S/W Engineer - Data Tools

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).

About the Role:

We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.

Key Responsibilities:

• Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
• Develop RESTful APIs and integrate third-party services and databases.
• Write reusable, testable, and efficient code.
• Optimize applications for maximum speed and scalability.
• Lead code reviews and enforce best practices in design and development.
• Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
• Ensure cross-platform optimization and responsiveness of applications.
• Mentor and guide junior developers, fostering a culture of continuous learning.
• Troubleshoot and debug production issues.
• Maintain documentation of software functionality and technical decisions.

Required Skills:

• Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
• Deep understanding of React.js and state management libraries like Redux or Context API.
• Hands-on experience with Node.js and Express.js.
• Strong knowledge of MongoDB and Mongoose ORM.
• Experience in building and consuming RESTful APIs.
• Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
• Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
• Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications:

• Bachelor’s/Master’s degree in Computer Science or related field.
• Experience with GraphQL or WebSockets.
• Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
• Previous experience in Agile/Scrum environments.

What We Offer:

• Competitive salary and performance-based bonuses
• Flexible working hours and remote work options
• Opportunities for upskilling and certifications
• Collaborative and inclusive team culture
• Health insurance and wellness benefits

Job Description – Fullstack Software Engineer (Java + JavaScript Framework) (3–5 Years Experience)

We are looking for a hands-on Fullstack Software Engineer (3–5 years experience) who can develop, maintain, and enhance both backend services and frontend applications in a cloud-native, microservices-based environment using Java (Spring Boot) and a modern JavaScript framework (Vue.js, React.js, or Angular). The role requires strong programming fundamentals, experience with modern frameworks, and the ability to work independently on assigned tasks within an agile product engineering setup.

1. Core Technical Skills (Must-Have)

A. Backend Development (Java)

• 3–5 years of hands-on experience in Java backend development

• Proficient in: o Java 8+ (Java 17 or Java 21 preferred)

o Spring Boot framework o REST API development o Spring Data JPA / Hibernate

B. Frontend Development (JavaScript)

• Strong experience in JavaScript (ES6+)

• Proficient in: o Vue.js or React.js or Angular o HTML5, CSS3, responsive design principles

C. Component-Based Architecture

• Building reusable, modular components

• Props, events, lifecycle hooks

• Routing and navigation

• State management (Pinia, Redux, NgRx, or equivalent)

D. API Integration

• Building and consuming RESTful microservices

• Handling asynchronous calls with Axios or Fetch

• Error handling and loading states

E. Build Tools & Packaging

• Experience with: o Vite or Webpack o NPM/Yarn o Gradle

• Basic understanding of bundling, code splitting, and performance optimization

F. Cloud & DevOps Awareness

• Basic deployment and debugging on any cloud platform (AWS/Azure/GCP)

• CI/CD tools such as GitHub Actions, GitLab CI, or Jenkins

• Basic Docker usage (build, run, logs)

G. Databases & Storage

• Strong experience with relational databases: PostgreSQL or MySQL

• Good understanding of: o Writing SQL queries o Index usage o Joins, transactions

• Exposure to Redis or NoSQL DBs is a plus

2. Engineering Best Practices (Mandatory)

• Write clean, maintainable, well-structured code Internal

• Use OOP and SOLID principles

• Mandatory experience with: o JUnit / Mockito for backend unit testing o Jest (or equivalent) for frontend unit testing o Code reviews (as reviewer and reviewee) o Git workflows

• Understanding of: o Logging and monitoring basics o Error handling & exception design o API security basics (JWT/OAuth2 awareness) o Frontend security (XSS prevention, CSRF awareness)

3. UI/UX Awareness

• Ability to implement pixel-perfect designs from Figma or similar tools

• Understanding of responsive layouts and cross-browser compatibility

• Basic knowledge of usability principles

4. Performance, Reliability & Security

Performance

• Backend: DB queries, caching, pagination

• Frontend: DOM rendering, state updates, lazy loading

• Familiarity with browser performance tools Security

• Secure coding practices: o Input sanitization Internal o Avoiding SQL injection o Secure API communication o Preventing XSS and CSRF vulnerabilities

5. Domain Knowledge (Not Required, but Good to Have)

• Supply Chain Management

• Logistics

• Inventory or warehouse systems If the domain is unfamiliar, the engineer must be able to learn quickly with guidance.

6. Soft Skills & Collaboration

Expectations

• Clear communication and ability to explain technical decisions

• Ability to estimate tasks and deliver within timelines

• Proactiveness in asking questions when needed

• Ability to work in Agile teams (Scrum/Kanban)

• Regular participation in: o Grooming o Stand-ups o Sprint reviews o Retrospectives

7. Expected Deliverables

1. Backend APIs built using Java & Spring Boot

2. Frontend components and pages built using Vue.js, React.js, or Angular

3. Code adhering to project standards & guidelines

4. Unit tests for all major components (frontend & backend)

5. Bug fixes, enhancements, and production support as needed

6. Accurate status updates and timely delivery in sprints

7. Clear documentation for services, APIs, and UI components

8. Experience Requirement

• Overall Experience: 3–5 years

• Should have worked as: o Fullstack Engineer o Java Developer + Frontend Developer o Software Engineer (Fullstack)

9. Good-to-Have Certifications (Not mandatory)

• Oracle Java Certification

• Vue.js / React.js / Angular Certification

• JavaScript Specialist Certification

• AWS Cloud Practitioner

About the Company:

Pace Wisdom Solutions is a deep-tech Product engineering and consulting firm. We have offices in San Francisco, Bengaluru, and Singapore. We specialize in designing and developing bespoke software solutions that cater to solving niche business problems.

We engage with our clients at various stages:

• Right from the idea stage to scope out business requirements.

• Design & architect the right solution and define tangible milestones.

• Setup dedicated and on-demand tech teams for agile delivery.

• Take accountability for successful deployments to ensure efficient go-to-market Implementations.

Pace Wisdom has been working with Fortune 500 Enterprises and growth-stage startups/SMEs since 2012. We also work as an extended Tech team and at times we have played the role of a Virtual CTO too. We believe in building lasting relationships and providing value-add every time and going beyond business.

Python Data Engineer

Job Description:

• Design, develop, and maintain database scripts and procedures to support

application requirements.

• Collaborate with software developers to integrate database scripts with

application code.

• Troubleshoot and resolve database issues in a timely manner.

• Perform database maintenance tasks, such as backups, restores, and migrations.

• Implement data security measures to protect sensitive information.

• Develop and maintain documentation for database scripts and procedures.

• Stay up-to-date with emerging technologies and best practices in database

management.

Job Requirements:

• Bachelor’s degree in Computer Science, Information Technology, or related field.

• 3+ years of Proven experience as a Database Engineer or similar role with python

• Proficiency in SQL and scripting languages such as Python or Js.

• Strong understanding of database management systems, including relational

databases (e.g., MySQL, PostgreSQL, SQL Server) and NoSQL databases (e.g.,

MongoDB, Cassandra).

• Experience with database design principles and data modelling techniques.

• Knowledge of database optimisation techniques and performance tuning.

• Familiarity with version control systems (e.g., Git) and continuous integration

tools.

• Excellent problem-solving skills and attention to detail.

• Strong communication and collaboration skills.

TechChefz (TCZ Digital Private Limited) is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting, and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our people in offices around the globe combine experience across technology, data sciences, consulting, and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value. For more details, explore our website: www.techchefz.com

Responsibilities:

Building interactive consumer data from multiple systems and Restfully abstract to the UI through a Node.js backend Define code architecture decisions to support a high-performance and scalable product with a minimal footprint Address and improve any technical issues Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant, and efficient systems

Skills and Experience:

In-depth knowledge of NodeJS, ExpressJS or Restify. Experience implementing applications using Angular or React Experience creating front end applications using HTML5, Angular, LESS/SASS Hands on experience with JavaScript Development on both client and server-side Experience with modern frameworks and design patterns, minimum one-year experience with MERN Full stack paradigm Knowledge of the following will be considered as an advantage: Consumer Web Development Experience for High-Traffic, Public Facing web applications Experience with cloud technologies is also a plus Creating secure RESTful-based web services in XML and JSON, JavaScript, jQuery Continuous integration (Jenkins/Hudson) and version control (SVN, Git).

The Benefits of Working Here

Benefits of both the worlds - Enthusiasm & Learning Curve of a Start-Up, Deliveries & Performance of an Enterprise Service Provider flexible working hours with the delivery oriented approach The sky's the limit when it comes to learning, growth, and ideas. We do not follow the typical corporate hierarchy ladder. As part of our dedication to an inclusive and diverse workforce, TechChefz is committed to Equal Employment Opportunity without regard to race, colour, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion.

NetSysCon is looking for a Full Stack Engineer for a travel/airline SaaS start-up. They have partnered with major airlines and entertainment brands such as Disney Theatrical Group, Qantas, Iberia, Alaska, Malaysia Airlines, Vistara, IndiGo, Volaris, and others. Their platform offers innovative tools to drive revenue, operational efficiency, and digital shopping conversion.

Job Profile

Work on all elements of the stack from data modeling and back end API's to UI implementation.
Working with airlines on integrations deep within their systems (in person, if you like!).
Assisting with key architecture, platform and infrastructure design.
Ensuring the system runs and scales smoothly, with high availability and resilience to failure.

What we use:
Python, Django, Celery
React, TypeScript
Scikit-learn, PyTorch, Tensorflow
Postgres, Redis
Kubernetes, Docker, AWS, Terraform, CDK, Github Actions

Our client is a tech company first so engineering is the largest, most important department. They care about developer ergonomics and believe investing time and effort in getting software and platform right is not-negotiable. They have:

A comprehensive automated unit test suite (frontend + backend);
Fully automated CI/CD (git push is all you need);
Fully containerized / reproducable dev environment (single-command bootstrap);
Redundant, self-healing, auto-scaling infrastructure;

Requirements

Full-stack engineering experience in at least one of the following languages/frameworks - Backend: Python/Django (preferred), Ruby/Rails, Node;
Frontend: React (preferred), Angular, Vue.
Evidence of exposure to architectural patterns of large, complex web applications (eg, well-designed APIs, asynchronous data pipelines/message queues, distributed systems).
Engineers who have experience with software best practices such as unit testing, reusable components, traceability.

JOB  Description

1. Minimum 5 years of development experience with any full stack framework (except Java based)
2. Experience in designing effective data structures and algorithms
3. Experience with sql and no-sql databases and designs
4. In-depth understanding of javascript concepts and one front-end framework
5. Experience with version control and project management tools
6. Experience in developing and consuming REST web services.
7. excellent oral and written communication (english + 1 local language)
8. analytical and problem-solving skills
9. familiarity with any cloud service provider - aws/digital ocean/azure

Roles and Responsibilities

1. requirement gathering and proving
2. feasibility analysis
3. estimations & planning
4. prepare and maintain relevant documentation
5. coding, debugging, testing
6. benchmarking and performance upkeep
7. deployment & maintenance

Signs you would be a good fit

1. you enjoy crafting elegant, well-tested solutions, not just delivering working code
2. you have logical and well-researched opinions on existing and new technologies, and relish the learnings and challenges of working on different platforms and products
3. you have an entrepreneurial mindset
4. you are a quick learner with proven reasoning skills
5. you explore beyond your resume

About Eloquent Studio Pvt Ltd

Team of 1-10 people

Located in Pune, Maharashtra, India

• AWS
• Postgresql
• EC2 on AWS
• Angular
• Node
• Cognito
• and most importantly Serverless

• 5+years’ experience in progressive development or architect roles
• Very strong programming skills in one or more of the above languages
• Deep understanding of back end systems; AWS architectures and managed service ecosystems
• Good understanding with web/app design workflow including user research, user scenario, user persona, sitemap, wireframing, and mockups
• Design, develop and implement quality solutions to meet complex project requirements as per defined timelines
• Create Technical Design documents, understand technical designs and translate into the application requirements.
• Exercise independent judgment in evaluating alternative technical solutions
• Participate in code and design review process
• Write unit test cases for quality check of the deliverables
• Ability to work closely with others in a team environment as well as independently
• Proven ability to problem solve and troubleshoot
• Excellent verbal and written communication skills and the ability to interact professionally with a diverse group, executives, managers, and subject matter experts
• Excellent English communication skills are required