Senior Software Developer (Gateway/Market Data)

Lead Data Engineer Job Duties : 10+ Years experience working in Data Engineering and Data Analysis. Hands on Experience in Hadoop Stack of Technologies ( Hadoop ,PySpark, HBase, Hive , Pig , Sqoop, Scala ,Flume, HDFS , Map Reduce). Hands on experience with Python & Kafka . Good understanding of Database concepts , Data Design , Data Modeling and ETL. Hands on in analyzing, designing, and coding ETL programs which involves Data pre-processing , Data Extraction , Data Ingestion , Data Quality ,Data Normalization & Data Loading. Working experience in delivering projects in Agile Methodology and hands on in Jira. Experience in Client Facing Roles with good communication & thought leadership skills to co-ordinate deliverables across the SDLC . Good understanding of Machine Learning Models and Artificial Intelligence preferred. Good understanding of Data Components , Data Processing & Data Analytics on AWS is good to have . Experience with data modeling tools like Erwin is good to have. Master's/bachelor’s in computer science or equivalent fields  

Android/IOS Developer Irving, TX/Basking Ridge, NJ Families (Skill Set): Architecture Design: Experience with designing scalable and maintainable mobile application architectures (e.g., MVVM, Clean Architecture). Strong proficiency in Android and iOS development: In-depth knowledge of Android SDK, Java/Kotlin, and iOS SDK with Swift/Objective-C. Experience in UI design principles, performance optimization techniques, and platform-specific best practices. Familiarity with Apple’s Human Interface Guidelines and Google’s Material Design. What you will need to have: 7-9 years’ experience in designing and developing mobile applications, with a focus on both Android and iOS platforms, including embedded and services-based applications. Comprehensive skills and in-depth experience with Java, Kotlin (Android) and Swift, Objective-C (iOS). Expertise in mobile development with a deep understanding of Android and iOS platforms, including custom ROM and device-specific enhancements. Up-to-date with the latest trends in Android and iOS application development. Experience with hardware integration, device communication protocols, and troubleshooting across various device types. Skilled in runtime, build and deployment technologies and project tools such as Git, Maven, Jenkins, Xcode, JIRA, and Confluence. Proficient in UI development for both platforms, ensuring optimal performance and seamless user experience across screen sizes and devices. What would be great to have: Experience with RXJava, functional programming, MVP/MVC design patterns, and cross-platform frameworks such as React Native and JavaScript. Previous experience in the payments industry, specifically working with standards such as EMVco, NEXO, or PCI DSS. Familiarity with TestFlight and Android Play Console for beta testing and app releases

Job Title : Java Developer Location : Walnut Creek, CA Type : 6 + Months Rate : $Open (Best Possible) Job Responsibilities :– Drive the design, development and implementation of the core of our Java / J2EE technology platform and web services. Debug issues across multiple layers of the application stack. Drive code quality through unit testing and advocate test-driven development methodologies. Refactor and improve code quality, maintainability and scalability. Evaluate the adoption of new tools and technology. Interface with clients to discover, troubleshoot and resolve integration issues. Lead projects and exert technical influence with team members, increase productivity and effectiveness by sharing domain knowledge and experience. Take ownership of all tasks assigned to you and tasks assigned to engineers working on your projects. REQUIREMENTS :- 6+ years of software development experience in Java/Java EE Extensive engineering experience and a proven track record in e-commerce, enterprise, high performance, large scale web technologies including cloud based APIs and protocols (REST, JSON). Thought leader, hands-on contributor, and decision maker known for solving difficult software engineering problems. Proficient in data structures, algorithms, design patterns and Object Oriented Programming. Experience with one of the major relational databases (MSSQL, Oracle, Postgres) Excellent Java and J2EE coding skills. Experience in payments or high transactional systems. Experience with Linux and other Unix-like operating systems. Excellent team player with good analytical, strategic planning and interpersonal and communication skills. Highly motivated, enthusiastic and self-starter Experience with Kafka, NoSQL database is a plus. Exposure to JBoss Fuse, Apache Camel or MuleSoft highly desired. Experience working with Amazon Web Services (AWS) tools Docker, ECS, S3 etc. Experience building CI/CD pipeline with maven/jenkins/code pipeline. Proficient with API design, Strong in Spring framework and understanding of Microservices. Exposure to API Gateway (Apigee) is a huge plus. BSCS or equivalent, MS preferred Note: If interested please send your updated resume and include your rate/salary requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us. We look forward to hearing from you at the earliest!

We are seeking a highly skilled Payroll Technical Consultant with extensive experience in US Payroll. The ideal candidate will have a strong background in ABAP HR code development and a deep understanding of Core HR and Payroll modules. This role involves designing and developing custom HR-ABAP programs, working with PNP/PNPCE logical databases, and enhancing payroll processes. • Experience: 9-15 years in payroll technical consulting. • ABAP HR Development: Proficient in ABAP HR code development. • Custom Programs: Design and write HR-ABAP custom programs; modify standard programs as needed. • Database Programming: Experience with PNP/PNPCE logical databases and cluster programming for Core HR, payroll, and time management. • Core HR & Payroll Knowledge: In-depth knowledge of Core HR and Payroll modules, including schemas, functions, and operations. • HR Tables/Clusters: Familiarity with HR, Core HR, and Payroll tables/clusters; experience in developing reports/BDC in the HR module. • Payroll Processes: Strong experience in Core HR and payroll processes, including preparing payroll reports. • Reports & Interfaces: Design and develop reports, interfaces, info types, and enhancements. • Team Development: Guide and develop team members to enhance their technical capabilities and productivity. • Forms Experience: Hands-on experience with SMART forms and HR forms. • User Exits & BAPIs: Proficient in user exits, BADi, and BAPI. • OOPS Concept: Strong understanding of object-oriented programming concepts. • Technical Documentation: Experience in requirement gathering, designing technical documents, unit testing, and code review. • Qualifications: • Bachelor’s degree in computer science, Information Technology, or a related field. • Proven experience in payroll technical consulting with a focus on US Payroll. • Excellent problem-solving skills and attention to detail. Strong communication and interpersonal skills.

Trexquant is a growing systematic fund at the forefront of quantitative finance, with a core team of highly accomplished researchers and engineers. To keep pace with our expanding global trading operations, we are seeking a C++ Market Data Engineer to design and build ultra-low-latency feed handlers for premier vendor feeds and major exchange multicast feeds. This is a high-impact role that sits at the heart of Trexquant's trading platform; the quality, speed, and reliability of your code directly influence every strategy we run. Responsibilities Design & implement high-performance feed handlers in modern C++ for equities, futures, and options across global venues (e.g., NYSE, CME, Refinitiv RTS, Bloomberg B-PIPE). Optimize for micro- and nanosecond latency using lock-free data structures, cache-friendly memory layouts, and kernel-bypass networking where appropriate. Build reusable libraries for message decoding, normalization, and publication to internal buses shared by research, simulation, and live trading systems. Collaborate with cross-functional teams to tune TCP/UDP multicast stacks, kernel parameters, and NIC settings for deterministic performance. Provide robust failover, gap-recovery, and replay mechanisms to guarantee data integrity under packet loss or venue outages. Instrument code paths with precision timestamping and performance metrics; drive continuous latency regression testing and capacity planning. Partner closely with quantitative researchers to understand downstream data requirements and to fine-tune delivery formats for both simulation and live trading. Produce clear architecture documents, operational run-books, and post-mortems; participate in a 24×7 follow-the-sun support rotation for mission-critical market-data services. Requirements BS/MS/PhD in Computer Science, Electrical Engineering, or related field. 3+ years of professional C++ (14,17,20) development experience focused on low-latency, high-throughput systems. Proven track record building or maintaining real-time market-data feeds (e.g., Refinitiv RTS/TREP, Bloomberg B-PIPE, OPRA, CME MDP, ITCH). Strong grasp of concurrency, lock-free algorithms, memory-model semantics, and compiler optimizations. Familiarity with serialization formats (FAST, SBE, Protocol Buffers) and time-series databases or in-memory caches. Comfort with scripting in Python for prototyping, testing, and ops automation. Excellent problem-solving skills, ownership mindset, and ability to thrive in a fast-paced trading environment. Familiarity with containerization (Docker/K8s) and public-cloud networking (AWS, GCP). Benefits Competitive salary, plus bonus based on individual and company performance. Collaborative, casual, and friendly work environment while solving the hardest problems in the financial markets. PPO Health, dental and vision insurance premiums fully covered for you and your dependents. Pre-Tax Commuter Benefits  Trexquant is an Equal Opportunity Employer

Atto Trading, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies, is looking for a Low-Latency Developer to join our team. We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort.  Position Highlights: We are modernizing our trading and research platform to scale our alpha trading business. This platform will enable researchers to explore, test, and deploy sophisticated signals, models, and strategies across asset classes in a robust, fully automated manner while maintaining competitive latency targets. As a Low-Latency Developer, you will be responsible for designing, optimizing, and maintaining high-performance trading systems to minimize latency. Your Mission and Goals: Analyze and optimize the performance of low-latency trading systems by identifying bottlenecks and inefficiencies in the code, and implementing effective solutions.  Develop and adapt the platform to support the demands of a fast-paced trading environment, while effectively managing technical debt. Requirements Over 5 years of experience as a low-latency developer with a focus on performance optimization in a high-frequency trading (HFT) environment. Experience with multiple components of an HFT platform or system, particularly those on the critical path. Experience working at an HFT firm during its startup phase and/or on a trading team is a significant plus. Technical Skills: Deep knowledge of HFT platforms: networking, kernel bypass, market data, order entry, threading, inter-process communication, and strategy APIs. Proven low-latency development and performance optimization in HFT. Strong proficiency in C++. Excellent understanding of CPU caches and cache efficiency. Experience with multithreaded and multi-process synchronization. Good understanding of networking protocols. Skilled in performance profiling and optimization tools. Advanced knowledge of Linux operating systems, including kernel-level device mechanisms. About You: Practical decision-making skills. Excellent communication skills. Strong analytical and problem-solving skills. Passion for trading. Ability to work independently and as part of a team. Benefits Competitive rates of pay. Paid time off (5 weeks). Coverage of health insurance costs. Office lunches. Discretionary bonus system.  Annual base salary range of $150,000 to $300,000. Pay (base and bonus) may vary depending on job-related skills and experience. Our motivation: We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth. Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!