backend developer Jobs in lindenhurst, ny

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Backend Engineer

Accroid Inc

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Remote or Dallas, Texas, USA

Contract, Third Party

Remote Backend Engineer Texas In-person Interview required AI/ML Experience a big plus especially LLaMA, Vertex AI, SageMaker, AzureML, etc. VERY proficient in SQL - able to write debug and optimize queries and like working in it. Node.js : React and Next.js PostgreSQL DevOps / IaaC/ cloud Infrastructure Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datase
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Posted 24 days ago | Updated 24 days ago

Senior, Software Engineer | Backend | Personalization | Sunnyvale

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do **Immigration sponsorship is not available in this role.** Walmart Global Tech is looking to hire a seasoned Backend Senior Software Engineerfor Personalization team. If you are an engineer who comes with both strong back-end & front-end devlopment background & are passionate about solving problems at scale, feel free to apply! About Team: Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, st
Posted 35 days ago | Updated 8 hours ago

Senior Back End Developer

Confidential Company

•

Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!
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Posted 60+ days ago | Updated 21 days ago

React Developer

Stellar IT Solutions

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Remote or Ann Arbor, Michigan, USA

Full-time, Part-time, Third Party, Contract

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro
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Posted 13 days ago | Updated 1 hour ago

Golang -Backend Engineer

SES

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Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to work with Vendors and External Partners Job Description: The Backend Engineer is responsible for the development and
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Posted 22 hours ago

AWS Backend Engineer

Atika Tech

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Remote

Full-time, Contract

Position: AWS Backend Engineer Location: Remote Experience: 8+ Years Design, develop, and maintain scalable backend services, APIs, and data pipelines using AWS, Python, PySpark, and OpenSearch, ensuring high performance, quality, and collaboration across teams. Responsibilities: Design, develop, and maintain backend services and APIs using AWS technologies. Implement and manage search and analytics solutions using Elastic Search (OpenSearch). Develop data processing pipelines using Python a
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Posted 3 days ago | Updated moments ago

AWS Backend Engineer

Keypixel Software Solutions

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Remote

Contract, Third Party

AWS Backend EngineerREMOTECONTRACT Skills: - Mandatory skills AWS, OpenSearch, Glue, Lambda, OpenTelemetry, Rhubarb Good to have skills: - S3 (datasource), Postgres (datasource), Grafana (load testing)
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Posted 4 days ago

Sr Backend Engineer

Robert Half

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Remote or Bellevue, Washington, USA

Contract

Description Robert Half is seeking a Senior Backend Engineer to support a Financial Services organization based in Seattle, WA. This role involves building out a new cloud-native integration platform as part of a larger greenfield development effort supporting vendor, policy, and claim systems. The position is Remote, in a 6-month contract (with potential to convert to full-time). Apply today! Job Details: Schedule: Flexible - candidates can work PST or EST; asynchronous communication is comfor
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Posted 6 days ago | Updated 5 hours ago

ADA Accessibility Developer---Front End

Allwyn Corporation

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Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic
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Posted 15 days ago

Senior Backend Engineer

Kforce Technology Staffing

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Remote or Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is full-time, direct hire and remote with the ability to work PST hours. Summary: As a Senior Backend Engineer, you will design, build, and maintain the core services, APIs, and integrations that power our platform. You'll collaborate with world-class engineers to deliver resilient, high-performance systems. Responsibilities: * Senior Backend Engineer will design, build, a
Posted 60+ days ago | Updated 1 hour ago

Python Backend Engineer

ACL Digital

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Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv
Posted 48 days ago | Updated 8 hours ago

Senior Full Stack Engineer

ConsultNet, LLC

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Brooklyn, New York, USA

Full-time

My client is looking for a Senior Full Stack Software Engineer to join their engineering team and help architect, build, and scale their AI procurement platform. You'll work directly with the founding team to lead critical technical initiatives and drive architectural decisions that shape the product. You will contribute across the entire stack while providing technical leadership, mentoring junior engineers, and establishing engineering best practices. Your expertise will be crucial in building
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Posted 26 days ago | Updated 8 hours ago

Back-End Software Engineer (Contractor)

Dimensional Fund Advisors LP

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Texas, USA

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 44 days ago | Updated 8 hours ago

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

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Remote or Bellevue, Washington, USA

Contract

Title: Adobe Experience Manager (AEM) Developer / Architect Location: Bellevue-WA-Onsite role Contract role About the Role We are looking for a results-driven AEM Architect with deep expertise in building and architecting scalable, enterprise-grade digital solutions using Adobe Experience Manager (AEM), NET, AI-powered technologies, and modern front-end frameworks. This role is a hybrid of hands-on development and architectural ownership, including technical design, performance optimization, and
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Posted 6 days ago

React Native Mobile Architect

Aptino

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Remote

Third Party, Contract

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a
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Posted 26 days ago | Updated 3 days ago

P25-231186 - Software Engineer III

FedEx Office

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Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 12 days ago | Updated 8 hours ago

Hands-on Technical Manager, Java Developer

Govincorp

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Remote

Full-time

Seeking a highly skilled Hands-on Technical Manager, Java Developer to guide and mentor a team of developers in delivering high-quality backend servicesHands-on Technical Managerand APIs. The ideal candidate will possess strong technical expertise in Java, Go, PHP, Node.js, and MySQL, along with solid experience managing development teams and collaborating across functions to deliver scalable solutions. This position is 100% remote Responsibilities: Lead and manage a team of backend developers,
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Posted 7 days ago

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

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Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with
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Posted 27 days ago | Updated 5 days ago

Sr. Java Backend Engineer Java / Spring / Spring Boot / Azure / Kafka

Empower Professionals

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Remote

Contract, Third Party

Role: Sr. Backend Engineer Java / Spring / Spring Boot / Azure / Kafka Location: Remote Duration: 12+ Months Must have: Java / Spring / Spring Boot / Azure / KafkaNoSQL databases (like MongoDB)Relational databases (DB2, SQL Server, PostgreSQL) Requirements: 10+ years of backend development experience with Java and Spring Boot.Extensive hands-on experience with the Spring Framework, including Spring Boot, Spring Core, and Spring Batch etc.Strong hands-on experience with Apache Kafka for strea
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Posted 56 days ago | Updated moments ago

Senior iOS Engineer, Families - Cash App

Block Inc

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Remote or New York, New York, USA

Full-time

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. We want to redefine the world's relationship with money to make it more relatable, instantly available, and universally accessibl
Posted 18 days ago | Updated 8 hours ago