Backend Developer

Key Responsibilities

• Design, develop, and maintain microservices and APIs running on GKE, Cloud Run, App Engine, and Cloud Functions.
• Build secure, scalable REST and GraphQL APIs to support Our Client front-end applications and integrations.
• Work with the GCP Architect to ensure back-end design aligns with enterprise architecture and security best practices.
• Implement integration layers between GCP-hosted services, AlloyDB, Cloud Spanner, Cloud SQL, and third-party APIs.
• Deploy services using Gemini Code Assist, CLI tools, and Git-based CI/CD pipelines.
• Optimize service performance, scalability, and cost efficiency.
• Implement authentication, authorization, and role-based access control using GCP Identity Platform / IAM.
• Work with AI/ML services (e.g., Vertex AI, Document AI, NLP APIs) to enable intelligent back-end capabilities.
• Collaborate with front-end developers to design efficient data contracts and API payloads.
• Participate in code reviews and enforce clean, maintainable coding standards.

Experience & Qualifications

• 6–8 years of back-end development experience, with at least 3+ years in senior/lead analyst roles.
• Proficiency in one or more back-end programming languages: Node.js, Python, or Java.
• Strong experience with GCP microservices deployments on GKE, App Engine, Cloud Run, and Cloud Functions.
• Deep knowledge of AlloyDB, Cloud Spanner, and Cloud SQL for schema design and query optimization.
• Experience in API development (REST/GraphQL) and integration best practices.
• Familiarity with Gemini Code Assist for code generation and CLI-based deployments.
• Understanding of Git-based CI/CD workflows and DevOps practices.
• Experience integrating AI tools into back-end workflows.
• Strong understanding of cloud security and compliance requirements.
• Excellent communication skills for working in a distributed/global team environment.

Senior Software Engineer (Backend) – Credit Cards Platform

Experience required - 5+ years

Job Location - Hyderabad & Ahmedabad

What you'll do:

· Perform complex application programming activities with an emphasis on mobile development: Node.js, TypeScript, JavaScript, RESTful APIs and related backend frameworks

· Assist in the definition of system architecture and detailed solution design that are scalable and extensible

· Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible

· Own the quality of code and do your own testing. Write unit test and improve test coverage.

· Deliver amazing solutions to production that knock everyone’s socks off

· Mentor junior developers on the team

What we’re looking for:

· Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.

· A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.

· A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.

· Flexible and willing to accept change in priorities, as necessary

· Demonstrable passion for technology (e.g., personal projects, open-source involvement)

· Enthusiastic embrace of DevOps culture and collaborative software engineering

· Ability and desire to work in a dynamic, fast paced, and agile team environment

· Enthusiasm for cloud computing platforms such as AWS or Azure

· Excellent written and verbal communications skills

Preferred Qualifications:

· Experience with Apache Cordova framework

· Demonstrable knowledge of native coding background in iOS, Android

· Experience developing and deploying applications within Kubernetes based containers

· Experience in Agile and SCRUM development techniques

Location: Bengaluru

Experience Required: 2+ Year

Employment Type: Full-time

About the Role

We are looking for a passionate and motivated ** Software Engineer** with hands-on experience in the Software development (MongoDB, Express.js, React.js, Node.js,sql)**. The ideal candidate should have strong coding skills, a good grasp of modern web development practices, and excellent communication and work ethics.

Key Responsibilities

- Develop and maintain scalable web applications using the (javascript,MongoDB, Express.js, React.js, Node.js,sql)

- Collaborate with cross-functional teams to define, design, and ship new features

- Write clean, efficient, and well-documented code

- Debug and resolve technical issues across the stack

- Participate in code reviews and contribute to team knowledge sharing

- Stay up to date with industry trends and emerging technologies

Required Skills & Qualifications

- 2+ year of professional experience as a Software Developer

- Proficiency in JavaScript, ES6+, and TypeScript (optional but a plus)

- Solid understanding of MongoDB, Express.js, React.js, and Node.js

- Experience with RESTful APIs and third-party integrations

- Familiarity with version control systems like Git

- Strong problem-solving and debugging skills

- Good communication skills and a team-player mindset

- Strong sense of ownership and work ethics

Preferred Skills

- Experience with cloud platforms like AWS, GCP, or Azure

- Familiarity with CI/CD pipelines and DevOps practices

- Exposure to testing frameworks like Jest, Mocha, or Cypress

-Prior experience working in a fintech company is a strong advantage.

How to Apply ?

Fill in the form below or

You can directly walk-in to our office in Bangalore

Date: 29-03-2025

Time: 10 Am to 12 Pm

Form link: https://forms.gle/PMJMUvz48pTPZeUu5

Location: Paywize Technologies Pvt. Ltd.

M.R Complex, 7th Cross, 6th Main Rd, BTM 2nd Stage, Bengaluru, Karnataka 560076

Join us and be part of the fintech revolution!

Context for the Candidates:

Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.

Key Discussion Points:

• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?

• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.

• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?

• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?

• Share best practices for gas optimization, contract upgradability, and backend scalability.

Evaluation Criteria:

1. Technical Knowledge:

• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.

• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).

• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.

2. Problem-Solving and Integration Skills:

• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.

• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.

3. Experience and Expertise:

• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.

• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.

4. Innovation and Critical Thinking:

• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.

• Discussion on the future potential of blockchain technology and how the tech stack can evolve.

5. Communication and Team Collaboration:

• Clear articulation of technical challenges and how to address them in a team setting.

• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.

Title: 

Node Js Developer

Ideal candidates will have 1-3 years of experience  in Node JS and AWS.

Responsibilities: 

• Translate application storyboards and use cases into functional applications
• Design, build and maintain efficient, reusable, and reliable Node JS code
• Ensure the best possible performance, quality, and responsiveness of applications
• Identify bottlenecks and bugs, and devise solutions to these problems, Help maintain code quality, organization, and automation.
• Triage and resolve complex + systemic issues reported on existing production systems
• Communicate effectively with  product owners, and development team members to facilitate understanding of deliverables, estimates, and prioritization
• Contribute to production deployments, including documentation of technical specifications and release notes
• Designs and develops quality software that conforms to department standards and code style
• Writing reusable, testable, and efficient code, create automated test cases following TDD/BDD best practices
• Maintain and enhance existing NodeJS codebase.
• Organize an agile development process that facilitates collaboration, provides transparency, empowers the project team, surfaces and resolves impediments,delivers high-quality software, focuses on delivering business value, and continuously looks to improve.
• Take on a championship role in on-time, high-quality delivery of products through the entire application lifecycle.

What will you work on?

• Architecting clever technical solutions
• Hands-on development using NodeJS and other Javascript frameworks
• Recommend technical frameworks and tech stacks
• Define REST, or GraphQL APIs, document APIs and develop the API handlers
• Design and develop with serverless and scalable systems
• Integrate with 3rd party systems
• Create architectural solution prototypes
• Lead the team, code reviews, and problem-solving

What Makes You A Great Fit?

• 1+ years of software experience with Node JS, Javascript frameworks related to webstack
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Experience with use of serverless functions from AWS
• Experience with architecture of technology systems having hands-on expertise in backend and cloud systems ( AWS, GCP)
• Expertise with NoSQL databases (Mongo, ElasticSearch, Redis) including design of schemas and development for these databases
• Knowledge of DevOps practices and CI/CD pipelines
• Experience in Microservice architecture and development including REST-based APIs.
• Highly collaborative with an affinity for solving complex problems through dialogue with team members.
• Curious, always seeking the whys and hows in order to gain a deeper and more complete understanding of the business and technology.
• Comfortable with ambiguity can begin to explore and solve complex problems when the problem and solution are not well-defined.
• Ability to multitask, switching between various projects/tasks of different natures and complexity with ease
• Knowledge of git based workflows such as gitflow
• Experience with Python in addition to the core knowledge of Node JS is a plus
• Chatbot, Machine Learning, Data Science/Big Data experience will be a plus
• Excellent communication skills, verbal and written

Competencies & Behavior

• Excellent communication and interpersonal skills
• Implement design thinking for different strategieS
• Attention to detail and the ability to work to tight deadlines
• Strong experience in cloud server infrastructure
• Ability to work on complex applications, perform product analysis, development tasks of complex web
• Jumping on a call with clients to understand the requirement and profile them the right solution, helping formulate an effective solution and turning it into a working application
• Conducting website performance and unit tests
• Heavy involvement in the requirements gathering, development and operational stages of new projects
• Troubleshoot and debug related application defects with existing and new applications
• Work collaboratively with the team members and train them as and when required.

• 3+ years of recent hands-on Java development
• Java, Python, JavaScript programming languages
• Fluency with RESTful APIs, AngularJS, HTML5 and CSS
• Great understanding of designing for performance, scalability, and reliability of data intensive application
• Understanding of database fundamentals and advanced SQL knowledge
• In-depth understanding of object oriented programming concepts and design patterns
• Ability to communicate clearly to technical and non-technical audiences, verbally and in writing
• Understanding of full software development life cycle, agile development and continuous integration
• Experience in Agile methodologies including Scrum and Kanban

What puts you over the top:

• Exposure to various technologies like Spring Boot, Microservices, Kubernetes and also some frontend technologies like React.js, Node.js or other UI frameworks.

●  Experience in AdTech or Programmatic

MUST HAVE GOOD EXPERIENCE IN SPRING BOOT, NODE JS, ANGULAR JS, REACT JS, JAVASCRIPT,JAVA, HTML/CSS.

• Working with the product team to develop new features focused on improving the user experience
• Improving existing features and working on streamlining client implementations through improved tools
• Improving our technical architecture and building out a continuous integration pipeline
• Modernizing our front-end in new frameworks
• Everything else - our team is small and you'll likely be involved in almost every tech-related thing going on
  
  

Requirements

• 1+ years of experience building consumer-facing web apps
• You are interested in the full-stack opportunity and love building a feature from start to finish
• Self-starter with a deep interest in tech - we want someone who will come in with opinions, and shape our engineering practices and decisions for the better
• An eye for design - you'll have an important role in making the product look great
• Believe in our mission and love the idea of working in education to help students succeed
  
  

Technologies you'll work with:

• NodeJS, http://sails.js/">Sails.JS
• http://react.js/">React.js, Redux, Redux-Saga
• Kubernetes, Postgres, ElasticSearch, Redis, RabbitMQ
• Whatever else you decide - we're constantly re-evaluating our stack and tools
• Having prior experience with the technologies is a plus, but not mandatory for skilled candidates.

Benefits

• Remote Option - You can work from any location of your choice
• Reimbursement of Home Office Setup
• Competitive Salary
• Friendly atmosphere
• Flexible paid vacation policy