Job Summary: We are seeking a Mid-to-Senior Backend Go Developer to build and evolve native integrations, solving real-world problems while ensuring security and scalability. Key Highlights: 1. 100% remote work 2. Culture of trust, autonomy, and collaboration 3. Human-centered leadership without micromanagement **About Clicksign** We are a Brazilian market-leading electronic signature company. In essence, we facilitate relationships between people and businesses in the digital environment. Behind our cutting-edge technology and strong focus on security lies our mission to drive global growth by making digital relationships increasingly intelligent. **How We Work:** Our core value is Trust. We work with focus, pace, clear communication, and data-driven decision-making. We work meticulously—putting care and quality into everything we do. Empathy and respect are foundational pillars of our team. **Job Description** We are looking for a **Mid-to-Senior Backend Go Developer**, specialized in building native integrations, to design and enhance integrations between Clicksign and key market systems. This role is ideal for candidates who enjoy solving real integration challenges and prioritize building features that deliver tangible value to customers, while ensuring service security and scalability. You will work within a multidisciplinary team, closely collaborating with Product, Design, QA, and Partner Engineering in a collaborative, fully remote setting. **Responsibilities & Duties** * Develop and evolve **native integrations and backend services in Go**, emphasizing stability, clarity, and reliability. * Build and consume **RESTful APIs**, integrating Clicksign with external systems. * Define technical standards (architecture, observability, integration, security), documenting them via RFCs and ADRs. * Implement integrations based on **webhooks, events, and asynchronous workflows**. * Work with **API contracts**, versioning, and consistent error handling. * Collaborate with Design, Product, and QA to ensure integrations solve real customer problems. * Write **readable, testable code aligned with engineering best practices**. * Participate in **code reviews** and technical discussions collaboratively. * Support maintenance and evolution of existing production integrations. **Requirements & Qualifications** * 4+ years of experience in software engineering. * Production experience with Go. * Experience designing architectures for complex systems, microservices, and high-volume integrations. * Proven experience with AWS (managed services, networking, security, automation). * Experience with Docker and Kubernetes. * Solid knowledge of relational and non-relational databases (e.g., Postgres, DynamoDB, Datomic). * Proven experience with AWS messaging services (SQS, SNS). * Proficiency with Git and version control best practices. * Hands-on experience **consuming and building RESTful APIs**. * Experience with **API authentication, authorization, and security**. **Nice-to-Have:** * Production experience with Ruby. * Operating and monitoring production systems using tools such as Datadog. * Knowledge of **service-oriented architectures**. * Experience with **queues, events, or asynchronous processing**. **Bonus:** * Experience integrating large-scale enterprise systems such as Salesforce, SAP, Oracle, or TOTVS. * Experience with B2B integrations in corporate environments. * Experience in high-scale, fast-growing environments. **Additional Information** **What You Can Expect From Us?** **** * 100% remote work. * A culture of trust, results-orientation, significant challenges, and continuous learning. * Autonomy and ownership, within a highly collaborative and empathetic environment. * A feedback-driven culture and regular 1:1s with human-centered leadership—no micromanagement. * Comprehensive benefits including meal/food allowance, childcare assistance, remote-work support, health coverage, education and culture allowances, Gympass, birthday time-off, discounts on therapy and English courses, and other partnerships. We are a Brazilian market-leading electronic signature company. In essence, we facilitate relationships between people and businesses in the digital environment. Behind our cutting-edge technology and strong focus on security lies our mission to drive global growth by making digital relationships increasingly intelligent. Our core value is Trust. We work with focus, pace, clear communication, and data-driven decision-making. We work meticulously—putting care and quality into everything we do. Empathy and respect are foundational pillars of our team.