Mid-level backend engineer role on Reddit Ads teams (e.g., Ads ML Serving, Attribution & Identity, Ads Growth, Business Manager). Work includes building microservices/APIs, distributed and real-time data systems, and infrastructure for ad products using technologies such as Go, Python, Scala, Spark, Kafka, Postgres, BigQuery, Redis, Druid, Kubernetes, Argo, and Docker. Requires 3+ years of software development experience.

Generalist mid-level backend engineer position within Reddit Ads. Work includes building microservices and APIs, distributed and real-time data-intensive backends, and infrastructure; tech stack examples: Go, Python, Scala, Spark, Kafka, Postgres, BigQuery, Kubernetes. Requires 3+ years software development experience.

Generalist senior backend engineer role on Reddit's Ads organization responsible for building microservices and APIs, distributed and real-time data systems, ad backends and interactive ad experiences. Technologies listed include Go, Python, Scala, Spark, Kafka, Postgres, BigQuery, Redis, Druid, Kubernetes, Argo and Docker. Requires 5+ years of software development experience. US-based remote; base salary range $190,800–$267,100 USD per year.

Work on core P2P systems including invoice ingestion, approval workflows, payment orchestration, reconciliation, and extending the financial ledger for new transaction types and international payments. Role requires 3+ years backend engineering experience (ideally in fintech/payments), strong Python and SQL skills, experience with data-intensive distributed and event-driven systems, and a focus on correctness, observability, and auditability. Collaboration with Product, Finance, Risk, and Data teams is required.

Responsible for architecting and owning systems for underwriting, automated limit management, portfolio optimization, and real-time risk controls. Requires backend experience (2+ years), proficiency in Python or a comparable backend language, experience with distributed systems and async frameworks, and building systems with strong auditability and observability. Relocation expense coverage to NYC or SF is mentioned; role is based in New York, NY (HQ).

Join the Core Product team to design, build, and scale backend systems powering Ramp’s card and expense workflows (card issuance, spend limits, approvals, policy enforcement) and integrate with Ramp’s AI platform and external financial/ERP partners. Role requires owning projects end-to-end, strong backend fundamentals, and 2+ years of engineering experience; common tech includes Python, Go, TypeScript, PostgreSQL, AWS, and modern observability tooling. Relocation expense coverage to NYC or SF is offered if needed.

Equal Experts seeks senior backend engineers to design, deliver and operate enterprise-scale distributed systems for clients. Responsibilities include requirements definition, software delivery using agile practices (pair programming, TDD, CI/CD), automation of infrastructure and deployments, production support, mentoring client teams and advocating agile approaches. Desired experience includes expert-level programming, automated testing, microservices/RESTful services, containerised/cloud environments (AWS/GCP/Azure) and strong remote communication skills.

Join Equal Experts as a Senior Backend Engineer working with clients to determine requirements, deliver software using agile practices (pair programming, TDD, CI/CD), automate infrastructure and deployments, provide production support, mentor client teams, and help improve delivery capabilities. Experience with distributed systems, microservices, RESTful services and cloud/containerised environments (AWS, GCP, Azure) is highlighted as desirable.

Equal Experts is seeking a senior backend engineer to work with clients to design, deliver and run enterprise-scale distributed systems. Responsibilities include developing software using agile practices (TDD, pair programming, CI/CD), automating infrastructure and deployments, providing production support, and mentoring client teams. Experience with microservices, RESTful services, containerised/cloud environments (AWS, GCP or Azure) and strong communication skills for distributed teams is required.

Encora seeks a Python Developer (work from home, Brazil) to design and implement scalable cloud systems. Responsibilities include translating product requirements into performant solutions, coding, testing, and supporting production deployments while following agile processes. Required skills include Python, Django, RESTful APIs, SQL and NoSQL databases; AWS and distributed-systems knowledge are highly desirable.

Encora is seeking a Magento Developer to work hands-on with Magento 2 (and Magento 1) on custom module development, automated product import/export, payment gateway integration, performance optimization, and related e-commerce system architecture. Requires 5+ years IT experience and 2+ years Magento 2 development experience.

Full-time remote Java Backend Developer role in Brazil. Responsibilities include developing new features, maintaining existing applications, producing design documents, implementing solutions from coding to testing and production deployment support, participating in the full development lifecycle (requirements, development, testing), and performing code reviews. Essential skills: Java, OOP, design patterns, Spring Boot, microservices, REST/SOAP APIs, SQL and NoSQL databases, Hibernate/JPA. Role mentions experience with agile methods, automated testing and software profiling as desirable. The vacancy title indicates the position is exclusive for persons with disabilities.

Work on the Enterprise Applications and Architecture Compliance CXAE team to build end-to-end AI-first compliance tools using Golang, React, and cloud technologies. Responsibilities include implementing third-party vendor integrations, architecting platform improvements, ensuring reliability for Tier-1 systems, and mentoring engineers. Position is remote-first for USA-based candidates; annual base salary range $186,065–$218,900 USD.

Procurify seeks a Staff Backend Engineer (remote within Canada) with 10+ years' experience to drive technical strategy and architecture, design and implement scalable RESTful APIs and backend services using Python/Django, work with MySQL and cloud infrastructure (AWS, Kubernetes, Terraform), participate in CI/CD (CircleCI), mentor engineers, and resolve performance and reliability issues. Listed base salary range: 160,000–200,000 CAD per year.

Procurify seeks a Senior Full Stack Engineer with 5+ years' experience to design, develop, and ship end-to-end features using Python/Django and TypeScript/React. Responsibilities include scalable backend services, reusable accessible UI components, database schema design, code quality, system architecture, and observability. The role expects experience with AWS, Kubernetes, Terraform, MySQL, CI/CD (CircleCI), and knowledge of LLMs, prompt engineering, RAG, and vector DBs.

Senior, hands-on Staff Product Engineer (Ruby on Rails). Remote role owning hard PRs and end-to-end product areas (billing, enterprise auth, API, dashboard, infra), responsible for performance, security, mentoring via code review, and shipping production Rails code. Fluent English and prior Stripe/billing experience required.

SearchApi seeks a remote Ruby Engineer to build and maintain web-scraping integrations and browser automation (CDP), tackle anti-bot evasion, optimize concurrency, and support production systems at scale. The role involves debugging production issues, reverse engineering protections, contributing across the stack (Ruby on Rails, PostgreSQL, Redis, Sidekiq), customer-facing support, and improving monitoring and infrastructure (Terraform, AWS, Prometheus, Grafana).

Sardine is hiring a Senior Backend Engineer (remote, must reside in specified Brazilian cities) to design, build, and maintain backend services and APIs, contribute to data pipelines and internal tooling, and work closely with product and engineering teams. Requires 7+ years of web backend experience, proficiency in English, strong backend/API delivery track record, and experience with Golang and data engineering preferred. Relevant domain experience in banking/fintech and fraud/AML is desirable.

Netguru seeks a Senior Python Developer for a long-term freelance engagement (remote — must be based in Poland). The role focuses on building Vision-Language multimodal AI features, prompt engineering, prototyping AI agents, redesigning and scaling Apache Airflow (custom operators, executors), and deploying production services with a DevOps team (Azure experience desirable). Polish language is required; good spoken/written English is expected. Rate listed up to 250 PLN/hour.

Netguru seeks a Senior Golang Developer (freelance, fully remote) to develop and maintain backend services in Go. Role may be full-stack if candidate has React/frontend experience. Requires production experience building backend systems and APIs, automated testing, CI/CD, familiarity with cloud environments (preferably AWS), use of AI-assisted development tools, and strong English communication.