Backend Developer (Node) - Senior/Expert

Description

Job Summary: We are looking for a Mid-to-Senior Backend Developer with strong experience in system development, deep database expertise, and solid infrastructure awareness—autonomous and analytically capable. Key Highlights: 1. Contribute to architectural decisions and technical evolution of systems 2. Focus on databases (modeling, optimization, tuning, and integrations) 3. Mature, organized professional with a systemic perspective **Welcome to OpenCircle!** At OpenCircle, we believe in the power of collaboration, innovation, and continuous growth. We’re on an exciting journey to transform the world through software—and you can be a pivotal part of this mission. **Who We Are** We are a technology company specializing in Systems Development, offering a comprehensive portfolio for digital transformation—with focus on innovation and tangible results. Our purpose is to become the world’s best Technology Consulting firm, delivering an extraordinary journey for our clients. **Our Values** Deadlines Are Sacred: We meet deadlines with excellence, fully recognizing their importance to client success. We Take Responsibility for Our Actions: We fully own our decisions and outcomes. We Act with Transparency: Open and honest communication ensures clarity and trust. We Focus on Results: We deliver impact and quality—exceeding expectations. We Put Ourselves in Others’ Shoes: We practice empathy, considering others’ needs. We Pursue Excellence: We constantly surpass our own standards. We Are Fully Committed: We demonstrate unwavering dedication to our goals and clients. We Are Ambitious and Passionate About the Journey: Our motivation stems from passion for what we do. * **️ What We Do** We were founded to bring innovation and top-tier technology into enterprises—simplifying people’s daily lives.**Our Services** Managed Squads: Dedicated teams for complex projects. Talent Allocation: Experts to strengthen client teams. Project Studios: End-to-end solutions—from planning to execution. Managed Services (AMS): Continuous IT operations support. Open as a Service (OaaS): Full access to OpenCircle’s technology ecosystem. **Our Studios** Digital Studio Mobile, Web, and Modern Apps development. Cloud & DevOps for scalability. Solution Architecture, Quality Assurance, and Low-Code Apps. Innovation Studio Product Management. Agile Methodologies. User-Centered Design. Data AI & Automation StudioData & Analytics. Artificial Intelligence (AI). Robotic Process Automation (RPA). **What We’re Looking For?** We seek a Mid-to-Senior Backend Developer with strong system development experience, deep database expertise, and solid infrastructure vision. We want a mature professional with consistent technical posture, autonomy, and ability to see the big picture—from architecture to final delivery. This role requires someone who deeply understands backend environments, possesses strong analytical ability, structured thinking, and can propose efficient, scalable solutions. We value professionals familiar with Agile methodologies—but not rigidly bound by them—prioritizing real team delivery and efficiency. **Responsibilities:** Develop, maintain, and optimize scalable and robust backend APIs and services; Work with strong emphasis on databases (modeling, optimization, tuning, and integrations); Participate in architectural decisions and technical evolution of systems; Collaborate closely with infrastructure teams to ensure stability, security, and performance; Contribute to integrations, logging, monitoring, and automation; Identify bottlenecks, propose solutions, and uphold engineering best practices; Create and maintain CI/CD pipelines and controlled environments; Provide technical support to the team on complex issues and mentor less experienced colleagues when needed; Collaborate flexibly and results-oriented within Agile squads (Scrum/Kanban). **✨ Nice-to-Haves** Experience with microservices; Proficiency in cloud environments (AWS, Azure, or GCP); Advanced application security knowledge; Experience with messaging systems (Kafka, RabbitMQ, SQS, etc.); Experience handling high-volume data environments; Prior involvement in infrastructure, migration, modernization, or architectural restructuring projects. **Behavioral Profile** Mature, organized, and consistent professional; Excellent systemic vision and decision-making ability; Adaptable, without attachment to rigid processes; Clear and collaborative communication; Proactive in problem-solving and risk anticipation; Autonomous with strong ownership over deliverables. Requirements: Technical Requirements Solid experience as a Backend Developer; Proficiency in one or more backend languages (Node.js, Python, Java, .NET, etc.); Expertise in relational and/or NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis, etc.); Strong infrastructure foundation: servers, networking, containers, cloud, automation, and monitoring; Experience with REST APIs and service integrations; Hands-on Git and development pipeline experience; Experience with scalable architectures, development best practices, and design patterns; Knowledge of Agile methodologies—without excessive rigidity.