
Job Title: Java Full Stack Developer
Location: Bangalore
Experience: 3–9 Years
Employment Type: Full-Time
Role Overview
We are looking for an experienced Java Full Stack Developer with strong backend expertise in Java and frontend experience in modern UI frameworks. The ideal candidate should be capable of designing scalable backend services and developing responsive user interfaces.
Key Responsibilities
- Develop and maintain scalable applications using Java (8/11/17)
- Build RESTful APIs using Spring Boot / Spring MVC
- Design and develop frontend applications using Angular / React / Vue.js
- Work with relational databases like MySQL / PostgreSQL / Oracle
- Implement Microservices architecture
- Integrate third-party APIs and external systems
- Write unit and integration test cases
- Participate in code reviews and Agile ceremonies
- Ensure application performance, security, and scalability
- Work with CI/CD pipelines for deployment
Required Skills
Backend:
- Strong knowledge of Core Java
- Spring Boot, Spring MVC, Spring Security
- REST API development
- Microservices architecture
- Hibernate / JPA
- SQL & Database design
Frontend:
- Angular (8+) or React.js
- HTML5, CSS3, JavaScript, TypeScript
- Bootstrap / Material UI
DevOps & Tools:
- Git
- Maven / Gradle
- Jenkins / Azure DevOps
- Docker (Good to have)
- Kubernetes (Preferred)
Preferred Skills
- Cloud experience (AWS / Azure / GCP)
- Kafka / Messaging systems
- Redis / Caching mechanisms
- Agile/Scrum methodology

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Responsibilities
- Develop and maintain robust APIs to support various applications and services.
- Design and implement scalable solutions using AWS cloud services.
- Utilize Python frameworks such as Flask and Django to build efficient and high-performance applications.
- Collaborate with cross-functional teams to gather and analyze requirements for new features and enhancements.
- Ensure the security and integrity of applications by implementing best practices and security measures.
- Optimize application performance and troubleshoot issues to ensure smooth operation.
- Provide technical guidance and mentorship to junior team members.
- Conduct code reviews to ensure adherence to coding standards and best practices.
- Participate in agile development processes including sprint planning daily stand-ups and retrospectives.
- Develop and maintain documentation for code processes and procedures.
- Stay updated with the latest industry trends and technologies to continuously improve skills and knowledge.
- Contribute to the overall success of the company by delivering high-quality software solutions that meet business needs.
- Foster a collaborative and inclusive work environment that promotes innovation and continuous improvement.
Qualifications
- Possess strong expertise in developing and maintaining APIs.
- Demonstrate proficiency in AWS cloud services and their application in scalable solutions.
- Have extensive experience with Python frameworks such as Flask and Django.
- Exhibit strong analytical and problem-solving skills to address complex technical challenges.
- Show ability to collaborate effectively with cross-functional teams and stakeholders.
- Display excellent communication skills to convey technical concepts clearly.
- Have a background in the Consumer Lending domain is a plus.
- Demonstrate commitment to continuous learning and staying updated with industry trends.
- Possess a strong understanding of agile development methodologies.
- Show experience in mentoring and guiding junior team members.
- Exhibit attention to detail and a commitment to delivering high-quality software solutions.
- Demonstrate ability to work effectively in a hybrid work model.
- Show a proactive approach to identifying and addressing potential issues before they become problems.

- Hands-on expertise in managing technical teams and work closely with business stakeholders
- Should be familiar with card testing and POS ecosystem.
- Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
- Payment’s domain experience.
- Extensive experience on Base24 & SWITCH part for payment format.
- Exposure on ISO8583 Messaging system.
- API understanding and creation.
- Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
- Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
- Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
- Must have strong technical skills in Android APK and iOS development Concept and Web services.
- Supportability, monitoring, ops in general.
- Accurate cost models to deploy and operate
- Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
- Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
- Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
- Extensive experience with payment devices (pin pads, printers, registers, scanners).
- Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular.
- Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
- Experience in messaging tools like Kafka/AWS Kinesis etc...
- Design expertise for performance, scalability, fault tolerance and high availability
Technical Competencies Required:
- Experience with POS systems and Payments domain.
- Demonstrated experience for systems architecture, design, and integration for POS systems
- Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
- Experience with one or more RDBMS databases like MySql, PostGreSQL
- Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
- Caching technologies like: Redis, Elasticache,
- Cloud Providers like: AWS/ Google Cloud / Azure
- CI / CD : Jenkins, Docker, Kubernete
Responsibilities:
• Develop, test, and maintain web applications using the CodeIgniter framework.
• Write clean, efficient, and well-documented code.
• Troubleshoot and debug issues that arise during development or in existing applications.
• Collaborate with team members to identify and resolve problems.
• Participate in code review sessions to ensure that code meets quality standards.
• Stay up-to-date with the latest trends and technologies in web development.
Preferred Qualifications/ Skills
• Bachelor's or Master's degree in Computer Science or a related field.
• Minimum 1 years of experience in PHP development.
• Strong knowledge of the CodeIgniter framework.
• Proficient in HTML, CSS, JavaScript, and jQuery.
• Familiarity with Git, GitHub, PHPUnit, and Composer.
• Experience working in an Agile development environment using Scrum/Kanban.
• Familiarity with databases such as MySQL, PostgreSQL, and MongoDB.
• Good understanding of web standards and protocols.
• Strong problem-solving and analytical skills.
• Ability to work independently and as part of a team.
• Excellent communication and interpersonal skills.
• Experience in React.Js is also a must
- Building REST APIs using Node.js, Express, and MongoDB
- Working on Flutter application development using various advanced strategies like state management, API integrations, and scalable databases
- Working with Socket.io library for Flutter and Node.js product development
- Learning and developing the cryptographic functions for product security
- Managing product workloads on public/private cloud - we are currently on AWS & also planning to be on GCP/Azure (our platform would also be available as on-premise deployment, you will handle these deployments)
- Develop API based architecture in order to ensure the business growth and integration-al capabilities of the product
- Work on using GIT and CI-CD for product version control and continuous delivery
About Personal Nutrition
We are building PersonalNutriton.com to improve the quality of life for people. We help people reach peak wellness by improving their diet and food habits. We offer a personalized diet plan for each individual based on their body and environment.
Why should you join?
Today, lifestyle diseases are the biggest health issue across the world. People want to ensure their families including the elderly, children, and themselves are in the best of health. There is very little help available to decide what foods are best for them and how to actively manage health through nutrition.
If you are passionate about helping people in their pursuit to lead a healthy lifestyle. This is the place for you. A place where we are figuring out how nutrition helps people improve their health. We want to build the best nutrition guide and make a difference in making the world a healthy place.
Skills required
- 1 - 3 years of relevant experience in Backend Engineering/Frontend Engineering
- You are an expert in Python, angularJS/reactJS
- Have a strong technical aptitude
- Working knowledge of the general technology landscape, architectures, trends, and emerging technologies
- Passion for engineering and building great products
- Great team player who builds trust within the team and never says no to having fun
Responsibilities
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Test software to ensure responsiveness and efficiency
- Troubleshoot, debug and upgrade software
- Create security and data protection settings
- Build features and applications with a mobile responsive design
- Write technical documentation
- Work with data scientists and analysts to improve software
Requirements:
- Bachelor's or master’s degree in computer science or equivalent work experience.
- A solid understanding of the full web technology stack and experience in developing web applications
- Strong experience with React JS framework for building visually appealing interfaces and back end frameworks like Django
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Good knowledge of object-oriented programming and data structures in Python
- Experience with NoSQL databases, web server technologies, designing, and developing APIs.
- Strong knowledge and work experience in AWS cloud services
- Proficiency with Git, CI/CD pipelines.
- Knowledge in Agile/Scrum processes.
- Experience in Docker container usage.
Roles and responsibilities:
- Develop sophisticated web applications for drone control, data management, security, and data protection.
- Build scalable features using advanced framework concepts such as Microservices, Queues, Jobs, Events, Task Scheduling, etc.
- Integrate with Third-Party APIs/services
- Use theoretical knowledge and/or work experience to find innovative solutions to the problems at hand.
- Collaborate with team members to ideate solutions.
- Troubleshoot, debug, and upgrade existing software.
- Passionate to learn and adapt in a start-up environment.
Perks:
- Hands-on experience with state of the art facilities we use for robot development.
- Opportunity to work with industry experts and researchers in the field of AI, Computer Vision, and Machine Learning.
- Competitive salary.
- Stock options.
- Opportunity to be an early part of the team and grow with the startup.
- Freedom of working schedule.
- Opportunity to kickstart and lead your own projects.
About the Company
Blue Sky Analytics is a Climate Tech startup that combines the power of AI & Satellite data to aid in the creation of a global environmental data stack. Our funders include Beenext and Rainmatter. Over the next 12 months, we aim to expand to 10 environmental data-sets spanning water, land, heat, and more!
We are looking for a Full Stack developer who can work on all aspects of our in-house data refinery. You will be working in javascript, python, golang, and more. With respect to the cloud it's majorly AWS in ECS, Lambda, cloud watch, and much more to grow our team to power this expansion. Come save the planet with us!
Your Role
- Ideate and design multiple microservices and their interaction.
- Documenting code and infrastructure architecture.
- Deleting and adding code in JavaScript, python, database modeling, and SQL.
- Building APIs that are flexible and scalable.
- Occasionally you will be asked to work on the frontend side of things.
- Deploying and maintaining multiple services.
- Adding, removing, and updating parts of the application keeping in mind the bigger vision of the organization.
Requirements
- 1- 4 years of work experience.
- Excellent command over JavaScript with focus on Node and React.
- Excellent command over relational databases like Postgres(preferred) or MySQL.
- Both frontend and backend exposure.
- Exposure to REST API architecture and development.
- Must know code designing patterns and common language-agnostic principles e.g. DRY, KISS< MVP.
- Exposure to AWS services like EC2, Cloudwatch, Lambda, S3, CI/CD, etc & production level experience in DevOps.
- Basic understanding of containers like Docker, Kubernetes, and Linux based systems.
- Exposure to Microservices and serverless architecture.
- Self-starters and curious folks who don't need to be micromanaged.
- Understand when to make trade-offs and are insistent that quality doesn't always have to compromise speed.
- Passionate about Blue Sky Climate Action and working with data at scale.
Benefits
- Work from anywhere: Work by the beach or from the mountains.
- Open source at heart: We are building a community where you can use, contribute and collaborate on.
- Own a slice of the pie: Possibility of becoming an owner by investing in ESOPs.
- Flexible timings: Fit your work around your lifestyle.
- Comprehensive health cover: Health cover for you and your dependents to keep you tension free.
- Work Machine of choice: Buy a device and own it after completing a year at BSA.
- Quarterly Retreats: Yes there's work-but then there's all the non-work+fun aspect aka the retreat!
- Yearly vacations: Take time off to rest and get ready for the next big assignment by availing the paid leaves.
Our software developer for full stack role would be required to constantly work on building new features as per discussion with the product team.
Our front end code base is in Angular while the backend code base is in Python-Django.
Pre-requisites
- Expert level knowledge of Angular and Javascript
- Intermediate level knowledge of Python
Responsibilities
- Build new products / features from scratch
- Work on implementing and maintaing ticket booking flow on site
- Work on making existing features faster and better
- Work on reducing response time for all our apis
Qualifications & Skills
- Bachelor's degree or equivalent experience
- 1-6 years' experience in full stack development
- Hands-on with angular, python, django, mysql, mongodb, redis, rest-framework
- Ability to multi-task
- Strong verbal, written, and organizational skills
- Good analytical capabilities
- Mobile ecosystem knowledge
Trainman gets more than 5 lakh daily visits and the android app has more than 65 lakh downloads. The role would be challenging, so only those should apply who love working at scale.

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)








