiarity with decentralized application (dApp) development.

- Knowledge of cryptography and principles of blockchain security.

- Familiarity with version control systems, such as Git.

- Strong problem-solving and analytical skills.

- Excellent collaboration and communication skills.

- Bachelor's degree in Computer Science or a related field (or equivalent work experience).

If you are passionate about both blockchain technology and MERN stack development and thrive in an innovative environment, we encourage you to apply or share your CV and contribute to our cutting-edge projects.

• Designing and developing user interfaces using angular.Js best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS projects.
• Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.

>> Qualification

• Bachelor’s degree in computer science, computer engineering or similar.
• Previous work experience as an angular JS developer.
• Proficient in CSS, HTML, and writing cross-browser compatible code.
• Experience using JavaScript building tools like Gulp or Grunt.
• Knowledge of JavaScript MV-VM/MVC frameworks including Angular JS.
• Excellent project management skills.
• Proven experience implementing front-end and back-end JavaScript applications.
• Excellent communication skills.
• Critical thinker and good problem-solver.