Navigate Change
Mid-Level Kotlin Developer
Location
Brazil
Posted
1 day ago
Salary
0
Seniority
Senior
Job Description
Mid-Level Kotlin Developer
CI&T
• Support a financial-market client in collaboration with CI&T; • Provide technical leadership support to the team; • Perform agile, high-quality deployments;
Job Requirements
- Backend development in Kotlin;
- Messaging: Kafka, SQS, SNS;
- Automated testing;
- PostgreSQL databases;
- AWS Cloud;
- Knowledge of agile practices for development teams;
- Resilient in challenging contexts;
- Act as a partner to the client, understanding their objectives and proposing solutions;
- Communicative with team members, contributing positively to constructive feedback.
Benefits
- Health and dental plan;
- Meal and food allowance;
- Childcare assistance;
- Extended parental leave;
- Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) and TotalPass;
- Profit Sharing (PLR);
- Life insurance;
- Continuous learning platform (CI&T University);
- Discount club;
- Free online platform dedicated to promoting physical and mental health and wellbeing;
- Pregnancy and responsible parenthood course;
- Partnerships with online course platforms;
- Language learning platform;
- And many others
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Junior Java Engineer
Wowza Media SystemsWowza Media Systems is a Colorado-based, globally known leader providing video and media streaming software solutions to customers for whom video is mission critical but not a core competency. Wowza’s software enables its customers to deliver high fidelity video streams from (m)any sources to (m)any destinations, with low latency, reliable at large scale. Wowza’s solutions are implemented across video platforms, gaming, fitness, auction and commerce, education and government applications. The Company is backed by private equity firm Clearhaven Partners. Why Work for Wowza Wowza’s team works to connect the larger community with our passion for tech. From live-streaming graduation ceremonies for local high schools to participating in events like SheTech, employees are able to cultivate the same creative energy that first brought the company to life. Employees are encouraged to take ownership of their role with limited oversight — and coworkers are happy to help one another out. Wowza Media Systems is an equal opportunity employer, committed to creating a diverse and inclusive environment for all people to thrive in.
Role Description We’re seeking a Senior Java Video Streaming Engineer with deep expertise in transcoding, packaging, and delivery workflows to join our engineering team. In this role, you will architect, implement, and optimize live and on-demand streaming pipelines in Wowza Streaming Engine. We are looking for someone with deep expertise in streaming video standards and a low level understanding of the key components in video processing. What You’ll Do - Design and develop core features within Wowza Streaming Engine designed for testability and scale. - Design and implement advanced transcoder workflows for new codecs and accelerators. - Design and implement highly scalable packaging workflows. - Debug and resolve customer reported issues, bugs and performance issues. - Participate in cross-functional projects from conception through deployment. - Be a resource to other team members as a streaming subject matter expert. Qualifications - 8+ years of hands-on Java development in performance-critical, large-scale systems. - Deep understanding of Java concurrency and multithreading — thread pools, locks, synchronization, concurrent data structures, and designing thread-safe components for high-throughput workloads. - Strong knowledge of JVM internals including garbage collection tuning (G1, ZGC, Shenandoah), heap/off-heap memory management, and GC pause optimization for latency-sensitive applications. - Proven ability to optimize Java applications for memory, CPU, and GPU utilization using standard Java profiling and diagnostic tools. - Experience with JNI (Java Native Interface) for integrating Java with native C/C++ libraries and managing cross-boundary memory and threading safely. - Experience with Unit testing, performance testing/tuning (heap dump analysis, thread dump analysis), and debugging complex multithreaded Java applications. - 5+ years’ experience in transcoding and packaging workflows (Wowza or similar). - Deep knowledge of video codecs: H.264/AVC, H.265/HEVC, VP8/VP9, AV1. - Hands-on experience with GPU or VPU accelerated transcoding pipelines. - Extensive experience with one or more of the common streaming protocols – RTMP, RTSP, HLS, MPEG-DASH, CMAF, WebRTC. - Knowledge of content encryption and DRM. - Familiarity with video quality metrics (PSNR, SSIM, VMAF). Requirements - Experience with C/C++ development and ability to read, debug, and contribute to native codebases that interface with Java via JNI. - Contributions to open-source video projects such as FFmpeg or gStreamer. - Experience with Wowza Streaming Engine. - Understanding of build (CI/CD) and test automation frameworks for large scale software. - Experience creating and documenting public APIs and creating publicly available SDKs. Benefits - Generous Paid Time Off - Medical, Dental, and Vision insurance (effective Day 1) - 401(k) with strong company match - Dependent Care FSA - Employer-paid Life Insurance and AD&D - Voluntary Life Insurance (Employee/Spouse/Child) - Paid Parental Leave - Short-Term and Long-Term Disability - Training & Development opportunities - Employee Assistance Program (EAP) Company Description Wowza Media Systems is a Colorado-based global leader in video streaming software. Our technology powers live and on-demand video delivery for education, healthcare, enterprise, gaming, government, and more—reaching customers in over 100 countries. Backed by Clearhaven Partners, we continue to grow by pushing innovation in scalable, low-latency video streaming. At Wowza, you’ll be part of a fast-paced, mission-driven team working on solutions that power critical real-world applications—from live-streaming graduations to helping parents monitor NICU care. We encourage ownership, collaboration, and innovation while providing a supportive, global team environment.


