Tech jobs
Job listings
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 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.
Senior Backend Developer
Senior backend developer role building Java/Spring Boot APIs, deployed on AWS ECS, with database work and some Python. On-site position located in Malvern, PA, hired through a recruitment/staffing firm, and an assessment is required during the hiring process.
Senior Backend Developer
Senior Backend Developer in Malvern, PA building Java/Spring Boot APIs deployed on AWS ECS, working with databases and Python.
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.
Senior Backend Developer
Senior Backend Developer working hybrid from Malvern, PA, building APIs with Java and Spring Boot deployed on AWS ECS. Requires experience with Java, Spring Boot, databases, and Python, and candidates must pass an assessment.
.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.