Telnyx

IMS Engineer

Social Growth Manager, AEO (Hybrid)

Account Executive, EMEA (EU)

Account Executive (Remote)

Technical Implementation Engineer

Channel Partner Manager - APAC (Remote)

NOC Graduate Programme (Mexico)

Technical Operations Manager

Senior Machine Learning Engineer (Speech Synthesis)

Telnyx is a financially stable and profitable industry leader building the future of global connectivity through a private, global, multi-cloud IP network and hyperlocal edge technology. They are productizing a carrier-grade IMS core on Kamailio and seeking an IMS Engineer with VoLTE expertise and the ability to modify Kamailio's C codebase. The role involves designing, implementing, and operating P-/I-/S-CSCF functions at a global scale, focusing on call flows, module configuration, HSS/UDM/UDR integration, productization, performance tuning, reliability, and security.

Senior Infrastructure Engineer (Core)

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About Telnyx</h3>Telnyx is an industry leader that's not just imagining the future of global connectivity—we're building it. From architecting and amplifying the reach of a <a href="https://telnyx.com/our-network" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">private, global, multi-cloud IP network</a>, to bringing <a href="https://telnyx.com/resources/about-edge-connectivity" target="blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">hyperlocal edge</a> technology right to your fingertips through intuitive APIs, we're shaping a new era of seamless interconnection between people, devices, and applications.We're driven by a desire to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. As a testament to our success, we're proud to stand as a financially stable and profitable company. Our robust profitability allows us not only to invest in pioneering technologies but also to foster an environment of continuous learning and growth for our team.Our collective vision is a world where borderless connectivity fuels limitless innovation. By joining us, you can be part of laying the foundations for this interconnected future. We're currently seeking passionate individuals who are excited about the opportunity to contribute to an industry-shaping company while growing their own skills and careers.Telnyx is productizing a carrier-grade IMS core on Kamailio. You’ll design, implement, and operate P-/I-/S-CSCF functions at a global scale—with VoLTE expertise and the ability to modify Kamailio’s C codebase when needed.<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What you’ll do</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Design & build: Own P-/I-/S-CSCF call flows; configure Kamailio modules (ims\_*, dispatcher, topos, tm, usrloc, permissions); integrate HSS/UDM/UDR.</li><li class="leading-relaxed">Productize: Turn prototypes into supportable services with versioned configs, CI/CD, and observability.</li><li class="leading-relaxed">Performance & scale: Tune throughput, dialog/state handling, NAT traversal, DNS/SRV, TLS/mTLS; benchmark CPS/latency.</li><li class="leading-relaxed">Reliability: Architect HA/DR; lead load tests, game days, incident reviews.</li><li class="leading-relaxed">Security: Implement abuse/DoS controls (pike/htable/rate limiters), auth, encryption, and audit-grade logging.</li><li class="leading-relaxed">Upstream: Contribute fixes/patches and collaborate with the Kamailio community.</li><li class="leading-relaxed">On-call (shared): Keep the voice core healthy.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What you’ll bring (must-haves)</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">VoLTE expertise: Hands-on IR.92 (voice/SMS), registration/attach flows, SIP/SDP (AMR-WB/EVS), QoS/bearers via PCRF/PCF, emergency calling, multi-vendor interop.</li><li class="leading-relaxed">Core IMS/SIP: 5+ years with SIP/IMS; strong grasp of 3GPP (TS 23.228, 24.229, 29.xx), CSCF roles, registration, service routing.</li><li class="leading-relaxed">Kamailio mastery: Confident authoring kamailio.cfg routing logic; registrar/dialog/topology hiding; IMS modules in production.</li><li class="leading-relaxed">Software engineering to modify Kamailio (required):</li><li class="leading-relaxed">Proficient in C for high-performance network services (memory management, concurrency, lock-free/atomic patterns).</li><li class="leading-relaxed">Experience building and changing Kamailio core/modules (parsers, transaction/dialog layers, ims\_*), adding/adjusting AVPs/headers, and writing new module logic.</li><li class="leading-relaxed">Tooling: gcc/clang, make, gdb, valgrind/AddressSanitizer, perf/flamegraph, packet tools (pcap, sngrep, ngrep).</li><li class="leading-relaxed">Strong unit/functional testing habits; familiarity with Kamailio test approaches and CI.</li><li class="leading-relaxed">Comfortable proposing and landing upstream PRs, engaging in code review, and maintaining forks/patch sets.</li><li class="leading-relaxed">Systems & SRE: Linux networking, DNS (NAPTR/SRV), TLS/mTLS, observability (Prometheus/Grafana, ELK/Loki/OpenTelemetry).</li><li class="leading-relaxed">Automation: Git workflows, CI/CD, Docker/Kubernetes, IaC (Terraform/Helm), scripting (Python/Bash/Lua).</li><li class="leading-relaxed">Communication: Clear design docs and incident write-ups.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Nice to have</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">FreeSWITCH/Asterisk; RTP/RTCP; media relays (rtpengine/rtpproxy); SBC concepts.</li><li class="leading-relaxed">Diameter (Cx/Sh/Gx), ENUM/NP; VoWiFi/VoNR; SRVCC/eSRVCC exposure.</li><li class="leading-relaxed">Prior upstream contributions to Kamailio or related SIP projects.</li><li class="leading-relaxed">Telecom fraud mitigation and signaling security patterns.</li></ul>

Rockstar Jobs

EA Jobs

Playstation Jobs

Ubisoft Jobs

Epic Game Jobs

Riot Jobs

CDPR Jobs

Krafton Jobs

Twitch Jobs

Larian Jobs

Wargaming Jobs

Naughty Dog Jobs

Netflix Jobs

Supercell Jobs

Zynga Jobs

Test your Unity Animations knowledge with this quiz! Explore concepts like Animator Controller, Blend Trees, and many more.

Test your Unity UI knowledge with this quiz! Explore essential concepts like Canvas, EventSystem and many more. 

Challenge yourself with this Unity Input System quiz! Test your skills in input mapping, device handling, and action events.

Take your Unity skills to the next level with Part 3 of this quiz, covering scripting, physics, rendering, and performance optimization!

Test your Unity expertise with this quiz, covering initialization to advanced rendering and physics!

Test your Unity knowledge with this comprehensive quiz, covering everything from MonoBehaviour basics to advanced physics, rendering, and optimization techniques across multiple difficulty levels!

Assess your knowledge of Unity's Rigidbody component and its advanced physics interactions with this in-depth quiz!

Test your understanding of Unity’s Physics, Movement, and MonoBehaviour with this insightful beginner-friendly quiz!

Dive into the fundamentals of open-world game development in Unity with this beginner-friendly quiz.

Challenge yourself with this beginner-friendly quiz on building an endless runner in Unity!

Test your beginner-level knowledge of Unity platformer development with this engaging quiz.

Test your basic knowledge of Unity and Unreal Engine with this beginner-friendly quiz on game development fundamentals.

This assessment evaluates your understanding of Unity's component-based architecture, how GameObjects and their components interact, the hierarchy system with nested GameObjects, and how to reference them in scripts.

This assessment evaluates your understanding of Unity's NavMesh system, including navigation baking, NavMeshAgents, pathfinding, obstacles, and scripting interactions with NavMesh to create AI-driven movement.

An assessment to test the correct usage of Unity's events and lifecycle functions in the context of the game "Clash Royale"

- This assessment gives us an idea of your C++ skills - Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! 📋 &nbsp;- This assessment gives us an idea of your problem solving skills using DSA - Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Programming Patterns! 📋- This assessment gives us an idea of your code architecture skills - Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your OOPs skills! 📋- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills - Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Unity Skills 📋 - This assessment gives us an idea of your Unity fundamentals - Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc. - 9 questions: 9 Multiple Choice - Minimum score needed to qualify: 80% - Average time to complete: 5 to 10 minutes

DevRev

FP&A Assistant

Account Executive – Field Sales

Solvative

Digital Marketing Specialist- B2B

Internship: Software Developer - Tools (m/f/d)

Internship: Lab support (f/m/d)

Internship: Lab Automation and Testing for Automotive UWB (m/f/d)

Internship: V&V and LAB support (m/f/d)

PhD Product Engineer in Data Science

Internship / Student Position: Lab support (m/f/d)

The FP&A Assistant at DevRev supports the FP&A team by performing data extraction, reconciliations, and monthly reporting. Key responsibilities include maintaining various trackers for vendors, operating expenses, headcount, and travel, preparing initial variance analyses, and updating financial reports. The role also involves tracking prepaid expenses, advances, and missing invoices, creating basic financial templates, and assisting with ad-hoc FP&A tasks and cost-saving initiatives.

Member of Technical Staff

Automation Specialist

iOS Developer

Technical Writer

Junior Full-Stack Engineer

Senior Design System Engineer

Solutions (Presales/Sales) Engineer

Product Education Specialist (DevRevU)

At DevRev, we’re building the future of work with Computer – your AI teammate.Computer is not just another tool. It’s built on the belief that the future of work should be about genuine human connection and collaboration – not piling on more apps.Computer is the best kind of teammate: it amplifies your strengths, takes repetition and frustration out of your day, and gives you more time and energy to do your best work.How?Easy: it’s the only platform capable of…Complete data unificationMost AI products focus on either structured data (like CRM records and support tickets), or unstructured data (like documents and emails). Computer AirSync connects everything, unifying all your data sources (like Google Workspace, Jira, Notion) into one AI-ready source of truth: Computer Memory.Powerful search, reasoning, and actionOnce connected to all your tools and apps, Computer is embedded in your full business context. It can find and summarize, sure. Even more impressive: it offers employees insights, strategic and proactive suggestions, plus powerful agentic actions.Extensions for your teams and customersComputer doesn’t make you choose between new software and old. Its AI-native platform lets you extend existing tools with sophisticated apps and agents. So your teams – and your customers – can take action, seamlessly. These agents work alongside you: updating workflows, coordinating across teams, and syncing back to your systems.This isn’t just software. Computer brings people back together, breaking down silos and ushering in the future of teamwork, through human-AI collaboration. Stop managing software. Stop wasting time. Start solving bigger problems, building better products, and making your customers happier.We call this Team Intelligence. It’s why DevRev exists.Trusted by global companies across multiple industries, DevRev is backed by Khosla Ventures and Mayfield, with $150M+ raised. We are 650+ people, across eight global offices.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Role Overview</h2>Support the FP&A team with data extraction, reconciliations, monthly reporting, headcount tracking, vendor analysis, and preparation of key finance files.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Key Responsibilities</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Pull, clean, and reconcile data from NetSuit,Xero, Navan, Bill.com.</li><li class="leading-relaxed">Maintain vendor, Opex, HC, and travel trackers.</li><li class="leading-relaxed">Prepare first-cut variance analysis (Actual vs Budget).</li><li class="leading-relaxed">Update monthly Opex file, HC templates, vendor spend reports, and travel summaries.</li><li class="leading-relaxed">Track prepaid, advances, missing invoices, and GL mismatches.</li><li class="leading-relaxed">Create basic pivots, charts, and templates for monthly and quarterly reporting.</li><li class="leading-relaxed">Support ad-hoc FP&A tasks and cost-saving analyses.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Skills Required</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Strong Excel/Sheets.</li><li class="leading-relaxed">Have understanding of Power BI and Other FP&A Software.</li><li class="leading-relaxed">Understanding of P&L, GL codes, vendor spend, and HC data.</li><li class="leading-relaxed">Attention to detail; ability to work with large datasets.</li><li class="leading-relaxed">Good coordination with AP, HR, and business teams.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Experience</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">1-3 years in Finance/FP&A/Accounts/Data roles.</li><li class="leading-relaxed">Experience with NetSuite/Xero/Bill.com/Navan/BambooHR is a plus</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Culture</h2>The foundation of DevRev is its culture -- our commitment to those who are hungry, humble, honest, and who act with heart. Our vision is to help build the earth’s most customer-centric companies. Our mission is to leverage design, data engineering, and machine intelligence to empower engineers to embrace their customers.That is DevRev!

Follow Mayank - career advice

Follow Mayank Grover for game development resources

Free | C# | Midnight Pizza Fight

Free | C++ | Lethos

Free | C++ | Pong

Follow Abhishek - tech content

Follow Abhishek Smith for game programming content

This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.