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5 days, 17 hours ago
#1
Slingshot
UK compensation range £100K–£250K with equity offers; US offers equity range US$150K–$400K. Company aims to pay the 90th percentile for the industry and includes meaningful equity ownership. Also includes competitive compensation, travel between NYC/London offices, free lunch and coffee in office, generous learning budget, and coverage of personal therapy.
Location: London. Employment Type: Full time. Department: Engineering. Slingshot AI is the team behind Ash, the first AI designed for mental health. Our mission is to make support more accessible and help people change their lives in the ways they want. We’re building a world-class team by empowering individuals with the autonomy, flexibility, and support they need to do their best work. The role As a Member of Technical Staff focused on Production Engineering, you will build the platform that powers Ash at scale. You'll work across voice and AI stacks, internal services, and the data systems around them, improving observability, deployment, and platform tooling to scale reliably. Key responsibilities - Collaborate within a cross-functional team spanning engineering, machine learning, and product to quickly design, build, and launch new features across the stack. - Work comfortably across all parts of the stack, including core backend (Kotlin), ML scripts for evaluation, data processing and inference (Python), low-level media streaming (Rust), the app (Dart/Flutter), and internal tooling (Next.js/TypeScript). - Elevate user experience by continually refining reliability, performance, and scalability of the systems behind Ash. - Rapidly investigate, diagnose, and resolve production issues with a focus on latency, reliability, and cost. - Take initiative to independently prototype new features based on customer feedback and product intuitions. About You - 6+ years of software engineering experience with a track record of operating production systems at meaningful scale. - Strong systems instincts about latency, reliability, and cost; knows what breaks under load and designs around it. - Owns what you build; happy redesigning systems as production teaches you something new. - Comfortable building across the full stack; keen learner who picks up new languages and stacks quickly. - Experience taking systems from prototype to scaled production in weeks. Nice to have - Experience working on production AI inference or model serving systems. - Experience working on realtime systems such as voice, live communications, or streaming. - Experience working on large-scale data pipelines or evaluation systems. - Experience working with ML codebases (interest in AI helps). What We Offer - Competitive compensation (top of personal market) plus meaningful equity ownership. - Travel between NYC/London offices. - Usual startup perks like free lunch and coffee in office plus a generous learning budget. - Coverage of personal therapy. Application instructions: Please mention the word PERFECT and tag RODguMTk4Ljk5LjE0Mw== when applying to show you read the job post completely (#RODguMTk4Ljk5LjE0Mw==).
Tech stack
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1 year, 4 months ago
#2
Rune Labs
$155k-180k
Rune Labs is building the future of precision neurology care and we are hiring a Senior Backend Engineer to join the team! Requirements: At least 3 years as a backend software engineer, building cloud-native applications (we’re on AWS). Professional experience with Python or Go. A track record of using unit and integration testing frameworks to provide high test coverage for your projects. Direct experience working on projects that include at least one of the following: GraphQL, RESTful, or gRPC APIs, ETL pipelines, Relational and NoSQL databases, Asynchronous/job-based execution (e.g. queues, pub/sub, web sockets), Handling of sensitive data (e.g. medical, emergency services, financial), Storing and querying time series data, Building and/or deploying ML models.
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11 months, 1 week ago
#3
SpaceX/Starlink
$140–$170K
Starlink is the world’s largest satellite constellation and is providing fast, reliable internet to 4M+ users worldwide. We’re hiring a Senior Software Engineer as a member of our satellite collision avoidance team. The role involves writing a highly available backend infrastructure to handle coordination and maneuvering of satellites. We understand every piece of technology that we use down to first principles, and build efficient services.
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2 years, 8 months ago
#4
Helio
CHF 100-130k + equity and benefits
We are a Swiss startup based in Zurich and build the first carbon-aware cloud by increasing the utilization rates of data centers worldwide. We're focusing currently on the 3D render market (providing compute for rendering 3D animations) but will expand to further areas as we grow. We have a core product with scheduling and billing included where you'll mainly work on. We're looking for a Senior Go Engineer and develop our core and render product further. We utilize various cloud providers and work with Kubernetes and Cluster API. You'll mainly develop Go code and deploy and monitor it on our production cluster (you build it you run it). Tech Stack: - Go - gRPC - NATS - Kubernetes (including custom operators) - Cluster-API, ArgoCD (GitOps), Argo Workflows - Windows and Linux containers - Prometheus (Cortex) - PostgreSQL - GitLab CI/CD, GitHub
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11 months ago
#5
Synapto
€80-120k + meaningful %
We're well funded, have a healthy sales funnel, and already processing payments for our customers in production. We're a Java/gRPC/jOOQ shop focused on simplicity, flexibility and quality. Assorted things to be built: billing (invoices, subscriptions, taxes), split-payments (account boarding, ledgers, payout, etc.), developer tooling (api/webhooks/idempotence/rate limiting/etc).
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1 year, 5 months ago
#6
Selby Jennings
95,000 - 105,000 GBP per year
We are an innovative trading platform focused on enhancing trading efficiency and security for our users. Our platform offers a comprehensive suite of tools for on-chain traders and supports multiple blockchains, including Ethereum, Solana, Base, and Blast.
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4 months, 1 week ago
#7
Interledger Foundation
Contractor position, USD 6700/month. Initial contractor engagement; benefits not listed.
Interledger Foundation is hiring an experienced Support Engineer (5+ years) to build the entire support function for their Wallet from the ground up. This is a contractor position, initially. Responsibilities include troubleshooting web and mobile applications using logs, metrics, and system behavior, operating autonomously, and making pragmatic operational decisions. Nice-to-haves: experience supporting financial infrastructure or cross-border payment systems; prior open-source or nonprofit experience; knowledge of APIs (REST, GraphQL, gRPC); experience defining on-call rotations and incident response frameworks; familiarity with CI/CD, monitoring, and observability tools; experience with distributed scaling or remote support teams. To apply, send resume and brief motivation to hr@interledger.org.
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