Blockchain Developer (Full-Stack)

Strong Full stack/Backend engineer profile

Mandatory (Experience): Must have 2+ years of hands-on experience as a full stack developer (backend-heavy)

Mandatory (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures

Mandatory (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS

Mandatory (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis

Mandatory (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS

Mandatory (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring

Mandatory (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design

Mandatory (Company) : Product companies (B2B SaaS preferred)

About the role

We are seeking a seasoned Backend Tech Lead with deep expertise in Golang and Python to lead our backend team. The ideal candidate has 6+ years of experience in backend technologies and 2–3 years of proven engineering mentoring experience, having successfully scaled systems and shipped B2C applications in collaboration with product teams.

Responsibilities

Technical & Product Delivery

● Oversee design and development of backend systems operating at 10K+ RPM scale.

● Guide the team in building transactional systems (payments, orders, etc.) and behavioral systems (analytics, personalization, engagement tracking).

● Partner with product managers to scope, prioritize, and release B2C product features and applications.

● Ensure architectural best practices, high-quality code standards, and robust testing practices.

● Own delivery of projects end-to-end with a focus on scalability, reliability, and business impact.

Operational Excellence

● Champion observability, monitoring, and reliability across backend services.

● Continuously improve system performance, scalability, and resilience.

● Streamline development workflows and engineering processes for speed and quality.

Requirements

● Experience:

7+ years of professional experience in backend technologies.

2-3 years as Tech lead and driving delivery.

● Technical Skills:

Strong hands-on expertise in Golang and Python.

Proven track record with high-scale systems (≥10K RPM).

Solid understanding of distributed systems, APIs, SQL/NoSQL databases, and cloud platforms.

● Leadership Skills:

Demonstrated success in managing teams through 2–3 appraisal cycles.

Strong experience working with product managers to deliver consumer-facing applications.

● Excellent communication and stakeholder management abilities.

Nice-to-Have

● Familiarity with containerization and orchestration (Docker, Kubernetes).

● Experience with observability tools (Prometheus, Grafana, OpenTelemetry).

● Previous leadership experience in B2C product companies operating at scale.

What We Offer

● Opportunity to lead and shape a backend engineering team building at scale.

● A culture of ownership, innovation, and continuous learning.

● Competitive compensation, benefits, and career growth opportunities.

We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and

a deep interest in scalable, low-latency systems.

Key Responsibilities

• Develop, maintain, and optimize backend applications using Python.

• Build and integrate RESTful APIs and microservices.

• Work with relational and NoSQL databases for data storage, retrieval, and optimization.

• Write clean, efficient, and reusable code while following best practices.

• Collaborate with cross-functional teams (frontend, QA, DevOps) to deliver high quality features.

• Participate in code reviews to maintain high coding standards.

• Troubleshoot, debug, and upgrade existing applications.

• Ensure application security, performance, and scalability.

Required Skills & Qualifications:

• 2–4 years of hands-on experience in Python development.

• Strong command over Python frameworks such as Django, Flask, or FastAPI.

• Solid understanding of Object-Oriented Programming (OOP) principles.

• Experience working with databases such as PostgreSQL, MySQL, or MongoDB.

• Proficiency in writing and consuming REST APIs.

• Familiarity with Git and version control workflows.

• Experience with unit testing and frameworks like PyTest or Unittest.

• Knowledge of containerization (Docker) is a plus.

We’re looking for a full-stack developer to join our founding team and drive our product development. If you’re someone who thrives on high ownership, can figure stuff out on your own and wants to be part of the zero-to-one journey, this might be for you.

• Tl;dr code, debug and repeat, but since job descriptions are supposed to be serious stuff, feel free to read on;
• You’ll be responsible for architecture and development of both frontend and backend systems;
• Brainstorm and prioritize features with the product team based on technical feasibility to define the product roadmap;
• Ownership of shipping features from writing the frontend and backend code to making it live;
• Unless you’re the one who writes answers on stackoverflow, your code is going to break so make sure you can come back and fix it;

• If you can write code that works, we should be good but read on (disclaimer: most of what follows is not a hard requirement);
• You have 1-3 years of experience building a product from scratch or being in the initial engineering team of an early stage startup;
• Well versed with front-end technologies like HTML, CSS, Javascript to craft intuitive UIs;
• Worked with React.JS & Redux (or similar frameworks) to build scalable, reusable components;
• You've built backend architectures using Node.js & Postgres (Brownie points if you’ve worked with Redis & Sequelize);
• Deployed applications on AWS using services like RDS, EC2, S3, Cloudfront;
• You can write tests, are great at logging {by great logging we don’t mean embarrassing console logs} & error tracking using tools like Sentry & Travis CI;
• Most of the above is us trying to sound legit about our stack, so if you’ve not worked with some of it & are open to learning or have better ideas, it’s totally cool;

Location: Delhi NCR, India (Remote for now, hybrid model post-covid)

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.

Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

• Degree in computer science.
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React, Node js and Amber.
• Proficiency with server-side languages such as Python, Ruby, Java, PHP, and .Net.
• Familiarity with database technology such as MySQL, PostgreSQL, Express, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

About the role(s):

Software development and platform engineering has driven our success and growth of our platform & data businesses. We are now looking for more developers to join our team and help us build the best financial inclusion platform in the world. You'll be an integral part of product development team working collaboratively with cross functional team of business heads, product managers, credit risk experts, data scientists and technologists to iteratively design and build fintech products. You'll be constantly be challenged and you'll have the freedom to discover and advocate new technologies. 

Requirements:

We are looking for people who are truly full stack, and are as comfortable working on javascript front end as they are debugging database interactions, or improving their CloudFormation templates. While we are open to any degree and colleges, we are look for people who prides in being a coder and have demonstrable (3+ years) experience in software development. In particular we look for people who can:

• Code backend services, ideally using Node.js or Java, or other server side compiled language.
• Design and develop Rest API with integrations to lots of external systems. Experience of GraphQL is an advantage
• Develop modern and secure web front ends, ideally using React, Express and Redux.
• Interface with No-SQL/ MongoDB or SQL based data bases (PortgresSQL).
• Deploy their code into the cloud and support it there, ideally on AWS and GitHub. Experience with kubernetes and serverless is an advantage.
• Deliver in agile manner while coding cleanly, automating testing and clean coding, simple solutions, automated testing and continuous deployment.
• Takes ownership of a feature from the original idea through to live.

Attractive salary compensation including employee stock options, 10% time free to pursue own project, paid training and education support.

We truly practice flexible time with focus on output and core hours for team collaboration. While we are mostly working remotely at Fundfina and are open to applications across India, we will prefer that you are open to commuting to Mumbai or Bangalore or Delhi offices when required.

By submitting your application, you agree that Fundfina may collect your personal data for recruitment purposes. 

Job description

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application.

Responsibilities:

Have the passion and experience for building responsive, elegant and engaging experiences with future friendly web technologies

Integration of user-facing elements developed by front-end developers with server side logic

Writing reusable, testable, and efficient code with proper documentation

Design and implementation of low-latency, high-availability, and performance applications

Implementation of security and data protection

Integration of data storage solutions

Continually keep yourself and your design team updated with the latest changes in your industry’s standards

Requirements

1+ years Experience

Strong proficiency with JavaScript

Knowledge of Node.js, Express.js and other frameworks required to create a scalable and effective application

Understanding the nature of asynchronous programming and its quirks and workarounds

Good understanding of basics of SQL and/or NoSQL databases

Very strong understanding of working with at least one SQL or NoSQL database in node js(Without ORM preferably)

Understanding of commonly used node modules

Good understanding of server-side templating languages

Good understanding of server-side CSS pre-processors such as SASS, LESS, etc.

Basic understanding of front-end technologies, such as HTML5, and CSS3

Understanding accessibility and security compliance

User authentication and authorization between multiple systems, servers, and environments using OpenID, OAuth2.0, etc.

Creating secure and scalable APIs using standards like REST API, GraphQL, etc.

Integration of multiple data sources and databases into one system

Understanding fundamental design principles behind a scalable application

Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimising output to match the specific platform

Creating database schemes that represent and support business processes

Implementing automated testing platforms and unit tests

Proficient understanding of code versioning tools, such as GIT Critical thinker and problem-solving skills Team player Good time-management skills Great interpersonal and communication skills.

Full Stack Developer for a leading E-Commerce MNC
Job Responsibilities :

- Developing new user-facing features using React.js. 

- Building reusable components and front-end libraries for future use. 

- Translating designs and wireframes into high-quality code. Skills 

- Strong proficiency in JavaScript, ES6 and it's newer specifications 

- Thorough understanding of React.js and its core principles 

- Experience with popular React.js workflows (such as Redux) 

- Familiarity with RESTful APIs

- Experience working with preprocessing stylesheet language (LESS)

- Experience with common front-end development tools such as NPM, etc.

- Familiarity with GIT version control system. 

- Ability to understand business requirements and translate them into technical requirements