Full Stack Developer

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

We are solving complex technical problems in the financial industry and need talentedsoftware engineers to join our mission and be a part of a global software development team. As a Java Full Stack Developer, you will be responsible for designing, developing, and maintaining enterprise applications using Java and Angular. You will collaborate with cross-functional teams to define, design, and ship newfeatures, and you will work closely with Architects to ensure the technical feasibilityof designs and implement them accordingly

We are currently seeking a full stack software engineer that can architect, design, develop and test applications using the following technologies: React JS, Spring Boot and REST API

Responsibilities:

·      Architect and design scalable, resilient, and cost-effective solutions

·      Lead the engineering team on all design and development work.

·      Hands on with implementing solutions and functions which collaborates with AI/ML products.

·     Experience with system diagrams, technical specifications, implementation and support plans.

·      Can work in close association with team and communicate efficiently with senior management on various Tech development aspects.

Qualifications:

·      Bachelor's degree/Masters/MS in Computer Science, Information Technology or a related field..

·      8+ years of experience architecting and designing software solutions.

·      5+ years of experience using UI based technologies such as JavaScript/Typescript, React and/or Next JS

·      5+ years of development experience with Object Orientated Programming (e.g., Java, C++)

·      5+ years of experience with (CI/CD) and Agile methodology

·      5+ years of experience building large scale distributed applications.

·      Hands on experience developing custom file viewers.

·      Experience with web development frameworks, databases, and version control systems

·      Hands on experience with integrating the front end with the back end using REST API’s

Senior Software Engineer

Location: On-site, Panaji, Goa

About Joyful

Joyful is a leading AI-powered stakeholder communication management platform for voice of stakeholder analysis and contact center solutions. Our mission is to use AI to make all interactions between a company and its stakeholders joyful by removing friction. Joyful is a part of Germinait Solutions Pvt. Ltd.

Our  Joyful modules, Engage and Listen, help businesses understand and manage stakeholder interactions across digital channels. We enable companies to provide exceptional customer experiences while maximizing the productivity and efficiency of their support teams, all through one seamless platform.

At Joyful, we're committed to fostering meaningful interactions between stakeholders and brands by providing actionable insights, personalized replies, and a joyful experience for customers, users, and employees alike.

The Opportunity

We’re seeking a Senior Software Engineer who thrives on solving complex problems, architecting scalable systems, and bringing innovative AI-powered features to life. You will work on a modern, cloud-native stack—leveraging serverless deployment, microservices, and AI/ML integrations to build resilient, high-performance solutions.

In addition to delivering high-quality code, you’ll contribute to Joyful’s Vibe Coding culture—our approach to writing code that’s clean, collaborative, and a joy to work with.

What You'll Do

• Backend & Cloud Development
• Design, develop, and maintain scalable microservices for Joyful’s Engage and Listen platforms
• Build serverless applications and functions (AWS Lambda, Azure Functions, or GCP Cloud Functions) for rapid, cost-effective deployments
• Implement robust APIs and data pipelines optimized for performance and reliability
• Ensure security, compliance, and data privacy in all backend services
• AI-Powered Solutions
• Integrate AI/ML models into production workflows to enhance automation, personalization, and analytics
• Collaborate with data scientists to operationalize AI models for real-time and batch processing
• Build features that leverage NLP, sentiment analysis, and predictive analytics for stakeholder communication insights
• Vibe Coding Culture
• Write clean, well-structured, and maintainable code that engineers enjoy working with
• Participate in pair programming, peer reviews, and collaborative debugging sessions
• Share best practices and mentor junior engineers to raise the technical bar across the team
• Help maintain a development atmosphere that’s positive, creative, and focused on continuous improvement
• DevOps & Deployment
• Work closely with DevOps teams to optimize serverless deployments, CI/CD pipelines, and automated testing
• Ensure observability, monitoring, and alerting systems are in place for all deployed services
• Contribute to cost optimization strategies for serverless architectures
• Collaboration & Problem-Solving
• Partner with product managers, architects, and designers to translate business requirements into technical solutions
• Participate in sprint planning, backlog refinement, and retrospectives
• Troubleshoot production issues and drive root cause analysis for lasting fixes

What You'll Need

• 3+ years of experience in software development, preferably in SaaS or AI-driven products
• Strong expertise in backend development using Java (Spring Boot), Node.js, or Python
• Experience with serverless architectures (AWS Lambda, Azure Functions, or GCP equivalents)
• Solid understanding of cloud services (AWS, Azure, or GCP) and microservices design patterns
• Hands-on experience integrating AI/ML models into applications
• Familiarity with NLP, speech-to-text, or sentiment analysis APIs is a plus
• Knowledge of relational and NoSQL databases (PostgreSQL, DynamoDB, MongoDB, etc.)
• Experience with CI/CD pipelines, automated testing, and monitoring tools
• Strong problem-solving skills and ability to work in fast-paced, collaborative environments
• Passion for clean, maintainable code and contributing to a healthy team culture

Why Join Joyful?

• Work on AI-powered solutions that transform how businesses connect with their stakeholders
• Be part of a team that embraces serverless-first development and modern cloud-native architectures
• Thrive in a Vibe Coding culture where great engineering meets great energy
• Collaborate with talented peers in a supportive, innovation-driven environment
• Enjoy professional growth opportunities in a fast-scaling company
• Work from our beautiful Goa office while building solutions used worldwide

At Joyful, we believe that combining AI innovation, scalable cloud design, and a joyful coding culture leads to exceptional products. If you’re passionate about building intelligent, high-performance systems while keeping the engineering vibe positive, we’d love to hear from you!

Note: Apply only if you have worked minimum of 2 years  in your current organisation 

Basic Qualifications

• Bachelor’s degree in Engineering with specialization in Computer science or related field
• 5+ years of experience as a software engineer in a product development setting
• Love of technology and experience with one or more programming languages from Java, Python, or Go
• Experience in full-stack development including designing APIs and integration patterns, implementing security, implementing frameworks for Unit and End-to-End testing
• Experience with micro-services architecture
• Experience in one or more frameworks like Spring, GRPC, Flask, etc.
• Extensive experience in a test-driven development environment
• Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
• Ability to grasp new technologies and use them effectively to create industrial-strength software.
  
  

Preferred Qualifications

• Good communication skills. You can communicate well in the English language with product managers, your team members, and external stakeholders, to understand their needs and convey yours, in a clear, precise manner - verbally, or in writing. 
• Strong collaboration skills. You have demonstrated the ability to work with both - senior & junior technical professionals and get work done. You quickly earn the trust of the people you work with. People enjoy and have fun working with you.
• Deadline oriented. You understand that deadlines are meant to be met. Challenges will surface, and obstacles and roadblocks will cause delays, but you plan for them in advance and still ship your features on time to meet your commitments.
• Bias for action. Your default setting is to take action, and not wait for things to happen. You love to learn about new technologies and advancements in the software industry.

What You will do

● Create beautiful software experiences for our customers using design thinking, lean and agile methodology.

● Design and develop software products from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 8+ years.

● Engineering Degree in Computer Science OR Equivalent.

● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.

● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc.

● Passion for software engineering and follow the best coding concepts.

● Good to great problem solving and communication skills.

● Must have experience in technical architecture and design , code reviews and mentoring junior developers.

● Should have experience in stakeholder management and work along with architects as and when necessary to lead the project.

Nice to have Qualifications

● Product engineering and customer-centric mindset.

● Great OOP skills, including design patterns.

● Experience with devops, continuous integration & deployment.

● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits

● Competitive salary.

● Work from anywhere.

● Reimbursements for remote work set up.

● Insurance (including a top up insurance for COVID).

● Free Access to Online learning libraries such as O'reilly or equivalent

Location

Remote - work from anywhere.

Are you interested to work at a place where you are given the opportunity to grow and level up your skills?

Are you looking to build products that are impactful?

Do you want to work with an energetic team, like-minded and passionate programmers? 

Do you like to create impactful and scalable products?

What we Look for

• Bring in a "can-do" attitude
• Passion towards technology and software engineering - open source, pet projects, conference talks, getting better at writing clean code
• Participate in a highly fluid environment applying agile software development principles
• Carry out unit tests and other quality control mechanisms to inform and validate the designs and code
• Work with product owner/BAs  to bring an end to end perspective of the problem
• Ability to ask the right questions and communicate your ideas with clarity
• Ability to collaborate with various stakeholders and take complete ownership
• Participate actively in building one of the most impactful organizations in retail technology

As a Software Engineer …..

• Quickly adapt to our startup environment which is both demanding and fast-paced (but is also a lot of fun) 
• Eager to learn new concepts, and technologies and be productive in short time
• Convert a raw idea into usable real-life software products 
• Write modular, readable and maintainable code
• Good understanding and working knowledge of technologies worked
• Demonstrate good problem solving skills
• Own and be able to manage a small to medium sized modules
• Demonstrate ability to guide and coach a new team member or fresher

JOB RESPONSIBILITIES

• Drive, design, build and deliver end-to-end solutions using Agile and User Centered Design processes.
• Build a distributed system based on SOLID design principles, concurrency, and distributed data.
• Demonstrate experience  writing enterprise software applications for high frequency and low latency environments.
• Hit the ground running with a typical Java ecosystem (Spring & its sub-projects, dependency injection, maven, hibernate, etc.)
• Maintain quality, modularity and ensure responsiveness of applications.
• Be able to pick up new technologies along their whole development stack including non-java ecosystems.  
• Collaborate with the rest of the engineering team to design to launch new features.
• Collaborate with cross-functional teams to define, design.
• Work with third-party data-sources and APIs.
• Unit-test code for robustness.
• Work on bug fixing and improving application performance
• Maintain code integrity and organisation.
• Help maintain code quality, organisation, and automation.
• Build a culture of continuous learning and improvement.
• Have a desire to collaborate to share and learn from your colleagues.

JOB REQUIREMENTS

• Extensive experience and deep understanding in Java 8, including multithreading, data-structures and algorithms.
• Strong understanding of distributed architecture concepts, Design patterns, SOLID principles, 

SOA, Microservices, Cloud hosting solutions (preferably AWS).

• Good experience in developing REST API and Json, in Java backend applications.
• Hands on experience with SQL, NoSQL concepts.
• Test driven development, including unit test cases using any test framework (JUnit, spring-test, MockMvc), and end-to end testing.
• Excellence in writing and maintaining clear end-user documentation including API specifications, patterns, best practices, and data definitions, including Swagger.
• Good knowledge of GIT.
• Familiarity with continuous integration and build automation tools like Jenkins pipelines for Continuous Integration (CI)/ Continuous Delivery (CD), maven/Gradle
• Experience with Agile software development (e.g., SCRUM or KANBAN) and/ or User Centered design process.
• Experience in working with Angular 6+/ReactJS 16+ & Redux, JSP, HTML5, CSS3, jQuery and Javascript will be a plus.

Skills:

• Proficiency with JavaScript and HTML5
• Minimum 2+ years of hands-on experience with AngularJS and Angular Frameworks
• Experience with Java, JSON, Spring Boot and Hibernate 
• Experience with MYSQL databases
• Familiarity with Linux environments
• Experience with GIT 
• Hands on experience with AWS S3 is preferred
• Experience with web servers & application servers such as Apache and Nginx is good to have.

Responsibilities: 

• Design and develop client-side and server-side architecture
• Develop and manage well-functioning database
• Implementation of approved user interface
• Design and construction of REST APIs
• Server management and deployment for the relevant environment

Strong experience on core Java (Version >=1.8 )

Strong experience on Spring ecosystem (Core, MVC, data, JPA, transaction management, security, AOP, Batch & Boot). Comfortable performing integration tests in Spring context.

Strong experience on JDBC and DB concepts.

Experience of TDD/BDD approach and prior experience working with CI/CD tools (Maven, Git, jenkins)

Strong experience on ORM (hibernate) and PL/SQL procedures

Knowledge of some of UI latest languages / frameworks ( Html5, Angular 4+)

Knowledge of SOA/Microservices (REST, Soap) and its challenges

Strong knowledge on APP server (Tomcat, Weblogic)

Strong knowledge on Microservices

Exposure on Digital stack

-          UX/UI

-          API

-          Machine Learning

-          Big Data

-          Cloud/Docker/IaaS/PaaS

Knowledge on Java Swing

Experience delivering sound development, testing, implementation, deployment and support strategies in complex distributed environments.

Knowledge on production monitoring tools.

Good experience in leading change within a team, especially around testing and quality practices.

Team player, who relentlessly involves others and shares knowledge with them

Should have experience of participant in design reviews and code reviews.

Curiosity in all the latest trends and ready to do POCs with new technical stack