Build and modernize business-critical applications using PHP, Laravel, Filament, and PostgreSQL.
Manage high-availability infrastructure, including Proxmox, Ceph, ZFS, Linux, and containers.
Improve CI/CD pipelines, automated testing, security, and production reliability.
We build and maintain business-critical, data-driven applications with a strong focus on PHP/Laravel and robust infrastructure operations. Our remote-first team is distributed and collaborative, emphasizing technical ownership, quality, and continuous improvement.
Own backend delivery in a Symfony 6.1 platform, driving the upgrade to Symfony 7.
Critically assess team and AI-generated code, challenge solutions, and improve scalability and maintainability.
Collaborate with a remote cross-functional squad and respect SOC 2, PII, and security controls.
Smart Working connects skilled professionals with global teams for full-time, long-term remote roles. It is a remote-first workplace that values employee growth and well-being and is highly rated on Glassdoor.
Own and shape our public API and integration surfaces end-to-end, partnering with engineering, product, and external engineers to turn ambiguity into clear, buildable contracts.
Design and defend API contracts, webhook shapes, and async workflows, and contribute to on-call rotation for production services.
Use AI-native workflows (Claude Code, Cursor) daily, review agent output, and bring opinions on developer setup and API design for both human and agent consumers.
Givebutter is the most-loved nonprofit fundraising and CRM platform, empowering millions of changemakers to raise more, pay less, and give better. Certified as a Great Place to Work® since 2021, we are a mission-driven team of talented people who believe work should be fun and impactful.
Design, develop, and maintain scalable backend services and RESTful APIs using Laravel within a modular monolith architecture.
Build and enhance multi-tenant SaaS features with data isolation, following Domain-Driven Design principles.
Collaborate with cross-functional teams, participate in code reviews, and optimize queries with Redis caching.
Insider One is a B2B SaaS platform unifying marketing and customer engagement with AI at its core. With 1,500+ employees from 50+ nationalities, it's a woman-founded, women-led unicorn with a progressive culture.
Design, build and maintain reliable data pipelines in Python on AWS.
Build and maintain backend services and APIs using Django and FastAPI.
Take end-to-end ownership of assigned work, including design, testing, code reviews, releases and production support.
Smart Working connects skilled professionals with global teams for full-time remote roles, aiming to break down geographic barriers. It fosters a remote-first community focused on growth and well-being, and is rated highly on Glassdoor.
Design and scale backend systems for data infrastructure, including PostgreSQL data models, Kafka event pipelines, and a GraphQL API.
Lead the integration of new services and own the pipelines that deliver dataset snapshots into our warehouse.
Collaborate with platform and application teams to implement APIs that unlock new workflows for clinical studies and digital health products.
Beacon Biosignals is transforming precision medicine for the brain with at-home EEG and diagnostic platforms for neurological, psychiatric, and sleep disorders. The company values diversity, empathy, and a self-service mindset, with a collaborative remote-first culture.
Own backend development in a mature Symfony 6.1 platform, delivering independently within 2-3 months.
Drive the Symfony 7 migration and improve performance, scalability, and maintainability.
Collaborate across Angular and TypeScript/Python AI services while following SOC 2, PII, and security requirements.
Smart Working connects skilled professionals with outstanding global teams for full-time, long-term remote roles. It is a remote-first community and one of the highest-rated workplaces on Glassdoor, focused on growth and well-being.
Design and build production software and data systems for a premier banking client.
Work hands-on with cloud-native technologies and modern architecture on enterprise-scale data movement and transformation.
Collaborate in Agile teams applying strong Python, AWS, and relational database skills to real-time and batch processing.
Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. Our exceptional team thrives in a culture of collaboration, creativity, and continuous learning, with a track record of success spanning over 20 years.
Own the API, job queues, and real-time connection layer behind every sticker request.
Scale and harden cloud infrastructure, autoscaling, and observability for global growth.
Partner with firmware, ML, and Trust & Safety engineers to keep the product fast, safe, and affordable.
Spin Master is a leading global children's toy, entertainment, and digital gaming company. Hapiko, its small senior engineering team, fosters a fast-paced, hands-on culture backed by the reach of one of the world's largest toy companies.
Design, implement, test, and operate production services and APIs.
Lead projects or meaningful components of projects from problem definition through deployment and iteration.
Improve the observability and operability of the systems you own, including metrics, logs, traces, alerting, and incident learnings.
LaunchDarkly provides a platform that helps engineering teams release software and AI with speed, safety, and control using feature flags and observability. The company is growing and emphasizes teamwork, humility, openness, curiosity, and inclusive collaboration.
Design and build financial services in Go with correctness and auditability as first-class requirements.
Own core service components end to end, from design and implementation to rollout and on-call.
Integrate with external financial partners and build automated reconciliation and exception handling.
The company is building the financial core of a mission-driven fintech platform, including money movement, ledgering, and reporting systems. The team is small, fast-paced, and cross-functional, with a strong culture of ownership and a focus on correctness, auditability, and reliability.
Build scalable, high-load systems in Python and work with big data processing 200–400M+ records per day.
Design and develop integrations with external channels behind a unified data model and API.
Ensure data quality and consistency across channels through validation, reconciliation, and monitoring.
SplitMetrics is a global software company providing a growth engine for mobile-first businesses through its ecosystem of products and services, including Apple Ads optimization and A/B testing. With over 11 years of experience and a remote-first culture, the company collaborates across 20+ countries and values transparency, speed, and continuous learning.
Develop and maintain backend systems and data-processing pipelines using Python.
Work with core processing systems and large-scale geospatial imagery from drones, aircraft, or satellites.
Apply hands-on GIS and photogrammetry expertise to process and transform geospatial data.
Our client is a U.S.-based technology company working with large-scale geospatial data and imagery. They focus on processing drone, aircraft, and satellite imagery for various applications. The team is collaborative and values technical expertise in GIS and photogrammetry.
Lead the small, senior Backend Team behind Yazio's API and all AI features in the app, owning the team's rituals and ways of working.
Build close relationships with squad leads and product managers, so backend work is part of each squad's plans from the start of the quarter.
Grow the team through 1:1s, development goals and timely feedback, and keep an eye on production so issues get resolved.
We help millions of users every day on their journey to healthy nutrition and greater well-being through our nutrition app. We are a remote-first, international team with a focus-driven culture that values efficiency and supports growth and well-being.
Design, develop, and maintain scalable back end services and APIs for Quanata's products.
Architect data flows, database schemas, and cloud infrastructure with a focus on reliability and security.
Mentor engineers and shape technical decisions across complex features from concept to deployment.
Quanata is a technology company in the State Farm family, building products and services for the financial and insurance sectors. It is a remote-first organization that values veterans, supports professional growth, and offers comprehensive benefits.
Design and operate complex agent orchestration systems for connectivity and payments initiatives.
Take ownership of critical product areas using AI tools as a force multiplier.
Collaborate with Product, Design, and Engineering to build scalable backend systems in Elixir.
Peek is an AI-powered platform that powers the experiences industry, from museums to tours, with over $7B in bookings. They are a remote-first global team recognized as a best place to work, emphasizing customer obsession and collaboration.
Design and scale backend data systems including PostgreSQL data models, Kafka-driven pipelines, and a GraphQL API.
Lead architecture for complex projects, weighing trade-offs and backing decisions with data.
Partner with product, science, and clinical teams to translate requirements into new integrations and services.
Beacon Biosignals is building at-home EEG platforms for precision medicine, supporting clinical development and diagnostics for neurological and sleep disorders. The company fosters a collaborative, remote-first culture with offices in Boston, NYC, and Paris, and values diversity and empathy.
Design, build, and maintain Go-based backend services and provider adapters for network, bare-metal/GPU, and data providers.
Contribute to self-serve onboarding frameworks including schema mapping, GUI tooling, validation guardrails, and LLM-assisted integration.
Collaborate asynchronously across distributed functions and own assigned adapter surfaces end-to-end with observable, well-tested services.
Inflect is a US-based advisory and marketplace transforming how companies buy and sell digital infrastructure such as data center, cloud, and network services. The team works across Brazil, Poland, and the US with a culture of autonomy, high impact, and async collaboration.