Senior Software Engineer responsible for developing and maintaining VoIP solutions (SIP signaling, RTP/RTCP, codecs, NAT traversal), integrating and customizing FreeSwitch (ESL, dialplan, modules), building backend services in C/Java/Python/Golang, collaborating with DevOps to deploy on AWS, and diagnosing performance and scalability issues in real-time communication pipelines.

Responsible for designing, developing, and delivering full-stack software to support legacy modernization (refactoring Struts/JBoss Java apps into Spring Boot services). Responsibilities include building RESTful APIs, front-end Angular/TypeScript features, database work (PostgreSQL/Oracle), implementing IAM/security (Keycloak, OAuth2/OpenID Connect), writing tests, and collaborating in Agile teams. Requires ability to obtain/maintain a Public Trust clearance and 3+ years of professional software development experience.

Hire for a Senior Software Engineer (based in India) responsible for designing and building core components and APIs of a security orchestration and automation SaaS platform. Requires 5+ years' experience, strong programming skills (C#, Python, NodeJS, TypeScript), experience with databases (MongoDB, Postgres), cloud and DevOps tools (AWS, Kubernetes, Terraform, Docker), API/web application design, and test automation.

NVIDIA seeks a Senior DL Algorithms Engineer to enable and optimize open LLM/Omni models (e.g., Nemotron, Cosmos) on NVIDIA's accelerated inference software stack. Responsibilities include contributing to open-source frameworks (TRT-LLM, vLLM, SGLang, FlashInfer), profiling and removing bottlenecks across the inference stack, benchmarking, and co-designing with partner teams. Requires 3+ years' experience, strong deep learning and inference background, GPU performance optimization, PyTorch or equivalent, and understanding of computer/GPU architecture.

Consensys/MetaMask seeks a Staff Software Engineer to develop Stablecoin/Earn and Neobank-like experiences across Extension, Mobile, and Web clients. The role requires building frontend clients (React, React Native), contributing to backend APIs and middleware, ensuring secure Web3 interactions, collaborating with product and design, and participating in code reviews. Candidates should have Web3/blockchain familiarity and 5+ years of relevant experience.

Granum is hiring a Senior Software Engineer (P4) for an LMN feature pod to own a critical service or domain end-to-end. The role is remote and expects ~8+ years of professional software engineering experience with deep, shippable experience in C#/.NET and Angular, familiarity with Azure (Azure SQL Server, Azure Functions), observability (Datadog), and AI-assisted development. Compensation ranges provided for Canada and U.S. candidates (CAD 160k–200k; USD 160k–200k). The company does not sponsor work authorization.

Senior individual contributor responsible for architecture and engineering of ads identity modeling and related measurement ML solutions. Requires designing and deploying large-scale ML systems (model training, inference, feature engineering), collaborating across product, data science, privacy and legal, and mentoring engineers. Minimum 7+ years software engineering experience with 3+ years on ML-driven systems; salary range $230,000–$322,000 USD/year.

Chainguard seeks a Senior Software Engineer to architect and implement an automation platform for package creation, test generation, and image building. The role focuses on Go development, LLM/agent integration, developer tooling, and supply chain security; the position is remote (Canada, United States, Europe) and lists a base salary range of $157,000–$184,000 USD per year.

The role focuses on translating novel security research into scalable product implementations, driving technology transfer between research and product teams. Requires 5+ years' software engineering or security research experience, deep expertise in at least one security domain, strong programming and system architecture skills, and experience building both rapid prototypes and production-grade systems.

Lead company-wide iOS architecture and performance efforts at Reddit: define and execute on performance goals (ANR, app launch time, slow/dropped frames), improve observability and telemetry, redesign for modularity and scalability, select technologies (e.g., SwiftUI, structured concurrency), and mentor iOS engineers.

NVIDIA is hiring a Senior Sensor Fusion Engineer to develop core functionality for autonomous driving by fusing perception DNNs and map signals into real-time 3D world models. The role focuses on enabling HD mapless urban driving and L3 highway autonomy using camera, lidar, and radar inputs, building occupancy grids and occlusion masks, and producing automotive-quality code. Requires 8+ years' experience (with 2+ years in AV/robotics) and experience on embedded/automotive platforms.

NVIDIA is hiring a new-college-grad engineer to build and maintain high-performance compiler and runtime components for LPX inference, implement mappings for large-scale inference workloads, and benchmark/profile performance. Candidates should be pursuing or recently completed an MS or PhD (or equivalent), have systems-level programming experience (C/C++ and/or Rust), and hands-on experience with compiler/runtime development such as LLVM/MLIR, IR design, and optimization passes.

Build features in Angular 2+ and architect reusable, performant front-end code. Collaborate with designers, backend and integrations teams, own testing and quality with QA, resolve performance and scalability issues, and mentor teammates. Requires 8+ years working with JavaScript and modern frameworks (Angular 2+), TypeScript, NgRx, and RxJS.

Join ClickUp as a Senior Frontend Engineer to build features in Angular 2+ while collaborating with designers, backend and integrations teams. The role emphasizes reusable component architecture, Redux-style state management (NgRx), TypeScript, RxJS, testing (unit & integration), performance and cross-browser/accessibility considerations. Locations listed: Poland, Bulgaria, Ukraine, Hungary, Czechia, Ireland.

Twilio is hiring a Software Architect (L6) based in India (remote). The role requires 15+ years designing and scaling distributed systems and platforms, setting company-wide technical vision, leading cross-product architecture, mentoring senior engineers, and driving standards for reliability, scalability, security, and cost optimization. Occasional travel may be required.

Bellroy is hiring a Software Engineer experienced in functional programming (examples: Haskell, Clojure, Elixir, F#, Scala, OCaml, Erlang or strongly‑functional styles in Rust/Kotlin/Swift). The role extends a bespoke e-commerce platform and integrates with digital marketplaces. Work can be remote from Australia or New Zealand or from the Collingwood (Victoria, Australia) office. Minimum 2 years production experience in a functional language. Familiarity with Nix, AWS and Ruby on Rails is listed as desirable.

Role to design, build, and maintain reporting and analytics features across Muck Rack’s platform. Requires 3+ years professional software development experience, strong Python and Django skills, frontend experience (preferably Vue.js), MySQL familiarity, RESTful API design, Git-based workflows, and willingness to participate in on-call rotations. Nice-to-haves include ClickHouse, Elasticsearch, Kafka, and Celery. Position is remote with priority for candidates in Bulgaria (UK and Ireland encouraged), up to 10% travel, and a stated Bulgaria salary range of €22,000–26,000+ annually.

Muck Rack seeks a Lead Software Engineer to design, build, and evolve distributed, event-driven ingestion pipelines that transform large volumes of unstructured content into structured, enriched data. The role requires partnering with Product, Search, Data Science, and Platform teams, mentoring engineers, and driving architectural decisions. Required: 8+ years' software engineering experience and proficiency with Python, streaming technologies (e.g., Kafka/Kinesis), microservices, gRPC/Protocol Buffers, and large-scale data systems.

Join GitHub's Copilot Agents organization to design, implement, and operate Blackbird—the platform's lexical and semantic code search engine. Responsibilities include building scalable, high-performance code search, integrating AI/ML features and agents, driving technical roadmap, participating in on-call rotations, and mentoring other engineers. Required experience ranges (minimum explicitly stated in posting is 3+ years in certain qualification paths); preferred experience includes web-scale search, systems programming (Rust), and AI/ML integration.

Senior engineering role to design, implement, operate and scale GitHub's lexical and semantic code search (Blackbird) used across GitHub and Copilot products. Responsibilities include architecture, API design, performance and reliability, on-call incident response, mentoring, and integrating AI/ML-powered features. Qualifications list experience levels down to 3+ years depending on degree; strong experience in distributed systems, search at scale, reliability, and systems programming (Rust preferred) is highlighted.