Backend developer- Python (Domain-Trading/Fintech)

Job Title: Golang Developer

Location: Kolkata

Job Type: Full-time

Working Days: 5 Days (Rotational off)

About the Role:

We are seeking a skilled Golang Developer with experience in Golang, Node.js, WebSocket

communication, and API development. In this role, you will work closely with our development

team to design, develop, and maintain high-performance backend systems and real-time

applications.

Key Responsibilities:

 Design, build, and maintain efficient, reusable, and reliable Golang code.

 Develop scalable APIs and microservices.

 Integrate and build real-time communication using WebSocket protocols.

 Collaborate with frontend developers and other team members to establish objectives

and design more functional, cohesive systems.

 Write clean, maintainable, and well-documented code.

 Optimize applications for maximum performance, scalability, and security.

 Participate in code reviews, contribute to team knowledge, and continuously improve

development processes.

 Troubleshoot, debug, and upgrade existing systems.

 Occasionally work with Node.js services and modules when needed.

Required Skills and Qualifications:

 Min 3+ years of experience in backend development with Golang.

 Solid understanding of Node.js and JavaScript/TypeScript.

 Hands-on experience with WebSocket integration and real-time applications.

 Strong knowledge of RESTful APIs, API design principles, and API documentation. Experience with relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).

 Good understanding of concurrent programming and microservices architecture.

 Familiarity with cloud platforms (AWS, GCP, Azure) is a plus.

 Knowledge of containerization tools like Docker and Kubernetes is a plus.

 Strong problem-solving skills, attention to detail, and a proactive attitude.

Required technical skills

• 3+ years of experience as a software developer using GoLang with > 3 years prior experience in an Object Orientated language
•  At least 1 year working experience on Linux operating system

Nice to have:

• Experience in the finance industry or knowledge of financial products/markets
• BA/BS in Computer Science or equivalent practical experience
• Java experience
• Experience with multi-tier application architecture and streaming systems
• Message streaming using Kafka
• Knowledge and experience adhering to software development life cycle best practices including test-driven development, unit testing discipline, agile development, and CI/CD strategies
• Working knowledge of building and deploying distributed systems      
• Experience with cloud technologies like Kubernetes, Docker, AKS

• Bachelor's degree in computer sciences, software engineering, or equivalent.
• Experience with Go language programming and other backend technologies such as NodeJS/ExpressJS, preferably in Security/enterprise/SaaS products. 
• Exposure to one or more cloud platforms (AWS, GCP, Azure), containers and kubernetes.
• Hands-on experience with microservices architecture, Rest APIs, databases such as PostgreSQL/mongodb, distributed systems, data engineering technologies, etc.
• Strong analytical and problem-solving skills, and keen attention to detail.
• Knowledge of the modern SDLC practices, Agile methodologies, tools such as Jira, and software configuration tools such as GitHub.
• Capable of balancing multiple priorities and remaining flexible in a changing environment.

Brief Overview:

Through your work at Vauld, you will have the opportunity to change money for the 21st century. We’re a leading cryptocurrency platform and are passionate about increasing economic freedom around the world. 

We are looking for a Lead Backend Engineer who has hands-on experience working with and leading Product teams and has solved for and built complex backend solutions. You'll be involved with bringing features and products from idea to completion and mentoring an incredibly talented group of peers.

If you are looking for a challenging work environment where you can grow and deepen your technical skills as a backend engineer and architect, we’d love to chat with you!

Key Responsibilities:

• Working with CXO’s, product managers, devops, and frontend engineers to collaboratively own the backend-end layer for Vauld’s application.
• Architect and build highly scalable, secure features keeping the long term vision of the product.

Requirements:

• You have 7 years or more of backend development experience with expertise in designing and implementing high-performance applications.
• Worked with and built high performance products using Node Js/GoLang/ Python and have seen the product evolution cycle from PoC to Production 
• You have a deep understanding of design principles and can rightly judge/implement solutions to complex problems
• You are capable of writing high-quality code that conforms to the standards and best practices in a particular language/framework.
• You have experience building a product using a mainstream library or framework.
• You love to own end to end responsibility, starting from defining the problem statement (either yourself or alongside your peers), development (PoC if needed), testing, releasing in staging & then production environment, and finally monitoring.

Preferred:

• Previous work experience in product-based startups
• Experience building for products that have scaled and have seen the product evolution
• Understands the cryptocurrency landscape

Working at Vauld:

You will join a fun and intellectually stimulating work environment. If you’re excited by the idea of making a real impact and joining a team where we pride ourselves on being disruptive and ambitious, a career with Vauld is perfect for you.

We are looking for a great Go developer who possesses a strong understanding of how best to leverage and exploit the language’s unique paradigms, idioms, and syntax. Your primary focus will be on developing Go packages and programs that are scalable and maintainable. You will ensure that these Go packages and programs are well documented and has a reasonable test coverage. You will coordinate with the rest of the team working on different layers of the infrastructure. A commitment to collaborative problem solving, sophisticated design, and quality product is essential.

• Writing scalable, robust,, testable, efficient, and easily maintainable code

• Translating software requirements into stable, working, high performance software

• Playing a key role in architectural and design decisions, building toward an efficient micro services distributed architecture
  
  
  

   
   

We at Fabzen Technologies are looking for a knowledgeable and experienced individual to fulfil the role of Spring boot developer.

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering or related field.
• Professional experience on a software development team as a developer.
• Strong software documentation skills.
• Ability to comprehend and implement detailed project specifications as well as the ability to adapt to various technologies.
• Strong problem-solving skills.
• Understanding of Software Development Life Cycle.
• High attention to detail.
• Excellent troubleshooting and communication skills.
• Able to work well in a team setting.

The candidate must be proficient at:

• Socket programming
• Async await and promises
• Databases such as mongo, MySQL
• Passport JS for Google and Facebook integration
• Working on APIs with authentication and authorization
• Building frontend for mobile applications
• MVC architecture

Responsibilities:

• Work closely with the development team to deliver code as required for the applications and their updates.
• Ensure the design and development of the application fulfil our requirements and achieve desired objectives.
• Ensure company standards are followed; Project schedules and issues are effectively managed, and the same is effectively communicated.
• Ensure documentation, knowledge sharing, and training in new software.
• Create technical specifications and test plans.
• Monitor the functioning of the application and provide suggestions and support to maintain the same.

Experience in a game development company or in developing gaming applications would be an added advantage.

• A Golang developer role is to build optimized, scalable, and modular software using required technologies. You are tasked with developing and coding back-end components and connecting applications to other web services.

• Research and test new technologies
• Collaborating with others to build and develop a quality
• Monitoring and Oversee company’s data
• Managing users and user roles
• Detecting, announcing, and correcting errors
• Proposing alternative solutions

• To cooperate with other stakeholder to design, develop, test, release and improve services
• Maintain development standards, practices & principles
• Build scalable and maintainable software
• Analytical approach on what and how

• At least 4 years of experience with Golang.
• Have expertise in implementing micro services (using tools and technologies for messaging, RPC, containerization, etc.)
• Experience working with SQL/NoSQL databases, ability to write complex queries and optimize them
• Understanding of containerization technologies (Docker, RKT, Kubernetes, etc.)
• Basic experience with CI/CD systems (Jenkins, TeamCity, GoCD, Concourse, etc.)
• Basic experience working with AWS/Google Cloud