Role & responsibilities Senior C++/PostgreSQL API Engineer (Ultra-Low Latency Trading) Location: Hybrid/Remote Type: Full-time Team: Core Trading Platform What youll do Design and build ultra-low-latency C++ services for order routing, market data, and risk checks (targets: p99 500s per hop on LAN; end-to-end trade path p99 3–5ms depending on venue). Implement high-performance APIs (gRPC/Protobuf and WebSocket/REST where needed) exposing trading, positions, and account data backed by PostgreSQL. Engineer lock-free / wait-free components, efficient memory management (arena allocators, object pools), and NUMA-aware data structures. Build and tune PostgreSQL for low-latency reads/writes: schema design for time-series/partitioned tables, prepared statements, libpq/libpqxx, PgBouncer pooling, logical replication, and LISTEN/NOTIFY for eventing. Use Redis (Cluster) for hot paths: price cache, order state cache, Streams/PubSub, Lua scripts for atomic ops; set correct persistence (RDB/AOF) policies per service. Optimize network I/O (epoll/kqueue, io_uring), batching, zero-copy, and back-pressure. Explore kernel-bypass/RDMA/DPDK where justified. Create observable systems: high-resolution latency histograms, tracing, and metrics (Prometheus/Grafana); integrate eBPF or perf for hotspots. Ensure resilience & correctness: deterministic simulations, soak/chaos tests, replay tools from pcap/logs, and circuit-breakers/timeouts. Collaborate with quant, infra, and frontend teams; participate in on-call rotation for production trading hours. Tech you’ll use C++20/23, STL, atomics, chrono, coroutines; Boost.Asio/Folly/absl (as needed); CMake; clang/gcc; sanitizers; valgrind; perf/eBPF; flamegraphs. PostgreSQL 14+, libpq/libpqxx, PgBouncer, partitioning, BRIN/B-tree indexes, COPY, logical replication/decoding. Redis (Cluster/Sentinel), Streams, Pub/Sub, Lua, pipelining. Protocols: FIX (nice-to-have), exchange/venue native, Protobuf/gRPC, WebSocket/HTTP/2. Tooling: Git, CI/CD, Docker/Podman; Kubernetes (nice-to-have). Minimum qualifications 5+ years with modern C++ in production, including low-latency and concurrency (lock-free, ring buffers, SPSC/MPSC queues). Deep knowledge of Linux systems: CPU pinning, NUMA, cache lines/false sharing, NIC tuning, kernel params. Strong PostgreSQL experience: performance tuning (autovacuum, WAL, checkpoint, shared_buffers), query planning, prepared/batched I/O. Production Redis usage for latency-critical paths (pipelining, key design, eviction strategy). Profiling + benchmarking mindset; you’ve moved p99s not just averages. Nice-to-have Market data/order-book engineering (price-time priority, gap handling, snapshot+incremental models). Risk/limits engines (per-account, per-symbol throttles), idempotent order handling. Experience with FIX, Betfair/sportsbook APIs or crypto exchange APIs. Hardware timestamping/PTP, NIC offloads; DPDK/Netmap; io_uring; RDMA. Kafka/NATS/Chronicle Queue; columnar/time-series DBs (ClickHouse, Timescale). Success metrics (first 90–180 days) Reduce critical service p99 latency by 30%; eliminate GC/allocator spikes. Achieve zero order-path correctness defects in production releases. Establish automated latency SLO dashboards and regression benchmarks in CI. Deliver a new C++ trading API with Postgres+Redis backing that sustains >50k msgs/sec with p99 under target on staging hardware. Sample problems you’ll tackle Re-architect order ingress with batched syscalls + lock-free queues to cut tail latency. Redesign Postgres schemas to partition by (symbol, day); add BRIN for time scans; switch to prepared multi-row INSERTs. Introduce Redis Streams for fast, ordered state fan-out with consumer groups. Add exact-once semantics across C++ Redis Postgres using idempotency keys and outbox/inbox patterns.
Role & responsibilities C# .NET Quantitative Developer Low Latency Trading We are building a next-gen trading platform and seeking a C++ / C# .NET Quant Developer to develop, optimize, and backtest algorithmic strategies, indicators, and execution models. What You’ll Do: Build & optimize trading algorithms in C++17/20 (low latency) & C# .NET 6+ (UI & scripting). Integrate quantitative models into live execution environments. Work with traders & data teams to create real-time market data & backtesting tools. Implement pre-trade/post-trade risk controls in strategies. Optimize performance for sub-millisecond execution. What We’re Looking For: Expert in C++ (multi-threading, lock-free, performance tuning) & C# .NET. Strong understanding of market microstructure & execution strategies. Experience with FIX/ITCH/market data APIs & time-series analysis. Knowledge of technical indicators & algo trading. Bonus: HFT experience, MetaTrader/NinjaTrader familiarity, scripting (Python/Lua).
Role & responsibilities - Lead the development of dynamic and interactive web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js). - Architect, design, and implement solutions for complex technical challenges. - Develop RESTful APIs and microservices to integrate with the front-end and back-end systems. - Mentor and guide junior developers in best practices, coding standards, and troubleshooting techniques. - Collaborate with UX/UI designers to implement responsive, user-friendly interfaces. - Optimize application performance and scalability. - Write clean, maintainable, and efficient code, with an emphasis on quality and testing. - Ensure code quality through unit tests, code reviews, and continuous integration practices. - Troubleshoot and resolve application issues, both during development and in production environments. - Stay up-to-date with the latest trends and advancements in web development and the MERN stack ecosystem. Qualifications: - 4.5+ years of experience in full-stack JavaScript development with the MERN stack. - Strong proficiency in Node.js, Express.js, React.js, and MongoDB. - Experience with front-end technologies such as HTML5, CSS3, and JavaScript (ES6+). - Familiarity with RESTful APIs, WebSocket, and real-time application architectures. - Strong understanding of version control systems (e.g., Git) and CI/CD workflows. - Experience with cloud platforms (AWS, Azure, GCP) and containerization technologies like Docker is a plus. - Knowledge of state management tools like Redux or Context API. - Familiarity with Agile development methodologies (Scrum/Kanban). - Strong problem-solving skills and ability to troubleshoot complex issues.
Role & responsibilities Youll build a cross-platform desktop trading terminal (Windows/macOS/Linux) using C++17/20 + Qt/QtQuick (QML), tightly integrated with a C++ backend for real-time market data, order management, charting, and risk controls. Think MetaTrader-grade UX with exchange/broker connectivity and sub-millisecond UI responsiveness. What Youll Do Design and develop desktop UI in Qt Widgets/QtQuick (QML): order tickets, DOM/Depth, positions, PnL, watchlists, alerts, and multi-chart workspaces. Implement MVVM/MVC patterns with QAbstractItemModel, models/proxies, and high-frequency view updates. Build real-time charting (ticks, candles, indicators), multi-timeframe aggregation, and drawing tools. Integrate market data feeds (TCP/UDP/WebSocket) and order routing (REST/FIX/native broker APIs) with robust reconnect, back-pressure, and throttling. Engineer low-latency C++ backend modules: symbol/quote cache, order book, OMS, risk checks, persistence, and pub/sub to the UI layer. Own performance: lock-contention reduction, zero-copy/move semantics, memory profiling, and frame-time budgets for smooth 60–120 FPS rendering. Ensure security & reliability: input validation, secrets handling, crash-safe state recovery, and telemetry/diagnostics. Write unit/integration tests, contribute to CI/CD, and participate in code reviews and release hardening. Collaborate with product/quant/DevOps on features, rollouts, and production support. Must-Have Skills 5+ years professional C++ (C++17/20) with strong STL, concurrency (std::thread, atomics, lock-free where sensible), and networking. Qt (5/6), QtQuick/QML, signals/slots, QAbstractItemModel, models/proxies, QPainter/Scene Graph, and interop between C++ and QML. Building cross-platform apps (Windows/macOS/Linux) and installers; CMake (preferred) or qmake. Real-time UI experience: rendering large, streaming datasets without jank; profiling with tools like Perf, Instruments, VTune. Market systems experience: order lifecycle, market/limit/stop orders, partial fills, TIF, positions, PnL, margin, and basic risk controls. Networking protocols: TCP/UDP, WebSocket; familiarity with FIX (order flow, sessions, heartbeats, resend, recovery). Solid debugging skills (asan/ubsan/valgrind), and writing maintainable, testable code. Nice-to-Haves Custom charting engines, multi-chart layouts, and indicator frameworks. High-throughput messaging (ZeroMQ/Redis/Kafka), shared memory, or ring-buffers. Time-series storage (kdb+/ClickHouse/Influx/Postgres) and snapshot+incremental book handling. GPU-accelerated rendering (OpenGL/Metal/Vulkan via Qt). Experience with algo/HFT constraints, micro-burst handling, and clock sync (NTP/PTP). Secure secrets/key management, code-signing, and updater frameworks. Python/JS bridges for scripting strategies or plugins. Responsibilities in the First 90 Days Ship a production-ready watchlist + ticker tape + L1/L2 view wired to live feeds. Deliver order ticket + OMS flow (place/modify/cancel), with optimistic UI and robust error handling. Implement multi-pane charting with historical backfill + live streaming and at least 5 core indicators. Establish telemetry & profiling dashboards and performance budgets (latency, FPS, GC/mem). Tooling & Stack Languages: C++17/20, QML Frameworks: Qt 6.x (preferred), QtQuick, Quick Controls 2 Build/CI: CMake, Conan/vcpkg, GitHub/GitLab CI, unit tests (Catch2/GoogleTest) Protocols: FIX 4.2/4.4/5.0, REST, WebSocket OS: Windows/macOS/Linux Qualifications BTech/BE/BS in CS/EE (or equivalent) with strong systems and UI fundamentals. Demonstrated delivery of at least one real-time Qt/QML desktop app (portfolio or repo welcomed).
Were Hiring: Video Editor Location: Hyderabad Experience: 2+ Years Company: 9X Technology What You’ll Do Create visual designs and graphics for our Social Media platform. Work on motion graphics, animations, and video content using After Effects . Edit and enhance videos for product demos, social media, and promotional campaigns . Collaborate with the product and marketing teams to deliver engaging visual content. Preferred candidate profile Key Skills Strong experience with Adobe After Effects . Hands-on with video editing and motion graphics . Creative eye for detail, typography, and color. Ability to work independently and meet deadlines.