Senior Backend Developer Jobs in Farmingdale, NY

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Sr Backend Developer - Golang, Python, Blockchain

SES

•

Remote

Full-time

Sr Backend Developer - Golang, Python, Blockchain Top 4 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Familiarity with backend databases: SQL, PostgreSQL, or MongoDB 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
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Posted 1 day ago | Updated 20 hours ago

Sr 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 doing general app/web dev 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 18 days ago

Sr Java Backend Developer

Virtual Networx

•

New York, New York, USA

Contract, Third Party

Senior Java Developer Location: New York City, NY 10+ years of experience Strong experience in Java backend development Hands-on experience with Spring Boot, REST APIs, JPA/Hibernate Work with various programming languages and technologies, including Java, Python, Angular, Linux, and SQL. Proficient in HTML5, CSS3, JavaScript Familiarity with version control tools (Git), build tools (Maven/Gradle), and CI/CD pipelines Experience with Docker, Kubernetes (optional but preferred) Strong problem-s
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Posted 3 days ago | Updated 20 hours ago

Senior Backend Engineer - Developer Experience

Bloomberg L.P.

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New York, New York, USA

Full-time

Description & Requirements At Bloomberg, we design systems that power the world's financial markets. We are looking for a senior engineer to help enable the engineers who build those systems. On the Developer Experience team, the focus is not the financial domain but the core developers, with an emphasis on their productivity, impact, and satisfaction. The role is ideal for someone who thrives in complex environments, enjoys deep technical challenges, and delivers resilient systems. Where possi
Posted 48 days ago | Updated 8 hours ago

Senior Backend Cloud Developer (.NET/Azure)

Main Sail, LLC

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Remote

Contract

Position Description: Team Composition and Methodology The client s team operates in an agile environment, utilizing a modified scrum methodology. The larger team includes approximately 30 professionals, split into smaller, focused groups of 5 7 members each, led by Team Leads. Each team has distinct roadmaps and features to deliver. The structure is cross-functional, including developers, testers, and DevOps engineers, with access to dedicated environments. Client Overview Our client's customer
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Posted 51 days ago | Updated 1 day ago

Senior Back End Java Developer - C12 - IRVING

Citi

•

Remote or Irving, Texas, USA

Full-time

The Senior Java Back End Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Use Core Java, Python, JavaScript, Multi-Threading, Exception Handling, and GoF Pattern to perform applications systems analysis and dev
Posted 8 days ago | Updated 8 hours ago

Lead/Senior Java Backend Developer (Java, Backend, Kafka, Spring Boot, Microservices)

Brillio, LLC

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Remote

Full-time, Third Party

Role: Lead/Senior Java Backend Developer (Java, Backend, Kafka, Spring Boot, Microservices) Years of Experience: 10+ years Location: Remote Looking for W2 or Full Time for this remote position. Job Description: Skills: Java, Spring boot, REST API, Kafka, Microservices Contributing to all stages of software development lifecycle Coding, unit testing, implementation, deploying builds, troubleshooting Production and environmental issues, coordination with QA, App Support & Business Design, impleme
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Posted 60+ days ago | Updated 18 days ago

Senior Software Engineer, Backend Platform

mongoDB, inc

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New York, New York, USA

Full-time

MongoDB's mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more than 115 regions across AWS, Google Cloud, and Microsoft
Posted 20 days ago | Updated 8 hours ago

Senior Lead Java Backend Developer - New York, NY Only Local Hybrid- F2F Interview - Long Term Contract

Khayainfotech

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New York, New York, USA

Contract, Third Party

Job Title: Senior Lead Java Backend Developer Duration: Long Term Contract. Location: New York, NY (Hybrid Weekly 2Days To office ) No Relocation - Need Only local to NY OR NJ with Local DL F2F Interview Note : Please share resume with consultant location , Visa Details Reach me at Must Have : 10+ Yrs - 13+ Yrs Java DevelopmentAWS cloud experienceStrong in Spring bootStrong in MicroservicesDegree in Computer Science or equivalent experienceAdvanced experience with Java/J2EE technologies like Sp
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Posted 60+ days ago | Updated 1 day ago

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

•

Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p
Posted 60+ days ago | Updated 8 hours ago

Senior Backend Engineer - Distributed Systems

Bloomberg L.P.

•

New York, New York, USA

Full-time

Description & Requirements At Bloomberg, we design systems that power the world's financial markets. We are looking for a senior engineer who is passionate about distributed systems, backend infrastructure, and building reliable, high-performance software at scale. This role is ideal for someone who thrives in complex environments, enjoys deep technical challenges, and is committed to delivering resilient systems that operate seamlessly in production. As a member of our distributed systems team
Posted 50 days ago | Updated 8 hours ago

Sr. Machine Learning Infrastructure Engineer, Backend, Personalization

Peloton

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New York, New York, USA

Full-time

The Role The Personalization team at Peloton is looking for a senior machine learning infrastructure engineer to design, build and maintain low latency and highly scalable content recommendations services for our super engaged members across multiple platforms. You will have a unique opportunity to build systems and services to provide real time recommendations and best in-class experience for the world's leading at home fitness platform. You will work closely with other ML Engineers, API Engin
Posted 60+ days ago | Updated 8 hours ago

Senior Backend Software Engineer

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 60+ days ago | Updated 8 hours ago

Lead Java Back End and Angular Developer - C13 - IRVING

Citi

•

Remote or Irving, Texas, USA

Full-time

The Back End Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and pro
Posted 26 days ago | Updated 8 hours ago

Remote Senior / Principal Software Developer (Back End)- Healthcare AI

Oracle Corporation

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Remote

Full-time

Job Description Job Description: Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to th
Posted 20 days ago | Updated 8 hours ago

Sr Backend Engineer

Robert Half

•

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 3 days ago | Updated 5 hours ago

Sr Software Engineer - Backend

McGraw Hill

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Remote

Full-time

Overview Build the Future At McGraw Hill, we are dedicated to delivering digital learning experiences that transform education for learners and educators. Our focus is on creating seamless, impactful products that truly benefit our users while supporting growth and collaboration across teams. We foster a culture that values innovation, teamwork, and a balance between career growth and personal well-being. How can you make an impact? We are a passionate, fast-growing team within McGraw Hill, a
Posted 36 days ago | Updated 8 hours ago

Java Developer Lead (Front End and Back End) - 5699075

Accenture LLP

•

Charlotte, North Carolina, USA

Full-time

Accenture Flex offers you the flexibility of local fixed-duration project-based work powered by Accenture, a leading global professional services company. Accenture is consistently recognized on FORTUNE's 100 Best Companies to Work For and Diversity Inc's Top 50 Companies For Diversity lists. As an Accenture Flex employee, you will apply your skills and experience to help drive business transformation for leading organizations and communities. In addition to delivering innovative solutions for
Posted 14 days ago | Updated 8 hours 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 24 days ago | Updated 2 days ago

Java Backend Developer

SAR TECH LLC

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Remote or Sunnyvale, California, USA

Third Party, Contract

Job Title: Java Backend Developer Location: Sunnyvale, CA (Hybrid 2-3 days onsite) Duration: Long-term Contract Rate: $65/hr on C2C Visa: Open to All Visa Types Client: TBD Job Description: We are seeking a talented and experienced Java Backend Developer with strong expertise in building scalable and maintainable microservices using Java and Spring Boot. The ideal candidate should have 7+ years of backend development experience, including designing REST APIs, working with relational and NoSQL d
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Posted 21 days ago