Tech jobs — page 97 · freehire

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Sonari Technologies LLC

Senior iOS Engineer

Open 20d North AmericaSenior

Senior iOS engineer who owns Sonari's native iPad app end to end: building the live ultrasound capture experience in Swift/SwiftUI, streaming imaging from a handheld probe, running on-device CoreML inference for guidance overlays, and securely uploading de-identified data. Reports directly to the CTO at an AI-powered sports-medical-imaging startup.

AI API Authentication Claude Code Cloud +6 skills

150K – 180K $

InvestedintheMission

Senior Software Engineer (SatOS-Rust Team)

Open 20d HybridNorth AmericaSenior

Senior Rust engineer on Spire Global's satellite operating system (Sat OS) team, developing Rust services for spacecraft hardware interfaces, migrating legacy Python systems to a distributed Rust architecture, and implementing fault-tolerant, observable satellite-side services. Core stack: Rust, Python, Linux/Ubuntu, gRPC, Git.

Analytics API Bash CI/CD Cloud +11 skills

131K – 171K $

Next Frontier Capital

Lead Software Engineer-Network Infrastructure Development

Open 20d North AmericaLead

Leads development of software-defined networking (SDN) and network automation for JPMorganChase's datacenters and multi-cloud environments — building infrastructure-as-code, APIs, and orchestration tooling with Python, Go, JavaScript, Rust, Kubernetes, Jenkins, and VMware NSX-T, while mentoring engineers and driving responsible AI-assisted development practices.

Agile AI Analytics Ansible API +36 skills

Senior Frontend Engineer - React/TS, Owner of Enterprise UI

Open 20d North AmericaSenior

Own the customer-facing configuration and monitoring UI — prompt management, dashboards, analytics, and workflows — at HartleyCo, a YC-backed voice AI startup. You'll build in React and TypeScript as part of a small on-site team in Redwood City, collaborating directly with customers and backend engineers.

AI Analytics React TypeScript

Meridian Systematics

Software/Web Developer

Open 20d North America

Experienced software developer to build, deploy, and maintain enterprise geospatial and imagery applications in an NGA mission environment, on-site in St. Louis. Day-to-day work spans full SDLC delivery using Python/Java/JavaScript/React with Docker, Kubernetes, and DevSecOps CI/CD pipelines; requires TS/SCI clearance.

Agile API ArcGIS Automation AWS +27 skills

Koitecc Solutions

Lead Software Engineer - AI-Assisted Development

Open 20d North AmericaLead

Lead software engineer on Leidos' IFPC counter-UAS and missile defense program in Huntsville, AL: serve as technical lead building production C++/Python software on Linux within SAFe, while championing agentic AI-assisted development, coaching engineers, and adapting AI tooling to secure, restricted environments.

Agentic AI Agile AI Ai Enablement Automation +22 skills

131K – 237K $

DIRECT SALES, US

Lead Software Development Engineer

Open 20d North AmericaFull-timeLead

Sr./Lead embedded software engineer at Hologic designing, developing, and verifying C/C++ embedded software and algorithms — signal processing, real-time control, and sensor fusion — for medical devices. Prototypes in MATLAB/Python, ships production code on resource-constrained targets, and mentors junior engineers in an agile, cross-functional team.

Acceptance Criteria Agile Azure Azure DevOps CI/CD +20 skills

128K – 201K $

Senior Software Engineer - Android Development

Open 20d North AmericaSenior

Software Engineer III (senior) building Domino's Pizza's native Android/iOS apps in Ann Arbor: writing high-quality, performant Kotlin/Swift code, reviewing PRs, supporting production systems, and mentoring developers. Stack includes Android Studio/Xcode, Gradle, Fastlane, Firebase, and RESTful JSON APIs.

Accessibility Agile Analytics Android CI/CD +20 skills

120K – 130K $

Senior Android Platform Engineer - Embedded TV & IoT

Open 20d North AmericaSenior

Join Sagemcom's embedded systems team in New York as a Senior Android Platform Engineer, building Android platform integration, middleware, and system services for Android-based TV and IoT connected home devices alongside global teams and partners. Core technologies include Android, embedded Linux, and native C/C++.

Android C++ Embedded Linux Embedded Systems Linux

Consulting Software Engineer

Open 20d North America

A senior consulting engineer designs, builds, and supports enterprise Java applications (microservices, REST APIs), modernizes legacy systems to cloud-native Azure-based architecture, and mentors junior engineers while troubleshooting production issues. Core stack: Java, Azure, Docker, Kubernetes, CI/CD, SQL/NoSQL.

AI API Azure CI/CD Cloud +10 skills

Peloton Interactive

Senior Software Engineer

Open 20d North AmericaSenior H-1B sponsor history

Senior full-stack engineer on Peloton's E-Commerce Subscriptions team, scaling the company's $1B+ e-commerce platform by building scalable microservices and high-conversion web experiences while driving architecture and code quality. Core stack: JavaScript/TypeScript (React/Vue), Python/Kotlin, PostgreSQL, Kubernetes, Docker, GitHub Actions.

Agile AI AWS Cloud DevOps +15 skills

173K – 214K $

Senior Software Engineer

Open 20d North AmericaSenior

Senior Software Engineer at Tive, a supply chain visibility company, mentoring full-stack engineers while contributing to a large-scale data processing and analytics platform for shipment monitoring. Core stack includes AWS (Kinesis), Kafka, C#, Python, and SQL Server/Postgres/MongoDB.

Agile Analytics Angular AWS C# +17 skills

130K – 180K $

Senior Full Stack Engineer - Real-Time AI Backend

Open 21d North AmericaSenior

TechTree is hiring a Senior Full Stack Engineer (backend) in San Francisco to own the backend of its AI agent runtime — shipping end-to-end backend features from the agent runtime to APIs and UI, and scaling real-time, distributed services for high-volume workloads. On-site role with equity and health benefits.

Ethereum Technologies LLC

Mobile UI developer Lead

Open 21d North AmericaContractLead

Lead mobile UI developer who owns and delivers major mobile platform components, joins all agile ceremonies, mentors junior-to-mid engineers, and reviews pull requests. Core work is native mobile development in Swift (iOS) and Kotlin (Android) with third-party libraries.

Agile Android API Ethereum iOS +2 skills

Quantum Technologies. LLC

Mobile UI developer Lead

Open 21d North AmericaContractLead

Lead mobile UI developer in Richmond, United States who owns and leads delivery of major mobile platform components. Day to day involves agile teamwork, mentoring junior and mid-level developers, reviewing pull requests, and collaborating across Android, iOS, API and web teams using Swift, Kotlin and third-party libraries.

Agile Android API iOS Kotlin +1 skills

NTT America, Inc.

Senior Java Spring Boot Engineer | Hybrid Backend

Open 21d North AmericaSenior H-1B sponsor history

Senior Java Spring Boot developer on NTT DATA's Charlotte, NC team (hybrid) who designs, builds, and maintains scalable backend services — REST APIs and microservices — while implementing secure architectures, CI/CD pipelines, and cloud modernization alongside architects, DevOps, QA, and business analysts.

API CI/CD Cloud DevOps Java +3 skills

Senior Software Engineer, Backend (Node.js, TypeScript, Rust)

Open 21d North AmericaContractSenior

Senior backend engineer (W-2 placement via staffing firm Cincinnatus LLC inside a large enterprise client's platform team) building high-scale, consumer-facing services and APIs in Node.js, TypeScript, and Rust, including REST/GraphQL integrations and generative AI capabilities, at 40 hours/week.

AI Analytics API CI/CD Generative AI +6 skills

50 – 80 $ / hr

Growth-Focused Software Engineer (Backend/Full-Stack)

Open 21d HybridNorth America

A staffing placement (via INSPYR Solutions) for a hybrid backend/full-stack software engineer in Menlo Park who builds growth infrastructure: deep linking, attribution, audience segmentation, and tracking pixels, while running acquisition/retention experiments with Marketing and Engineering. Core stack: Python, SQL, data pipelines, and marketing tech.

Data Pipelines Python SQL

Gomyneed Private Limited

Senior Software Engineer, Backend - Platform (Core AI Automation)

Open 21d North AmericaSenior

Coinbase is hiring a Senior Backend Engineer to build agentic AI systems powering customer support and compliance automation — LLM orchestration, guardrails, and scalable Python/Golang backend infrastructure from design through production monitoring. Remote within the USA.

Agentic AI AI API Automation Data Pipelines +7 skills

186K – 219K $

Lead Backend & Full-Stack Engineer, Real-Time Payments

Open 21d North AmericaLead

Lead software engineer at Mastercard building backend and full-stack capabilities for a real-time decisioning platform that scores and approves billions of transactions. Day to day: owning technical areas end to end, writing code, shaping architecture, reviewing code, and mentoring engineers while delivering reliable services, APIs, and user-facing tools.