
- Min 5 years of software development experience, with a Bachelor's degree in Computer Science or related field.
- Proficiency in a Go programming language
- Strong software development fundamentals (Data structures, Algorithms, problem-solving, OO design, systems architecture, and development methods).
- Excellent verbal and written communication skills, and interpersonal skills. Self-motivated attitude with the ability to multitask, learn and thrive in a timeline-driven environment
- Good understanding of memory/SQL/NoSQL database concepts (key-value, schemas, indexing, etc)
- Writing scalable, robust, testable, efficient, and easily maintainable code
- Translating software requirements into stable, working, high-performance software
- Playing a key role in architectural and design decisions, building toward an efficient microservice distributed architecture
Skills
- Strong knowledge of Go programming language, paradigms, constructs, and idioms
- Knowledge of common Goroutine and channel patterns
- Experience with the full site of Go frameworks and tools, including:
- Dependency management tools such as Godep, Sltr, etc.

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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
● Familiarity with Mirth Connect for building, managing, and supporting integrations
● 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
● Ready to be a tech-agnostic engineer and comfortable to shift on any tech stack (Java, Node, Python etc)
● Comfortable working with AI (Claude code, Cursor etc)
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
Job Details
- Job Title: SDE-3
- Industry: Technology
- Domain - Information technology (IT)
- Experience Required: 5-8 years
- Employment Type: Full Time
- Job Location: Bengaluru
- CTC Range: Best in Industry
Role & Responsibilities
As a Software Development Engineer - 3, Backend Engineer at company, you will play a critical role in architecting, designing, and delivering robust backend systems that power our platform. You will lead by example, driving technical excellence and mentoring peers while solving complex engineering problems. This position offers the opportunity to work with a highly motivated team in a fast-paced and innovative environment.
Key Responsibilities:
Technical Leadership-
- Design and develop highly scalable, fault-tolerant, and maintainable backend systems using Java and related frameworks.
- Provide technical guidance and mentorship to junior developers, fostering a culture of learning and growth.
- Review code and ensure adherence to best practices, coding standards, and security guidelines.
System Architecture and Design-
- Collaborate with cross-functional teams, including product managers and frontend engineers, to translate business requirements into efficient technical solutions.
- Own the architecture of core modules and contribute to overall platform scalability and reliability.
- Advocate for and implement microservices architecture, ensuring modularity and reusability.
Problem Solving and Optimization-
- Analyze and resolve complex system issues, ensuring high availability and performance of the platform.
- Optimize database queries and design scalable data storage solutions.
- Implement robust logging, monitoring, and alerting systems to proactively identify and mitigate issues.
Innovation and Continuous Improvement-
- Stay updated on emerging backend technologies and incorporate relevant advancements into our systems.
- Identify and drive initiatives to improve codebase quality, deployment processes, and team productivity.
- Contribute to an advocate for a DevOps culture, supporting CI/CD pipelines and automated testing.
Collaboration and Communication-
- Act as a liaison between the backend team and other technical and non-technical teams, ensuring smooth communication and alignment.
- Document system designs, APIs, and workflows to maintain clarity and knowledge transfer across the team.
Ideal Candidate
- Strong Java Backend Engineer.
- Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)
- Must have been SDE-2 for at least 2.5 years
- Hands-on experience with RESTful APIs and microservices architecture
- Strong understanding of distributed systems, multithreading, and async programming
- Experience with relational and NoSQL databases
- Exposure to Kafka/RabbitMQ and Redis/Memcached
- Experience with AWS / GCP / Azure, Docker, and Kubernetes
- Familiar with CI/CD pipelines and modern DevOps practices
- Product companies (B2B SAAS preferred)
- have stayed for at least 2 years with each of the previous companies
- (Education): B.Tech in computer science from Tier 1, Tier 2 colleges
Responsibilities
-
Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo
-
Binding of UI elements to JavaScript object models
-
Creating RESTful services with Node.js
-
Architect scalable web architectures
-
Work in a cross-functional team to deliver a complete user experience
-
Create Unit and Integration tests to ensure the quality of code
-
Be responsive to change requests and feature requests
-
Write code that is cross-platform and cross-device compatible
-
Ability to wear many hats and learn new technologies quickly
Role: Sr. Java Developer
Experience: 6+ Years
Location: Bangalore (Whitefield)
Work Mode: Hybrid (2-3 days WFO)
Shift Timing: Regular Morning Shift
About the Role:
We are looking for a seasoned Java Developer with 6+ years of experience to join our growing engineering team. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, and cloud-based deployment using AWS or DevOps tools. This is a hybrid role based out of our Whitefield, Bangalore location.
Key Responsibilities:
- Participate in agile development processes and scrum ceremonies.
- Translate business requirements into scalable and maintainable technical solutions.
- Design and develop applications using Java, Spring Boot, and Microservices architecture.
- Ensure robust and reliable code through full-scale unit testing and TDD/BDD practices.
- Contribute to CI/CD pipeline setup and cloud deployments.
- Work independently and as an individual contributor on complex features.
- Troubleshoot production issues and optimize application performance.
Mandatory Skills:
- Strong Core Java and Spring Boot expertise.
- Proficiency in AWS or DevOps (Docker & Kubernetes).
- Experience with relational and/or non-relational databases (SQL, NoSQL).
- Sound understanding of Microservices architecture and RESTful APIs.
- Containerization experience using Docker and orchestration via Kubernetes.
- Familiarity with Linux-based development environments.
- Exposure to modern SDLC tools – Maven, Git, Jenkins, etc.
- Good understanding of CI/CD pipelines and cloud-based deployment.
Soft Skills:
- Self-driven, proactive, and an individual contributor.
- Strong problem-solving and analytical skills.
- Excellent communication and interpersonal abilities.
- Able to plan, prioritize, and manage tasks independently.
Nice-to-Have Skills:
- Exposure to frontend technologies like Angular, JavaScript, HTML5, and CSS.
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
- Solving complex performance problems and architectural challenges
- Building reusable code and libraries for future use
- Building efficient, testable, and reusable Node JS modules
- Building high performance frontend applications with react
- Responsible for End-to-end ownership of modules, including designing, development, validation, deployment
- Understanding fully synchronous behavior of Nodejs
- Familiarity with Workers/child processes & performance tuning
- Experience with SQL/NoSQL databases and their declarative query languages (MySQL, and MongoDB)
- Strong knowledge of the common Node Js & React or web server exploits and their solutions
What you need to have:
- A Bachelor's degree in Computer Science, or related technical discipline
- 1 to 3 years of Software Development experience
- Deep hands-on technical experience in object-oriented design, data structures, algorithm design, and complexity analysis
- Experience with full software lifecycle methodology, including; coding standards, code reviews, source control management, build processes, testing, and operations
- Ability to identify, empathize with and delight the customer
- Comfortable working with different Technologies across all of them as and when needed
- Strong knowledge on technologies/frameworks that we work on - Microservices Architecture, Python, Rest/gRPC, Node.js, MySQL, Postgres, AWS, ReactJS, React Native, Kubernetes.
• Bachelor’s degree in Computer Science or IT related field
• 4-6 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. JavaScript, Typescript, NodeJS (Express, NestJs, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Agile Methodologies (Scrum, TDD, BDD, etc.)
f. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
g. Data Structures and Algorithms using Javascript, Typescriptand/or other Programing Languages
h. Strong organizational skills
i. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Design Patterns and implementing the Design Patterns
c. Development of Complex Application and System Architectures
d. NoSQL Databases (Redis, Mongo, etc.)
e. Full stack development
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (Java, Python, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Secure Development based on OWASP standards
• Bachelor's degree in computer science, computer engineering, or related field.
• Proficiency with TypeScript, CSS, HTML, and Back-end languages.
• 6+ years’ experience in Node JS, Typescript, NoSQL, RDBMS, AWS Services
• The ability to learn new technologies quickly
• The ability to communicate complex procedures to other colleagues.
Responsibilities
• Understand the high-level product roadmap for the squad and immediate features
to be developed, contributing to high-level estimation and lay-out of the
development sequences. Complete complex development tasks with minimal
guidance
• Constantly and actively contribute to pushing code to production with the objective
of becoming a main contributor. Write testable, efficient, and reusable code suitable
for continuous integration and deployment, that respects best practices and industry
development standards
• Review Unified Modeling Language (UML) diagrams and technical documentation,
ensuring its quality. Enable best practices to help the team achieve their technical
tasks and continually thrive in improving the technology of the product/team.
• Drive the adoption of best practices & regular participation in code reviews, design
reviews, architecture discussions
• Experiment with new and relevant technologies, and tools, and drive innovation &
adoption while measuring yourself on the impact you can create.
• Implementation of long-term technology vision for your team. Responsible for the
complete architecture of your product.
• Creating architecture & designs for new solutions around existing/new
areas u Decide technology & tool choices for your team & be responsible for them.
• Be accountable for code quality with the assistance of a QA Analyst to conduct
adequate testing.
• Review and contribute to technical documentation. Contribute actively to the design
of the solution, challenging other members on technical decisions.
Skills
• Working with other TypeScript developers and software engineers to develop Frontend and back-end architecture that’s well-structured and flexible, along with the
APIs to support it.
• Developing and implementing Back-end architecture to support user interface
concepts. Developing and implementing highly responsive user interface
components using Node concepts.
• Create data visualization tools, libraries, and reusable code for prospects.
• In-depth knowledge of TypeScript, CSS, HTML, and back-end languages.
• Knowledge of Backend service like AWS Services, Microservice, Serverless software.
Why you should join us
- You will join the mission to create positive impact on millions of peoples lives
- You get to work on the latest technologies in a culture which encourages experimentation - You get to work with super humans (Psst: Look up these super human1, super human2, super human3, super human4)
- You get to work in an accelerated learning environment
What you will do
- You will provide deep technical expertise to your team in building future ready systems.
- You will collaborate in a highly cross functional team, providing engineering perspective to non technical members of the team
- You will help develop a robust roadmap for ensuring engineering operational excellence
- You will establish clean and optimised coding standards that are well documented
- You will author efficient, reliable and performant systems
- You will design systems, frameworks and libraries that work at scale, are easy to maintain and provide a great developer experience
- You will be agile and curious about customer problems and business objectives
- You will actively mentor and participate in knowledge sharing forums
- You will work in an exciting startup environment where you can be ambitious and try new things :)
You should apply if
- You have a strong foundation in Computer Science concepts and programming fundamentals
- You have been working on backend web technologies since 8+ years
- You have built and maintained reliable systems that operate at high scale
- You’re experienced in building and running cloud-native platforms & distributed systems
- Extensive experience in any web stack (we use Typescript / AWS / DynamoDB / PostgreSQL)
- You understand the hustle of a startup and are good with handling ambiguity
- You are data driven, have customer empathy and enjoy building delightful applications
- You are curious, a quick learner and someone who loves to experiment
- You insist on highest standards of quality, maintainability and performance
- You work well in a team to enhance your impact
● 3-6 Years of experience with a Bachelor’s/Master's degree in Computer Science, Math, or related
technical domain
● Skilled in software development lifecycle, and designing and developing large-scale, multi-tiered,
distributed software applications, tools, systems or services using Object Oriented Design,
distributed programming, Java, Python, Node.js.
● Knowledge of ORM tools like Hibernate, JPA.
● Good knowledge of one or more relational and NoSQL databases
● Experience in deployment of microservices over Amazon Web Services
● Experience in delivering quality products using microservices architecture.
● Knowledge of Agile methodologies & best practices for the full software development life cycle,
including coding standards, code reviews, source control management, build processes, testing,
and operations
● Strong hold on Data Structure, Problem solving skills
To succeed at Zest, you will need
● Ability to operate and communicate with every business unit and level of hierarchy
● High levels of energy and enthusiasm for all that you do
● Be someone who does not take “no” for an answer and pushes for continuous innovation and
evolution
● Have extremely high standards in everything you do – you will be required to keep raising the bar
● Ability to think big and to inspire a vision in others
● Kindness, warmth and a positive, optimistic attitude
And what do you get in return?
● Opportunity to be part of one of the most exciting consumer growth stories in the world
● One of the best funded and most far advanced companies in the space (investors are leading
global VCs)
● We will teach you all you need to know about “Fintech”
● Endless amounts of learning and development – formal and informal
● Ability to work with some of the best, nicest and most passionate people in the digital lending
industry – from all over the world
● Founders with the right vision and motivation to make this a success story
● Freedom to work how you like (we do not do ‘facetime’)
● A culture of trust and honesty – we will not second guess you
● A flat structure with minimal politics or hierarchy
● Recognition and respect for your work
● Market beating compensation and Equity ownership for the best candidate
● Lunch, great healthcare, decent coffee and a nice office.









