API Engineer

Job Title: Full Stack Developer – Perpetual Trading

Location: Remote

Experience: 3+ Years

Employment Type: Full-Time

About the Company

We are a next-generation cryptocurrency exchange focused on building innovative and secure trading experiences for digital assets and derivatives. With a strong emphasis on perpetual trading and real-time market execution, we aim to redefine how traders interact with crypto markets — combining transparency, performance, and user-centric design.

Role Overview

We are seeking a Full Stack Developer experienced in perpetual trading platforms and Web3 ecosystems. The ideal candidate should have hands-on experience working with both frontend (React/Next.js) and backend (Node.js/Nest.js) systems and integrating decentralized perpetual trading APIs such as GMX, Hyperliquid, or similar. You will build end-to-end high-performance trading modules, ensuring low-latency execution, real-time data sync, and seamless user interaction.

Key Responsibilities

• Design, develop, and maintain full-stack trading modules and dashboards for perpetual and derivatives trading.
• Integrate decentralized perpetual trading APIs (GMX, Hyperliquid, Drift, etc.) and Web3 wallets (MetaMask, WalletConnect).
• Implement real-time order books, market data feeds, and trade execution flows using REST and WebSocket APIs.
• Build scalable backend services using Node.js / Nest.js / Express and connect them to the frontend.
• Manage database operations for user data, trade history, and performance analytics.
• Collaborate with UI/UX, blockchain, and DevOps teams to deliver high-performance trading experiences.
• Optimize both frontend and backend for speed, security, and low latency.
• Write clean, maintainable, and modular code following modern development practices and standards.

Required Skills & Experience

• 3+ years of experience as a Full Stack Developer, preferably in crypto, DeFi, or trading platforms.
• Strong proficiency in React.js / Next.js, Node.js / Nest.js / Express, and TypeScript / JavaScript (ES6+).
• Proven experience integrating perpetual trading or DeFi APIs (GMX, Hyperliquid, Drift, etc.).
• Experience with WebSockets for live order books and trade updates.
• Understanding of Perpetual Trading, Futures, and DeFi trading mechanics.
• Hands-on experience with Web3 libraries (ethers.js, web3.js) for wallet and smart contract integration.
• Strong understanding of RESTful APIs, microservices, and database management (PostgreSQL, MongoDB, or similar).
• Familiarity with security best practices, API rate limiting, and user authentication (JWT/OAuth).

Position: .NET Developer

Location: Remote / On-site (Your Location)

Experience: 0–4 years

About the Role:

We’re seeking a passionate and skilled .NET Developer to join our growing team. You’ll work on modern web applications built with ASP.NET Core, Web API, MVC, and Entity Framework Core, ensuring high performance, scalability, and security.

Key Responsibilities:

• Design, develop, and maintain web and API-based applications
• Implement and consume RESTful APIs
• Work with SQL Server and LINQ for data access
• Collaborate with front-end developers and QA engineers
• Apply best practices in coding, architecture, and deployment
• Troubleshoot, debug, and upgrade existing systems

Required Skills:

• Strong proficiency in C#, ASP.NET Core/MVC, Entity Framework
• Experience with SQL Server, LINQ, and Stored Procedures
• Familiarity with HTML, CSS, JavaScript, and modern frameworks (Angular/React is a plus)
• Understanding of OOP, Design Patterns, and Clean Architecture
• Version control experience (Git/GitHub/Bitbucket)

Nice to Have:

• Experience with Azure / AWS
• Knowledge of Blazor or Microservices Architecture

Perks:

• Flexible working hours
• Long-term collaboration
• 
  

Job Summary: 

We are looking for a talented Full Stack Developer with experience in C# (ASP.NET Core Web API), React, and SQL Server. The successful candidate will be responsible for designing, developing, and maintaining robust web applications and APIs, ensuring seamless integration between the front-end and back-end systems. 

Key Responsibilities: 

Full Stack Development: Design, develop, and maintain web applications using C#, ASP.NET Core Web API, and React. 

API Development: Create and maintain RESTful APIs to support front-end applications and integrations. 

Database Management: Design, optimize, and manage SQL Server databases, including writing complex queries, stored procedures, and indexing. 

Front-End Development: Implement user interfaces using React, ensuring a smooth and responsive user experience. 

Code Quality: Write clean, scalable, and well-documented code following best practices in software development. 

Collaboration: Work closely with cross-functional teams, including UI/UX designers, back-end developers, and DevOps, to deliver high-quality software solutions. 

Testing & Debugging: Conduct unit testing, integration testing, and debugging to ensure the quality and reliability of applications. 

Continuous Improvement: Stay updated on the latest industry trends and technologies and integrate them into development processes where applicable. 

Required Qualifications: 

Experience: Proven experience as a Full Stack Developer with a strong focus on C#, ASP.NET Core Web API, React, and SQL Server. 

Technical Skills: 

Proficient in C# and ASP.NET Core Web API development. 

Strong experience with React and related front-end technologies (JavaScript, HTML, CSS). 

Expertise in SQL Server, including database design, query optimization, and performance tuning. 

Familiarity with version control systems like Git. 

Understanding of RESTful architecture and Web API design. 

Problem-Solving: Excellent analytical and problem-solving skills with the ability to troubleshoot complex issues. 

Communication: Strong verbal and written communication skills, with the ability to articulate technical concepts to non-technical stakeholders. 

Team Collaboration: Ability to work effectively in a team environment, collaborating with cross-functional teams to achieve project goals. 

Preferred Qualifications: 

Experience with ASP.NET Core MVC or Blazor. 

Knowledge of cloud platforms such as Azure or AWS. 

Experience with Agile/Scrum development methodologies. 

Education: 

Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience)

Job description

We are hiring for Java Angular position. This is for work from home opportunity.

Skills / Attributes Required

• Should have 5-8 years of experience on Javascript.
• Should have good experience on Typescript, JavaScript, CSS, and OOPS concept
• Should have experience in HTML, CSS with strong logical skills and flair to learn and perform
• Should be strong in OOPS
• Should have good communication skills
• Knowledge of Agile
• Experience on Bootstrap
• API Integration, Debugging

Base location - Mumbai - Work from Home

BrightEdge is looking for a Full Stack Engineer to join our fast-growing team in Cleveland, OH. In this position, you will develop key backend and frontend components used by some of the largest companies in the world. You’ll innovate alongside the best minds in the industry, as well as be one of the first engineers launching our Cleveland engineering team.

Core Responsibilities

• Build scalable cloud-based web applications (Python, Java, Django, JavaScript, React.js)
• Own feature design, build, and implementation from end to end
• Create innovative solutions to complex data-driven problems
• Participate in code and design reviews
• Collaborate with our HQ team on exciting new releases

What it Takes to Be Successful

• A BA/BS degree is required
• 5 years developing experience (Python, Django, Scala, Impala, Javascript)
• A working understanding SaaS and Cloud Computing concepts
• Familiarity with Big Data, Machine Learning, and Artificial Intelligence concepts
• Eagerness to learn (platform training will be provided)
• Passion for the code you write and pride in making it maintainable and scalable

About Klenty

Klenty is a Software Product company operating in the Sales Engagement category.

One of the fastest growing SAAS startups in the sales engagement space, Klenty is headquartered in California and operates from Chennai, India.

Klenty’s Sales Engagement Product helps thousands of sales teams automate all the repetitive activities involved in the sales process like sending emails, follow-ups, tracking engagement metrics, etc - so that the sales team can focus more on activities like building relationships and closing deals.

With over 3000 customers all over the world, we are on a mission to transform every B2B Sales team into an unstoppable force

Join us in building the future of sales engagement software

Our project entails implementing our pre-approved UI, constructing our API, connecting the two, and setting up our server infrastructure. This includes all associated areas such as database and architecture design.

Roles and Resposibilities

• Design and implementation of the overall web architecture.

• Flawless implementation of our approved user interface.

• Design and deployment of our database used in online and offline executions and construction of our REST API.

• Integrating with third-party APIs and existing frameworks.

• Design and implementation of continuous integration and deployment.

• Providing improvements to the product being supported.

• Actively participated in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations, retrospectives, and solution releases.

• Developing and adhering to best practices for developing applications and continuously contributing to team performance improvement and collaboration.

• Design, code, test, debug, maintain, and document programs.

• Writing unit tests to continually improve the quality of our ability to introduce features at a rapid pace.

• Programming, updating, and managing server-side code.

• Working closely with other developers to maintain structured code.

• Continuously improve the tribe’s services to achieve technical excellence and pay off the technical debt over time.

Required Skills

• At least 3 years of experience with: Relevant back-end programming

• in NodeJS, ReactJS, ExpressJS, JavaScript

• Database design and management, including being up on the latest practices and associated versions.

• Server management and deployment for the relevant environment

• Familiarity with a relevant and globally supported framework—both front-end and back-end.

• Ideally, familiarity with CSS pre-processors, bundlers, and associated languages/syntaxes/libraries

• Thorough understanding of user experience and possibly even product strategy.

• Experience implementing testing platforms and unit tests

• Proficiency with Git

• Experience with agile and/or DevOps processes and tools (e.g., JIRA,) Ability to translate software requirements into working and maintainable solutions within the existing application frameworks.

• Excellent knowledge of relational databases. Excellent skills in DB schema design.

Skills:- MongoDB, Express, React.js, NodeJS (Node.js), Amazon Web Services (AWS), Javascript, CI/CD, Redis, Elastic Search and Heroku

Industry

Information Services

Employment Type

Full-time

• Java/J2EE, Spring, Spring Boot, REST, JSON, Micro Services, 12 Factor Apps, Apache.
• Strong understanding of microservice architecture
• Ability to design, develop and implement scalable, elastic microservice based platforms.
• Demonstrated knowledge of OAuth token-based authentication protocol.
• Demonstrated knowledge of PCI and Security Coding Standards.
• Performs hands on coding using Java/J2EE & unit testing.
• Contribute to the Design and develop high quality software for large scale Java/Spring Batch/Micro-service Applications.
• Proficiency in the following general areas: Java (Java 1. 7/Java 1. 8), Spring Framework, Jenkins, Gradle, and GitHub.
• Experience with RESTful services, Rabbit MQ, JSON, Unix Scripting, and Hadoop is a plus.
• Core development experience in large scale enterprise Java applications using Spring Framework.
• Experience in SQL (DB2 & SQL databases)
• Strong knowledge and experience on Nginx as APIM tool Solid experience in coding and creating APIs.
•  Expertise in WSDL, XML, XSLT, JSON, XPATH and Gateway scripts
• Provide front line support for Nginx related problems by being involved in troubleshooting, root cause analysis and appropriate secure integration recommendations.
• Installation of Nginx API Gateway as per need.
• Experience in Containers and Kubernetes.
• Good linux and administration skills
• Experience on API Orchestration/Mediation/Protocol Bindings and transformation knowledge on disparate message structures
• Design, develop and implement API proxies using OpenAPI specification Analysing logs and trace for errors and exceptions Manage and publish content in Developer portal Security implementation using OAUTH, SAML, CORS 
• Must Have Knowledge of API development and its technologies.

Location: Remote Working

** Preference will be given to immediate joinee