
Position Summary: Senior Software Engineer (Full Stack) We are seeking a highly skilled Senior Software Engineer to execute our strategy preferably experienced in Financial Services/Procurement domain, to build a modern SaaS platform using latest technologies like ReactJS, Angular, Django, Python with Postgres and AWS as the platform. Athena, Lambda, Python, Spark and PowerBI. As a Full Stack Engineer, you’ll be responsible for designing, developing, and maintaining key features of our cloud-based SaaS product. You’ll work across the stack — from building rich client-side applications in ReactJS to crafting performant and secure APIs in Django. You will also play a key role in architectural decisions, DevOps integration, and driving engineering best practices across the team.
Technical Skills: Must Have: Expert – ReactJS, Django, Python, Shell Script, AWS, S3, Lambda, Postgres Significant work Experience – Jenkins, Power BI
Responsibilities:
• Design and develop end-to-end web applications using ReactJS (frontend) and Python/Django (backend)
• Build and maintain RESTful APIs and integrate third-party services
• Work with PostgreSQL to model data and write efficient queries
• Implement scalable, secure, and maintainable backend services on AWS
• Collaborate with product managers, designers, and fellow engineers to deliver new features
• Write unit, integration, and end-to-end tests to ensure code quality and reliability
• Conduct code reviews, debug issues, and optimize performance across the stack
• Contribute to DevOps workflows including CI/CD pipelines, containerization, and monitoring Internal Use Only Qualifications/Experience:
Must have - 5–7 years of full stack development experience, preferably in a SaaS or product-first environment
- Strong proficiency with JavaScript, ReactJS, and component-based architecture
- Hands-on experience with Python and the Django web framework
- Solid understanding of PostgreSQL (or similar relational databases)
- Practical knowledge of AWS services (EC2, S3, RDS, Lambda, etc.)
- Familiarity with Git, CI/CD pipelines, Docker, and Linux-based environments
- Clear communication skills and a collaborative mindset
Good to have
- Experience with performance tuning in Django or PostgreSQL - Exposure to Infrastructure-as-Code (e.g., Terraform, CloudFormation) Nice to have
- Understanding of frontend testing tools (Jest, Cypress) and backend testing strategies - Knowledge of security best practices for SaaS apps
Location: Bangalore

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Job Title : Java Full Stack Developer (React & Java )
Experience : 4 to 7 Years
Location : Pune / Chennai/Hyderabad
Notice Period : Within 15 days
Job Description :
Looking for passionate Java Full Stack Developers with strong expertise in React and Spring Boot Microservices to join our dynamic team. If you are looking for a challenging role in a collaborative environment and are ready to join immediately, we would love to hear from you!
Key Responsibilities :
- Design, develop, and maintain scalable web applications using Java, Spring Boot, and Microservices architecture.
- Build responsive and dynamic front-end interfaces using React.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Write clean, maintainable, and efficient code following best practices.
- Participate in code reviews, unit testing, and integration testing.
- Troubleshoot and resolve technical issues across the full stack.
Required Skills :
- 4+ years of Front-end development experience with React.js.
- hands-on experience in Java Full Stack Development.
- Strong proficiency in Spring Boot, RESTful APIs, and Microservices.
- Solid understanding of HTML5, CSS3, JavaScript, and TypeScript.
- Experience with SQL/NoSQL databases (e.g., MySQL, MongoDB).
- Familiarity with CI/CD pipelines, Git, and Agile methodologies.
- Excellent problem-solving and communication skills.
Position: Full-Stack Developer
Experience level: 5 + years
Location: Bangalore / Hyderabad
Tech stack: Node, Loopback, React
Essential Duties:
- Design and develop technical solutions that meet user needs with respect to functionality, performance, scalability, and reliability.
- Drive department best practices, guidelines implementation, and adhering to standards.
- Build and maintain medium-sized software platforms in the cloud.
- Build elegant, maintainable, well-documented, secure code.
Good to have:
- Development using a test-driven approach, AWS
Qualifications:
- 5+ years of progressive development experience as a Software Engineer.
- Bachelor's degree in Computer Science/Engineering or equivalent work experience.
- Strong hands-on development experience in Node JS and React.
- Hands-on Experience with RESTful Webservices/API and web-based applications is preferred.
- Experience implementing solutions using Agile delivery methodologies.
- As a Senior Full-stack Developer, your role would involve design development and deploy full-stack applications out of Artificial intelligence projects with a focus on low latency and scalability.
- You also need to optimize the application for better performance and a large number of concurrent users.
- Besides, you’d also closely mentor younger engineers on the team and contribute to team building.
- A strong technologist at Curl cares about doing things the right way rather than just doing them and thrives in a complex and challenging environment.
Who are we looking for?
• Bachelors / Masters in Computer Science or equivalent with at least 4-8 years of professional experience.
• Solid understanding of design patterns, data structures, and advanced programming techniques
• As an Engineer in our team, you will design, code, test and debug quality software programs.
• Strong software design and architectural skills in object-oriented and functional programming styles.
Strong software design and architectural skills in object-oriented and functional programming styles.
• Java 8, Microservices using Spring boot, Spring Cloud, Docker, Kubernetes orchestrator.
• Experience in working with Spring Framework - Spring Boot, Spring REST, Spring Security, Spring Data JPA, OAuth2, hibernate.
• Experience in Reactjs or Angular.
• Experience in RabbitMQ
• Experience in Unit Testing Tools like Junit/TestNG
• Experience in working with SQL & NoSQL databases such as MySQL, Mongo DB.
• Knowledge of CI/CD architecture.
• Knowledge of tools like Jenkins, SonarQube, Maven, Gitlab
• Experience in cloud technologies.
• You demonstrate the ability to work in a fast-paced and hyper-growth environment where the requirements are constantly changing.
• Solid understanding of design patterns, data structures, and advanced programming techniques.
• Nice to have: Python 3.6+, Image and textual data processing technologies
• Expert in modern JavaScript frameworks like Angular, React, or VUE (Angular is a must).
• Familiar with agile techniques like code reviews, pair programming, collective code ownership, clean code, TDD, and refactoring.
• Design and development of high-volume, high-performance, high-availability, service-oriented Java applications using proven Java frameworks and technologies.
Key Tasks & Accountability:
- Collaborate with development teams and product managers to create innovative software solutions.
- Able to develop entire architecture, responsive design, user interaction, and user experience.
- The ability to use databases, proxies, APIs, version control systems, and third-party applications.
- Keep track of new development-related tools, frameworks, methods, and architectures.
- The developer is in charge of creating APIs depending on the architecture of the production application.
- Keeping up with the latest advancements in programming languages and server apps.
Skills:
- Comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries.
- Knowledge of React, Redux and API Integration.
- Experience with backend technology like NodeJs, Microservices, MVC Framework and Data Base connection.
- Knowledge on SQL/NoSQL such as MySql, mongoDB.
- Knowledge of cloud such as AWS.
- Team player with a knack for visual design and utility.
The Full-Stack Engineer role involves working across prosuct development stack, including various backend systems, frontend systems as well as quick prototyping of proof-of-concept features and projects.
Responsibilities:
- Architecting Figuring out all levels of designing and structuring systems, deciding on optimal levels of abstraction and future-proofing, patterns of orchestration of components and finally planning its execution.
- Implementation Should be able to structure and write code like prose for others to read, design and adhere to common principles and patterns that make everyone better at their jobs. Should have the ability to contribute according to timelines and type of projects - from working POCs to stable production code and the ability to work with a large breadth of knowledge.
- Orchestration and integration Interact with the larger engineering team for integrating your work into the ecosystem, help others in building over the base that you provide, help in orchestrating your work into CI/CD, testing, QA and automation pipelines.
- Mentorship We all love to learn and grow as engineers and human beings and we believe in synchronous growth as a team fueled by each and every individual's personal abilities, specializations, and interests.
- To enable this you'll be required to mentor others by sharing your expertise in various forms and be subject to be mentored by others and thus maintain a continuous learning culture.
- Ownership End-to-end ownership of services and specialised components required for various projects - starting from prototypal stage to production-hardened. These may include anything from document parsing to solving problems using deep learning.
- Documentation Create advanced technical content including articles, samples, whitepapers, and training.
Responsibilities:-
Developing front end website architecture.
Designing user interactions on web pages.
Developing back-end website applications.
Creating servers and databases for functionality.
Ensuring cross-platform optimization for mobile phones.
Ensuring responsiveness of applications.
Working alongside graphic designers for web design features.
Seeing through a project from conception to finished product.
Designing and developing APIs.
Meeting both technical and consumer needs.
Staying abreast of developments in web applications and programming languages.
Skills:-
Strong organizational and project management skills.
Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
Familiarity with JavaScript frameworks such as React.js,Node.js and Vue.js
Familiarity with database technology such as MySQL, Oracle, and MongoDB.
Excellent verbal communication skills.
Good problem-solving skills.
Attention to detail.
Causality Biomodels is an Indo-German life science informatics company that focuses on the development of data-based solutions in the bioinformatics sector. Specifically, we work using semantic integration & information extraction methods, knowledge & data organization, and advanced statistical & machine learning techniques in the context of life sciences.
The team Causality Biomodels is searching for a full stack developer with a strong focus on Python, capable of taking on a lead developer role.
You will be mainly focusing on the following areas:
- Implementing new features by modifying our backend system and UI according to the product backlog and discussions with the team.
- Rapid prototyping to explore new directions based on current research developments.
- Design, development and maintenance of APIs, as well as product and add-on components.
- Maintenance of code integrity and organization.
The requirements are:
- Successfully completed bachelor’s or master’s degree in computer science or in related fields such as Bioinformatics.
- At least 2 years of professional software engineering experience.
- High proficiency in Python and ability to write clean and well-documented code (must).
- Experience with cloud-based development using AWS (preferred), GCP or Azure.
- Experience with Docker and container-based deployment.
- Proficiency in JavaScript.
- Experience with at least one database system (SQL or no-SQL).
- High familiarity with Git.
- Experience with agile development practices.
- Experience with CI/CD and automated testing.
- Very strong English skills (both verbal and written).
Bonus points for:
- Knowledge about machine learning or data science.
- Experience with Python packages SpaCy, scikit-learn, flask and fastapi.
- Experience with JavaScript libraries React and Redux/Context.
- Experience with Gitlab CI/CD pipelines.
- Experience working with knowledge graph data.
- Knowledge and experience in bioinformatics methods.
This is a remote working position with preference to applicants who can start immideatly.
Mandate Strengths
- Handsome experience in React and Typescript
- Full Stack development
- Passion towards Code Review
- Strong fundamentals in data structures, algorithms, web technologies, and design patterns
- Calm under pressure
- Hungry to improve
Required Skills and Stack
- Expertise in Java / Typescript / ES6+
- Extensive experience with one of the following - Node.js / Spring / Serverless or Enterprise Java-based server technology
- Experience with React 16+
- Version Control - Git
- Excellent verbal and written communication skills
- Contributing to technical and implementation discussions
- Attention to detail and ability to maintain comprehensive documentation
- Ability to meet deadlines consistently and communicate status effectively.
● Design and develop front-end applications using React
● Collaborate and contribute in a multi-functional team comprising of product managers,
architects, UI Designers, and customer support
● Convert UX designs in Sketch or PSDs to React components and layouts by working
closely with other front-end engineers
● Work with Redux to manage application state
● Implement latest React best practices such as Hooks and Suspense
● Contribute towards Unit/Integration/Performance Testing, System troubleshooting
● Build a rich and innovative user experience for our customers
Essential skills and qualifications:
● Ability to model data into appropriate state and props and build logical React components
● Passion for building new products in a fast paced, team-oriented environment
● Solid coding skills in modern ES6 JavaScript
● Proficiency using modern web development technologies and techniques such as
● HTML, CCS, ES6, CSS pre-processors, JavaScript, jQuery, Angular, React,
● Responsive Web Design, build tools like (Browserify, WebPack, Grunt, Gulp) etc
● Experience building customer facing UI and visualization tools
● Experience with Redux (or Flux, MobX) state management tools
● Experience with an integration testing framework, like Cypress or Testcafe
● Bonus: Experience with GraphQL and Apollo
● Bonus: Experience with React Hooks and Suspense
● Bonus: Experience with other functional programming languages like ReasonML







