Senior Full Stack Developer

Job Description:

Technical Lead – Full Stack

Experience: 8–12 years (Strong candidates Java 50% - React 50%)

Location – Bangalore/Hyderabad

Interview Levels – 3 Rounds

Tech Stack: Java, Spring Boot, Microservices, React, SQL

Focus: Hands-on coding, solution design, team leadership, delivery ownership

Must-Have Skills (Depth)

Java (8+): Streams, concurrency, collections, JVM internals (GC), exception handling.

Spring Boot: Security, Actuator, Data/JPA, Feign/RestTemplate, validation, profiles, configuration management.

Microservices: API design, service discovery, resilience patterns (Hystrix/Resilience4j), messaging (Kafka/RabbitMQ) optional.

React: Hooks, component lifecycle, state management, error boundaries, testing (Jest/RTL).

SQL: Joins, aggregations, indexing, query optimization, transaction isolation, schema design.

Testing: JUnit/Mockito for backend; Jest/RTL/Cypress for frontend.

DevOps: Git, CI/CD, containers (Docker), familiarity with deployment environments.

What you need to succeed in this job ?

• MS or BS/B.Tech in computer science or equivalent experience from top college.
• Minimum 2+ Experience in Java 8, Spring Boot, Spring Cloud, Spring Cloud Gateway etc
• Good understanding of Design Patterns usage and implementations.
• REST Services and understanding and implementation of Microservices Architecture.
• Unit testing tools – Junit & Mockito.
• Experience is PostgreSQL database is must, 
• Excellent data structure & algorithm and problem solving skills.
• Should be an active contributor to developer communities like Stackoverflow is added advantage.
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development (Prometheus, Elasticsearch, Kafka).
• Must be a proven performer and team player that enjoy challenging assignments in a high- energy, fast growing and start-up workplace.
• Must be a self-starter who can work well with minimal guidance and in fluid environment.

About the job

About Reflektive's Engineering Team

We are seeking a Senior Software Engineer, Front End to help scale Reflektive to being the market leader for employee performance management. The main question to be answered: Can you help a

company scale?

Reflektive has major initiatives to tackle in the next year. Initiatives range from internal scaling, security, engagement, new verticals, pervasive technologies, research and development, data and

analytics, and customer tools. Reflektive’s Senior Software Engineer will contribute in their area of specialization. S/he will help us solve complex design challenges and mature our platform to handle

increasing traffic and scale.

You'll join a lean, prolific team where everyone, including you, is active in the product-defining and development process (where deploying new features every 2 weeks is common). You'll know the

customers we're talking to, and the needs of each one. As a result, you know where your initiative and drive can best make a difference (and be recognized!)

Our engineering team consists of developers from a wide array of backgrounds. Our team primarily focuses on Rails and Javascript, but is always ready to use the best tool for the job when it makes

sense. Following Scrum practices, we work closely with the Product Management team to develop features that focus on empowering and developing employees. Our team is a tight knit, friendly

group of engineers that are dedicated to learning from and teaching to each other. Team members regularly contribute to and optimize our engineering practices and processes. Our team wants to

make software engineering fun, easy, and fulfilling, so we've come up with a set of values that we

apply to our software every day: Simple, Flexible, Consistent, Predictable, Efficient, and Pragmatic.

Responsibilities

● Depending on your specialization, projects/initiatives may include: Security, scaling distributed systems, working on our core services related to user management, building out new verticals, guiding new engagement features, scaling traffic/imports/exports,

and managing APIs.

● Work extremely cross-functionally across Engineering and Product Management.

● Deliverable: (30 days) Own a feature; possibly being paired with another engineer. (60days) Own and drive a new initiative. (90 days) Bring that initiative to production.

Desired Skills and Experience

• Expert proficiency in Java/Kotlin, Kafka/Pulsar, SQL, Docker and kubernetes.
• Overall 4+ years of experience as Java full stack developer using any modern frameworks.
• Strong knowledge on Data structure and Algorithm knowledge
• Previous experience working in ReactJS/AngularJS (2+ years)
• Knowledge of Analytics and LookerML would be added plus.
• Exposure to cloud environment AWS.
• Knowledge of unit testing frameworks including Junit.
• Startup experience is strongly desired.
• You learn quickly, you’re adaptable and versatile.
• Experience in an Agile and Scrum environment.

About Reflektive

Forward-thinking organizations use Reflektive’s people management platform to drive employee performance and development with Real-Time Feedback, Recognition, Check-Ins, Goal Management,

Performance Reviews, 1-on-1 Profiles, and Analytics. Reflektive’s more than 500 customers include Blue Origin, Comcast, Instacart, Dollar Shave Club, Healthgrades, Wavemaker Global, and Protective

Life. Backed by Andreessen Horowitz, Lightspeed Venture Partners, and TPG Growth, Reflektive has raised more than $100 million to date, and was ranked the 13th Fastest Growing Company in North

America on Deloitte’s 2018 Technology Fast 500TM.

We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status,

veteran status, or disability status.

• Core Java  (Collections,  Annotations, Threads, Exceptions)
  Java 8  ( Must)
  Spring Core (Must)
  Spring Boot, Spring Cloud, Micro services (Must)
  Angular / React , Bootstrap ( Good to have)
  Docker / Kubernetes  ( Good to have) Pivotal Cloud Foundry / Tanzu Services ( Good to have)

• Must have 3+ years of hands-on experience in web development using core PHP,Wordpress, CodeIgniter etc
• Must have hands-on experience in front-end using JavaScript (ES6+), HTML, CSS etc.
• Must have experience with design patters such as RESTful, AJAX, and jQuery
• Experience in building responsive web pages
• Proficient understanding of code versioning tools, such as Git
• Should have working knowledge of MySQL database system
• Should have basic programming skills using object-oriented programming (OOP) languages with in-depth knowledge of common APIs and data structures

• Write well designed, testable, efficient quality code.
• Ensure designs are in compliance with specifications.
• Developing and implementing strong algorithms/techniques for solving problems in a
• Frameworks are good, but you should be able to function without them.
• Test and deploy applications and systems.
• Revise, update, refactor, debug code and improve existing software.

Details:

• Should have Experience of Java/J2EE Developer
• Must have Full Stack Development experience.
• Must have  SQL Knowledge and a good understanding of Procedures.
• Need 4 or 6 Years of Experience Candidates. 
• Should be from a Product Based Company or should have 1 Year of Prior Experience in Product Based Companies.

Blue9 Technologies looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

If you’re also familiar with Agile methodologies, we’d like to meet you.

Responsibilities

1. Work with development teams and product managers to ideate software solutions
2. Design client-side and server-side architecture
3. Build the front-end of applications through appealing visual design
4. Develop and manage well-functioning databases and applications
5. Write effective APIs
6. Test software to ensure responsiveness and efficiency
7. Troubleshoot, debug and upgrade software
8. Create security and data protection settings
9. Build features and applications with a mobile responsive design
10. Write technical documentation
11. Work with data scientists and analysts to improve software

Requirements

1. Proven experience as a Full Stack Developer or similar role
2. Experience developing desktop and mobile applications
3. Familiarity with common stacks (.net & PHP)
4. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
5. Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
6. Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design
7. Excellent communication and teamwork skills
8. Great attention to detail
9. Organizational skills
10. An analytical mind

• Participate with the senior developer in the entire application lifecycle, designing, coding, testing, debugging to deployment.
• Implementing designs and coordinating the frontend development and required backend for it.
• Work on back-end development tasks and designing the architecture for the same.
• Efficient usage of database technologies such as MySQL, MongoDB, ElasticSearch, Redis etc. as part of the dev work.
• Perform research and find opportunities to utilise web development best practices, form guidelines to improve system productivity, and work on scaling and monitoring.
• Work with cross-functional teams to maintain and make sure the product should be scalable, maintainable and secure.
• Coordinate with multiple junior team members for the development of the tasks & projects.

• Bachelor's degree in Computer Science or related field.
• 3+ years of experience working as a Full-stack developer or Backend but knows Frontend technology.
• Proficiency in Javascript Frameworks like React and thorough knowledge in CSS skills is an added advantage.
• Built an application from scratch earlier.
• Strong fundamental knowledge of any backend language such as Python, Java etc.
• Experience with Backend Web development.
• Strong computer science fundamentals.
• The ability to own end to end responsibility - right from the requirement to release.
• Willingness and enthusiasm drive to learn new technologies.
• The ability to pick the right tools for the job.
• Desire and ability to play different roles as necessary.

• Developing user interface components and implementing them following well-known React.js workflow.
• Architect the application out in clean MVC kind of architectures in ReactNative for Android/iOS app development.
• Developing APIs with MVC frameworks in Java / Python.
• Designing and building REST APIs.
• Building on and maintaining services on cloud platforms.
• Build reusable code and libraries for future use.

• Self-motivated, team player, action-and-results oriented.
• Well organised, good communication and reporting skills.
• Ability to successfully work under tight project deadlines.