Blockchain Developer/ Architect

What You'll Do

• Build and maintain web & backend systems using Python & Node.js
• Create custom workflows and automations
• Do code reviews, fix bugs, manage databases
• Work with teams to understand and deliver solutions
• Write clean, well-documented code
• Mentor junior developers

What We Need

• 2–6 years of software development experience
• Strong in Python, Node.js & REST APIs
• Experience with workflow/automation tools
• Self-driven, good communicator, team player

Perks of This Role

• Lead your own projects
• Mentor junior devs
• Direct access to stakeholders & leadership

Job Description: Full Stack Developer 

Role Overview

We are seeking a skilled Full Stack Developer with a minimum of 3+ years of hands-on experience in building modern web and mobile applications. The ideal candidate will have strong expertise in React and/or Flutter on the frontend, backed by Java based backend development, and the ability to work across the full software delivery lifecycle.

This role requires a pragmatic engineer who can translate business requirements into scalable, maintainable solutions while collaborating effectively with product, QA, and DevOps teams.

Key Responsibilities

• Design, develop, and maintain full-stack applications with responsive web and/or cross platform mobile interfaces
• Build and optimize frontend components using React and/or Flutter with a focus on performance and usability
• Develop backend services and APIs using Java (Spring / Spring Boot preferred)
• Integrate frontend applications with backend services via RESTful APIs
• Write clean, well structured, and testable code following best practices
• Participate in architecture discussions, code reviews, and technical decision-making
• Debug, troubleshoot, and resolve application issues across the stack
• Collaborate closely with designers, product managers, and other engineers
• Support deployments and work with DevOps pipelines where required

Required Skills & Experience

• Minimum 3 years of professional experience as a Full Stack Developer
• Strong experience with React and/or Flutter
• Solid backend development experience using Java
• Experience building REST APIs and integrating frontend with backend services
• Working knowledge of HTML, CSS, JavaScript, and modern frontend tooling
• Familiarity with relational databases (PostgreSQL/MySQL) and basic query optimization
• Experience with Git and collaborative development workflows
• Understanding of application security, authentication, and authorization concepts

Preferred Skills

• Experience with Spring Boot, Hibernate/JPA
• Exposure to Node.js or Angular
• Experience with cloud platforms (AWS preferred)
• Familiarity with CI/CD pipelines and containerization (Docker)
• Experience building offline capable or mobile first applications
• Prior work in enterprise or product based environments

Soft Skills

• Strong problem solving and analytical abilities
• Good communication skills and ability to work in cross functional teams
• Ownership mindset with attention to code quality and maintainability
• Ability to adapt quickly in a fast paced development environment

Experience Level

• 3+ years of relevant full stack development experience

Educational Qualification

• Bachelor’s degree in Computer Science, Information Technology, or a related field
• A Master’s degree or equivalent exper

Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis.

Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyze medical images and create 2.0 of advanced radiologist reporting.

We are backed by Y Combinator and other investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.

Join us, if you find this as exciting as we do!

Description:

We are looking for a skilled computer programmer who is comfortable with both front and back end programming. Hands-on with UI and server-side is highly desirable.

You will get hands-on experience in the latest technologies and skills like ReactJS, NodeJS, MongoDB, REST API etc. This role is ideal for you if you have a background in Full Stack development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.

Responsibilities:
- Developing front end app components.
- Developing backend apis and middlewares.
- Designing and scaling databases and servers.
- Ensuring responsiveness and cross-platform compatibility of applications.
- Owning and delivering end-to-end products, features, enhancements.

Requirements:
- Degree in Computer Science or related discipline with 3-7 years of experience.
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript
- Hands on with Reactjs or similar framework/library.
- Proficiency with server side languages such as Nodejs, Python, PHP.
- Prior experience with at least one no-sql database such as MongoDB.
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
- Very high sense of ownership.
- Deep interest and passion for technology

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.

• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software

• Proven experience as a Full Stack Developer or similar role
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. NodeJs, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• Degree in Computer Science, Statistics or relevant fiel

Swaypay is looking for a detail driven Senior Full Stack Software Engineer with remote startup experience who is comfortable asking “why?”. We want someone who can prioritize well, communicate clearly, and has a track record of delivery and excellent software engineering skills.

You'll work with the team to plan, shape, and build our new product features for both mobile and web. You'll get to use some of the latest technologies in order to build the best product possible.

During your time here, you will get the opportunity to work with most (if not all) of our systems — improving consumer facing products, helping to build the API, improving internal tooling, and simplifying our developer experience.

What you’ll do

• Work closely with other developers, UX designers
• Write and test code to ensure stability while refining as necessary
• Expand existing software and write new software to meet the evolving needs of our key demographics
• Build our mobile and web applications using React Native and React
• Write test cases to ensure product functionality across versions
• Design and implement the overall architecture of the system
• Design, construct, and integrate our API offerings
• Take complete ownership of features/work and deliver end to end

What we’re looking for

• 5+ years of experience building mobile and web applications using modern frameworks
• 2+ years of experience with React Native (mandatory)
• 1+ years of experience with backend technologies such as NodeJS, Golang, or Python
• Understanding of AWS, production deployment, and monitoring tools. K8 / Docker Swarm experience is an added bonus
• Excellent verbal and written communication
• “If it can go wrong – it will go wrong" mindset
• Familiarity with both unit and e2e tests
• Experience with databases (MySQL or other relational database)

You will be a great fit if you

• Are proactive about anticipating needs and solving for them before they become a problem
• Enjoy being part of a highly collaborative environment, including healthy conflict and debate to ensure the best product possible
• Have the ability to be self-directed and be effective working independently, yet feel equally comfortable contributing in a team environment
• Value quality
• Enjoy keeping up with the latest release to ensure our products are state of the art

Benefits

• Competitive pay and equity
• Remote-friendly
• Beautiful office in Jaipur (after COVID restrictions lift)
• India team retreats to places like Goa (after COVID restrictions lift)

Who We are:

Paxcom a leading Digital Solution Provider is a part of Paymentus now, a leading electronic bill payment provider. PaymentUs leads the North American marketplace in electronic bill payment solutions and have recently signed a partnership with Paypal, Alexa and Walmart. We are looking for passionate programmers skilled in Java, Python, Angular, NodeJS, Python, Jenkins, Postgresql, Docker, Kubernetes, Spark and AWS to join our development team.

For more details, please visit https://paxcom.ai/

Why Join Us?

Get a chance to contribute and get recognition from Day 1.

You hate micromanagement and are able to take your decision independently. 

Enjoy flexible and relaxed wok environment.

Work 5 days a week (Enjoy work-life balance).

A friendly, Supportive, Professional and achievement-oriented management team

Competitive remuneration.

An opportunity to learn new things every day.

You Enjoy:

Ideal resource should be from Java background with a minimum of 3+ years’ experience in Java technologies.

Should have extensive experience working with Spring, Any ORM and Restful Web services.

Strong experience building, designing, and consuming Restful web services.

Must have experience with spring boot/Spring MVC

1+ years’ experience with one or more JS frameworks: NodeJS/Express, Angular, React, ExtJS, Vue is preferred

Experience / Knowledge of Agile Scrum methodology.

Should have used GIT and be self-dependent on resolving merge conflicts.

Should be familiar with build tool like Maven or Gradle.

Excellent verbal and written communication skills.

Ability to handle small teams and mentor them.

Leader, Doer & Architect for Enterprise Java applications

Experience of payment card industry is a plus.

Tech Stack:

Java 8+

Microservices

REST 

Spring Framework 4/5

MySQL 5.6/Oracle

Nice To have (CPM Scheduling, Angular/React, NodeJS)

Linux, GIT, Docker, kubernetes, Cloud, AWS,Kafka

Building tools like Maven, Ant, Gulp

•  JAVA/J2EE (Mandatory)
• HTML/CSS – Basics would suffice
• JavaScript, JQuery, JQWidgets – Must be proficient and core skill requirement

•  .NET Framework (v4.5 and above) + C# (v5 and above) programming language: Core skill set and mandatory
• Windows WCF (SOAP) /Web-API (REST using JSON): Must be proficient
• Windows Server knowledge – IIS + Windows services: Basics from deployment perspective
• MS SQL server: Must be proficient with queries and database objects

• Minimum 3 years as a technical lead
• Experience in Business, Data, Technical Architecture and leveraging tools
• Ability to triage complex problems into smaller units that are amenable to being solved.
• Inquisitive and analytical mind
• Proven ability to manage non-direct reports to achieve results and to work in a multi-cultural multi-functional environment where consensus is critical for success
• Customer and end-user focused and have excellent oral and written communications skills