Java Developer

We are looking for a Java Backend Developer to join our team. You will be responsible for developing and maintaining the server-side logic and databases of our applications, ensuring they run smoothly and efficiently.

Responsibilities:

• Write and maintain server-side code using Java.
• Develop and integrate APIs to support frontend functionality.
• Work with databases to store, retrieve, and manipulate data.
• Troubleshoot, debug, and optimize backend performance.
• Collaborate with frontend developers to integrate backend and frontend systems.
• Write unit tests to ensure code quality.

Required Skills:

• Strong experience with Java.
• Familiarity with Spring Boot or other Java frameworks.
• Knowledge of relational databases (e.g., MySQL, PostgreSQL).
• Understanding of REST APIs.
• Experience with version control systems (e.g., Git).
• Basic knowledge of unit testing (e.g., JUnit).

Preferred Skills:

• Familiarity with Microservices and cloud platforms.
• Experience with Docker and containerization.

Review Criteria

• Strong Senior Backend Engineer profiles
• Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
• Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
• Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
• Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
• Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
• Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
• (Company) – Must have worked in product companies / startups, preferably Series A to Series D
• (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred

Role & Responsibilities

As a Founding Engineer at company, you'll join our engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reporting—directly impacting how businesses manage their revenue operations.

This role is perfect for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems need creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.

Key Responsibilities-

• Build core platform features: Develop robust APIs, services, and integrations that power company’s billing automation and revenue recognition capabilities
• Work across the full stack: Contribute to both backend services and frontend interfaces, ensuring seamless user experiences
• Implement critical integrations: Connect company with external systems including CRMs, data warehouses, ERPs, and payment processors
• Optimize for scale: Build systems that handle complex pricing models, high-volume usage data, and real-time financial calculations
• Drive quality and best practices: Write clean, maintainable code while participating in code reviews and architectural discussions
• Solve complex problems: Debug issues across the stack and work closely with teams to address evolving client needs

The Impact You'll Make-

• Power business growth: Your code will directly enable billing and revenue operations for fast-growing B2B companies, helping them scale without operational bottlenecks
• Build critical financial infrastructure: Contribute to systems handling millions in transactions while ensuring accurate, compliant revenue recognition
• Shape product direction: Join during our scaling phase where your contributions immediately impact product evolution and customer success
• Accelerate your expertise: Gain deep knowledge in financial systems, B2B SaaS operations, and enterprise software while working with industry veterans
• Drive the future of B2B commerce: Help create infrastructure powering next-generation pricing models from usage-based to value-based billing.

About Us

Aura is developing a platform to help companies/communities mint, buy, trade and sell NFTs in the easiest manner possible. Developing a state of the art store front customized to the community and a user friendly interface to unlock the digital growth of companies in the gaming, art, music, etc space by leveraging the power of NFTs. We are assembling a high performing team from the tech ecosystem to build this product and compete with the likes of NBA TopShot.

Requirements:

• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions

Skills and Qualifications:

• 2+ years of experience in Node.js. Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Good understanding of server-side CSS preprocessors, such as LESS and SASS
• 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
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of security principles
• Understanding of “session management” in a distributed server environment
• Must have an understanding of SQL and NoSQL databases like Postgres, MySQL, Mongodb etc.
• Must have an understanding of Cloud: AWS or GCP
• Must have a good understanding of data structures and Algorithms

Benefits:

• Work on the cutting edge of blockchain technology and the upcoming use-case of NFTs (Non Fungible Token)
• Be a part of an early stage startup with funding from founders of Polygon

P.S. The website to our company is  https://auranft.co/

Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis.

Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyze medical images and create 2.0 of advanced radiologist reporting.

We are backed by YCombinator and other marquee investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.

Join us, if you find this as exciting as we do!

Description:

Synapsica is looking for a Node.js/Python developer who is passionate about designing and implementing scalable solutions with highest quality. You will be responsible for creating high performance, responsive, and secure server-side programs to manage Synapsica platform. You will be responsible for designing, managing and supporting cloud platform and scaling our database. This role is ideal for you if you have a background in bakcned development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.

Responsibilities:
- Design and development of our new platform modules from scratch. 
- Hands on implementation of our APIs and integrations. 
- Design, scaling and integration of new/existing databases.
- Ensuring the entire stack is designed and built for speed and scalability
- Design and construction of our REST APIs with best secutiry mechanisms.
- Design and implementation of continuous integration and deployment pipelines in tandem with the respective team members.
- Performance tuning and improvements in large scale systems.
- Ensuring responsiveness and cross-platform compatibility of applications.
- Owning and delivering end-to-end products, features, enhancements.

Requirements:
- Degree in Computer Science or related discipline with strong competencies in data structures, algorithms, and software design
- At least 4+ years of experience with writing Python/NodeJS/PHP/Ruby on Rails. 
- Prior experience of database design and management in MongoDB, including being up on the latest practices and associated versions.
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amount of data.
- Familiarity with AWS (or equivalent) ecosystem with end-to-end cloud deployment.
- Experience implementing code level unit tests.
- Proficiency with Git / Version control.
- Appreciation for clean and well documented code
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
- Very high sense of ownership.
- Deep interest and passion for technology

Software Engineer - II (Backend)

As a Software Engineer – II, you'll bring a good understanding of design and coding practices and apply these independently in development. In this role - you could expect to:

• Own the lifecycle of a feature from requirement analysis to deployment and post production processes
• Perform code reviews and support your team implement best practices
• Explore trade off's on module designs
• Continuously improve performance metrics of modules owned. Performs RCAs and deploys long term fixes.
• Implement initiatives that improve engineering efficiency and excellence
• Participate in the hiring and interview process for junior developers on your team

You Will:

• Lead, coach and mentor a team of 8-10 engineers so they all learn, grow, and succeed.
• Plan and prioritize work for your team, including collaborating with cross border teams.
• Provide oversight and accountability for technical decisions.
• Create an inclusive environment that attracts and retains high-performing engineers.
• You will collaborate with Developers, Program Managers, QA and Devops Engineers in an agile development environment.
• Constantly learn and grow as an engineer and an engineering leader.
• Demonstrate a passion for customers and technology.


You must have:

• Experience in the design, development, and deployment of large-scale enterprise applications with multiple tiers
• Exposure on agile test-driven development for robustness, usability, reliability, security and performance.
• Strong technical aptitude for any programming language, preferred, Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc.
• Experience of creating architecture or developing web services using Open source technologies and to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra
• Solid understanding of OOPS, algorithms and data structures.
• Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful.
• Experience in building highly scalable distributed systems
• Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred)

Big Pluses if you:

• Have a strong focus on business outcomes
• Are comfortable with collaboration, open communication and reaching across functional borders
• Are self-motivated and can get things done
• Have the ability to communicate and defend your ideas clearly
• Have a strong knowledge of threading, concurrency, scaling, and high availability.
• Have a desire to build products that users love

• Stay current with new and evolving technologies via formal training and self-directed education

Job Title : Sr Java Developer

Job Description 

We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs. 
  Roles and responsibilities? 

• Design, develop and implement software programming applications.
• Build highly scalable product.
• Participate in gathering business requirements and assessing existing architectures and resources.
• Work with application development team in delivering the project and deliverable within time and with good quality.
• Perform unit testing, oversee quality assurance of applications through system testing.
• Establishes processes for performance and conducts code review.
• Manage and mentor junior members of the team on good coding practice

Skills and experiences would I bring into this role? 

1. E/ B.Tech / MCA in computer science or a related field
2. 4+ Years of Java/J2EE work experience.
3. Object-Oriented design, patterns, algorithms, data structures
4. Well knowledge about Spring Hibernate framework.
5. Exposure to React JS / Angular JS.
6. Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
7. Experience in Web services (REST or SOAP)
8. End to end web development experience is highly preferred
9. Good understanding of unit testing methodologies.
10. Good analytical and communication skills
11. Startup work culture mindset.