Senior Backend Engineer
hace 1 semana
Base pay range $50.00/hr - $75.00/hr About the Job Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. We work on real production systems and high-impact research workflows across data, tooling, and infrastructure. Senior C# Full-Stack Engineer — AI Data & Infrastructure Type: Contract, RemoteCommitment: 20–40 hours/weekCompensation: Competitive, hourly (based on experience) Role Responsibilities Design, build, and optimize high-performance systems in C# supporting AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control Improve reliability, performance, and safety across existing C# codebases Collaborate with data, research, and engineering teams to support model training and evaluation workflows Identify bottlenecks and edge cases in data and system behavior, and implement scalable fixes Participate in synchronous reviews to iterate on system design and implementation decisions Must-Have Native or fluent English speaker Full-stack developer experience with a strong systems programming background 5+ years of professional experience building scalable backend services in C#. Mastery of modern frameworks for building RESTful APIs and RPC services for inter-service communication. Experience integrating with cloud-native data services and orchestrating workflows via message bus architectures. Clear written and verbal communication skills Ability to commit 20–40 hours per week Preferred Prior experience with data annotation, data quality, or evaluation systems Familiarity with AI/ML workflows, model training, or benchmarking pipelines Experience with distributed systems or developer tooling Application Process Submit your resume Complete a short technical screening Project matching and onboarding #J-18808-Ljbffr
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Senior Backend Engineer
hace 2 semanas
Estado de México Meltwater A tiempo completoA global information services provider is seeking a Mid-Senior level Senior Software Engineer - Backend in Mexico, Estado de México. The ideal candidate will have over 5 years of experience in backend software engineering with expertise in Python and Node.js. Responsibilities include designing and implementing backend systems, developing high-quality code,...
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Senior Backend Engineer
hace 7 días
Ciudad de México, Ciudad de México Alvos A tiempo completoSenior Backend Engineer (Fintech / Lending Platform)We're looking for a Senior Backend Engineer who will help design and build a new platform from scratch.What you'll doDesign and implement backend services for loan origination, core loans, payments, risk and internal backoffice tools.Own end-to-end features: from architecture and data model to APIs, tests...
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Senior Software Engineer
hace 2 semanas
estado de méxico Meltwater A tiempo completoSenior Software Engineer - Backend Join to apply for the Senior Software Engineer - Backend role at Meltwater . Description We’re looking for a Senior Software Engineer with 5+ years of experience who thrives in multi-technology environments. You should be a versatile engineer with proven expertise across multiple tech stacks, particularly Python and...
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Senior Backend Engineer
hace 3 semanas
Ciudad de México Software Mind Americas A tiempo completoA technology consulting company is seeking a skilled Senior Backend Engineer to join their team in Mexico City. This role focuses on developing Python-based backend services and APIs for data-driven applications, and involves close collaboration with cross-functional teams. Candidates should have extensive experience in Python, SQL, and backend service...
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Senior Backend Engineer
hace 4 semanas
Ciudad de México Software Mind Americas A tiempo completoA dynamic IT consulting firm is looking for a Senior Backend Engineer (C#) to join their team in Mexico City. This role involves designing and maintaining backend services and APIs, focusing on performance and reliability while integrating with cloud platforms. Ideal candidates have over 8 years of experience, solid knowledge of C#, and a strong command of...
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Sr. Software Engineer, Backend
hace 9 horas
Ciudad de México Pinterest A tiempo completoJoin to apply for the Sr. Software Engineer, Backend role at Pinterest Join to apply for the Sr. Software Engineer, Backend role at Pinterest About PinterestMillions 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...
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Sr. Software Engineer, Backend
hace 3 semanas
méxico Pinterest A tiempo completoJoin to apply for the Sr. Software Engineer, Backend role at Pinterest Join to apply for the Sr. Software Engineer, Backend role at Pinterest About PinterestMillions 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...
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Senior Backend Engineer
hace 1 semana
estado de méxico Lumenalta A tiempo completo3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. At Lumenalta, we partner with global enterprises to build and scale high-impact digital products. Our engineering teams work on complex, production-grade systems that power real-world experiences for millions of users. What You’ll Do Design, build,...
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Ciudad de México Uber Freight A tiempo completoA leading logistics technology firm in Mexico City is seeking a Senior Backend Engineer to architect and build scalable systems for an innovative logistics network. The role involves collaborating with cross-functional teams, mentoring engineers, and driving best practices. Ideal candidates have 5+ years of software engineering experience and a strong...
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Senior Backend Engineer- E
hace 2 semanas
Ciudad de México Praxis A tiempo completo**We're Hiring: Senior Backend Engineer!****Location**: Remote (LATAM)**Engagement Length**: 6-12 months (possibility of extension).**Hours**: Full-time (40 hours/week) with 2+ hours overlap in PST.**Notice Period**: 2 weeks only.**Key Skills Required**:7+ years of experience in **AWS**, **Python**, and **Golang**.Strong expertise in **system design**,...
