Application Support Engineer
Marlin Selection Recruitment
Get AI-powered advice on this job and more exclusive features. On behalf of our client, a Fintech business, we are seeking application support engineers in New York to assist in their growth. Job Description: The Application Support Engineer position supports customer-facing operations by responding to operational and business issues. This position is responsible for planning, deploying, and supporting client implementations of the client's products. This position will be responsible for the planning and execution of weekend activities in coordination with the existing Monday to Friday support team. This work will include carrying out upgrades and migrations for the application software, processing client service requests, and providing application support to clients over the phone, email, and live chat. The successful applicant for the Application Support Engineer position will be required to work full-time hours spread across set days during the usual business week and weekend. The typical schedule will be Saturday or Sunday plus four weekdays. This is subject to an initial training period of 8 weeks from the commencement date where all work will be performed from Monday to Friday. Specific Duties: Provide customer support in accordance with company SLAs via email, phone, or live chat. Act as a technical first responder. Triage technical issues across multiple infrastructure levels (network, OS, application). Prioritize and escalate issues according to the severity and details of each case. Analyze logs, FIX messages, and other primary sources to determine the root cause of trading and quoting issues. Manage upgrades and migrations for the business and related application software. Perform system check-out after the process is completed. Develop subject matter expertise and be an ambassador of digital asset knowledge within the team. Work with clients to appropriately configure each aspect of their application, including liquidity provider details, order routing configuration, trading platform connectivity, and prime broker give-up arrangements. Required Skills: Excellent verbal and written communication skills and high attention to detail. Ability to process multiple client communication streams and make high-quality decisions under pressure. Desire and ability to learn new skills and tools, and enthusiastically take on new opportunities and tough challenges. High proficiency level (power user) with Microsoft Windows OS. 2 - 5 years experience supporting clients in the financial services industry. Understanding of FIX protocol. Basic knowledge of TCP/IP and Networking. Basic knowledge of SQL (PGSQL, MYSQL). Seniority level Mid-Senior level Employment type Full-time Job function Information Technology, Production, and Other #J-18808-Ljbffr
$100k - $140k
...recruiter to learn more. Base pay range $100,000.00/yr - $140,000.00/yr firstPRO is now accepting resumes for an Application Support Engineer role in NY, NY. This is a direct hire role and onsite. The typical schedule will be four weekdays and one weekend day per...SuggestedFull timeWeekend work1 day per weekWeekday work- ...States | Posted on 01/19/2026 We are seeking a skilled HSE Application Support Specialist to provide technical and functional support for... ...’s degree in Computer Science, Information Technology, Engineering, or related field. Proven experience supporting applications...SuggestedContract work
$40 - $50 per hour
...complex software issues and delivering timely resolutions. Support and guide colleagues by sharing knowledge and best... ...Preferred Qualifications Advanced proficiency in Application Remediation, Engineering Support, and Java. Banking experience. Compensation...SuggestedWork experience placementLive inWork at officeLocal areaImmediate startRemote workFlexible hours2 days per week$130k - $165k
...with order data across a vast array of markets and asset classes Support systems processing that data for Surveillance and Regulatory... ...Onboard support processes for new development teams and applications as the support team continues to expand What we’re looking for...SuggestedTemporary workFlexible hours$150k - $180k
...innovate. Overview: We are looking for a technically curious support engineer to join our Front Office Technology team. Your foundation... ...of our technology platform (Keystone) and related trading applications throughout the trading day Respond to and resolve production...SuggestedMinimum wagePermanent employmentWork at officeShift work$80k - $90k
...OSTTRA is seeking an experienced, analytical, and collaborative Application Support Engineer to join our team in New York City. In this role, you will provide critical 2nd-line technical support for our core Trade Processing applications, which are hosted across on-premises...Casual workLocal area$100k - $150k
...Intenseye helps protect hundreds of thousands of workers across 25+ countries—and we’re just getting started. The Role As an Application Support Engineer, you will cover the full support spectrum: fielding inbound customer questions directly via chat and email (L1),...Work at officeRemote work- ...We are seeking an experienced Aladdin Application Support Engineer to join our Trading Technology team, providing L2/L3 production support for BlackRock's Aladdin platform across front office trading and portfolio construction workflows. The ideal candidate has hands-...Night shift
- ...We are seeking a highly experienced Senior Application Support Engineer with strong expertise in .NET technologies, SQL Server, SSIS, and retail domain applications. This is a critical, highly technical role focused on ensuring the stability, performance, and reliability...
- ...Location: New York with Hybrid 4 days in office. About the Client Our client is a leading global hedge fund seeking an Application Support Engineer to join its Front Office Technology team. This role offers the opportunity to work directly with portfolio managers, traders...Work at office
- ...continuous improvement. Work directly with Engineering to identify, report, and resolve... ...and inform the product roadmap based on support insights. Requirements Bachelor’s degree... ...in Python and experience with AWS-based applications. Strong problem‑solving skills; able to...
- ...Capstone in New York seeks a technically curious support engineer for their Front Office Technology team. This role involves owning the operation of Keystone, Capstone's trading platform, and contributing to automation and AI-assisted operations. The ideal candidate has...
- ...Apollo Solutions seeks an Application Support Engineer for its Front Office Technology team in New York. You will support critical trading and investment systems, work with traders and portfolio managers, and drive automation and observability initiatives. In this fast...
$100.6k - $169.8k
...Join us to be part of a company that values innovation, client satisfaction, and continuous improvement. As an Application Support (Backline Support Engineer) at Blueflame AI, you will play a critical role in bridging the gap between our Customer Support and...Work at office3 days per week- ...8 - 5 with hour lunch w/ a rotating weeking with 3 others. We are seeking a highly motivated and technically proficient Application Support Engineer to join our growing Customer Success team. This role is ideal for individuals who enjoy solving complex technical challenges...Full timeWork at officeRemote workHome officeMonday to FridayFlexible hours
$115k - $168k
...Regional Application Engineer Eaton's ES GEIS CHD division is currently seeking a Regional Application Engineer. This is a remote role... ...consultative, technical sales professional responsible for supporting electrical consultants, designers, end users and specifiers...For contractorsLocal areaRemote workRelocation- ...guarantee complete traceability of the sample. Our solutions support over 2.700 clinical laboratories worldwide . The Inpeco... ...Position: We are seeking a Field Service Software Applications Engineer to support the installation, maintenance, and troubleshooting...Permanent employmentContract workLocal areaRemote workWorldwide
- ...implementation, configuration, and integration support for Concurrent Real‑Time products,... ...‑term performance of their real‑time applications. Participate in system testing,... ...Bachelor’s or Master’s degree in Computer Engineering, Electrical Engineering, Computer Science...Remote work
$85k - $95k
...The Role We’re looking for a hands‑on, technically curious Applications Engineer to take ownership of the performance, reliability, and optimization... ...engineering, data analysis, and customer‑facing technical support. You’ll play a key role in ensuring successful deployments,...- ...Position Title Applications Engineer (USA) Department Engineering Entity CS e-STORAGE Reports To Director, Applications Engineering Americas... ...Summary The Applications Engineer provides technical expertise to support Canadian Solar’s energy storage solutions. This role focuses...Contract workRemote work
$60 per hour
...part of a growing community of over 100,000 professionals — including front‑end, back‑end, full‑stack, machine learning, and other engineers — who are driving real‑world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll...Hourly payFull timeRemote workFlexible hours$140k - $202k
...join us! Figma is evolving the Product Support experience, powered by AI, automation,... ...streamline support operations. As a Support AI Engineer on this team, you'll be the technical... ...by law. We also consider qualified applicants regardless of criminal histories, consistent...Full timeRemote workWork from home$192k - $240k
...Engineering at Brex Engineering at Brex is about building systems that scale with speed and... ...leaders. What you’ll do As a Senior Application Security Engineer, you will focus on finding... ...of the Brex platform and tooling which supports secure developer workflows. Application...Work experience placement- ...passionate about securing global‑scale e‑commerce services and applications that power millions of customers across more than a hundred... ...countries? We are looking for a hands‑on Principal Product Security Engineer to lead Secure Development Lifecycle assurance processes,...Remote workHome office
- A technology firm is seeking an Application Engineer to join its remote team based in North America. In this customer-facing role, you'll support technical discussions, assist customers with integrating advanced electric motors into their systems, and collaborate with the...Remote job
- Estée Lauder Companies in New York seeks an experienced Application Security professional to lead secure SDLC initiatives, DevSecOps integration... ...and partners. This role emphasizes collaboration with IT, engineering, and security stakeholders to implement threat modeling, #J-...
- The Estée Lauder Companies Inc. is seeking an experienced Application Security professional to evangelize our security strategy under the Global Head of Application Security. You will work on SDLC security, DevSecOps, and multi-cloud initiatives to deliver trusted software...
- ...innovators who want to make an impact on the world of technology. Application Engineer – Presales of CAE Simulation software with focus on multi‑... ...meshing techniques, and engineering accuracy requirements. Support RFIs/RFPs with highly technical responses, including...
- Role Description We’re looking for a Field Application Engineer who’s wired for AI/ML, fluent in real-world problem-solving, and excited to build with the people actually using what we make. You will collaborate closely with the sales team and enterprise customers, leveraging...Remote work
- ...Skeleton's Commercial department is looking for a driven and experienced Application Engineer- Data Centers (m/f/x) to support our customers and partners across the United States. In this role, you will be the key technical liaison between our sales, product, and engineering...For contractorsFlexible hours
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