Backend Engineer Jobs in Sunnyvale, CA

Local to CA preferred ! Job Title: Full Stack AI Engineer (Python React & GenAI) Location: Bay Area CA (Hybrid) Please Note: Candidates with primarily Java-focused support/maintenance or internal enterprise application backgrounds are not a fit for this role. Strong Python and AI application devel...

Overview Seeking a Senior Java Backend Engineer to build and maintain scalable secure applications within a Retail Order Management ecosystem. Key Responsibilities Develop scalable backend systems & REST APIs Drive order management solutions and business logic Write JUnit tests and optimize perform...

Calling all innovators - find your future at Fiserv.Were Fiserv a global leader in Fintech and payments and we move money and information in a way that moves the world. We connect financial institutions corporations merchants and consumers to one another millions of times a day - quickly reliably an...

Hi Greetings form the Conch technologies Senior Backend Engineer 12-month contract Location: Bay Area onsite hybrid (must be local) Project: Backend platform engineering on a high-volume transactional system. Correctness- and idempotency-sensitive work. Must-have (4): 7 years Java...

Hi Greetings from the Conch technologies Position: Mid-Level Backend Engineer 12-month contract Location: Fully remote (US) Project: Backend engineering on a high-volume transactional system. Must-have (4): 3 5 years Java backend Python AWS SQL Kafka GraphQL Ni...

AI Engineer (Backend TypeScript or Python)Location: Austin or Sunnyvale CA - Strong backend engineering in TypeScript/ (preferred) or Python with production API design experience - Has built LLM harnesses/scaffolds with agentic loops RAG pipelines and tool-calling architectures - Experience des...

About Us:Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people data and AI agents connect across email cloud and collaboration tools. Over 80 of the Fortunelarge enterprises and millions of smaller organizations trust Proofpoint to stop threats prevent data l...

Job Description: We are seeking a highly skilled Java Backend Engineer with experience in data platforms ETL pipelines and distributed data systems. The role involves building backend services designing scalable data workflows and collaborating with engineering teams to enable high-performance sy...

Calling all innovators - find your future at Fiserv.Were Fiserv a global leader in Fintech and payments and we move money and information in a way that moves the world. We connect financial institutions corporations merchants and consumers to one another millions of times a day - quickly reliably an...

Position Summary...What youll do...Immigration sponsorship is not available for this role. Applicants must be authorized to work for any employer in the United States without current or future visa sponsorship. This is a full-time onsite role based in Sunnyvale CA; remote and hybrid options are not...

As a global leader in cybersecurity CrowdStrike protects the people processes and technologies that drive modern organizations. Since 2011 our mission hasnt changed were here to stop breaches and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale...

As a global leader in cybersecurity CrowdStrike protects the people processes and technologies that drive modern organizations. Since 2011 our mission hasnt changed were here to stop breaches and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale...

About Applied IntuitionApplied Intuition Inc. is powering the future of physical AI. Founded in 2017 and now valued at $15 billion the Silicon Valley company is creating the digital infrastructure needed to bring intelligence to every moving machine on the planet. Applied Intuition services the auto...

Position Summary...What youll do...Immigration sponsorship is not available for this roleThis is a full-time onsite role at our Sunnyvale CA office. This position is not eligible for remote work.Role Summary:We are seeking a talented and passionate Senior Software Engineer (Backend) for our team. Yo...

As a global leader in cybersecurity CrowdStrike protects the people processes and technologies that drive modern organizations. Since 2011 our mission hasnt changed were here to stop breaches and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale...

As a global leader in cybersecurity CrowdStrike protects the people processes and technologies that drive modern organizations. Since 2011 our mission hasnt changed were here to stop breaches and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale...

CoreWeave is The Essential Cloud for AI. Built for pioneers by pioneers CoreWeave delivers a platform of technology tools and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs startups and global enterprises CoreWeave combines superior infrastructure per...

CoreWeave is The Essential Cloud for AI. Built for pioneers by pioneers CoreWeave delivers a platform of technology tools and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs startups and global enterprises CoreWeave combines superior infrastructure per...

At Sequoia Connect we are a Talent-First Technology Ecosystem that redefines how elite professionals interact with the global digital landscape. We move beyond traditional models to act as a catalyst for the top 1% of global talent connecting human potential with complex industrial execution. By joi...

USC/GC - Day one onsite to Bay Area Job Title: GenAI & Backend Engineer Location: Bay Area CA (Hybrid Day 1 Onsite) Job Description: Looking for a strong GenAI & Backend Engineer with deep experience to build and integrate AI-powered applications and support backend systems. Candidate should...