Key Facts

Remote From:

Brazil

Category: Software Engineer

Full time

Senior (5-10 years)

English

Hard Skills

Real Time Streaming Protocol (RTSP) FreeSWITCH IP Routing Codecs Software Quality (SQA/SQC) Call Center Experience AWS Cloud Services NAT Traversal Business Software Cloud Computing +14 more

Other Skills

•
Troubleshooting (Problem Solving)
•
Collaboration
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Communication
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Teamwork
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Problem Solving

Roles & Responsibilities

SIP expertise and real-time communication fundamentals (SIP, RTP/RTCP, codecs, NAT traversal)
Proven experience configuring and developing with FreeSwitch (ESL, dialplan, modules)
Proficiency in high-performance backend languages (Golang, C, Java or Python)
Familiarity with AWS services for deployment and infrastructure

Requirements:

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
Collaborate with DevOps and infrastructure teams to deploy and maintain solutions on cloud environments (AWS)

Encora Inc.

About Encora Inc.

Headquartered in Santa Clara, California, and backed by renowned private equity firms Advent International and Warburg Pincus, Encora is the preferred technology modernization and innovation partner to some of the world’s leading enterprise companies. It provides award-winning digital engineering services including Product Engineering & Development, Cloud Services, Quality Engineering, DevSecOps, Data & Analytics, Digital Experience, Cybersecurity, and AI & LLM Engineering. Encora's deep cluster vertical capabilities extend across diverse industries, including HiTech, Healthcare & Life Sciences, Retail & CPG, Energy & Utilities, Banking Financial Services & Insurance, Travel, Hospitality & Logistics, Telecom & Media, Automotive, and other specialized industries. With over 9,000 associates in 47+ offices and delivery centers across the U.S., Canada, Latin America, Europe, India, and Southeast Asia, Encora delivers nearshore agility to clients anywhere in the world, coupled with expertise at scale in India. Encora’s Cloud-first, Data-first, AI-first approach enables clients to create differentiated enterprise value through technology.

Company type: XLarge

Founded: 2018

Company size: 5001 - 10000

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Job description

Important Information

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

Job Summary

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.