Encora Inc.

Senior Software Engineer - VoIP expert

Encora Inc.  •  Federative Republic of Brazil (Onsite)  •  22 days ago
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Job Description

Important Information

Location: Brazil
Job Mode: Full-time
Work Mode: Work from home

The objective of this role is to contribute to the development of a scalable and high‑performance Voice platform by building production‑ready VoIP solutions, addressing complex technical challenges, and optimizing real‑time communication pipelines. The position focuses on SIP‑based systems, FreeSwitch integration, and backend service development, while collaborating with DevOps teams to deploy and operate solutions in AWS and ensuring code quality through reviews, architecture discussions, and documentation.

Responsibilities and Duties

  • Actively contribute to the codebase by writing production code, prototyping critical components, and resolving complex technical challenges;
  • Develop and maintain VoIP solutions for the Voice platform, including SIP signaling, traffic routing, and global scalability;
  • Lead the integration and customization of FreeSwitch as a core media server and softswitch platform;
  • Develop robust backend services using C, Java, Python, Golang;
  • Collaborate with DevOps and infrastructure teams to deploy and maintain solutions on cloud environments (AWS);
  • Participate in code reviews, architectural discussions, and technical documentation;
  • Investigate and resolve performance bottlenecks in real-time communication pipelines.

Essential Skills

  • Voice & SIP Expertise: In-depth knowledge of Session Initiation Protocol (SIP) and real-time communication fundamentals (RTP/RTCP, codecs, NAT traversal);
  • FreeSwitch: Proven experience configuring and developing with FreeSwitch (ESL, dialplan, modules);
  • Backend Development: Proficiency in high-performance languages such as Golang, C, Java or Python;
  • Cloud: Familiarity with AWS services for deployment and infrastructure.

About Encora

Encora is the preferred digital engineering and modernization partner of some of the world’s leading enterprises and digital native companies. With over 9,000 experts in 47+ offices and innovation labs worldwide, Encora’s technology practices include Product Engineering & Development, Cloud Services, Quality Engineering, DevSecOps, Data & Analytics, Digital Experience, Cybersecurity, and AI & LLM Engineering.

At Encora, we hire professionals based solely on their skills and qualifications, and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.

Encora Inc.

About Encora Inc.

Encora is a global digital engineering company built for a new era of AI-powered businesses. Forged in Silicon Valley, we grew up serving digital natives who demanded speed, scale, and flawless experiences. Today, we bring that same DNA to enterprises worldwide, enabling speed and hyper-adaptability, moving them further along their quest to become more composable and agile.

With two decades at the convergence of Cloud, Data, and AI, we help organizations move beyond rigid, legacy models to become composable enterprises, through adaptive systems designed to sense change and reconfigure in real time.

More than 9,500 engineers, designers, and domain experts across the Americas, Europe, India, and Southeast Asia give Encora the ability to combine nearshore agility with global scale. Backed by Advent International and Warburg Pincus, we deliver innovation acceleration and modernization across industries, powered by Encora AIVA™, our orchestration platform for AI-native engineering.

We believe the future won’t be built by humans or machines alone, but by human creativity amplified by limitless machine intelligence. At Encora, that’s how we help our clients build fast and adapt faster.

Industry
IT & Software
Company Size
5,001-10,000 employees
Headquarters
Santa Clara, California
Year Founded
Unknown
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