Required Skills:
- .NET Core
- C#
- Web API
- Aware of Microservice concepts
- MongoDB
- Excellent communication
Docker, Kubernetes, and Linux knowledge is desirable. Having worked in a product development environment is desirable. Having worked in the finance and banking domain is desirable.

About Sigma Infosolutions
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📌 Job Title: Senior Java Developer
📍 Location: Bangalore
🕒 Experience: 6+ Years
💼 Employment Type: Full-time
🔍 Job Summary
We are looking for an experienced Senior Java Developer with 6+ years of hands-on experience in designing and developing scalable, high-performance applications. The ideal candidate should have strong expertise in Java, Spring Boot, and Microservices architecture, along with a passion for building robust backend systems.
💼 Key Responsibilities
- Design, develop, test, and maintain Java-based applications
- Build scalable microservices using Spring Boot
- Develop and consume RESTful APIs
- Collaborate with front-end developers, product managers, and other stakeholders
- Write clean, efficient, and well-documented code
- Troubleshoot, debug, and upgrade existing systems
- Participate in code reviews and ensure best practices
- Optimize performance and ensure application security
🛠️ Required Skills & Qualifications
- 6+ years of experience in Java development
- Strong knowledge of Core Java, Spring Boot, and Hibernate
- Experience with Microservices architecture
- Hands-on experience with REST APIs
- Familiarity with databases like MySQL, PostgreSQL, or MongoDB
- Experience with cloud platforms (AWS, Azure, or GCP)
- Knowledge of CI/CD tools (Jenkins, Git, Docker, Kubernetes)
- Understanding of Agile/Scrum methodologies
⭐ Good to Have
- Experience with Kafka or messaging queues
- Exposure to DevOps practices
- Knowledge of system design and scalability
- Experience with performance tuning
🎯 What We Offer
- Competitive salary and benefits
- Opportunity to work on modern technologies
- Collaborative and growth-oriented environment
- Learning and development opportunities
5+ years of experience in full stack development Strong hands-on experience with Node.js and React.js.
Proficiency in JavaScript (ES6+), HTML5, and CSS3 .
Experience with RESTful APIs and microservices architecture
Familiarity with databases like MongoDB / MySQL / PostgreSQL
Experience with version control systems (Git)
Understanding of CI/CD pipelines and cloud platforms (AWS/Azure/GCP)
Strong problem-solving and leadership skills
Urgently Hiring for the role of:- Lead Engineer - Java Full Stack
Location:- Pune, Hyderabad (Hybrid Mode)
Roles and Responsibilities
• Candidate should have 5+ years of real-time project experience.
• Should work and collaborate directly with Clients.
• Should be able to discuss with Architects and Tech Leads, understand the design and convert them to a workable code.
• Should adhere to all code quality tools and processes.
• Should be able to guide and mentor junior developers in the team.
• Self-initiated to propose and take up process and delivery improvement activities.
• Help the team in achieving the overall sprint commitment.
Required Skillset
• Excellent communication, interpersonal, and problem-solving skills.
• Team Mangement Experience
• Backend: Java8, Spring Boot, RESTful Services, Mockito for unit testing.
• Frontend: ReactJS, Redux or React Context, JEST for unit testing.
• Database: MySQL or any relational database.
Technical Skills (NICE TO HAVE)
• AWS, MongoDB, AngularJS, PHP

Responsibilities
- Build scalable and loosely coupled services to extend our platform
- Build bulletproof API integrations with third-party APIs for various use cases
- Evolve our Infrastructure and add a few more nines to our overall availability
- Have full autonomy and own your code, and decide on the technologies and tools to deliver as well as operate large-scale applications on AWS
- Give back to the open-source community through contributions on code and blog posts
- This is a startup so everything can change as we experiment with more product improvements
Requirements
- You have prior experience developing and working on consumer-facing web/app products
- Hands-on experience in JavaScript. Exceptions can be made if you’re really good at any other language with experience in building web/app-based tech products
- Expertise in http://node.js/">Node.JS and Experience in at least one of the following frameworks - http://express.js/">Express.js, http://koa.js/">Koa.js, http://socket.io/">Socket.io (http://socket.io/">http://socket.io/)
- Good knowledge of async programming using Callbacks, Promises, and Async/Await
- Hands-on experience with Frontend codebases using HTML, CSS, and AJAX
- Working knowledge of MongoDB, Redis, MySQL
- Good understanding of Data Structures, Algorithms, and Operating Systems
- You've worked with AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
- Experience with Frontend Stack would be added advantage (HTML, CSS)
- You might not have experience with all the tools that we use but you can learn those given the guidance and resources
- Experience in http://vue.js/">Vue.js would be plus
Job description
.
Responsibilities:
- Developing all server-side logic, definition, and maintenance of the central database(s), and ensuring high performance and responsiveness to requests from the front-end & Back-end.
- Addressing architectural problems like scalability, availability, etc., and providing solutions for them.
- Developing Database models, APIs, and processes.
- Developing ideas for new programs, products, or features by monitoring industry developments and trends.
- Understand business requirements and translate them into technical requirements.
- Implement user interface components for JavaScript-based web and mobile applications using the React.js open-source library ecosystem.
- Code debugging and performance testing.
- Dealing with clients associated with different projects.
- Developing new user-facing features using React.js.
- Writing reusable, testable, and efficient code.
- Translating designs and wireframes into high-quality code.
- Optimizing components for maximum performance and responsiveness across all devices and browsers.
- Dealing with clients associated with different projects.
- Developing new user-facing features using React.js & Node.js.
- Writing reusable, testable, and efficient code.
- Translating designs and wireframes into high-quality code.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
- Implement user interface components for JavaScript-based web and mobile applications using the React.js & Node.js open source library ecosystem.
- Code debugging and performance testing.
Required Skills:
- Good Experience with Node.js backend development platforms & MongoDB
- Good Experience with JavaScript frameworks and tools such as React.js, Redux, Amber, Web pack, Enzyme, and Flux.
- Understanding of accessibility and security compliance.
- Handling of Asynchronous tasks in frontend and backend both.
- Good to have experience in creating and using Image APIs.
- Prior experience with deployment on AWS and Heroku servers.
- Have good knowledge of Version Control Tools.
- Experience with RESTful APIs
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Bootstrap, HTML & CSS is a must to know.
- Having an understanding of React.js and its core principles is an added advantage.
- Experience with popular React.js workflows (such as Flux or Redux) is an added advantage
- Experience with handling data structures.
- Experience with React.js frontend development platforms.
What we offer:
- A dynamic and collaborative team.
- Tech start-up environment to develop and shape an ambitious business
- Competitive success-oriented remuneration package

Responsibilities
- Developing user-focused website applications.
- Seeing a project from conception to finished product.
- Working alongside designers and mobile developer.
- Meeting both technical and end-user needs.
Must Haves
- Proficiency in fundamental front-end languages such as HTML, CSS (Including SASS), and JavaScript (Also comfortable with the JS library: jQuery, React or Angular)
- Proficiency in server-side language PHP.
- Comfortable with Database systems (MySQL, SQL), NOSQL (i.e. Mongo dB)
- Strong understanding of how a server works
- VCS (Version control system): Git
- Ensuring the developing application(website) has met the security standards: Front end Back end
- Testing: Experience with unit testing and tools
- WordPress development
- Working with API (REST)
- Evaluating code to ensure it meets industry standards, is valid, is properly structured, and is compatible with browsers, devices (Mobile).
- Experience in Cloud Computing (i.e. AWS, Google Cloud Platform) is a plus.
- Attention to detail
- Creative vision
- Good organizational skills
- Good problem-solving skills
- Patience, a big one
- Identifying problems uncovered by customer feedback and testing, and correcting
- Able to develop ideas and processes and clearly express them
Good to Have
- Comfortable with MVC frameworks (Zend, Laravel)
Responsible for developing, enhancing, modifying and/or maintaining applications in the Global Markets environment. Software developers design, code, test, debug and document programs well as support activities for the corporate systems architecture. You are required to work closely with business partners in defining requirements for system applications. You must typically have in-depth knowledge of development tools and languages. You are also responsible for day to day supervision for a small team of associates; provide coaching and input into the performance management process.
Essential Skills:
• Front end - Angular(2.x)/ ReactJS/ jQuery
• Backend - Python/NodeJS
• Experience working with scalable, high-performance systems.
• Strong understanding of database design; Experience of NoSQL databases is a plus.
• Experience in API integration, Application deployment.
• Familiarity in Unix/Linux development environments & tools including scripting.
• Strong problem-solving ability.
• Experience in designing system architecture for solving complex problems with a sound understanding of object-oriented programming and Design Patterns.
• Experience in Test Driven Development & Agile methodologies.
• Good communication skill.
• Experience of using tools like git is a plus.
• Hunger for learning
• Self-starter with a drive to technically mentor your cohort of developers.
Responsibility :
- Responsible for design, development, deployment and maintenance of our applications and its various modules.
- Work closely with Product, UX, and QA teams to deliver the product.
- Ability to own several modules of the application.
Skills required :
- Ability to understand a problem and write good quality code to solve it
- Very strong skills in JavaScript, Node.js
- Candidates should have worked on Single Page Application based applications (Angular.js or React.js)
- Working knowledge of Databases like MySQL, MongoDB etc
- Understanding of data structures and algorithms
- Ability to design products independently
- Ability to take complete ownership of his/her tasks
- Working knowledge of at least one of SVN/GIT or a similar version control system
- Ability to quickly learn and pick up new technologies
- Understanding on website scalability and performance
Good to Have :
- Experience with front end technologies like PWA, Service Worker will be a plus
- Knowledge of unit testing theory
- Product start up experience






