Senior Software Engineer, Data Platform

Cross River

Senior Software Engineer at Cross River, developing software for their AI-powered data platform. Responsible for full-stack development and integration of AI capabilities across various tools.

Posted 7/16/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $150,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack software development, particularly with React and Python, while integrating AI capabilities and ensuring data security. Proficient in AWS services and relational databases, with a strong focus on operational stability and problem-solving.

Highest-signal resume keywords

Full-Stack Web DevelopmentReact Front-End DevelopmentPython Back-End DevelopmentAWS Cloud EnvironmentsLarge Language Model Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentReactTypeScriptPythonAPI DevelopmentSQLRelational DatabasesVersion Control with GitProblem-SolvingData Security

Soft Skills

CollaborationConsiderate Data StewardshipEnthusiasm for Delivering Solutions

Tools & Technologies

AWS Lake FormationAWS GlueAWS AthenaAWS ECSSnowflakeGit

Industry Keywords

AI-Native CapabilitiesRetrieval-Augmented GenerationNatural-Language-to-SQLData StewardshipObservability

Tech Stack

Tools & technologies

AWSCloudPythonReactSQLTypeScript

About the role

Key responsibilities & impact

Design, develop, and maintain full-stack software in support of Cross River's data platform
Build and operate AI-native capabilities: LLM-powered agents and reasoning loops, retrieval-augmented generation (RAG) over the data catalog, and natural-language-to-SQL query experiences
Integrate large language models responsibly, with rigorous permission checks, tracking, and observability on every model call
Act as a thoughtful and considerate data steward, with a mind for strong data security
Engineer React-based web UIs that present complex data (catalogs, lineage, dashboards, and conversational interfaces) clearly and accessibly
Build and operate Python back-ends that house APIs and integrate with the data platform and adjacent systems
Interact with AWS services and technologies including Lake Formation, Glue, Iceberg, Hive, Athena, ECS, and Snowflake
Operate and troubleshoot and issues across the UIs, APIs, agents, and data pipelines
Collaborate with other software engineers, data engineers, data scientists, and business personnel to ensure business, security, and operational needs are met
Manage code and versioning effectively using Git and participate in architectural discussions on product- and platform-level designs
Ensure best practices around development, testing, and documentation.

Requirements

What you’ll need

5+ years of experience in software engineering, with a strong focus on full-stack web and API development
Strong front-end skills with React and TypeScript
Strong back-end / API development skills in Python
Hands-on experience building with large language models, such as integrating LLM APIs, agents, RAG, or other AI-powered application features
Proven experience with AWS cloud environments (ECS, IAM, S3, and data services such as Glue, Athena, or Lake Formation)
Strong experience with relational databases and SQL, plus Git for version control and review processes
Very strong problem-solving skills and an enthusiasm for delivering working, performant, and operationally stable solutions.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Cross River Website LinkedIn All Job Openings 501 - 1000 employees Founded 2008 🏦 Banking 💳 Fintech ☁️ SaaS 💰 $620M Series D on 2022-03 Banking
Fintech
SaaS Cross River is a leading technology-focused financial company that provides API-driven banking infrastructure. They enable a wide range of financial services, leveraging partnerships with major payment networks like Visa, Mastercard, and American Express to offer card issuing solutions. Cross River supports innovation in financial services through a variety of products, including infrastructure for banks, digital lending solutions, faster payments like FedNow® and RTP®, and card and account programs for credit and debit. Their solutions cater to numerous sectors, redefining financial services with compliance-integrated solutions, serving neobanks, digital lenders, and various institutional credit investors. Senior Software Engineer, Data Platform Job not on LinkedIn 🔥 0 minutes ago 🇺🇸 United States – Remote 💵 $150k - $200k / year ⏰ Full Time 🟠 Senior 🏗️ Platform Engineer 🦅 H1B Visa Sponsor AWS Cloud Python React SQL TypeScript Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Design, develop, and maintain full-stack software in support of Cross River's data platform
Build and operate AI-native capabilities: LLM-powered agents and reasoning loops, retrieval-augmented generation (RAG) over the data catalog, and natural-language-to-SQL query experiences
Integrate large language models responsibly, with rigorous permission checks, tracking, and observability on every model call
Act as a thoughtful and considerate data steward, with a mind for strong data security
Engineer React-based web UIs that present complex data (catalogs, lineage, dashboards, and conversational interfaces) clearly and accessibly
Build and operate Python back-ends that house APIs and integrate with the data platform and adjacent systems
Interact with AWS services and technologies including Lake Formation, Glue, Iceberg, Hive, Athena, ECS, and Snowflake
Operate and troubleshoot and issues across the UIs, APIs, agents, and data pipelines
Collaborate with other software engineers, data engineers, data scientists, and business personnel to ensure business, security, and operational needs are met
Manage code and versioning effectively using Git and participate in architectural discussions on product- and platform-level designs
Ensure best practices around development, testing, and documentation. 🎯 Requirements
5+ years of experience in software engineering, with a strong focus on full-stack web and API development
Strong front-end skills with React and TypeScript
Strong back-end / API development skills in Python
Hands-on experience building with large language models, such as integrating LLM APIs, agents, RAG, or other AI-powered application features
Proven experience with AWS cloud environments (ECS, IAM, S3, and data services such as Glue, Athena, or Lake Formation)
Strong experience with relational databases and SQL, plus Git for version control and review processes
Very strong problem-solving skills and an enthusiasm for delivering working, performant, and operationally stable solutions. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Platform Engineer II 🔥 17 minutes ago Octopus Energy 1001 - 5000 ⚡ Energy 📡 Telecommunications Website LinkedIn All Job Openings Platform Engineer II at Octopus Energy, developing scalable and reliable cloud-based services. Collaborating with senior engineers to enhance developer experience and operational efficiency. 🇺🇸 United States – Remote 💵 $118k - $151k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 🏗️ Platform Engineer AWS Cloud Docker Kubernetes Linux Postgres Python RabbitMQ Terraform CXOne Platform Engineer 🔥 3 hours ago MorganFranklin Consulting 501 - 1000 🤝 B2B 📋 Compliance 🔒 Cybersecurity Website LinkedIn All Job Openings CXOne Platform Engineer involved in Cloud technology for Contact Center. Designing and developing products, features, and integrations with NICE CXone solutions. 🇺🇸 United States – Remote 💰 Venture Round on 2014-06 ⏰ Full Time 🟡 Mid-level 🟠 Senior 🏗️ Platform Engineer Cloud Java JavaScript Python Senior Robotics Platform Engineer, Robotics/Infra 🔥 3 hours ago Gather AI 11 - 50 🤖 Artificial Intelligence 🚗 Transport 🔧 Hardware Website LinkedIn All Job Openings Senior Robotics Platform Engineer at Gather AI developing communication layers for robotics systems. Owns ROS2 and Zenoh middleware while collaborating on advancements in warehouse automation. 🇺🇸 United States – Remote 💰 $10M Series A on 2022-10 ⏰ Full Time 🟠 Senior 🏗️ Platform Engineer 🦅 H1B Visa Sponsor Docker Senior Platform Engineer 🔥 4 hours ago LifeMD 201 - 500 📡 Telecommunications ⚕️ Healthcare Insurance 🧘 Wellness Website LinkedIn All Job Openings Senior Platform Engineer responsible for the AWS infrastructure of a telehealth company. Designing microservices architecture and building high-quality software solutions. 🇺🇸 United States – Remote 💵 $170k / year ⏰ Full Time 🟠 Senior 🏗️ Platform Engineer 🦅 H1B Visa Sponsor AWS DNS EC2 Microservices Python Terraform TypeScript Go Senior Software Engineer, Platform 🔥 4 hours ago ECP 51 - 200 ⚕️ Healthcare Insurance ☁️ SaaS 🤝 B2B Website LinkedIn All Job Openings Senior Software Engineer role focused on building shared components for ECP, a SaaS solution for senior living communities. Collaborate with product teams on AI agent workflows, messaging backbone and shared services. 🇺🇸 United States – Remote ⏰ Full Time 🟠 Senior 🏗️ Platform Engineer AWS Node.js Postgres SQL TypeScript View More Platform Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Find jobs using your resume Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs