Top Backend Developer Jobs

Develop, build, and sustain backend services using modern development, containerization, and systems integration. Implement scalable, dependable services with Python and Rust, manage containers and orchestration (Docker, containerd, Kubernetes, Helm), integrate NoSQL/datastore and messaging, and support CI/CD and IaC pipelines.

Back-end developer focused on building marketing tools and improving internal processes. Analyze and enhance code, collaborate with front-end and cross-functional teams, integrate APIs (Google Analytics/Ads), support e-commerce platforms, report data to clients and leadership, and lead projects while staying current with development best practices.

Own and build core backend and infrastructure for document intelligence and VLM workflows. Architect, deploy, and scale high-throughput, low-latency production systems; manage deployments, monitoring, reliability, CI/CD, and enterprise cloud/on-prem environments. Turn research prototypes into production and support enterprise deployments.

Senior back-end engineers will build products and lead projects end-to-end, taking ownership from concept through launch. Candidates should drive technical direction, deliver impactful solutions, and help shape early-stage companies within the firm's portfolio.

Build and maintain backend API infrastructure connecting private markets to partner platforms. Collaborate with the founding team to translate business requirements into production systems, work directly with partners to integrate alternatives, gather feedback, and iterate quickly while shipping high-quality solutions.

Modernize legacy .NET systems and build scalable backend services using Java Spring Boot and .NET Core. Design APIs and microservices, implement containerized deployments, CI/CD, automated testing, collaborate in Agile ceremonies, and ensure performance, security, and operational excellence.

Build scalable backend systems for policy management, real-time decision workflows, agent orchestration, integrations, and observability. Design APIs and data models across relational, NoSQL, and graph stores, implement telemetry/auditability, and operate services in production while collaborating with product and engineering to shape requirements and rollouts.

Lead technical direction and architecture for the Fable backend, own platform reliability (databases, CI/CD, queues, observability), run incident response and postmortems, mentor engineers, collaborate cross-functionally with product/design/ML, and build platform capabilities enabling faster, safer delivery.

The Senior Backend Engineer will build and operate backend systems for AI agents, focusing on reliability, API design, and data modeling, while enhancing code quality and performance in a fast-paced environment.

As a Staff Engineer, you will architect autonomous systems for AI-driven software generation, focusing on reliability, correctness, and scalability while mentoring engineers and influencing technical direction across teams.

Looking for a freelance Back-end Drupal Engineer with 3-5 years of experience in large-scale Drupal solutions and related technologies.

Design and develop scalable infrastructure and services for data pipelines and distributed systems, working on an AI/ML platform for enterprise applications.

The Senior Backend Engineer will build and maintain backend services for an observability platform, ensuring high performance and reliability. Responsibilities include managing APIs, engaging with the community, and tackling technical challenges related to data processing.

Lead the unification of large heterogeneous datasets for generative audio models by creating robust systems for data ingestion, deduplication, and reconciliation. Collaborate with ML researchers and develop scalable entity-resolution solutions while tracking data quality metrics.

The Senior Backend Engineer will build and maintain data pipelines, ETLs, and services for robust analytics and application-ready content, ensuring data consistency and collaborating with various teams.

Build and operate backend systems that automate market creation, lifecycle management, and resolution at scale. Implement event-driven pipelines, integrate external data sources and oracles, ensure reliability and scalability, debug production systems, and collaborate cross-functionally to maintain high engineering standards.

The Senior Principal Energy Storage DevSecOps Solutions Engineer will design and operate backend services, write production code in Python, and manage cloud infrastructure in AWS, emphasizing automated workflows and CI/CD pipelines.

As a Backend Engineer, you'll build and maintain integrations with financial systems, solve data synchronization challenges, and contribute to backend features' delivery.

As a Back-End Developer, you will design and implement new features for a messaging framework, requiring skills in various programming languages and data handling.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

Seeking a Senior Backend Engineer for a payment modernization project, focusing on API integrations, payment routing logic, and payment orchestration systems under the CTO's guidance.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

The Backend Engineer will develop features across APIs, CLI tools, and billing systems, mentor team members, and set technical direction.

Design, build, deploy, and maintain large-scale workflow platform infrastructure (e.g., Temporal, Netflix Conductor). Ensure 99.995% reliability, capacity planning, benchmarking, monitoring/alerting, production incident response, and collaborate to make the platform extensible for high-throughput, low-latency backend services.

As a Backend Engineer at Ava, you'll design and build infrastructure to enhance communication for deaf/hard-of-hearing users, improve services, and ensure security.