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Senior C++ / Android Systems Engineer – AOSP, Backend & Telemetry
Senior engineer building C++17 native software for Linux/Android and AOSP (native services, Binder IPC, SELinux), plus backend services, telemetry diagnostics, and data analysis in Hack/PHP, Python, and SQL — owning issues end-to-end from testing through production on-call support.
Software Development Engineer in Test (SDET/UI/API/Mapping/AI/Hybrid)
SDET owning the staging-to-production quality gate for an AI-driven weather and orbital intelligence platform: building E2E UI and API automation, synthetic data generators, and CI/CD gates, while shipping production fixes. Uses agentic AI tools (Claude, Cursor) and mapping libs (Mapbox/MapLibre); hybrid role based in Denver/Boulder.
Senior Project Manager MEP – Construction
Senior MEP Project Manager who oversees the mechanical/electrical/plumbing side of construction and capital projects for a global manufacturing client on behalf of Turner & Townsend: reviewing design drawings, coordinating GCs and commissioning agents, running field/punch walks, QA/QC, and progress/KPI reporting. Core needs: MEP or mechanical engineering background plus owner's-rep and field const
Senior Backend Software Engineer
Senior Backend Engineer (Python) at Confero, building and evolving core services for a multi-tenant SaaS data access intelligence platform that processes millions of files and events daily — spanning data ingestion pipelines, PostgreSQL schema/query work, REST APIs, and Docker/Kubernetes deployment. Hybrid role in the New York metro area.
Backend Java Developer
12-month onsite contract (via staffing firm Abode Techzone) for a senior backend Java developer at a financial-services end client in Atlanta, GA. Day to day: build custom internal Java/Spring Boot apps on event-driven architecture that integrate with SAP systems, deployed on GCP with Jenkins/GitHub CI/CD.
Backend Java Developer
TechDigital Corporation seeks a Backend Java Developer in Alpharetta to lead design of scalable microservices and RESTful web services, mentor the team, and integrate Kafka streaming with Oracle/PL-SQL databases. Core stack: Core Java, Spring Boot/Spring Core, Kafka, Oracle — with Cards & Payments and Asset & Wealth Management domain knowledge.
Backend Java Developer
Senior backend Java developer leading the design and implementation of scalable microservices and RESTful web services, with Kafka for data streaming and Oracle/PL-SQL for database management. Also mentors the team and requires domain knowledge in cards/payments and asset & wealth management.
Senior Software Engineer - Backend
Senior backend engineer at Jobba Trade Technologies, a cloud SaaS for commercial roofing job management. Day to day: modernize a legacy .NET Framework system to .NET 10, design cloud-native distributed services (DDD, CQRS, event streaming), build REST APIs, and mentor juniors. Hybrid role (4 days onsite in Rosemont, Chicago); core stack is C#/.NET on Azure.
Backend .NET Developer
Backend .NET developer designing, building, and maintaining cloud-based applications and integrations on Azure (Logic Apps, Functions, Service Bus, API Management) using C#/.NET Core, REST APIs, microservices, and SQL Server; Kafka experience preferred. Hybrid role, 3 days/week at a client site in Westchester, IL; local candidates only.
Senior Software Engineer (Backend / Full Stack)
Backend/full-stack engineer (posted via recruiter People In AI) for a seed-stage NYC startup building software that boosts businesses' visibility on AI-powered search platforms. Day to day: build and scale backend systems, APIs, databases, and AI/LLM agents — fully onsite in NYC six days a week.
Senior Software Engineer, Backend — Booking Platform & APIs
Hands-on senior backend engineer who owns and builds a versioned external booking API (pricing, availability, holds, bookings, cancellations) for a hotel booking platform used by millions of guests, focusing on idempotency, reconciliation, and preventing overselling. Stack: Ruby on Rails, Node.js, Postgres, MongoDB, OpenSearch, AWS, Datadog; 4 days/week at NYC HQ.
Java Backend Developer
Principal Java backend developer on a Strategic Client Reporting team at a financial services firm: designs, codes, and tests scalable server-side solutions, mentors other developers, and aligns architecture with financial products and regulatory/compliance needs. Core stack: Java/J2EE, Spring, microservices, RDBMS/SQL, Kafka, CI/CD, and cloud.
IBM DataPower Integration / API Developer
Six-month contract role in Erie, PA for a senior (8-10 yrs) IBM DataPower integration/API developer: designing, configuring, and supporting secure APIs and enterprise integrations on DataPower Gateway, including REST/SOAP services, XML/JSON transformations, OAuth/JWT/mTLS security, and CI/CD-supported deployments. Pays $50-53/hr on W2/C2C.
Backend Engineer
Backend engineer building cloud-based satellite ground-operations software in Python on AWS: designing scalable APIs, Kubernetes/containerized deployments, CI/CD automation, and generative AI integrations. Hybrid role (2-3 days onsite) at a ~70-person venture-backed space company in Denver, CO; active clearance required.
Middle Backend Developer (PHP · AWS Lambda · AI)
Mid-level backend developer building PHP microservices on a serverless AWS Lambda architecture with MySQL, while also supporting and extending the Python/PostgreSQL AI agent (Cora) and LLM-powered features of Bear Claw's recruiting/ATS platform. Onsite in Evanston, United States.
.net Backend Developer
Senior .NET backend developer (7–11 years) designing and building scalable, secure microservices and RESTful APIs with .NET Core, supporting CI/CD pipelines and mentoring juniors. Hybrid role — 3 days onsite per week in Charlotte, Jersey City, or Hartford.
Java Backend Developer with AWS
Onsite Java Backend Developer role in Jersey City, NJ through Pyramid Consulting: develop and maintain backend Java applications and use AWS services for deployment and scalability, working with teams to ensure quality delivery. Requires 5+ years of Java experience and strong AWS skills.
Senior / Principal Backend Engineer
Owns the architecture and implementation of the backend for Otto, a personal AI device platform: AWS cloud infrastructure (CDK, Lambda, ECS/Fargate), real-time device connectivity and streaming, auth, integrations, model routing, and billing. Stack: TypeScript/Node.js, Hono, tRPC, PostgreSQL, Redis.
C#.NET Backend Developer
Builds and maintains backend services, REST APIs, and data-processing workflows in C#/.NET (ASP.NET Core) for a cloud-based trading platform company serving broker-dealers, prop trading groups, and hedge funds. Core stack: C#, ASP.NET Core, SQL Server/PostgreSQL, Entity Framework Core.
Python Backend Developer
8+ years Python backend developer for a 12+ month contract in Phoenix, AZ (hybrid, 3 days onsite per week; in-person interview required). Day to day: build RESTful APIs and backend services with Flask/FastAPI/Django, optimize PostgreSQL, handle async processing, background jobs, and integrations, and write tests via Git-based workflows.