Senior Java Developer

As a Senior Backend & Infrastructure Engineer, you will take ownership of backend systems and cloud infrastructure. You’ll work closely with our CTO and cross-functional teams (hardware, AI, frontend) to design scalable, fault- tolerant architectures and ensure reliable deployment pipelines.

1. What You’ll Do :

• Backend Development: Maintain and evolve our Node.js (TypeScript) and Python backend services with a focus on performance and scalability.
• Cloud Infrastructure: Manage our infrastructure on GCP and Firebase (Auth, Firestore, Storage, Functions, AppEngine, PubSub, Cloud Tasks). 
• Database Management: Handle Firestore and other NoSQL DBs. Lead database schema design and migration strategies.
• Pipelines & Automation: Build robust real-time and batch data pipelines. Automate CI/CD and testing for backend and frontend services.
• Monitoring & Uptime: Deploy tools for observability (logging, alerts, debugging). Ensure 99.9% uptime of critical services.
• Dev Environments: Set up and manage developer and staging environments across teams.
• Quality & Security: Drive code reviews, implement backend best practices, and enforce security standards.
• Collaboration: Partner with other engineers (AI, frontend, hardware) to integrate backend capabilities seamlessly into our global system.

Must-Haves :

• 5+ years of experience in backend development and cloud infrastructure.
• Strong expertise in Node.js (TypeScript) and/or Python.
• Advanced skills in NoSQL databases (Firestore, MongoDB, DynamoDB...).
• Deep understanding of cloud platforms, preferably GCP and Firebase.
• Hands-on experience with CI/CD, DevOps tools, and automation.
• Solid knowledge of distributed systems and performance tuning.
• Experience setting up and managing development & staging environments. 

• Proficiency in English and remote communication.

Good to have :

• Event-driven architecture experience (e.g., Pub/Sub, MQTT).
• Familiarity with observability tools (Prometheus, Grafana, Google Monitoring).
• Previous work on large-scale SaaS products.
• Knowledge of telecommunication protocols (MQTT, WebSockets, SNMP).
• Experience with edge computing on Nvidia Jetson devices.

What We Offer :

• Competitive salary for the Indian market (depending on experience).
• Remote-first culture with async-friendly communication.
• Autonomy and responsibility from day one.
• A modern stack and a fast-moving team working on cutting-edge AI and cloud infrastructure.
• A mission-driven company tackling real-world environmental challenges. 

About the Role:

We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.

Key Responsibilities:

• Design, develop, test, and maintain Java-based applications.
• Write clean, efficient, and reusable code following best practices.
• Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and contribute to continuous improvement.
• Stay updated with emerging trends, tools, and technologies in the Java ecosystem.

Required Skills & Qualifications:

• Strong proficiency in Core Java (Java 8/11/17).
• Experience with frameworks such as Spring / Spring Boot / Hibernate.
• Good knowledge of REST APIs, Microservices architecture.
• Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
• Understanding of multithreading, collections, and design patterns.
• Experience with version control systems (Git) and build tools (Maven/Gradle).
• Solid problem-solving skills and ability to work in an Agile environment.

Good to Have:

• Exposure to cloud platforms (AWS, Azure, GCP).
• Knowledge of containerization (Docker, Kubernetes).
• Experience with messaging systems (Kafka, RabbitMQ).
• Familiarity with CI/CD pipelines.

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

Preferred Skills:

• Good communication skills in English (Written and Oral)
•  Strong knowledge of RDBMS concepts
•  Strong analytical and problem-solving skills
•  Experience in performance tuning
•  Experience in interaction with the customer
• Mandatory technical skills Java, Spring boot , Microservices , Hibernate
• Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence) 
•  Ability to explore the application by himself/herself from the training provided.

Responsibilities:

• New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
•  Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
• Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
• Level 2 and Level 3 support (Support process adherence)
• Functional and technical or solution documentation preparation
• Execution will either be Waterfall or Agile
• The process needs to be followed as defined by RBEI or RBEI’s Customer
• Preparation & participation in the project status and review meeting

• Mandatory skills -PHP Experience.
• Experience in web application development and web developer.
• Good Knowledge of PHP, MySQL, jQuery, Javascript, HTML5, CSS3, XML
• Good debugging skills .
• Expertise in MVC Frameworks and good technology exposure of CI/Larvel frameworks added advantage.

We are looking for Senior PHP Developers (Laravel+ CI) 

Experience - 2-6 years 

Location - Ahmedabad, Gujarat. (Work from Office)

5 Days working 

Required Skills: 

• Should have good communication skill
• Must have worked on CI
• Must have worked on API security, API, Webhooks, Sockets, on caching of API and optimize communication between 3rd party(Optional)
• Must have done 3rd party API integration with inbound and outbound communication.
• Should be capable enough to do documentation of API
• Knowledge about REST and SOAP API and GDPR compliances can be optional.
• Must worked on caching of API and optimize communication between 3rd party
• Experience in Laravel and MySQL would be added advantage
• Should have Worked on MVC,HMVC(Optional) and PHP architecture

• HTML/CSS/ES6 Javascript, Java 8 and any Java based web framework
• Adobe experience Manager (AEM) Apache Sling, JCR, OSGI
• Good knowledge in Apache Sling framework
• Good knowledge in Java content repository API
• Good knowledge in Apache Jack rabbbit framework
• Knowledge of OSGI and Declarative Services
• Strong understanding of REST Principles and Hands on experience REST based API  development
•  Knowledge of Patterns and good practices to design and develop quality and clean code
• Experience in Pair programming and code reviews
• Experience with testing at all levels unit, integration, functional and performance
• Experience in Agile Project (Scrum or SAFe) execution is a must
• Familiarity with git, basic git branching strategies, working in a peer-reviewed  environment,able to code to existing patterns/styles
• Familiarity with task management, bug tracking and wiki-based documentation tools like Jiraand confluence

• AEM BE developers must have modern ES6 javascript experience as well as java developer experience
• Must be comfortable working with AEM workflows, scheduled jobs, creating/modifying jcr
• nodes via java code, and accessing REST endpoints via java code
• Ability to create custom AEM CQ components and a good exposure to both core and
•  foundation components that can be inherited in AEM
• Good understanding of AEM web development framework using Apache Sling
• Create multiple OSGI Bundles in the AEM stack based on the requirements of the Project