Software Developer

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.

Company Description

NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.

Responsibilities:

● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications 

● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions 

● Code Reviews: Participate in code reviews to maintain high-quality standards 

● Troubleshooting: Debug and resolve application issues in a timely manner 

● Testing: Develop and execute unit and integration tests to ensure software reliability

● Optimize: Identify and address performance bottlenecks to enhance application performance 

Qualifications & Skills:

● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA 

● Familiarity with RESTful APIs and web services 

● Proficiency in working with relational databases like MySQL or PostgreSQL 

● Practical experience with AWS cloud services and building scalable, microservices-based architectures

● Experience with build tools like Maven or Gradle 

● Understanding of version control systems, especially Git 

● Strong understanding of object-oriented programming principles and design patterns 

● Familiarity with automated testing frameworks and methodologies 

● Excellent problem-solving skills and attention to detail 

● Strong communication skills and ability to work effectively in a collaborative team environment 

Why Join Us? 

● Opportunity to work on cutting-edge technology products 

● A collaborative and learning-driven environment 

● Exposure to AI and software engineering innovations 

● Excellent work ethic and culture 

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you

Location & Work Model:

• Position: Contract to hire
• Bangalore -  Marathahalli; 
• Work mode - Work from Office; all 5 days
• Looking for immediate joiners

Technical Requirements:

• Strong experience in Java Backend Development
• Proficiency in both SQL & NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL)
• Basic knowledge of DevOps tools (CI/CD pipeline)
• Familiarity with cloud providers (AWS, GCP)
• Ability to quickly learn and adapt to emerging technologies, including AI-driven tools, and automation solutions
• Strong problem-solving mindset with an interest in leveraging AI and data-driven approaches for backend optimizations

Soft Skills & Mindset:

• Strong communication & articulation skills
• Structured thought process and a logical approach to problem-solving
• Interest & willingness to learn and adapt to new technologies

This is a fully remote opportunity

About Us:

We at Ascendeum provide Data and AdTech strategy consultation to businesses worldwide. We started our journey with private funding and has been operating profitably since 2015. We are a lean team of 50+ highly productive and smart people spread across various parts of India who have been consistently delivering intelligent solutions that enable enterprise-level websites and apps to maximize their digital advertising returns.

Job Details:

We are looking for an analytical, results-driven Back-end Engineer who holds a passion to troubleshoot and improve current back-end applications and processes. The Back- end Developer will use his or her understanding of programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems, and create a more seamless experience for users.

Job Responsibilities:

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Recording data and reporting it to proper parties, such as clients or leadership.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team
• members.
• Taking lead on projects, as needed.

Desired Skills and Experience:

• Bachelor’s degree in computer programming, computer science, or a related field.
• Solid experience specializing in developing and managing back-end systems for enterprise-grade applications.
• Strong command on Python and databases such as MySQL.
• Strong understanding of the web development cycle and programming
• techniques and tools.
• Focus on efficiency, user experience, and process improvement.
• Excellent project and time management skills.
• Strong problem solving and verbal and written communication skills.
• Ability to work independently or with a group.

About the role: We’re looking for a Node.Js Developer who can adapt to new tech stacks and innovate with cutting-edge technology solutions, to build eCommerce platforms that are unique, disruptive, and powerful.

What you'll do:
● Integrate user-facing elements developed by front-end developers with server-side logic
● Write reusable, testable, and efficient code
● Design and implement low-latency, high-availability, and performant applications
● Implement security and data protection integrations
● Integrate data storage solutions such as databases, key-value stores, blob stores, etc.
● Optimize components for maximum performance across a vast array of web-capable devices and browsers
● Ensure high performance and responsiveness to requests from the front-end.

What you'll need:
● Bachelor's degree with minimum 3 years of work experience as a Node Js.
● Strong proficiency in JavaScript or Typescript
● Understanding of Node.js and its frameworks such as Express or StrongLoop
● Understanding of the nature of asynchronous programming and its quirks and workarounds
● Basic understanding of front-end technologies, such as HTML5, and CSS3
● Understanding of accessibility, security compliance, user authentication and authorization between multiple systems, servers, and environments
● Understanding fundamental design principles behind a scalable application
● Understanding of code versioning tools, such as GIT
● Integration of multiple data sources and databases into one system
● Understanding of the differences between multiple delivery platforms, such as mobile and desktop and its optimization output
● Knowledge on creating database schemas that represent and support business processes
● Knowledge on implementing automated testing platforms and unit tests

Who Should Consider Joining:
● If you like challenges and think from a first principle basis,
● If you are driven to take ownership and are adept at rolling with the punches,
● If you have the aspiration to grow fast in the dynamic environment of a start-up,
● If you are a collaborative team member, who believes in collective success,
● If you are someone who makes objective, fact-based decisions

Who should not consider joining:
● If the role description does not excite you, then you should not join us
● We are a startup and things will move fast. If you are not comfortable in a fast-paced environment, then you should not join us
● If you are not a self-starter who is willing to learn & experiment more, then you should not join us.

What We Offer:
● Limitless growth and learning opportunities
● Exposure to cutting edge technology solutions and upcoming stacks in the market
● In house technical training on GIT, Automated Testing, Code Coverage, Language Training and much more
● A collaborative and positive culture — Your team will be as smart and driven as you.
● Guidance and mentorship from industry experts and renowned IIT Alumnus
● An opportunity to make an impact — Your work will contribute directly to our strategy and growth

• 5 to 8 years of hands-on experience in automating MS Office applications like Excel, Word, PPT and Outlook using VBA
• 5 plus years of experience in the design, development, and implementation of programming code
• Experience in database development
• VBA - Should have good experience in developing efficient logic/algorithms using VBA
• Solid understanding of SDLC concepts
• Solid experience in MS Excel (2003, 2007, 2010, 2013,2016)
• Must be good at all excel features and excel formulas
• Well versed with complete MS Office package (Excel, Word, Outlook, PPT)
• Work both independently and as part of a team
• Experience in requirements gathering, effort estimate, designing and implementation, and creating mock-up screens
• Experience in databases like MS SQL Server(2005 to 2012,2014), MySQL, and MS Access
• Must have strong database concepts and DB designing skills
• SQL - must be good at writing efficient, fine-tuned queries using joins and aggregates
• Experience in writing Stored procedures, Triggers and T-SQL
• Nice to have programming knowledge in C# coding should be MANDATORY
• working with C# DLL development and integration with Excel VBA

Interpersonal

• Strong analytical and problem-solving skills
• Excellent interpersonal and communication skills
• Should be able to take complete ownership of the project from requirements gathering to delivery and maintenance
• Should be able to work independently
• Must be Proactive and Self-motivated
• Must have the ability to prioritize the work, execute tasks and meet the deadline without fail
• Effective time management skills
• Customer Focus, Willing to learn and self-teach any new technology
• Strong business and collaboration skills, and responsive to service needs and operational demands

• Owns team's output and E2E definition and execution of SDLC. Drives sprint planning, estimates & prioritizes tasks, Keeps key stakeholders updated on progress, milestones, and any potential slippages.
• Identifies pitfalls across codebases proactively. Writes model code that is looked up to. Understands internals of programming languages & runtimes. Creates common reusable components/libraries- Uses advanced data structures.
• Designs API contracts between large systems with end-to-end service design and active leadership towards long-term sustainability including versioning, complex migration plans, impact analysis across products.
• Owns NFRs and pushes the envelope on performance, scalability, and high availability with cognizance towards the cost of infra. Drives tech stack selection independently, mentors junior engineers. Evangelises of generic platform building across the organization.
• Troubleshoots unseen issues across codebases. Solves large end-to-end cross-cutting problems with elegant solutions with an eye on long-term sustainability.
• Partners with and influences product managers on “how”. Leads the pack on hiring and evangelizes steeper hiring standards towards building an A+ team. Represents company on external platforms/conferences.

Qualifications:

• Bachelor's Degree in Computer Science or similar discipline
• 7+ years relevant work experience in software engineering while leading teams.
• Proficiency in more than one modern programming language such as Python (preferred) associated tech stack to write maintainable, scalable, unit-tested code
• Experience in building complex software systems that have been successfully delivered
• Should be strong with System Design and Database designing
• Deep understanding of design patterns, optimizations, deployments with Strong object-oriented design skills
• Experience mentoring other software engineers.
• Experience with full life cycle development in any programming language

Today, MoEngage is an industry pioneer in the space and engages more than 350M devices. This includes approximately 40B events tracked per month, 30B+ messages sent, to millions of users across the globe.

As part of the Engineering team at MoEngage, here are some things you can expect:

• Take ownership and be responsible for what you build - no micro management
• Work with A players (some of the best talent in the country), and expedite your learning curve and career growth
• Make in India and build for the world at scale of 350M active users, which no other internet company in the country has seen
• Learn together from different teams on how they scale to millions of users and billions of messages. 
• Explore the latest in topics like Data Pipeline, MongoDB, ElasticSearch, Kafka, Spark, Samza and share with the team and more importantly have fun while you work on scaling MoEngage.

Skills required:

- Minimum 2 year experience in Android Development

- Good understanding of Java Programming language

    - OOPs concepts

    - Multi-threading

- Good understanding of Android Framework

    - Framework Components

    - Data Storage/Persistence

    - Offline support for application

    - Rest APIs

Good to Have:

- Knowledge and understanding of Kotlin

- Experience in building dynamic UI

- Knowledge of hybrid frameworks like React-Native/Cordova/Xamarin/Flutter, etc.