
● Overlook development of all consumer products in JAVA Lead a team of 4-5 developers
● Optimise components for maximum performance across a vast array of web-capable devices
and browsers Focus on code maintainability and performance of application
● Provide technical advice and assists in solving programming problems
● Continuously create new and interactive features that would help to improve user experience
and user engagement.
● Assist with troubleshooting of issues as needed Lead the design and architecture of software
solutions Assist in developing and maintaining continuous integration pipelines
Requirements
● 6+ years of experience in Java based technologies Experience in designing databases and
system architecture
● Experience in building products from scratch
● Experience in building fintech products like Insurance, Payments, Banking etc.
● Experience in building products for scale
● Strong interpersonal skills
● Good in multi stakeholder collaboration

About OneCode
About
About Us:
At OneCode, we are redefining the way India earns. We are bringing fintech to the untapped Bharat of 500 million online users. We are building the largest network of trusted agents via a platform that connects consumers to financial brands with the power of technology. Alongside providing a source of income to the largest unemployed sector.
Challenges:
- Lack of awareness - Consumers are unaware of the best financial solutions in the market.
- No proper medium - Fintech brands find it difficult to reach out to the right consumers in tier 2,3 & 4 cities.
- Trust deficit - Unlike an urban user, consumers from rural areas lack trust in modern fintech services & products
The rise of OneCode
- April 2019, Founded by Manish Shara & Yash Desai
- August, 2020, Raised Seed Funding led by Waterbridge Ventures
- July 2021, Raised $5 M led by Sequoia’s Surge, Nexus Venture Partners & renowned Angel investors.
- March 2022, Raised $13M in Series A round led by General Catalyst & renowned Angel investors.
Investors who trust our mission
- Kunal Shah - Co Founder, CRED
- Kalyan Krishnamurthy- CEO Flipkart
- Harshil Mathur - Co Founder, Razorpay
- Vidit Aatrey - Founder & CEO, Meesho
- Sujeet Kumar - Co Founder, Udaan
- Lalit Keshre - CEO, GROWW
- Gaurav Munjal - Co-founder & CEO, Unacademy
- Aakrit Vaish - Co-founder & CEO, Haptik
- Jitendra Gupta - Founder, Jupiter
- Amrish Rau - CEO PineLabs
- Gokul Rajaram - Product & Business, Doordash
Why OneCode
- High-end Technology
- Make in India
- Accelerated Growth
- Build for next Billion users
- Fast pace & Innovation
- Opportunity to Strive
Culture:
- Flat hierarchy
- Flexible working hours
- Open leave policy
- Peer group
Perks:
- Insurance
- Game Club
- Jamborees
- Wellness
Connect with the team
Company social profiles
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We are seeking a passionate and skilled Java Technical with 7 to 12 years of experience in product development and team leadership. As a key member of our global software development team, you will be responsible not only for solving complex technical problems but also for leading and mentoring engineers, driving the design of scalable systems, and ensuring high-quality delivery across projects.
Experience in leading development teams, managing end-to-end project delivery, and working directly with clients to translate business problems into technical solutions is essential.
Key Responsibilities:
- Lead the design, development, testing, and deployment of scalable Java applications.
- Break down client/business problems and define clear technical tasks for the team.
- Provide technical guidance and mentorship to team members throughout the development lifecycle.
- Collaborate with cross-functional teams to deliver new features and enhancements.
- Participate in and lead code reviews, ensuring adherence to best practices and maintaining code quality.
- Own and drive the architecture and design discussions for new modules and systems.
- Ensure timely delivery of project milestones and proactively resolve technical blockers.
- Evaluate and integrate new tools and technologies to improve efficiency and product quality.
- Serve as the primary technical point of contact for your team and stakeholders.
Required Skills:
- 7+ years of hands-on experience in Java development.
- Proven experience in building products or applications from scratch (not just maintenance/support).
- Strong object-oriented programming skills and hands-on experience with Spring, Spring Boot, Hibernate, etc.
- Solid understanding of system architecture, design patterns, and microservices architecture.
- Experience in leading small to mid-sized teams and managing technical delivery.
- Proficiency in data structures, algorithms, and performance optimization.
- Strong communication and stakeholder management skills.
- Experience working with RESTful APIs and cloud platforms such as AWS, Azure, or GCP is a plus.
- Good understanding of SQL and NoSQL databases.
- Strong debugging, troubleshooting, and problem-resolution skills.
Desired Attributes:
- Excellent problem-solving and decision-making skills.
- High levels of ownership, accountability, and self-drive.
- Strong team leadership and collaboration abilities.
- Proactive attitude and commitment to engineering excellence.
- Recognitions or awards in previous roles are a big plus.
- Passion for continuous learning, coaching others, and improving team capabilities.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1500+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
Requirements:
- Knowledge of PHP web frameworks including Yii, Laravel, or CodeIgniter.
- Knowledge of front-end technologies including CSS3 JavaScript, and HTML5
- Understanding of object-oriented PHP programming.
- Previous experience creating scalable applications.
- Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
- Familiarity with SQL/NoSQL databases.
- Ability to project manage.
- Good problem-solving skills.
Qualifications and Skills:
- Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience).
- Proven experience as a PHP Developer with a portfolio showcasing PHP development projects.
- Proficiency in PHP programming and experience with one or more PHP frameworks.
- Strong understanding of web development principles, HTML, CSS, and JavaScript.
- Familiarity with front-end libraries and frameworks (React, Angular, Vue. js) is a plus.
- Knowledge of database management systems (e. g. , MySQL) and SQL queries.
- Experience with version control systems (e. g. , Git) and collaborative coding workflows.
- Ability to work collaboratively in a team environment, communicate effectively, and provide constructive feedback.
- Problem-solving skills and the ability to debug and troubleshoot technical issues.
- Benefit from invaluable mentorship provided by seasoned leaders.
- Enjoy a vibrant atmosphere enriched with engaging games and activities.
- Receive quarterly rewards as a token of recognition for your valuable contributions.
- Immerse yourself in a creative and open culture that fosters innovation.
A SaaS startup founded in April 2020.
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers.
We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products
○ Spring
○ PostgreSQL
○ Redis ○ Docker
○ Message brokers
○ GitHub
● These non-functional areas are familiar to you
○ Performance
○ Debugging
○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for you?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
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.
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.
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.
Essential Responsibilities:
Demonstrate the understanding of Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
Work closely with your peers and keep engaging in a fast pace technical design and development team
Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
Maintain code quality through best practices, unit testing and code quality automation
Demonstrate the ability to make informed technology choices after due diligence and impact assessment
Help in designing interfaces and information exchange between modules
Articulate the need for scalability and understand the importance of improving quality through testing.
Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
Drive design reviews, define interfaces between code modules, and apply existing technology to designs
Be an expert in assessing application performance and optimizing/improving it through design and best coding practices
Desired Skills:
Java, Spring,Microservices
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen doctor-patient relationship and enhance the in-clinic experience.
As the Java Programmer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.
What you will do:
- Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
- Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
- Developing the Code as per the requirements
- Working with product team and constructing the tech roadmap
- Designing, building and scaling the company's backend microservices
- Maintaining code integrity and organization
- Applying all quality requirements to make the code production ready
- Developing and deploying new features to facilitate related procedures and tools if necessary
- Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
- Designing and building efficient, reusable, and reliable Java code
- Pro actively catching and fixing bugs, and providing support for the back end services
- Managing servers and infrastructure by keeping the lights on and refining the deployment architecture
What you need to have:
- Expert at hands on programming in JAVA and J2EE
- Must be from Product based companies (Should have developed Web Apps)
- Proven expertise in Java interfaces with MongoDB (or similar noSQL databases) as well as relational databases (mySQL, Postgres etc)
- Key contributor in atleast one 6+ months development project involving SpringBoot and Hibernate
- Strong understanding of application server infrastructure
- Good working knowledge of Maven based build systems
- Good understanding of build and deployment pipelines that involve ANT and Jenkins
- Proficient understanding of code versioning tools, such as Git or SVN
- Good knowledge of working on Rest APIs, Webservices
- Excellent problem-solving skills
- Hands on experience with Lucene/Solr
- Familiarity with DiagFlow based chat bot building
- Knowledge of NLP
- Learnt AI/ML systems
- Excellent interpersonal skills and the ability to build good working relationships.
- Must be self-motivated to prioritize and manage workload and meet critical project milestones and deadlines.
- Able to effectively collaborate with a team as well as take initiative and work independently to solve problems
We are an IIT Bombay incubated, early stage healthcare start up developing a mobile based Ai technology to help reduce health risks for women during their pregnancy. Our Founders are Harvard and Columbia University alums with extensive experience in digital health in the US and India.
Role: Back end developer ( Python + Flask/Django, Location Mumbai, Marol):
Must have:
- 1-4 years hands on experience in Core Python with preferably Flask framework for complex web and mobile applications.
- Deployment experience
- Must have experience with Mongodb, MySQL and AWS
- Experience in Redis, Aerospike
- Good command of API development and deployment ( G Unicorn, Supervisor, Jenkins) Algorithms, system design, OOPS concepts.
- Agility and flexibility to in start up environement with focus on customer, excellent communication skills, and high level of responsibility and responsiveness.
- Project management, scheduling, allocation and delivery.
- Proven experience in agile development, sprint planning and backlog management.
Good to Have:
Experience in Machine Learning, Dialogflow or Rasa for NLP,









