Staff SRE - Performance Engineering
Status
Atlanta, USA
Full time
Remote
Compensation is not specified
Role
Security Engineer
Description
Circle is a revolutionary company in the world of finance and technology, focusing on the advancements of digital transactions. Our platform facilitates the seamless transfer of value globally, instantaneously, and at a lower cost compared to traditional settlement systems. This exceptional technology allows for innovative opportunities in payments, commerce, and market developments that can enhance global economic well-being and foster inclusivity. Through our infrastructure, which includes the USDC blockchain-based dollar, we empower businesses, institutions, and developers to leverage these advancements and benefit from the evolution of money and technology.
About Us:
At Circle, we prioritize transparency and stability in all aspects of our operations. As we expand into leading global jurisdictions, our team is driven by our core company values: Multistakeholder approach, Mindfulness, Pursuit of Excellence, and High Integrity. Collaborating in a remote setting, our employees thrive in a flexible and diverse work environment where creativity is encouraged, and everyone's input matters.
Responsibilities:
As a Senior Site Reliability Engineer at Circle, you will be involved in designing, constructing, and managing Circle's infrastructure to support our growing customer base across various regions on public cloud platforms. Your expertise will ensure that Circle's products and core systems operate consistently, reliably, and efficiently. This role offers a unique opportunity to enhance your skills, collaborate with cross-functional teams, and engage in continuous learning within a dynamic and fast-paced environment.
Role Tasks:
- Providing support to multiple development teams by managing an agile, responsive CI/CD platform for high-quality builds with measurable performance and quality metrics.
- Building, maintaining, and securing cloud infrastructure and resources using Infrastructure as Code (IaC) tools such as Terraform, CloudFormation, and Ansible.
- Automating operational tasks using languages like Go, Python, and serverless solutions such as AWS Lambda and Kubernetes Jobs.
- Designing, overseeing, and monitoring Kubernetes clusters for various production workloads.
- Advancing our blockchain infrastructure by managing blockchain nodes across different blockchain networks.
- Collaborating with the Security team to develop and sustain security-focused tools and practices to ensure a top-tier security posture.
- Participating in an on-call rotation to swiftly address any production system disruptions and conducting root cause analyses.
- Planning and testing disaster recovery scenarios for a highly available microservices architecture.
- Mentoring team members and assisting in team growth and scalability.
Requirements for Positions:
Senior Site Reliability Engineer (III)
- At least 4 years of experience in DevOps roles with a focus on tooling, automation, and infrastructure on a major public cloud provider.
- Proficiency in coding and scripting languages like Go, Python, and Shell.
- Strong background in building and supporting CI/CD platforms and agile engineering teams for developing microservice applications.
- Expertise in various tools, technologies, and concepts related to cloud infrastructure, Kubernetes clusters, blockchain systems, databases, data warehousing, networking, monitoring tools, and Infrastructure as Code with a focus on AWS, Azure, or GCP.
Staff Site Reliability Engineer (IV)
- 7+ years of experience in DevOps roles with a focus on tooling, automation, and infrastructure on a major public cloud provider.
- Demonstrated technical leadership in architecture, system design, and API development.
- Profound knowledge in cloud services, Kubernetes, SQL databases, coding standards, and code quality.
Compensation and Benefits:
- Senior Site Reliability Engineer:
- Base Pay Range: $147,500 - $195,000 with an Annual Bonus Target of 12.5%.
- Staff Site Reliability Engineer:
- Base Pay Range: $172,500 - $227,500 with an Annual Bonus Target of 15%.
- Additional benefits include equity opportunities, medical, dental, vision, and 401(k) plans, with a discretionary vacation policy, paid sick leave, and holidays.
We are committed to fostering a diverse and inclusive workplace, promoting equal opportunities for all employees.
Skills Required
Circle
Website
www.circle.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Peeter Luik
Software Developer
Part time
Remote
I’m actively looking for a native Russian speaker who can expertly conduct or participate in job interviews—especially those requiring strong communication, technical understanding, and professional presence. This person should feel at ease discussing software engineering, or related topics, while also being able to assess a candidate’s clarity, depth, and overall fit. If you’re a fluent Russian speaker with the confidence and experience to shine in a technical interview setting, I’d be excited to connect and explore the opportunity with you.
Payment in Crypto
Frank Ralph
Architect designers
Sydney, Australia
Sydney, Australia
Part time
Remote
AutoCAD
Looking for 2D AutoCAD specialists to prepare detailed architectural and engineering drawings.
Payment: AUD $500–$1,200 per project
Looking for 2D AutoCAD specialists to prepare detailed architectural and engineering drawings.
Payment: AUD $500–$1,200 per project
Payment in Crypto
Gabenius
Full-time Hackintosh iOS development
Full time
Hybrid
We are currently seeking a skilled professional to join our team as a Full-time Hackintosh iOS Developer. In this role, you will be responsible for developing iOS applications for our Hackintosh platform. The ideal candidate will have a strong background in Web, Mobile, and Software Development, Engineering & Architecture, Customer Service, and Accounting and Consulting Specialist.
Responsibilities:
- Designing, developing, and implementing iOS applications for our Hackintosh platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Troubleshooting application bugs and implementing solutions
- Ensuring the performance, quality, and responsiveness of applications
- Staying up-to-date with the latest industry trends and technologies
- Providing technical support and guidance to users as needed
Requirements:
- Proven work experience as an iOS Developer or similar role
- Proficient in Objective-C, Swift, and Xcode
- Strong understanding of iOS development best practices
- Excellent problem-solving skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skills
- Knowledge in web, mobile, and software development, engineering & architecture, customer service, and accounting and consulting specialist
If you are passionate about iOS development and eager to work on innovative projects in the Hackintosh space, we'd love to hear from you. Please apply with your resume and portfolio to be considered for this exciting opportunity.
Responsibilities:
- Designing, developing, and implementing iOS applications for our Hackintosh platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Troubleshooting application bugs and implementing solutions
- Ensuring the performance, quality, and responsiveness of applications
- Staying up-to-date with the latest industry trends and technologies
- Providing technical support and guidance to users as needed
Requirements:
- Proven work experience as an iOS Developer or similar role
- Proficient in Objective-C, Swift, and Xcode
- Strong understanding of iOS development best practices
- Excellent problem-solving skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skills
- Knowledge in web, mobile, and software development, engineering & architecture, customer service, and accounting and consulting specialist
If you are passionate about iOS development and eager to work on innovative projects in the Hackintosh space, we'd love to hear from you. Please apply with your resume and portfolio to be considered for this exciting opportunity.
Payment in Crypto
Сrypto.com
Product Manager (AI)
Singapore
Singapore
Full time
Hybrid
Our Product Management team oversees the development of product initiatives from ideation to launch, playing a critical role in product innovation and global product releases. We work collaboratively with various teams including engineers, designers, analysts, and marketers to deliver outstanding features and products.
About the Role:
We are looking to hire a forward-thinking Product Manager to join our Product team. This role involves integrating advanced artificial intelligence throughout the Crypto.com App, serving as the strategic link between AI capabilities and user experience enhancement.
In this position, you will closely collaborate with Product Managers from diverse areas to infuse intelligence into our features, enhancing user onboarding processes, KYC flows, and providing AI-driven insights for user decision-making. The goal is to establish a cohesive AI strategy that enhances operational efficiency and introduces a personalized and intuitive user journey for our global user base.
The ideal candidate should have a robust knowledge of generative AI technologies and data infrastructure and a track record in leading cross-functional projects. While experience in crypto trading ecosystems is favorable, a genuine passion for revolutionizing the fintech landscape through AI is paramount.
Responsibilities:
Strategic Collaboration: Collaborate with Product Leads across the Crypto.com App to identify integration opportunities for AI, ensuring a cohesive and intelligent user experience.
Product Vision & Roadmap: Establish and drive the strategy for AI-enhanced customer-facing products, balancing long-term innovation and immediate operational impact.
AI Integration & Excellence: Work with AI/ML research teams to integrate generative AI models into core features, upholding high standards for response quality and relevance.
Cross-Functional Leadership: Lead multidisciplinary teams to translate complex AI capabilities into clear, mobile-first requirements.
Operational Intelligence: Scale AI-driven support tools and automated verification flows to improve efficiency while ensuring a seamless user experience.
Data-Driven Iteration: Define metrics of success and continuously monitor product performance to fuel rapid experimentation and feature optimization.
Trust & Security: Ensure AI-powered products adhere to global data privacy standards and ethical AI practices.
Requirements:
Experience: 3+ years of Product Management experience, particularly in AI, fintech, or high-growth data platform settings.
AI/ML Literacy: Strong grasp of generative AI fundamentals, including model limitations, prompt engineering, and deploying LLMs in production.
Collaborative Mindset: Proven ability to collaborate across diverse product teams to bring complex features to life.
Technical Familiarity: Familiarity with AI Agent tools and optimizing workflows through automation.
Strategic Execution: Able to manage high-level strategies while maintaining hands-on product delivery.
User-First Mindset: Passion for translating technical solutions into user-friendly experiences.
Domain Knowledge: Previous experience with customer-facing AI products preferred, crypto ecosystem familiarity is a bonus.
Education: Bachelor’s degree in a technical or business field; advanced degrees are advantageous.
If you are enthusiastic about shaping the future and possess the qualifications for this role, we look forward to having you on our team.
Benefits:
Competitive salary
Comprehensive medical insurance
Generous annual leave entitlement
Flexible work hours and remote/hybrid work setup
Career growth opportunities
Crypto.com Visa card provided
Diverse benefit packages regionally tailored
About Crypto.com: Crypto.com, established in 2016, serves a vast customer base globally and is a leading cryptocurrency platform. Our ambition is to make cryptocurrency accessible to everyone. With a focus on security, privacy, and compliance, Crypto.com aims to drive cryptocurrency adoption through innovation and empower the next generation of builders and entrepreneurs in a fair digital ecosystem.
We are an equal opportunities employer dedicated to fostering diversity and inclusion within our team. Candidates with diverse backgrounds, perspectives, and skills are encouraged to apply.
Personal data shared during the application process will only be used for recruitment purposes. Kindly note that only shortlisted candidates will be contacted.
About the Role:
We are looking to hire a forward-thinking Product Manager to join our Product team. This role involves integrating advanced artificial intelligence throughout the Crypto.com App, serving as the strategic link between AI capabilities and user experience enhancement.
In this position, you will closely collaborate with Product Managers from diverse areas to infuse intelligence into our features, enhancing user onboarding processes, KYC flows, and providing AI-driven insights for user decision-making. The goal is to establish a cohesive AI strategy that enhances operational efficiency and introduces a personalized and intuitive user journey for our global user base.
The ideal candidate should have a robust knowledge of generative AI technologies and data infrastructure and a track record in leading cross-functional projects. While experience in crypto trading ecosystems is favorable, a genuine passion for revolutionizing the fintech landscape through AI is paramount.
Responsibilities:
Strategic Collaboration: Collaborate with Product Leads across the Crypto.com App to identify integration opportunities for AI, ensuring a cohesive and intelligent user experience.
Product Vision & Roadmap: Establish and drive the strategy for AI-enhanced customer-facing products, balancing long-term innovation and immediate operational impact.
AI Integration & Excellence: Work with AI/ML research teams to integrate generative AI models into core features, upholding high standards for response quality and relevance.
Cross-Functional Leadership: Lead multidisciplinary teams to translate complex AI capabilities into clear, mobile-first requirements.
Operational Intelligence: Scale AI-driven support tools and automated verification flows to improve efficiency while ensuring a seamless user experience.
Data-Driven Iteration: Define metrics of success and continuously monitor product performance to fuel rapid experimentation and feature optimization.
Trust & Security: Ensure AI-powered products adhere to global data privacy standards and ethical AI practices.
Requirements:
Experience: 3+ years of Product Management experience, particularly in AI, fintech, or high-growth data platform settings.
AI/ML Literacy: Strong grasp of generative AI fundamentals, including model limitations, prompt engineering, and deploying LLMs in production.
Collaborative Mindset: Proven ability to collaborate across diverse product teams to bring complex features to life.
Technical Familiarity: Familiarity with AI Agent tools and optimizing workflows through automation.
Strategic Execution: Able to manage high-level strategies while maintaining hands-on product delivery.
User-First Mindset: Passion for translating technical solutions into user-friendly experiences.
Domain Knowledge: Previous experience with customer-facing AI products preferred, crypto ecosystem familiarity is a bonus.
Education: Bachelor’s degree in a technical or business field; advanced degrees are advantageous.
If you are enthusiastic about shaping the future and possess the qualifications for this role, we look forward to having you on our team.
Benefits:
Competitive salary
Comprehensive medical insurance
Generous annual leave entitlement
Flexible work hours and remote/hybrid work setup
Career growth opportunities
Crypto.com Visa card provided
Diverse benefit packages regionally tailored
About Crypto.com: Crypto.com, established in 2016, serves a vast customer base globally and is a leading cryptocurrency platform. Our ambition is to make cryptocurrency accessible to everyone. With a focus on security, privacy, and compliance, Crypto.com aims to drive cryptocurrency adoption through innovation and empower the next generation of builders and entrepreneurs in a fair digital ecosystem.
We are an equal opportunities employer dedicated to fostering diversity and inclusion within our team. Candidates with diverse backgrounds, perspectives, and skills are encouraged to apply.
Personal data shared during the application process will only be used for recruitment purposes. Kindly note that only shortlisted candidates will be contacted.
Jitolabs
Senior Systems Engineer - Performance
USA
USA
Full time
Remote
Company Overview
Jito Labs specializes in creating cutting-edge high-performance distributed systems on the Solana platform. Our team is renowned for developing Jito-Solana, a premier MEV Solana client, and the groundbreaking Jito Block Engine, which has significantly improved block building on Solana, resulting in approximately 4.5 million SOL rewards for validators and stakers in the last year.
We are excited to introduce BAM, our latest product that aims to redefine Solana's market structure and transaction supply chain by prioritizing performance, reliability, and transaction privacy.
Why Choose Jito
High ownership: Take the lead in making crucial technical decisions and shaping product direction.
Fast execution: Embrace rapid shipping and iterative improvements based on real-world feedback.
Technical excellence: Tackle complex challenges with elegant solutions.
Sustainability: Our strong financial position allows us to focus on long-term impact rather than runway concerns.
Position Overview
We are currently looking for an experienced Senior Systems Engineer to join our core team. In this role, you will play a pivotal part in constructing crucial, cutting-edge infrastructure for the Solana ecosystem. You will have the opportunity to explore uncharted technical territories and devise innovative solutions across various aspects of our stack.
Systems & Infrastructure Engineering
Design and maintain high-performance Linux systems for transaction processing and block building.
Utilize virtualization and isolation technologies (KVM, QEMU, TEEs).
Debug and enhance the interaction between user-space systems and the Linux kernel.
Analyze CPU performance, memory management, I/O operations, and scheduling under real-world workloads.
Performance Engineering
Develop high-performance systems for processing and analyzing on-chain data.
Optimize critical pathways within our infrastructure and Solana core (Agave & Firedancer) to reduce latency and boost throughput.
Create new tools for monitoring and enhancing network efficiency.
Enhance system reliability through thoughtful design, observability, and fault isolation.
Contribute performance enhancements upstream (Solana / OS / QEMU components).
Requirements
Minimum 5 years of systems-level programming in C, C++, or Rust with proficiency in Rust.
Extensive experience in Linux systems engineering and performance-critical infrastructure.
In-depth knowledge of profiling and tracing tools such as perf, flamegraphs, and eBPF.
Experience in debugging network performance using tools like tcpdump, Wireshark, and packet capture analysis.
Familiarity with CPU microarchitecture considerations including cache behavior, branch prediction, and NUMA.
Demonstrated ability to delve into complex systems to identify and resolve issues accurately.
Strong communication skills.
Strongly Preferred
Experience in HFT, market-making, or ultra-low-latency trading systems.
Background in virtualization, hypervisors, TEE development.
Prior work involving the kernel or embedded systems.
Familiarity with Solana or blockchain infrastructure.
SALARY: $200,000 - $230,000 per year (Salary offered will be based on experience)
Additional Benefits:
Competitive compensation with multiple forms of equity.
100% employer-paid health benefits.
All-expenses-paid team retreats and conference opportunities.
Weekly meal voucher.
Jito Labs specializes in creating cutting-edge high-performance distributed systems on the Solana platform. Our team is renowned for developing Jito-Solana, a premier MEV Solana client, and the groundbreaking Jito Block Engine, which has significantly improved block building on Solana, resulting in approximately 4.5 million SOL rewards for validators and stakers in the last year.
We are excited to introduce BAM, our latest product that aims to redefine Solana's market structure and transaction supply chain by prioritizing performance, reliability, and transaction privacy.
Why Choose Jito
High ownership: Take the lead in making crucial technical decisions and shaping product direction.
Fast execution: Embrace rapid shipping and iterative improvements based on real-world feedback.
Technical excellence: Tackle complex challenges with elegant solutions.
Sustainability: Our strong financial position allows us to focus on long-term impact rather than runway concerns.
Position Overview
We are currently looking for an experienced Senior Systems Engineer to join our core team. In this role, you will play a pivotal part in constructing crucial, cutting-edge infrastructure for the Solana ecosystem. You will have the opportunity to explore uncharted technical territories and devise innovative solutions across various aspects of our stack.
Systems & Infrastructure Engineering
Design and maintain high-performance Linux systems for transaction processing and block building.
Utilize virtualization and isolation technologies (KVM, QEMU, TEEs).
Debug and enhance the interaction between user-space systems and the Linux kernel.
Analyze CPU performance, memory management, I/O operations, and scheduling under real-world workloads.
Performance Engineering
Develop high-performance systems for processing and analyzing on-chain data.
Optimize critical pathways within our infrastructure and Solana core (Agave & Firedancer) to reduce latency and boost throughput.
Create new tools for monitoring and enhancing network efficiency.
Enhance system reliability through thoughtful design, observability, and fault isolation.
Contribute performance enhancements upstream (Solana / OS / QEMU components).
Requirements
Minimum 5 years of systems-level programming in C, C++, or Rust with proficiency in Rust.
Extensive experience in Linux systems engineering and performance-critical infrastructure.
In-depth knowledge of profiling and tracing tools such as perf, flamegraphs, and eBPF.
Experience in debugging network performance using tools like tcpdump, Wireshark, and packet capture analysis.
Familiarity with CPU microarchitecture considerations including cache behavior, branch prediction, and NUMA.
Demonstrated ability to delve into complex systems to identify and resolve issues accurately.
Strong communication skills.
Strongly Preferred
Experience in HFT, market-making, or ultra-low-latency trading systems.
Background in virtualization, hypervisors, TEE development.
Prior work involving the kernel or embedded systems.
Familiarity with Solana or blockchain infrastructure.
SALARY: $200,000 - $230,000 per year (Salary offered will be based on experience)
Additional Benefits:
Competitive compensation with multiple forms of equity.
100% employer-paid health benefits.
All-expenses-paid team retreats and conference opportunities.
Weekly meal voucher.