Senior Fullstack Engineer

Job Title : Full Stack Developer (Crypto Exchange)

Experience : 4+ Years

Location : Gurugram & Vadodara (On-site)

Role Overview :

We are looking for a Full Stack Developer with strong expertise in both backend and frontend development, along with exposure to crypto exchange systems or fintech platforms.

In this role, you will work on building high-performance, real-time trading applications, contributing to core systems like order execution, pricing engines, and wallet integrations.

Key Responsibilities :

• Design, develop, and maintain scalable backend services and APIs.
• Build and optimize responsive frontend applications for trading interfaces.
• Work on real-time systems such as order books, pricing engines, and trade execution.
• Integrate with blockchain networks, wallets, and third-party APIs.
• Ensure platform security, performance, and reliability.
• Collaborate with product, design, and DevOps teams for end-to-end delivery.
• Participate in system design, architecture discussions, and code reviews.

Required Skills & Qualifications :

• 4+ years of experience in Full Stack Development.
• Strong expertise in :
• Backend : Node.js and/or Python
• Frontend : React.js and/or Next.js
• Experience with REST APIs and microservices architecture.
• Strong understanding of databases (MongoDB, PostgreSQL, MySQL, etc.).
• Hands-on experience with Docker and cloud platforms (AWS preferred).
• Solid understanding of system design, scalability, and performance optimization.

Preferred (Good to Have) :

• Experience working with a crypto exchange or trading platform.
• Understanding of blockchain fundamentals (Ethereum, Bitcoin, etc.).
• Experience with wallet integrations and on-chain transactions.
• Familiarity with WebSockets and real-time data streaming.
• Knowledge of security best practices in fintech/crypto systems.

Why Join Us ?

• Opportunity to work on a high-impact, real-world crypto exchange.
• Build and scale systems from early-stage to production.
• Work in a fast-paced, ownership-driven environment.
• Exposure to cutting-edge blockchain and trading technologies.

• C#, .NET, ASP.NET, Web API, MVC, Entity Framework
• JavaScript, Angular (React, Vue.js, Knockout.js also considered)
• SQL Server, relational databases (NoSQL is a plus)
• Microsoft Azure, AWS
• Docker, CI/CD pipelines
• SaaS and cloud-native architecture

Responsibilities

• Design and develop full stack web applications using .NET and Angular
• Build scalable APIs and backend services with C# and ASP.NET
• Develop responsive front-end components using JavaScript frameworks
• Optimise application performance, scalability, and security
• Work with SQL Server and data access layers
• Collaborate with product managers, designers, and engineers in an Agile environment
• Participate in code reviews and follow engineering best practices

Senior / Project Lead Responsibilities (If Applicable)

• Technical ownership across the software development lifecycle
• Architecture and technical design decisions
• Mentoring junior engineers
• Estimation, planning, and technical problem-solving

Requirements

• 3–5+ years of experience as a Software Engineer / Full Stack Developer
• Strong commercial experience with C#, .NET, and JavaScript
• Experience with Angular or similar front-end frameworks
• Cloud experience with Azure and/or AWS
• Knowledge of Docker, CI/CD, and DevOps practices
• Experience building scalable, production-grade web applications
• SaaS experience is highly desirable

Nice to Have (Boosts Search Reach)

• Node.js
• Microservices architecture
• NoSQL databases
• Automated testing frameworks (Jest, Mocha)

Role- Sr Software Developer (Fullstack)

Location- Gurgaon/ Bangalore

Mode- Hybrid

Job Description: Sr Software Developer (Golang expertise) – 5+ years 

Role Summary:-

We are seeking an experienced Senior Engineer with strong expertise in Golang and cloud-based web applications. The ideal candidate will work across multiple backend services, contribute to architectural decisions, ensure quality through best practices, and collaborate effectively with cross-functional teams. 

Key Responsibilities:- 

• Design, develop, and maintain backend services using Golang. 

• Work across multiple Golang applications and microservices. 

• Have good understanding of internal enterprise services such as SSO, authorization, and user management. 

• Collaborate with cloud engineering teams to build and manage applications on AWS or Azure. 

• Follow and enforce backend development best practices including CI/CD, coding guidelines, and code reviews. 

• Use tools like SonarQube for static and dynamic code analysis. 

• Write high‑quality unit tests and maintain test coverage. 

• Document system designs, APIs, and technical workflows. 

• Mentor junior team members and contribute to overall team maturity.

Required Skills:-

• Strong, hands‑on experience with Golang across multiple real‑world projects.

• Good experience with dell cloud 

• Good understanding of cloud services (AWS or Azure) for web application development. 

• Knowledge of SSO, authorization services, and internal service integrations. 

• Excellent communication and collaboration skills. 

• Experience with CI/CD pipelines, coding standards, and automated testing. 

• Familiarity with code quality tools such as SonarQube. 

• Strong documentation skills. 

Good-to-Have Skills:-

• Knowledge of Python or JavaScript. 

• Understanding of frontend technologies (react.js). 

• Experience mentoring or guiding team members.

Note- We are looking out immediate joiners.

Developer – Full stack

·        Full stack development experience for 1-2 years

·        Implement new application features and improvements to existing features based on defined project requirements.

·        Experience with React or Angular framework

·        Familiarity of HTML5, CSS3, and JavaScript skills.

·        Experience developing server side applications in at least Java 8.

·        Experience with Spring Boot and REST APIs.

·        Collaborate with cross-functional teams to design, develop and deploy new features and applications

·        Ability to write and optimize SQL queries and database performance tuning

·        Familiar using source control systems, preferably Git.

·        Troubleshoot and resolve application bugs

·        Passionate about developing high quality code that has been thoroughly tested.

·        Strong written and verbal communications skills.

·        Stay up-to-date with emerging trends and technologies in web development

·        Implement automated testing and continuous integration and deployment processes

·        Ability to learn quickly.

Good to have skills

·        Python, Flask, Fast API knowledge

·        Cloud knowledge – preferably AWS

·        Understanding of graph database

·        Familiarity with containerization technologies such as Docker and Kubernetes

Job Description

Technical lead who will be responsible for development, managing team(s), monitoring the tasks / sprint. They will also work with BA Persons to gather the new requirements and change request. They will help solve application issues and helping developers when they are stuck.

Responsibilities

·       Design and develop application based on the architecture provided by the solution architects.

·       Help team members and co developers to achieve their tasks.

·       Maintain / monitor the new work items and support issues and have to assign it to the respective developers.

·       Communicate with BA persons and Solution architects for the new requirements and change requests.

·       Resolve any support tickets with the help of your team within service timelines.

·       Manage sprint to achieve the targets.

Technical Skills

·       Microsoft .NET MVC

·       .NET Core 3.1 or greater

·       C#

·       Web API

·       Async Programming, Threading, and tasks

·       Test Driven Development 

·       Strong expert in SQL (Table Design, Programing, Optimization)

·       Azure Functions

·       Azure Storage

·       MongoDB, NoSQL

Qualifications/Skills Desired:

·       Any Bachelor’s degree relevant to Computer Science. MBA or equivalent is a plus

·       Minimum of 8-10 years IT experience and managing a team(s) out of which 4-5 years should be as a technical/team lead.

·       Strong verbal and written communication skills with the ability to adapt to many different personalities and conflict resolution skills required

·       Must have excellent organizational and time management skills with strong attention to detail

·       Confidentiality with privacy-sensitive customer and employee documents

·       Strong work ethic - demonstrate good attitude and judgment, discretion, and maintain high level of confidentiality

·       Previous experience of customer interactions

Requirements

• 3+ yrs experience in Reactjs (frontend) and Nodejs (Backend) along with good experience in MongoDB.
•  
• Past experience scaling projects from prototype to hundreds of thousands / millions of users is a plus.
•  
• Strong communication skills and past experience leading developers is crucial.

Note:- Remote working is applicable

Full stack developer

Salary: 6-9 LPA

Location: Mumbai

About ZenOnco.io:

https://zenonco.io/">ZenOnco.io is the world’s first integrative oncology healthtech platform. At ZenOnco.io, we aim to extend life and improve the quality of life for cancer patients through integrative oncology treatment, which covers both medical treatment as well as complementary treatment (Nutrition, emotional wellness, fitness, and community support).

To provide the best medical treatment options to cancer patients, we have partnered with 50+ hospitals across India, and cover 1,000+ oncologists. We also provide patients access to a full range of diagnostic tests that are required to arrive at the most effective cancer treatment.

We heavily deploy technology in our operations, and have recently launched the world’s first Integrative Oncology Preliminary Assessment Report tool (ZIOPAR) to guide cancer patients free of cost on the possible treatment options based on their cancer profile, symptoms and other conditions.

We believe in innovation, dedication and commitment. While we have the thrill to seek out and capture the world, we are looking for a responsible partner in you. If you feel you can become one of us, apply today.

Company introduction video: https://bit.ly/ZenOncoIOintroduction">https://bit.ly/ZenOncoIOintroduction

Roles and responsibilities:

• Working on WordPress and CodeIgniter, involving CSS, PHP, JS, jQuery, SQL 
• Designing and implementing new features and functionality
• Establishing and guiding the website’s architecture
• Ensuring high-performance and availability, and managing all technical aspects of the CMS
• Helping formulate an effective, responsive design and turning it into a working theme and plugin
• Convert comprehensive layout and wireframes into working HTML pages
• On-page SEO

Education and Experience:

• Graduate or Post Graduate (Preferred)
• Experience: 3+ years
• Ability to work on WordPress and CodeIgniter
• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
• Experience building user interfaces for websites and/or web applications
• Experience designing and developing responsive design websites
• Ability to understand CSS changes to ensure consistent style across platforms and browsers
• Strong understanding of PHP back-end development

You will get:

• Some of the best people to work with (founders are IIM graduates and investment banker)
• An opportunity to make a difference in the lives of millions of cancer patients across the globe
• A great learning environment and opportunity to grow

Qualifications for Ruby

Time Zone EST Overlap of 3-4 hours/day

• Proficient in Ruby, and one of the Javascript UI frameworks like React, Ember, Angular, etc.
• Experience working with MySQL, BigQuery, and Snowflake.
• Experience in UI frameworks like React, Ember, Angular, etc.
• Experience building and deploying applications in an Amazon Web Services (AWS) ecosystem. 
• 5+ years of software engineering experience developing scalable production software incorporating testing, evaluation, and monitoring.
• Full-stack development experience
• Strong knowledge of CS fundamentals and code organization best practices
• Bachelor's degree in Computer Science or equivalent practical experience.
• Built systems that make use of complex job queues and offline processing
• Experience with Docker/ECS/AWS
• Experience with testing and writing test cases
• Experience with Jest, Enzyme, and RSpec