

About Fission Labs
About
Fission Labs is a Software Product Development & Services company delivering high-end solutions primarily in the areas of highly scalable cloud applications and analytics for large sets of data. Few of the challenges we are working on are scaling an application to support 150 million users, real-time bidding with response time requirements of 100 ms or less. If you are somebody who wants to work on big challenges and change the world, we have those opportunities in spades
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Position : Lead – Java Full Stack Developer
Experience : 7 to 12 Years
Location : Kochi / Thiruvananthapuram / Remote
Notice Period : Immediate to 15 Days
Open Positions : 1
Role Overview :
We are looking for a Lead Java Full Stack Developer with strong expertise in Java (Java 21, Spring Boot, and Hibernate), Angular (v19), and AWS to lead agile scrum teams and drive end-to-end feature delivery.
Key Skills Required :
- Java 21, Spring Boot MVC, Spring Data, Hibernate, Gradle
- Angular 19, HTML5, CSS3, JavaScript, REST APIs
- PostgreSQL / RDBMS / NoSQL
- AWS services: S3, Secrets Manager, CloudWatch
- CI/CD (Jenkins, GitHub), Docker
- Unit Testing (Jasmine/Karma or Jest)
- Tools: JIRA, Azure DevOps, Confluence
- Strong in design patterns, OOPs concepts, and performance optimization
- Excellent debugging and communication skills
Responsibilities :
- Design, develop, and deploy scalable full stack solutions
- Lead sprint tasks, perform code reviews, and ensure code quality
- Collaborate with stakeholders and convert requirements into technical specs
- Participate in Agile ceremonies and follow DevOps/CI-CD best practices
- Guide team members and promote technical best practices
Interview Process :
- Technical Round
- 2–3 Technical Rounds
- Final Technical Discussion
Our client is a rapid growth stage Edtech start-up focused on solving the teacher shortage crisis in the US education system using technology by bringing teachers to the classrooms and giving them access to the right tools to teach students in a highly engaging manner.
They have a development center in Mumbai and they are looking to scale up the teams in Pune and Bangalore as well.
What does the role entail:
● Design, develop, and maintain software applications using .NET Core ,C#
● Write clean, maintainable, and efficient code
● Collaborate with cross-functional teams to analyze requirements, design solutions, and implement new features
● Develop and implement unit tests and integration tests to ensure software quality
● Participate in code reviews and provide constructive feedback to peers
● Lead requirements/tasks and guide/mentor junior software engineers in the development process and help them grow their technical skills
Required Skills:
● B.E/B.Tech in computer science
● 4 - 7 years of experience
● Hands-on experience following skills
MS Technologies: NET CORE 5+, C#
Backend : MSSQL/MySQL/Postgres
● Good understanding of Cloud technologies like Azure/AWS.
● Strong understanding of Design Principles, Design patterns and Microservices Architecture.
● Excellent problem-solving, critical thinking, and communication skills
● Must understand full stack development frameworks including knowledge of building scalable APIs, interfaces, software components, schema design, availability, and latency preferably in a cloud environment.
● Worked in fast-paced environment product startup/startup-like culture in an Agile software development environment
- Systems: REST & Graphql API’s, WSDL, XML JASON. Integration protocol, data exchanges between systems. Magento, Logistics, ERP integration experience
- Role: Will be responsible for developing and integrating API framework. Build service layer.
- Education : B.Tech – CSE, premium institute
- Experience : 3-6 Years, High transactional website, multiple system integration, AWS, Middleware and MySQL, MongoDB, Restful API. Team player, Passion for Coding. Magento eCommerce system design and database is desirable
-
- Key Result Areas
- Develop and lead desktop and mobile web Back end development.
- Work on Node JS platform.
- Strong focus on UI Performance: optimize page load, rendering, caching, leveraging CDNs.
-
- Technology Skills:
- Advanced Javascript, CSS, HTML 5, D/XHTML, XML, JSON, DOM Concepts
- Must have worked on a SPA frameworks:Nodejs, AngularJS or InfernoJS
- Familiarity with common Javascript Libraries such as jQuery.
- Fluent in responsive design and mobile / tablet UI / UX
- Knowledge about UI testing automation
- Web mobile (touch devices: mobiles and tablets) experience is expected
- UI or API Performance: should have hands-on experience of optimizing page load, rendering,caching.
- Good understanding of AJAX and its UI implications
- Sense for appeal & aesthetics from a usability perspective
If you love to work in a fast-paced startup environment and desire to solve some very
challenging problems using technology, we want to hear from you.
We are looking for an enthusiastic and energetic individual to work as a Senior Software
Developer. You will be involved in working on multiple products for the scaling and growth
stage of the lifecycle.
We work closely with the real world,. If you are interested to grow and learn in your career
and at the same time work on products for the 1Bn user market, we encourage you to apply.
Responsibilities
● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● Over 3 years of experience working in backend development technologies and
DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Some experience in Angular 6+, JavaScript or TypeScript would be a plus.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● Understanding differences between multiple delivery platforms such as mobile vs
desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performance.









