Sr. Protocol Developer (Golang)

Who You Are:

• You’ve built scalable, production-ready APIs in fast-paced environments, and are comfortable with the challenges that come with a growing startup.
• You understand event-driven architectures and have hands-on experience building real-time applications.
• You are fully capable of taking ownership of backend systems, from designing the database schema to writing efficient, maintainable code.
• You think beyond the code: optimizing performance, scalability, and security are as important as building new features.
• You’re comfortable troubleshooting complex issues, whether that’s API bottlenecks, database performance, or production issues.

Responsibilities:

• Design, implement, and manage a NestJS backend with a modular, scalable architecture that can easily handle real-time events and communication.
• Develop and maintain WebSocket services for real-time event-driven updates and ensure seamless communication across the system.
• Integrate RabbitMQ for reliable internal messaging, handling queues and ensuring event-driven workflows are efficient and fault-tolerant.
• Implement database management strategies using MongoDB, Redis, and Elasticsearch, ensuring efficient data handling, indexing, and optimization.
• Integrate with external APIs (JSON-RPC, XML-RPC, REST) to enhance system capabilities.
• Ensure high performance of the system by optimizing database queries, implementing caching strategies using Redis, and ensuring optimal indexing and data flow.
• Implement role-based authentication and authorization mechanisms using JWT, OAuth, and RBAC patterns within NestJS.
• Follow security best practices to ensure sensitive data is protected, credentials are stored securely, and the system is resilient to common vulnerabilities.
• Work collaboratively with cross-functional teams to ensure seamless integration between different services and technologies.

Must-Have Skills:

• Strong proficiency in Node.js and NestJS with TypeScript.
• Solid experience with MongoDB, Redis, and Elasticsearch for data storage and real-time data handling.
• In-depth knowledge of WebSockets and Socket.IO in NestJS Gateways, enabling real-time communication and updates.
• Experience with RabbitMQ for message queuing and asynchronous task handling.
• Strong understanding of authentication & authorization systems using JWT, OAuth, and RBAC (Role-Based Access Control).
• Expertise in optimizing APIs, including techniques for caching, improving database performance, and reducing latency.
• Familiar with API security best practices, including secure storage of credentials, encryption, and safeguarding sensitive data.

Key Skills:

• TypeScript, NestJS, WebSockets, Socket.io
• Redis, MongoDB, Elasticsearch, RabbitMQ
• API Optimization, JWT, OAuth, RBAC
• Real-time communication, Event-driven architecture

Treflo is looking for an Engineering Lead to join our Product Development team and work on the financial revolution triggered by the dawn of Cryptocurrencies and Smart contracts along with us. As Engineering Lead, you will be leading the Tech teams focused on Building Web 3 products along with the Product Team to ensure smooth execution of Specifications, provide engineering and product development inputs, oversee the company's technical team, analyze briefs, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals. We see successful Leadership as always expanding their industry knowledge and ability to quickly identify problems, understand accountability, and trustworthiness, and be able to build lasting relationships with their teams.

Responsibilities

Determining project requirements and developing work schedules for the team. Delegating tasks and achieving daily, weekly, and monthly goals. Analyzing existing operations and scheduling training sessions and meetings to discuss improvements. Up to date with industry news and emerging best practices and technologies. Working closely in collaboration with the business, product, and design teams. Provide guidance on best implementation. Product Oriented Thinking - should come up with ideas to improve our product continuously and marshal resources at hand.

Requirements

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field. Minimum 4+ years of proven experience in deploying and maintaining Products. Minimum 1+ years of experience building and managing teams. Experience in Web3 stack with a clear understanding of concepts like decentralization, EVM, and cross-chains. Experience with Blockchain development - Smart Contracts, Solidity, Move, Haskell or WASM, etc. Expertise in frontend and backend tech stack - Node JS, Express, Typescript, Solidity, Smart Contracts, ReactJS, Android, Blockchains, Data structures, and Algorithms. Expertise in Databases like MongoDB & MySQL. Experience with solutions like Digital Ocean, Kubernetes, AWS, Docker, etc. Strong leadership, team building, hiring, and organizational abilities.

Desired Skills and Experience Blockchain,JavaScript,Node.js,React.js

Sureify drives customer engagement between the customer and their insurance company by incorporating web & mobile apps, into the insurance product experience. Our product is controlled by our backend dashboard so insurers can get the latest IoT data streaming in. The SaaS platform is designed to ensure that insurers never miss opportunities to increase engagement with their existing customer base.

We are looking for a Full Stack Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works. On the backend, you will have the opportunity to help our product scale and be involved in the further architecture of the Sureify platform.

Responsibilities

• Develop new user-facing features
• Build reusable code and libraries for future use
• Build scalable architecture to support millions of users
• Ensure the technical feasibility of UI/UX designs
• Work closely with the UI/UX designers and product managers
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to the back-end
• Collaborate with other team members and stakeholders

Skills And Qualifications

• Proficient understanding of web markup, including HTML5, CSS3
• 2+ years of experience with Full-Stack web development
• Proficient in PHP or Python or Golang.
• Experience in Golang is an added advantage.
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of asynchronous request handling, partial page updates, and AJAX.
• Use test-driven development and acceptance tests to ensure feature quality
• Excellent relational database skills with MySQL
• Experience with building restful JSON web services
• Knowledge of APIs, such as Twitter, Facebook, Google maps, Instagram, etc.

• Using the latest technologies to solve real problems for our customers at a massive scale
• Collaborating closely with other engineers as a valuable member of a cross-functional team
• Sharing your knowledge and building creative solutions while helping the team evolve best practices
• Designing, developing, and deploying backend services with a focus on high availability, low latency, and scalability
• Taking end-to-end responsibility for the services that are owned by your team, including taking part in an on-call rotation

Who you are

• A minimum of B.S. degree in Information Technology or Computer Science or 5+ years in a similar position
• Able to adapt, change and grow quickly as we scale the organization
• Passionate about engineering practices like agile, continuous delivery, test-driven development, traceability, and observability
• Growth mentality is curious and not afraid to be experimental.
• You share your ideas and continuously improve yourself and the team around you
• Solid experience as an Engineer designing, developing and maintaining API driven solutions
• Strong communication skills, high integrity, and great attention to detail

You’ll get to work with:

• Docker and Kubernetes
• Go and/or PHP
• PostgreSQL, Elastic Search, RabbitMQ
• Memcache, Redis
• Microservices architecture
• ELK, Jaeger, Prometheus & Grafana