Node JS Developer (Experienced)

Job Title : Backend / API Developer - Python (FastAPI) / Node.js (Express)

Location : Remote

Experience : 4+ Years

Job Description :

We are looking for a skilled Backend / API Developer - Python (FastAPI) / Node.js (Express) with strong expertise in building secure, scalable, and reliable backend systems. The ideal candidate should be proficient in Python (FastAPI preferred) or Node.js (Express) and have hands-on experience deploying applications to serverless environments.

Key Responsibilities :

• Design, develop, and maintain RESTful APIs and backend services.
• Deploy and manage serverless applications on Cloudflare Workers, Firebase Functions, and Google Cloud Functions.
• Work with Google Cloud services including Cloud Run, Cloud Functions, Secret Manager, and IAM roles.
• Implement secure API development practices (HTTPS, input validation, and secrets management).
• Ensure performance optimization, scalability, and reliability of backend systems.
• Collaborate with front-end developers, DevOps, and product teams to deliver high-quality solutions.

Mandatory Skills :

Python (FastAPI) / Node.js (Express), Serverless Deployment (Cloudflare Workers, Firebase, GCP Functions), Google Cloud Services (Cloud Run, IAM, Secret Manager), API Security (HTTPS, Input Validation, Secrets Management).

Required Skills :

• Proficiency in Python (FastAPI preferred) or Node.js (Express).
• Hands-on experience with serverless platforms (Cloudflare Workers, Firebase Functions, GCP Functions).
• Familiarity with Google Cloud services (Cloud Run, IAM, Secret Manager, Cloud Functions).
• Strong understanding of secure API development (HTTPS, input validation, API keys & secret management).
• Knowledge of API design principles and best practices.
• Ability to work with CI/CD pipelines and modern development workflows.

Preferred Qualifications :

• Strong knowledge of microservices architecture.
• Experience with CI/CD pipelines.
• Knowledge of containerization (Docker, Kubernetes).
• Familiarity with monitoring and logging tools.

• Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker

• Experience in the development of scalable and extensible systems using Java

• Proficiency in Database technology such as MySQL, Oracle and MongoDB

• Routines Sync & Async

• Solid and fluent understanding of algorithm and data structures

• Excellent software design, problem-solving and debugging skills

• Demonstrated high ownership in previous projects

• Excellent Communication Skills

• Good understanding of Elastic Search, Redis

• Experience working in the cloud environment, preferably AWS*.

• Write unit tests and run automated tests through CI/CD

• Ability to learn new and existing technologies

• Experience in building cloud SaaS or PaaS solutions/products

The tech stack looks like the below (expect this to change as we scale):

1. Typescript for APIs (REST and GraphQL)
2. Kafka, Spark, and data warehouses for ML pipelines (spark on python/scala)
3. Solidity + hardhat for smart contracts (in the future, rust, go and move)
4. AWS & Terraform
5. Full nodes

You can expect to do some or all of the following:

1. Read through protocols’ whitepapers and smart contracts to derive metrics and analyze risks
2. Architect the backend for APIs, async jobs, and blockchain integration
3. Build clean, concise APIs for customer integration, along with the documentation
4. Setup, run and maintain full and archive nodes across different chains
5. Integrate with multiple partners like exchanges and custody providers
6. Fool-proof security across the stack - encryption, hashing, privacy, VPC, etc.
7. Infrastructure as code - build terraform scripts and ensure easy replication of the infra across different regions
8. Research the top DeFi protocols to uncover better insights for our customers and evaluate their risk profiles, security, and historical returns
9. Manage production deployments, logging, and monitoring

We expect you to be fairly comfortable with working with both web3 and web2 stacks. We do not expect that you have web3 experience on day 1, but you should be willing to wear multiple hats, learn things quickly and move fast.

1. Generalist, a solid engineer who can learn things on your own and have an eye for clean, tested, and well-documented code
2. We don’t look at the number of years of work experience as a criterion, but rather see what you have done in your life so far (side projects, open-source contributions, blogs, etc.). We don’t care about degrees, the institutions you went to, or the companies you worked for before. We are open to talking as long as you have good judgment, great clarity, align with our values and have a strong track record of thoughtful work
3. Understand the fundamentals of building and integrating APIs and secure systems. Bonus if you know a bit about blockchains and protocols
4. You can be strong on the backend, front-end, or can dabble everywhere. We want you to play to your strengths and will provide enough opportunities to learn and do things outside of your comfort zone

Pay and benefits We offer a solid, competitive package (including early-stage equity) that is location agnostic. We give you the flexibility to choose the split between cash and equity.

• 3+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

 JD / Skills Sets

1. Good knowledge on Python

2. Good knowledge on My-Sql, mongodb 

3. Design Pattern

4. OOPs

5. Automation

6. Web scraping

7. Redis queue

8. Basic idea of Finance Domain will be beneficial.

9. Git10. AWS (EC2, RDS, S3)

Hiring for Node JS Developer. 

We Foresee a Blockchain Expert in You!
The best technologists are technology agnostic and that builds a stronger foundation to lead the dynamic trends. Strengthening our trust in the same, we have created an exciting opportunity for MERN Stack developers to learn blockchain and grow with us.
All we are looking for is working experience as a Node JS developer and a keen interest in fintech applications.

As a rapidly growing blockchain company, Antier Solutions is always looking for professionals who have a penchant for new technologies.

Required Candidate profile

Primary Skills: 

• Strong working knowledge of Typescript, MongoDB, Express
• Strong proficiency in TypeScript, Javascript including DOM manipulation and the JavaScript object model, ES6
• Strong understanding of NodeJS fundamentals
• Knowledge and experience working with PostgreSQL is a major plus
• Experience with ORM libraries
• Familiarity with RESTful APIs
• Experience in troubleshooting and RCA of Production issues Analyze logs in Kibana Elastic Search
• Knowledge of tools like Git, Github, JIRA, Cucumber, Jasmine, and others that make coding more efficient and easier to share
• Familiarity of working in either the AWS Cloud or Azure including Docker + Kubernetes based microservice deployment

Following are the things that we are looking for in our NodeJS developer:

• Full SDLC knowledge, preferably in an agile environment.
• Strong written and verbal communication skills. Strong critical thinking & problem solving skills.
• Understanding of Unix / Linux based systems.
• Hands-on exposure to deeply linked relational databases – preferably in MySQL
• Ability to take a feature or product through the full Software Development Life Cycle.
• Strong communication skills, including the ability to both collaborate well and also the ability to convey technical ideas and concepts to non-technical stakeholders.
• Identify the interaction needs and how the API. must be developed based on design comps, product specs, etc.
• Continuously evaluate and implement new technologies to maximize development efficiency.
• Address and prioritize production level bugs and application performance improvements.
• An adaptable attitude and understanding of the agile methodology.
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Collaborate with cross-functional teams to define, design, and release new features.

We are looking for a high-performing Developer to build our ecommerce platform and API framework powered by Machine Learning and Artificial Intelligence. Candidates for this role will be passionate about well-written code, testing, and excel at coming up with simple approaches to complex problems.

Our work culture is overachiever, very amiable, and at the same time always charged with excitement. We encourage our team members to take responsibility and grow into future leaders in the industry.

Job Responsibilities:

• Understand project requirements, writing bug-free clean code and ensure that the solution works per the agreed architecture, SLAs, KPIs and business model
• Integrate Django backend with third party API
• 100% Hands-on role
• Adapt to rapidly evolving requirements and changing priorities and drive the team accordingly
• Reverse engineer for debugging errors in code and ensure quality control in the process.
• Continually drive products towards a meaningful balance between user needs, business objectives and technical feasibility
• Operate in a hyper-collaborative way and follow these guiding principles: Value common sense and simplicity over complexity.

Qualifications:

• Bachelor or Master Degree in Computer Science from a reputed University
• 3 to 5 years of experience working in Django and Python.
• React and/or Angular for front end
• Proficiency in MongoDB and MySql
• Technical Skills: JIRA, Gitlab, Rest API, GCP or AWS
• Experience in performance profiling, tuning, and optimization, caching mechanisms with Enterprise level applicants
• Experience in writing unit testing and test case automation.
• Ability to operate in an Agile environment with a start-up mentality and unstructured environment, Energy, drive and passion to work, and operate in a digital world.

Our backend(NodeJS+PHP) team is passionate about technology, and we love building scalable web solutions keeping performance in mind.We're looking for a full stack developer that has experience developing a variety of Web Apps using the PHP and NodeJS stack.

Role + Responsibilities:

• Work with the team to design, develop and support scalable applications        
• Developing API’s(REST), designing the database schema and implement same in web frameworks like Laravel and Express along with ORM(including migration script and seeds data)    
• Very good end-to-end debugging skills in PHP and NodejS stack.    
• Write, test, and release production-ready code.        
• Work with our DevOps team to ensure continuous deployments of our applications

Person Specification and Qualifications:

• Experience developing highly scalable services and APIs(in NodejS and PHP frameworks)    
• Knowledge of data modelling and database performance using NoSQL/SQL    
• Strong experience with PHP framework like Laravel(PHP) and JS frameworks like Express, and other Framework In nodeJS.    
• Good knowledge in code versioning(git or svn)    
• Good knowledge in html templating, javascript, html and css.    
• Good experience with code deployment on server like ubuntu, linux.    
• Knowledge of SDK integration(social media sdk like Facebook, google, etc and cloud services sdk like AWS and Azure)    
• Familiarity developing SaaS applications in AWS/Azure cloud services.        
• In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications