Senior DevOps Engineer

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.

AutoCAD
Looking for 2D AutoCAD specialists to prepare detailed architectural and engineering drawings.
Payment: AUD $500–$1,200 per project
 

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.

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.

Our client is in search of an experienced Backend Engineer to play a key role in developing high-performance, cloud-native infrastructure that supports research, trading, and data pipelines. This position is pivotal in facilitating real-time data ingestion and processing workflows and ensuring the systems are equipped to handle the demands of a high-uptime, low-latency trading environment.

Responsibilities:

Lead the development of robust, high-performance backend systems in Go for real-time data processing and low-latency workflows.

Promote engineering excellence by upholding code quality, implementing best practices, and guiding fellow team members.

Collaborate closely with trading, product, and infrastructure teams to comprehend system requirements and deliver efficient solutions.

Take charge of production services to guarantee reliability, observability, and performance optimization. Enhance systems performance, stability, reliability, and security.

Contribute to infrastructure automation and improvements in CI/CD to facilitate quick deployment and operational flexibility.

Conduct detailed code reviews, drive technical conversations, and influence engineering norms and practices.

Implement automated testing, CI/CD pipelines, and actively engage in code reviews and design dialogues.

Deploy and oversee services utilizing cloud-native tools and practices.

Monitor, troubleshoot, and debug production systems and participate in the on-call incident response team within a high-uptime setting.

Requirements:

Over 5 years of backend development experience, with at least 3 years involving Go in production-grade systems.

Proficiency in leading large-scale system design and mentoring engineers in best practices.

Thorough knowledge of concurrency, memory management, and performance optimization in Go.

Demonstrated expertise in devising and deploying microservice architectures in high-availability, high-throughput environments.

Sound understanding of message queues, event-driven architectures, and asynchronous processing.

Strong grasp of microservice architecture and REST/gRPC APIs.

Proficient in networking data transmission protocols such as TCP, UDP, WSS, etc.

Experience in developing and deploying cloud-native applications.

Familiarity with containerization technologies like Docker and orchestration engines (e.g., ECS, Kubernetes).

Proficient in message brokers (e.g., Kafka) and distributed systems.

Knowledge of data storage technologies including PostgreSQL, Redis, and time-series databases.