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.

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.

Join SELECT by DoiT as a Senior Software Engineer working remotely in the Americas (ideal: Canada, Mexico, Colombia; also US). Responsibilities include architecting and building cost management features, reusable UI components, data visualizations, data pipelines and dbt models, and improving application reliability and performance. Required skills include full‑stack development and strong English communication; tech stack examples: TypeScript, React, Next.js, Tailwind CSS.

DoiT is accepting resumes from technologists who are interested in joining its remote global tech teams. Roles mentioned include Cloud Engineer, Product Specialist, and Software Engineer. The company highlights specializations in Kubernetes, GenAI, CloudOps and multicloud and is an AWS, Google Cloud, and Microsoft Azure partner. Applicants’ information will be kept on file and DoiT may reach out if a match is found.

Lead the design and implementation of Docker Agent and containerized runtimes for AI agents, define evaluation and reliability standards, drive cross-functional architecture decisions, and engage with the open-source community. Requires 10+ years of software engineering experience with experience in technical leadership, strong Go proficiency (preferred), AI/LLM familiarity, and deep knowledge of Docker/container technologies. Role is remote-first with an expectation to be located in the UK (London office visits ~1x/month).

Join Consensys as a Senior Design Engineer supporting MetaMask to translate Figma designs into production-ready, accessible experiences across mobile and browser extension. Work in React and React Native, focus on animations, haptics, micro-interactions, design systems, and cross-platform UI performance. Role is remote for US and EMEA; candidates based in France, Italy, or Germany are not being considered. US salary range listed: $149,000–$210,000 USD per year.

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.

Design, implement, and maintain video signalling protocols and server components (e.g., WebRTC, SIP, RTP/RTCP) in a highly scalable distributed system. Ensure performance, reliability, security (including encryption) and low-latency media experiences; contribute to architecture and code reviews, mentor junior engineers, participate in on-call support, and build tools for call quality and debugging. Requires 5+ years Java experience and cloud experience (AWS/Google/Azure).

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).

Remote role to design and implement greenfield proxy infrastructure: high-performance reverse proxies, IP rotation and session management, IP reputation tracking, geo-targeting and monitoring. Requires deep TCP/UDP and protocol knowledge (HTTP/HTTPS/SOCKS5, HTTP/2/3), Linux networking experience, prior experience building proxy or networking infrastructure, fluent English and a BSc or equivalent technical degree.

SearchApi seeks a remote Anti-Bot Engineer to research and implement anti-bot evasion, reverse engineer detection systems (Cloudflare, Akamai, DataDome, PerimeterX, etc.), optimize Playwright/Puppeteer/CDP configurations, debug TLS/protocol fingerprinting (JA3/JA4, HTTP/2, HTTP/3/QUIC), analyze network traffic, and run headless browsers reliably at scale. Fluent English and deep hands-on experience with browser internals, fingerprinting, network analysis tools, and relevant tooling (Playwright, Puppeteer, Selenium, Wireshark, Burp Suite, mitmproxy) are required.

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.

Role to lead implementation of performance practices for large-scale GPU infrastructure: align AI workloads with datacenter hardware, develop tools and methodologies for performance insight, decompose complex performance/stability issues, and collaborate across hardware, firmware, and software teams. Requires strong programming/scripting (C/C++/Python/Bash), container and Linux experience, and background in HPC or deep learning support.

Join Docker's AI engineering team to develop Docker Agent (cagent) and infrastructure for packaging, deploying, and managing containerized AI agents. The role emphasizes Go backend development, containerization best practices, RAG integration, evaluation frameworks, and collaboration with open-source and cross-functional teams. Candidates must be located in or near London; Docker does not offer visa sponsorship for this role.

CrowdStrike is hiring a Senior Software Development Engineer II for the CTIO Linux sensor team. The role focuses on designing and implementing core sensor features across OS subsystems (file system, memory, process, networking) using C/C++ with strong Linux internals and debugging skills. Hybrid positions are based in Redmond, WA; Sunnyvale, CA; Austin, TX; New York, NY; or Toronto. The posting includes a US base salary range of $160,000–$250,000/year and a Canada range of $175,000–$250,000 CAD/year.

Prominent Edge seeks Lead Full-Stack Software Engineers with an active TS/SCI clearance for remote work in the United States. Candidates should have full-stack experience in Agile environments, experience leading teams through requirements, architecture, design, coding, testing, and delivery, and hands-on skills with front-end frameworks (React/Angular/Vue), back-end frameworks (Node/Flask/Django/Spring), relational and NoSQL databases, cloud (AWS) and containerization (Docker/Kubernetes). Nice-to-have skills include geospatial tools, data visualization, serverless, CI/CD, 3D web, and ML/analytics technologies.

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.