
Role
We are looking for an Associate Software Engineer - Java with experience in building high-performing, scalable, enterprise-grade applications.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure development is in compliance with specifications
- Prepare and produce releases of software components
Qualifications
- BSc/BE/BTech in Computer Science, Engineering, or a related field
- 2+ years Experience with Java
- Experience in Spring boot Framework
- Experience with REST- JSON, SOAP/XML is mandatory
- Proven working experience in Java development
- Experienced in Server Side Java, J2EE, Servlets, Spring/Spring boot, JAXB, JAX-WS, MySQL/PostgreSQL, Junit
- Knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).
- Hands-on experience in designing and developing applications using Java EE
- Platforms with Open Source Frameworks - Spring/Spring boot, XML, Integration with SOAP and RESTful Web Services, WS security.

About AJACKUS
About
Ajackus is a people-centric technology company that helps small to medium-sized businesses and digital startups grow faster. With 11 years of experience in creating purposeful impact, we assist clients in enhancing their technological capabilities by building highly efficient and accountable remote technology teams that use a patented architecture to create secure and scalable business solutions.
We’ve been recognized as a ‘Great Place To Work’ and are intentional about creating a diverse and flexible culture for our team. We believe in our values, our culture, and in providing a platform for every individual to share their suggestions and ideas through an ownership-based model. For our strong ethics and value system, we have been recognized by the Government of India under the 'Companies that Care' initiative.
Ajackus has team members working from every part of India, our hybrid work policy allows us the flexibility and choice to work from anywhere while being productive and efficient. We provide a lucrative bouquet of benefits that don't just focus on great compensation structure but cover the holistic perspective of an associate's life.
Our solutions have saved lives (Healthcare), brought transparency in commerce (Fintech), helped people with the assets for life (Real-Estate), and allowed people to build on top of what we have created (Open Source). Besides these, we have extensively explored emerging technologies like IoT, AI/ML, and worked in industries like electronics, telecommunication, e-commerce, mental health & wellness, travel, media & publishing, entertainment, etc.
Our philosophy is simple, we may not know all the answers, but we know how to find all answers. Come, join us, in this journey to create a true impact in the world!
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Role & Responsibilities
As a Founding Engineer, you'll join the 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 ideal for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems require 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 billing automation and revenue recognition capabilities.
- Work across the full stack: Contribute to backend services and frontend interfaces to ensure seamless user experiences.
- Implement critical integrations: Connect the platform with external systems including CRMs, data warehouses, ERPs, and payment processors.
- Optimize for scale: Design systems that handle complex pricing models, high-volume usage data, and real-time financial calculations.
- Drive quality and best practices: Write clean, maintainable code and participate in code reviews and architectural discussions.
- Solve complex problems: Debug issues across the stack and collaborate with cross-functional teams to address evolving client needs.
The Impact You'll Make
- Power business growth: Enable fast-growing B2B companies to scale billing and revenue operations efficiently.
- Build critical financial infrastructure: Contribute to systems handling high-value transactions with accuracy and compliance.
- Shape product direction: Join during a scaling phase where your contributions directly impact product evolution and customer success.
- Accelerate your expertise: Gain deep exposure to financial systems, B2B SaaS operations, and enterprise-grade software development.
- Drive the future of B2B commerce: Help build infrastructure supporting next-generation pricing models, from usage-based to value-based billing.
Ideal Candidate Profile
Experience
- 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems.
- Strong backend development experience using one or more frameworks: FastAPI / Django (Python), Spring (Java), or Express (Node.js).
- Deep understanding of relevant libraries, tools, and best practices within the chosen backend framework.
- Strong experience with databases (SQL & NoSQL), including efficient data modeling and performance optimization.
- Proven experience designing, building, and maintaining APIs, services, and backend systems with solid system design and clean code practices.
Domain
- Experience with financial systems, billing platforms, or fintech applications is highly preferred.
Company Background
- Experience working in product companies or startups (preferably Series A to Series D).
Education
- Candidates from Tier 1 engineering institutes (IITs, BITS, etc.) are highly preferred.
We are seeking a highly skilled Backend Developer to join our team and contribute to the development and improvement of both our customer-centric SaaS platform and internal systems. As a Backend Developer, you will be responsible for designing, implementing, and maintaining the server-side logic of our application, ensuring high performance, scalability, and security.
As a Backend Developer with expertise in Java, and PostgreSQL, you will play a critical role in developing and maintaining the backend infrastructure of our SaaS and internal platforms, ensuring its reliability, scalability, and performance. Join our team and be a part of building cutting-edge software solutions that empower our customers and drive business growth.
Responsibilities:
- Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
- Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
- Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
- Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
- Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
- Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
- Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
- Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
- Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
- Familiarity with SaaS concepts and architecture.
- Experience with API design and development, including RESTful APIs.
- Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
- Experience with version control systems, such as Git.
- Strong problem-solving and analytical skills, with keen attention to detail.
- Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
- Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory.
Purpose
To design, develop, test, and maintain integrated software applications, systems, and platforms
Responsible for ensuring that the software created is reliable, scalable, and secure
The candidate should use his/her expertise to maintain enterprise wide upstream and downstream integration
solutions that help organizations achieve their business goals and provide value to end-users
Key Accountabilities
Responsibilities will include but will not be restricted to:
Designing and developing solutions at middleware and integration layer
Ensure the best standards are followed for integrating with multiple upstream and downstream
applications
Documenting and Developing APIs which are fault tolerant, performance oriented and allow for publishing
across multiple sources
Ensure management of the interfaces on the WSO2 EI platform
Ensure continuous monitoring, troubleshooting, and debugging
Ensuring that the integrations development is part of the overall CI/CD pipeline
Working with stakeholders to ensure that integration solutions meet business requirements and are
delivered on time
Technical Requirements
A Bachelor’s degree in Computer science, software engineering, or any other equivalent field
Has 6+ years of experience in the field of software engineering or software development
Experience with WSO2 middleware technologies like WSO2 Enterprise Integrator (EI), WSO2 API Manager,
and WSO2 Identity Server
Experience in developing multiple type interfaces such as SOAP, REST, WebHooks, GraphQL and having
knowledge of working on changing one type to other
Software development skills including proficiency in a modern programming language such as
Java/C++/Python/Golang.
The ideal candidate should have worked on application development within an enterprise ecosystem.
The person should also have the necessary knowledge to connect to systems like mail, DB, external
systems, or APIs etc.
Ideally the person should have demonstrated creating common interfaces or adapters for interactions
between heterogeneous systems with least amount of code change or no code change at all on both the
integrating systems.
The person needs to be hands on and should be able to write code and review the code of teammates.
Desired Personal Qualities and Behavior
Excellent relationship management skills with the ability to engage, negotiate and manage key
stakeholders and suppliers.
Excellent communication, interpersonal and influencing skills.

Job Role: Java SpringBoot Developer
Job Description:
- Should have expertise in Core Java, Java & J2ee
- Built MVC based Web Application Using JSP/Struts framework
- Hands on experience of OOPS concepts, Hibernate and Spring version 3.x 1, Spring Boot
- Hands on experience of Application Servers like Tomcat and WebLogic.
- Hands on experience of Restful services and Web services
- Experience in deploying Spring boot in Micro services
- Good verbal and written communication
- Excellent team player, ability to work in a global team and follow through on deadlines
Primary Skills:
- Core Java, Java & J2ee
- Spring Boot
Primary Location: Pune
Description:
Responsibilities -
● The candidate is expected to lead one of the key business areas end to end. This is pure
hands on role but he/she may need to mentor junior person in the team.
● Requirement gathering with business and get this prioritized in the sprint cycle.
● Come up with Project Architecture design and get the same approved from Tech Review
committee.
● Ensure quality and timely delivery.
Technical and Professional Requirements-
Required Tech Skills
● Very Strong fundamental of OOPs programming
● Very Strong at Java fundamentals, Multithreading, Streams
● Good understanding of Data Structure
● Good knowledge of any distributed caching /computing framework/tools
● Good at SQL query/optimization
Nice To Have (willing to learn)
● AWS Lambda (Serverless), Redis, Kinesis , Big Data , Sparx , spring boot , NoSQL
database , React Js, JMS/SQS , AWS Cloud, nodejs, python
● Well versed with latest technology stack on server side programming
● Good to have business knowledge of Loan management.

- You will build cutting-edge secure and scalable systems by writing simple and efficient code.
- You will own the backend development for one or more of our modules and collaborate with architects, other engineers, and product managers to launch new products and/or iterate on existing features. You'll build and manage automated build/test/deployment environments
- Ensure high standards through code reviews, design reviews, architecture discussions
- You will ensure that the systems you oversee are secure, fault-tolerant, and are performing reliably at high volumes.
- Well-versed in data structures, algorithms, and software design. Programming experience with at least one of Java or Python and object-oriented design
- Knowledge of SQL, NoSQL databases, Messaging/Caching technologies, and AWS deployments is a plus
- Able to write unit integration tests with coverage of code & interfaces. TDD is a plus
- Exposure to the architecture and design (design patterns, security, reliability, and scaling) of new and current systems. Experience in building highly scalable business applications, which involve implementing large complex business flows involving multiple third-party integrations
- Prior startup experience is a plus
➢ Design, implement and enhance new components of the Livspace design
platform and content management platform
➢ Design new features for the e-commerce properties and front-end products
and mobile apps
➢ Maintain engineering infrastructure
➢ Have significant impact on current and future technology roadmap
➢ Contribute creatively in strategic products that will reach large audience
➢ Build a web product that users love.
Who you are:
➢ You earned B.Tech or equivalent degree in computer science or related
engineering field
➢ You have at least 3+ yrs of experience working with large scale web
products
➢ You can learn new technologies quickly
➢ You have strong communication and collaboration skills
➢ You have prior ownership of the delivery of an entire feature/subsystem
You know your way around these:
➢ Linux, Apache, MySQL and PHP
➢ Javascript, AngularJS, JQuery, HTML, CSS
➢ Object oriented programming with Java/Python/Ruby
➢ HTTP and REST web services







