Mobile App Development Engineer, Android/iOS

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

Unison Consulting, Inc. (Unison) is a leading aviation consulting firm with more than 36 years of experience advising clients around the world. Unison has provided aviation consulting services to over 150 airports throughout the United States, Canada, South America and the Caribbean, including 17 of the 25 busiest U.S. airports. Unison is a recognized industry leader and we seek self-motivated, driven individuals to help us bring innovative ideas to our clients. Interested individuals should have talents and experience commensurate with the position being pursued. Unison is seeking a software engineer who can wear every hat in the full development life cycle of Net applications. Our ideal candidate is a highly motivated individual who is looking to learn about the latest programming languages to create and extend applications that are flexible and scalable across a wide range of strategies. Primary duties will include UI development, database development, integration with 3rd party applications and middleware development. Required Experience • Minimum 3 years’ experience with the following technologies: • HTML, JavaScript, jQuery, AJAX, Bootstrap • Visual Studio • Writing SQL queries and stored procedures of moderate complexity on SQL Server or Oracle PLSQL • Knowledge of SOAP and RESTful web services • Self-motivated; experience working well both independently and collaboratively Desired but not required • Experience with PowerBI • Experience with Oracle Report Builder Job Type This is a permanent fulltime onsite position (hybrid work environment). No contract/ C2C or sponsorship is available for this position. Must be authorized to work in the US without expiration. Required Education • Bachelor degree preferred • Minimum High School with a minimum of 5 years work experience Other Requirements • Must pass an aptitude test Benefits • Competitive base salary and overall compensation package • Full benefits: Medical, Dental, Vision • Paid vacation, sick, and holidays • Life Insurance coverage • 401K with company match • Tuition reimbursement Schedule: • 8 hour shift Pay $83,000.00 $87,000.00 per year

About Us Resonance is building a more sustainable and valuable fashion industry for designers, brands, manufacturers, consumers, and the planet. The company’s AI-powered operating system ONE enables Brands to Design, Sell and Make in that order, empowering designers to operate with no unnecessary inventory—eliminating the financial and environmental burdens of the legacy fashion industry. Headquartered in New York City and Santiago, Dominican Republic, Resonance has partnered with more than 30 brands, including THE KIT and Rebecca Minkoff to create garments that use 97% less dye, 70% less water, and 50% less material than any other fashion brand—and immediately eliminate overproduction. Want to know more? Visit our website and read articles about us. About the Role We’re looking to add a front-end software engineer to our team to report directly to our technical cofounder and CEO, Christian Gheorghe and rapidly build interactive user experiences and interfaces for our brands designing, selling and operating on our self-sufficient digital product ONE. This role engages across product management, platform engineering and design. Individuals in this role supercharge our ability to rapidly ship new experiences and learn from live users. Responsibilities include: Build best in class user experiences for highly visual, creative users across a myriad of functions including: 3D design, e-commerce/channel selling systems, planning tools, and more. Scope, design and lead implementation of technical projects, laying groundwork for early-stage products to iteratively evolve and scale. Ensure UI components and libraries are reliable, secure and accessible. Independently and collaboratively solve UI/UX design problems, including debugging for long term stability. You may be a good fit if the following describes you: You’re a coder, a hacker, an engineer at heart. You like to create something from nothing. You appreciate beautiful, highly opinionated, custom built, user experiences and design systems. You are intensely curious and desire a role where you collaborate with creators, designers and manufacturers. You have love for analog and digital products, from vinyl LPS to beautiful VR applications. Requirements Job Requirements 3+ years of experience developing design systems. Strong foundation in front-end frameworks, design patterns, data structures, storage systems and web services. Proficient in web technologies: React, JavaScript, HTML, CSS, modern package bundlers/task runners and testing tools. Experience with CI/CD pipelines and how to integrate frontend applications in that pipeline. Experience with Webpack, Storybook, GraphQL, and AWS a plus. Able to independently solve UI/UX design problems. Computer Science Background Comfortable with being given clearly-defined goals but full ownership and responsibility for discovering the path to achieve those goals. Ability to succeed in a constantly changing, fast-paced environment. Making mistakes means we are learning, and you welcome actively seeking ways to grow Benefits We offer full benefits (medical, dental, and vision), a competitive salary and equity Resonance Companies is an equal opportunity employer and values diversity in our company. We do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need.

Overview: We are the largest full service ATM deployer in Maryland & DC area. We are looking for someone who is fairly handy and tech savvy who can repair machines, replace parts, do installs and troubleshoot problems at various locations. We will train and you will be expected to learn on the job as we did. We operate from southern PA to Northern Virginia and everywhere in between (all throughout Maryland) so there will be travel expected as part of the job. Duties: -Install new ATM's and remove ATM's from locations -Troubleshoot errors at the machine -Run communication wire and setup modems at ATM locations -Remove and replace parts -Reprogram machines We are a founder run business and you would deal directly with the owners of the company. We are always looking to grow and expand into new business environments and have consistently grown in our industry to be the largest operator in our market. Benefits: -Fuel card -Paid training -Vehicle (for full time) Brandon

Job Summary: Under general supervision, the .NET Developer will design, code, test, modify, and debug computer software. This position is responsible for translating business requirements into secure, maintainable development activities and writing clear documentation. The developer will research and analyze program or systems problems and participate in the development lifecycle, focusing on application performance and reliability. Key Responsibilities: Design, develop, test, and maintain software applications using .NET technologies. Work with ASP.NET MVC (v4/5), .NET Core, and Entity Framework to build and support robust web applications. Utilize front-end technologies including JavaScript frameworks such as AngularJS, React, jQuery, and UI libraries like Kendo UI, Bootstrap, and HTML5. Develop and maintain database logic using MS SQL Server, Oracle, T-SQL, and PL/SQL. Build and consume web services and APIs. Integrate applications with Azure Active Directory and Azure B2C (optional). Deploy and debug web-based applications in development and production environments. Utilize version control systems like Git and TFS for code management and collaboration. Work collaboratively with cross-functional teams to meet project goals and deadlines. Required Skills and Experience: Software Development: 2+ years .NET Development: 2+ years ASP.NET MVC (v4/5): 1+ year JavaScript & UI Frameworks (Kendo UI, AngularJS, React, jQuery, HTML5, Bootstrap): 2+ years Web-Based Application Deployment & Debugging: 2+ years Highly Desired Skills: .NET Core: 1+ year Entity Framework: 2+ years Database Development (MS SQL, Oracle, T-SQL, PL/SQL): 2+ years Web Services Development: 2+ years Nice to Have: Azure AD & Azure B2C Integration: 1+ year Version Control (GIT, TFS): 2+ years Qualifications: Bachelor’s degree from an accredited college or university in Computer Science, Information Systems, or a related field. Minimum of 2 years of related software development experience.

This Software Engineering position is with NoGood's sister company, Goodie AI. Read on to learn more. About Goodie AI: Goodie AI is the pioneering LLM visibility and AI search optimization platform enabling the world’s top brands to own their AI narrative across leading LLMs like ChatGPT, Gemini and Perplexity. Backed by strong funding and validated by active paying customers, we are scaling fast and tackling some of the hardest AI search challenges. We are looking for an exceptional Senior Software Engineer to join our rapidly growing team. You will play a critical role in driving and accelerating the development of cutting-edge AI use cases, working closely with our Product Lead, Designers, and Machine Learning Engineers to design and build scalable, industry-leading AI platforms. After you apply, check out Goodie AI's website to learn even more! Why join us: Shape the future of AI search and brand discovery—work at the cutting edge of Answer Engine Optimization (AEO). End-to-end ownership—drive scalability, speed, and user experience of our AI-Native platform. Work on high-impact AI applications used by top brands. Well-funded, fast-growing AI startup with a strong product-market fit. Salary: $160K-$200K + Equity (commensurate with experience). Location: NYC-based (In-person). Best-in-class benefits. You'll do: Lead the development of our AI platform, focusing on scalability, speed, and user experience. Architect and develop front-end solutions using React to create smooth, engaging, and intentional user experiences. Implement back-end infrastructure with a focus on speed, scalability, security, and seamless integration with various platforms via robust API connections. Utilize DevOps practices to manage the deployment pipeline, ensuring efficient, reliable, and secure software delivery. Collaborate with UX/UI Designers to translate web designs into functional, intuitive user interfaces. Work closely with Data Scientists to ensure accurate data collection, analysis, and application within the platform. Participate in the entire application lifecycle, from coding to debugging and testing, with an emphasis on quality and performance. Maintain and optimize the performance of existing applications. Stay up-to-date with emerging technologies and explore potential integrations to enhance our operations. Take full ownership of the technical delivery of projects from planning through deployment. Translate business requirements into technical specifications and ensure alignment across engineering and product teams. Develop project timelines, allocate resources, and monitor progress to ensure timely delivery of features and milestones. Anticipate risks and roadblocks, proactively manage dependencies, and resolve issues to keep projects on track. Ensure quality assurance, performance, and scalability standards are met throughout the development lifecycle. You have: 5+ years of full-stack development experience building high-usage B2B applications. Frontend expertise in React, TypeScript, and Next.js, with a focus on responsive, high-performance interfaces. Experience with server-side languages such as Python, Node.js, or Java. Strong understanding of DevOps practices, including CI/CD, containerization (Docker), and cloud infrastructure (AWS, GCP, or Azure). Experience with database management systems (MySQL, PostgreSQL, MongoDB). Solid knowledge of RESTful APIs, API integration, and data exchange formats (JSON, XML). Familiarity with version control (Git), automated testing, and software development best practices. Bonus: Experience with AI search, vector databases, LLM APIs, embeddings, or retrieval-augmented generation (RAG). Startup-ready: thrives in fast-paced, ambiguous environments, loves shipping quickly. Passion for ad tech, AI, and building AI-native engineering teams. BSc in Computer Science, Engineering, or a relevant field. What We Offer: Benefits & Perks of Becoming a Goodie: Earn More, Together: Base Pay + Profit Sharing & Commissions Opportunities Health First: Premium Medical, Dental & Vision Coverage Flex Work Environment: hybrid at HQ and remote globally Set Up Shop: Home Office Stipend Recharge Anytime: Unlimited PTO Plan Family First: Paid Parental Leave Plan Secure Your Future: 401(k) Plan with Employer Matching Level Up: Mentorship & Career Growth Support Always Be Learning: Access to Top-tier Resources & Industry Experts Work Hard, Play Harder: Quarterly Team Trips (Onsite and Offsite) Mind & Body Wellness: Gym, Wellness, and Access to Mental Health Plans Fuel Your Day: Free Lunch, Snacks, Cold Brew, & Happy Hours Grow With Us: Endless Opportunities to Lead & Succeed Keep on Shining: Ongoing Employee Development Programs EEO & Compensation Transparency: Goodie AI is committed to pay transparency and equity among all employees and provides employees an environment where pay transparency and dialogue on compensation are allowed. Goodie AI complies with federal, state, and local laws on compensation, pay transparency, and pay equity. We take factors including geographic location, education, training, skillset, market rates, certifications, and more into consideration when constructing pay ranges for new and existing roles within our organization. The compensation range for this position is $160,000 - $200,000, base pay plus bonus. At Goodie AI, we understand that diversity in the workplace is vital to a company’s success and growth. We strive to make sure that our team members are included and have a sense of belonging that makes us a great company to work with and a great company to work for. To that end, Goodie AI is committed to Equal Opportunity Employment and complies with all Equal Opportunity Employment laws. We will consider all qualified applicants without regard to race, religion, color, national origin, sex, gender identity, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will work to make reasonable accommodations available in the job application and interview process, to perform essential duties of the job function, and to retrieve other benefits and privileges of employment with our organization.  BEWARE OF FRAUD! Please be aware of potentially fraudulent job postings or suspicious activity by persons that are posing as NoGood team members, recruiters, and HR employees. Our team will contact you regarding job opportunities from email addresses ending in @nogood.io or @higoodie.com. Additionally, we do utilize our ATS- Workable- to help us schedule initial screening calls. Job seeking is hard- we’re sorry that scammers have added this element to your search for something new. Stay vigilant out there!