senior backend engineer Jobs

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Senior Backend Engineer

Fiserv

Sunnyvale, California, USA

Full-time

Calling all innovators - find your future at Fiserv. We're 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, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

Sr. Backend Engineer

Fiserv

Sunnyvale, California, USA

Full-time

Calling all innovators - find your future at Fiserv. We're 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, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

Senior Backend Engineer - Dynamic Pricing

Uber Corporate

San Francisco, California, USA

Full-time

About the Role The mission of the Surge team is to maintain overall marketplace reliability by balancing supply/demand in real-time through dynamic pricing. We build scalable real-time systems to understand the state of the market, forecast future demand, make predictions using ML models, solve network optimization programs, and eventually make pricing decisions for each rider session. Surge plays a critical role in service of Uber's mission to make transport accessible. We generate billions o

Senior Backend Engineer (Java)

Jobot

Reno, Nevada, USA

Full-time

100 percent remote - competitive salary and company equity - Backend Java engineer with health tech experience This Jobot Job is hosted by: Tarek Hamzeh Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: DayaMed is a digital health startup focused on transforming how patients manage their medications and chronic conditions. By combining the power of mobile technology, real-time data, and clinical co

Senior Backend Engineer (Scala)

Jobot

Portland, Oregon, USA

Full-time

Fully remote, exciting greenfield AI buildout. Well-funded, room for growth! This Jobot Job is hosted by: Grant Greenhalgh Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $185,000 per year A bit about us: We're an early-stage AI startup on a mission to redefine how users interact with intelligent systems. We're building something brand new - and we're looking for multiple engineers to build out our backend. Why join us? Fully R

Senior Backend Engineer (Scala)

Jobot

Portland, Oregon, USA

Full-time

Fully remote, exciting greenfield AI buildout. Well-funded, room for growth! This Jobot Job is hosted by: Grant Greenhalgh Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $185,000 per year A bit about us: We're an early-stage AI startup on a mission to redefine how users interact with intelligent systems. We're building something brand new - and we're looking for multiple engineers to build out our backend. Why join us? Fully R

Senior Backend Engineer

SUNRAY INFORMATICS

Remote

Contract, Third Party

Role : Senior Backend Engineer Location: Pittsburgh, PA Duration: 12+ Months MOI : Telephonic & Skype Primary Skills: NODE.JS, Google Cloud Platform, TYPESCRIPT, FINANCE Need Candidates with a Minimum of 12 Years of Experience. This is a 100% Remote role. Candidates must have experience with Node.js, OAuth2, Google Cloud Platform, and TypeScript in recent projects. Note: Client Manager is considering a Backend NodeJS Developer with .NET Projects Only. Candidates' roles need to be as a Backend

Senior Backend Engineer

Halo Investing

Chicago, Illinois, USA

Full-time

About Halo: Halo Investing is an award-winning technology platform that disrupts how protective investment solutions are used worldwide. Headquartered in Chicago, with employees worldwide, we re on a mission to change the world by democratizing access to investment solutions that were previously unavailable to most investors. Named by Fast Company among Top 10 Most Innovative FinTech Companies, Halo is the first independent, multi-issuer platform for defined outcome investing. Halo Investing giv

Sr. Backend Engineer Microservices

TeamSuccess LLC DBA HiEd Success

Toronto, Ontario, Canada

Full-time, Third Party

Position: Sr. Backend Engineer - Microservices Location: Toronto, ON Type: Fulltime / Contract We are looking for a Backend Engineer with experience in building highly scalable solutions based on microservice architecture. As a Senior Software Engineer, you will be working with a highly skilled cross functional team to enhance our core banking platform. Mandatory skills Python expertiseSystem design experienceSQL ExperienceAny messagebroker experience Responsibilities and Duties Design and deliv

Senior Back End Engineer

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0220919 Back End Engineer, Senior The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen

Senior Backend Engineer / Node.js / MusicTech / NYC (Onsite)

Motion Recruitment Partners, LLC

New York, New York, USA

Full-time

Backend Engineer - Gamified Consumer App (NYC, In-Person) Join a fast-growing consumer social app that has reached 400k+ daily active users and 4M+ downloads, consistently ranking in the top 10 of the iOS music game charts. We've found product-market fit and are building the go-to destination for music lovers. We're looking for a Backend Engineer who's excited to scale infrastructure that supports millions of users. You'll play a key role in optimizing our backend systems, building new internal

Role: Senior Backend Engineer (Strong Backend client is looking) No h1b, OPT

TechSME Inc

Bellevue, Washington, USA

Contract

Need W2 profiles for 1099 Required Qualifications: 8 to 12 years of experience in backend software development.Strong expertise in Java.Extensive experience with cloud platforms (Azure, AWS, or open-source cloud services) and cloud-native development.Hands-on experience with Cloud SDKs, serverless architectures, and containerization.Deep understanding of RESTful API development, microservices architecture, and distributed systems.Experience with IaC tools (Terraform, CloudFormation, Azure ARM Te

Senior Backend Engineer - (AI/Data Platform)

ConsultNet, LLC

Brooklyn, New York, USA

Full-time

We're looking for a Senior Backend Engineer (AI/LLM Platform) to join our core engineering team and help build the backbone of our AI-powered platform. In this role, you'll lead initiatives across API design, data ingestion, infrastructure, and LLM-driven workflows that power intelligent sourcing decisions for enterprises. You'll work closely with the founding team to design systems that are resilient, scalable, and AI-native. This is a high-impact opportunity to shape architecture, mentor team

Senior Backend engineer

PTR Global

Almont, Colorado, USA

Full-time

Responsibilities: Collaborate closely with peers, Architects, Product Managers, Business Analysts, Quality Engineers, and Operations teams to develop innovative solutions that meet functional and nonfunctional standards and expectations. Be involved in development, testing, release, triage, bug fix, documentation and work in an Agile environment. Use of tools like JIRA, Git, CI/CD and other internal client tools on a regular basis to organize work and deliver features. Evaluate and define st

Senior Backend Engineer Java, Cloud (W2 Only | No C2C)

Cohesive Technologies LLC

Bellevue, Washington, USA

Contract

Cohesive Technologies is a global IT Services & Solutions company providing IT Staffing Services and Application Development Services necessary for technology leaders to deliver business value. We help our people and clients succeed by leveraging our expertise, deep industry and market knowledge, proprietary assessment tools and techniques, and project delivery methodologies. Through relationships with thousands of specialized professionals, we bring an unparalleled ability to match talent with

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

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

Senior Backend Engineer C# .NET Core | Full-Time | Onsite Seattle, WA

Bramkas Inc.

Seattle, Washington, USA

Full-time

Senior Backend Engineer C# .NET Core Role Type: | Full-Time Location : Onsite Seattle, WA Experience : 3+ yrs exp Overview: We are seeking a highly skilled and motivated Senior Backend Engineer with strong expertise in C# and .NET Core to join our engineering team in Seattle, WA (onsite). In this role, you will be responsible for designing, building, and maintaining scalable and high-performance backend systems that power our next-generation applications. As a core member of the team, you wil

Senior Backend Engineer AWS Serverless

Accylerate

Remote

Contract

Client: College Board Title: Senior Backend Engineer AWS Serverless Location: 100% Remote Duration: Long Term Profile: They seek a senior to lead-level candidate with SOLID AWS solutions experience and JavaScript coding.This team is the interface with the vendors for scoring feeds and then connects to the program applications.This role is nearly solely focused on back-end microservices coding in all the AWS tech stack, building applications to run here.Job Description: As a Senior Software Engin

Senior Backend Engineer Node.js

Avila IT

Remote

Full-time

Job Description:We are seeking a Senior Backend Engineer with deep expertise in Node.js to architect, develop, and optimize high-performance backend systems. The ideal candidate has strong experience in building scalable microservices, integrating APIs, and working with modern cloud-based infrastructure. Key Responsibilities: Design, develop, and maintain backend services and RESTful APIs using Node.js and associated frameworks (e.g., Express.js, NestJS). Build scalable microservices for high-th

Sr Python Backend Engineer

Ledgent Technology

Remote

Full-time

No C2C / No Third-Party Agencies Senior Python Backend Engineer Remote - Must be U.S. based $150,000 -$190,000 (DOE) : Full-Time, Direct Hire . We're hiring on behalf of a fast-growing AI/ML company revolutionizing healthcare staffing and operations. Their cutting-edge platform leverages Generative AI and voice biomarker technology to reduce administrative burdens and improve patient care. What You'll Do: As a Senior Backend Engineer, you'll play a key role in building and scaling Python mi