Top Remote Backend Engineer Jobs in Chicago, IL

Design and implement high-performance backend systems in Rust, optimize architectures, participate across the development lifecycle (debugging, testing, optimization), integrate third-party devices and data, incorporate AI tools, mentor senior engineers, and lead architectural and technical strategy across teams.

Design, implement, and optimize high-performance backend systems in Rust for an xOT security platform. Participate across the development lifecycle—debugging, testing, and performance tuning—while integrating relational and NoSQL data stores, microservices, third-party devices, and AI tools. Provide technical leadership, code review feedback, and promote secure, reliable, observable distributed systems.

Build and optimize high-performance backend systems for an xOT security platform using Rust. Participate across development lifecycle, design scalable microservices, integrate third-party devices and data providers, incorporate AI tools, and improve observability and reliability through testing, debugging, and peer review.

Design, build, and maintain backend services powering Clerkie's platform. Improve reliability, performance, scalability, observability, and support feature development. Participate in technical design, cross-functional collaboration, documentation, and own projects end-to-end in a fast-moving startup environment.

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

Lead technical strategy and execution for a backend ledger team building highly available, audit-grade financial systems. Drive architecture, reliability, monitoring, on-call practices, code quality, cross-functional collaboration, and mentoring to ensure accurate, scalable ledger operations.

As a Staff Backend Engineer, you'll design and operate backend services, lead technical initiatives, ensure reliability, and mentor team members in a remote-first setup.

Own and set technical direction for the Everand backend, building scalable, reliable systems for discoverability, personalization, and core consumption journeys. Drive architecture, platform health (CI/CD, staging, DBs, queues, cost, observability), mentor engineers, lead cross-team planning, modernize legacy systems, and partner with product, design, analytics, web/mobile, and ML to support experimentation and telemetry-driven decisions.

The backend developer will build backend software focusing on reliable APIs, ensure high-quality output, and collaborate with teams.

Design, build, and optimize high-throughput, highly available backend services in Golang for 24/7 sports and prediction-market applications. Lead architecture decisions, implement features, diagnose and resolve high-concurrency bottlenecks, and provide high-tier operational support for real-time transactional systems.

Design, build, and optimize scalable backend services, APIs, and data pipelines. Integrate with third-party billing/commerce systems, maintain serverless/event-driven architectures on AWS, ensure security and performance, implement automated tests and CI/CD, mentor engineers, and drive architectural decisions.

Develop, maintain, and optimize mission-critical backend APIs and scalable cloud services for web and mobile clients. Implement secure, high-performance systems, automated tests, observability, and technical documentation. Mentor peers, follow best practices, and support a proof-of-concept launch and fundraising activities as a volunteer contributor.

Own and modernize billing systems: define plans, pricing, entitlements, usage metering, and billing APIs. Decompose monoliths into independently deployable services, ensure end-to-end correctness (reconciliation, idempotency), operate SLOs/alerting, and run on-call. Integrate with billing, CRM, and finance systems.

Lead backend engineer for Identity & Access Management owning SSO (SAML/OIDC/OAuth2), SCIM provisioning, login/session flows, MFA, API key/token auth. Build enterprise identity features, improve operability (SLOs, monitoring, runbooks), partner on security/compliance, and mentor engineers while driving technical direction.

Lead design and implementation of backend services and APIs for payments, billing, settlements, ledgers, and reconciliation. Drive architecture for highly available, auditable financial platforms, integrate with payment processors and banking partners, ensure transactional integrity, observability, and compliance. Deliver end-to-end initiatives, mentor engineers, and operate mission-critical systems with strong emphasis on reliability, security, and scalability.

The Staff+ Software Engineer will shape the technical direction, mentor junior engineers, and lead complex software system development while collaborating effectively with cross-functional teams.

Design and build robust backend services and secure APIs for finance and reader applications. Implement authentication, payments, subscriptions, and finance workflows. Design Postgres/Redis schemas, integrate with financial APIs (BSE Star MF, NSE) and DRM services, and ensure compliance-friendly data handling.

Design, build, and support scalable microservices using Java and Spring Boot on GCP. Implement CI/CD with Jenkins, IaC with Terraform, create efficient SQL and data pipelines, develop JUnit test coverage, perform code reviews, handle production incidents and root-cause analysis, and collaborate across product, architecture, and cloud engineering within an Agile environment.

Lead ONDC integration by designing and implementing backend services and APIs. Ensure compliance with ONDC/Beckn standards, handle data modeling, performance tuning, API security, and transaction flows. Integrate logistics, payments, and catalog systems, write tests, conduct code reviews, and maintain high availability for ONDC services.

Design, build, test, and support EPIC integration solutions across the full interface lifecycle. Gather requirements, resolve integration issues, develop standards and documentation, and provide production support within a remote, volunteer, part-time setup.

Build and maintain high-performance TypeScript backend services and event-driven infrastructure. Design scalable APIs, integrate PostgreSQL/MySQL, AWS SQS, and Centrifugo, ensure reliability, security, and observability, optimize production systems, modernize legacy code, and own end-to-end feature delivery with strong testing, debugging, and performance tuning.

Build and operate distributed backend services and genomic reasoning engines that combine whole genome bioinformatics with AI. Design scalable data models, retrieval and vector search systems, and deterministic guardrails to ensure scientifically accurate, explainable genomic AI for production use.

Senior full‑stack engineer responsible for building backend services (Node.js/TypeScript) and integrating with frontends (React/Vue). Ship production APIs, collaborate cross‑functionally, own delivery, mentor peers, and develop modular, testable, performant systems across diverse greenfield projects.

Founding engineering role to architect and build core backend platform components. Design and implement scalable, distributed Java/JVM systems, apply solid testing and CI/CD practices, collaborate with CEO/CTO, and work in an agile early-stage fintech startup environment.

As a Backend Engineer at Coral AI, you will design and build scalable backend systems, collaborate with teams, enforce best practices, and mentor engineers.