Jobs

We are seeking a Tech Lead/Solution Architect with deep expertise in Rust, Solana, and extensive experience in building data-processing pipelines and distributed systems. Your primary focus will be on designing and implementing solutions to enhance the performance of the Solana Validator Client.

Responsibilities:

• Optimize the performance of the Solana Validator Client.
• Design and implement a high-load data-processing pipeline (handling ~4k operations/sec).
• Architect and optimize backend systems for scalability, reliability, and resilience in high-traffic environments.
• Ensure high availability, data integrity, and low-latency performance.

Requirements:

• 4–6 years of experience in infrastructure or back-end engineering.
• Advanced proficiency in Rust and RocksDB.
• Strong knowledge of distributed systems and consensus algorithms.
• Bonus: Prior experience with Solana.

What We Offer:

• Competitive salary based on your qualifications and experience.
• Flexible schedule: Work 8 hours per day based on your natural biorhythms (no fixed start time).
• Remote work opportunities.
• Paid vacation: 31 working days annually (11 national holidays + 20 vacation days).
• Paid sick leave: Up to 10 working days per year.
• Individual benefits package: Funds for personal use on travel, insurance, fitness, driving lessons, and more.

Join us and help shape the future of high-performance blockchain infrastructure!

We’re seeking an experienced developer proficient in Rust and blockchain technologies to join our innovative team. In this central role, you’ll design high-performance systems optimized for low latency and scalability through AI-driven innovation, significantly impacting a fairer, more efficient blockchain ecosystem.

Responsibilities:

• Design and develop scalable backend services in Rust, focusing on ultra-low latency and high throughput.
• Architect and implement innovative off-chain protocols that revolutionize the EVM execution engine and enable ultra-parallelized block generation.
• Collaborate with researchers and the community to integrate AI-driven solutions and cutting-edge approaches.
• Optimize system performance through advanced coding practices and low-level programming techniques.
• Influence critical decisions and drive impactful results through your expertise.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 4+ years of experience in backend development focusing on high-performance, low-latency systems.
• Expertise in Solana is a plus
• Expertise in Rust; familiarity with Go and C++ is a plus.
• Strong understanding of blockchain technologies, particularly Ethereum.
• Proficiency in Python for research and tooling.
• Experience with blockchain development tools such as revm, reth, geth, Remix, etc.
• Excellent problem-solving skills and effective communication.

Preferred Qualifications:

• Experience with designing innovative protocols and off-chain solutions.
• Familiarity with Docker, Kubernetes, and high-performance systems.
• Knowledge of AI and machine learning applications in system optimization.

Ready to join our team? Send your CV to the email address below and let us know you’re interested in the Senior Blockchain Backend (Rust) Developer position! We look forward to hearing from you.

We are looking for a Rust Developer who embodies proactivity, independence in work, strong problem-solving skills, and an engineering mindset. The ideal candidate will have a strong background in Rust programming and a passion for developing high-performance, reliable, and scalable software.

The project is a German-based company that produces wireless heating sensors.

Requirements:
-2+ years of hands-on experience with Rust and an excellent understanding of Rust’s syntax, internals, and principles of its operation

- Proficiency in writing unit tests, integration tests, and end-to-end tests for Rust components

-Experience with relational and non-relational databases

-Knowledge of REST principles

-Understanding of the OOP, OOD, and SOLID principles

-Deep knowledge of standard algorithms and data structures
- Upper-intermediate or higher English level

Will be a plus: 

-Experience with C or Python
-Previous experience with IoT projects
-Knowledge of MQTT protocol

-Location Europe

Responsibilities: 

-Design, develop, and implement solutions using Rust, following clean code principles

-Design product architecture according to business needs

-Collaborate with the team to define project requirements and architecture 

-Support of existing and writing new algorithm services

About the Project
Domain: Healthcare

Tech stack: Rust, MATLAB
 

Responsibilities

• Design, develop, and maintain scalable full-stack solutions.
• Collaborate with product managers and developers to deliver high-quality features.
• Stay up to date with industry trends and emerging technologies.

Requirements

• Deep Knowledge of Linear Algebra, Image Processing by using OpenCV or any another libraries.
• Algorithm Optimisations by using different programming language techniques (Performance Optimisation, Space Optimisation, Big O notation).
• System Programming Languages - C/C++/Rust(would be nice), Python( would be nice).
• Upper-Intermediate level of English.
• DICOM Protocol.
• Familiarity with DICOM data structures and basic medical imaging workflows would be a major advantage.
• Mathematical Background or Degree.
• PostgreSQL.
• AWS S3 would be a nice.
• Scientifically curious, detail-oriented, patient, and comfortable communicating technical reasoning.
• Being able to think critically and independently without rushing through tasks is key. 
• While direct experience in medical imaging is ideal, experience with general image processing or scientific computing could be sufficient if the candidate is willing to learn.

Our benefits:

GROWTH & EDUCATION

• Individual development plan.
• Mentoring program.
• Evaluation process.
• Professional education.
• Covering the cost of professional certifications.
• Corporate library.
• English classes.

COMMUNITY

• Technological community.
• Volunteering & Charity.
• Yalantis events.
• Yalantis Education.
• Project Teambuilding activities.
• Workation in Larnaca.

WELLBEING

• Medical insurance, health check-ups, and compensation for sports activities are up to you.
• Vacation & Day Offs.
• Mental health support program.
• Public holidays.
• Financial and legal support for private entrepreneurs.

WORK ENVIRONMENT

• Cosy offices.
• Corporate Top-notch equipment and quality tools.
• Flexible format of work.
• Eco & Pet-friendly space.
• Fun activities in offices.
• Y-bucks & Yalantis store.

Please note that feedback with the results of the CV review will be provided only in the event of a decision to consider your candidacy further.
 

Otherwise, your data will be retained in the company’s CV database, and we will gladly contact you if a suitable vacancy becomes available. The consideration period is 7 working days.

We’re seeking an experienced developer proficient in Rust and Blockchain technologies to join our innovative team. In this central role, you’ll design high-performance systems optimized for low latency and scalability through AI-driven innovation, significantly impacting a fairer, more efficient Blockchain ecosystem.

Responsibilities:

• Design and develop scalable backend services in Rust, focusing on ultra-low latency and high throughput.
• Architect and implement innovative off-chain protocols that revolutionize the EVM execution engine and enable ultra-parallelized block generation.
• Lead a small team of developers and support them in meeting project goals.
• Collaborate with researchers and the community to integrate AI-driven solutions and cutting-edge approaches.
• Optimize system performance through advanced coding practices and low-level programming techniques.
• Influence critical decisions and drive impactful results through your expertise.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 4+ years of experience in backend development focusing on high-performance, low-latency systems.
• Expertise in Rust; familiarity with Go and C++ is a plus.
• Strong understanding of Blockchain technologies, particularly Ethereum.
• Proficiency in Python for research and tooling.
• Experience with Blockchain development tools such as revm, reth, geth, Remix, etc.
• Experience leading a small team of developers.
• Excellent problem-solving skills and effective communication.

Preferred Qualifications:

• Experience with designing innovative protocols and off-chain solutions.
• Familiarity with Docker, Kubernetes, and high-performance systems.
• Knowledge of AI and machine learning applications in system optimization.

Benefits:

• A welcoming environment that encourages the exploration of new frameworks and technologies
• Flexible working hours, ranging from 8:00-10:00 a.m. until 5:00-7:00 p.m.
• Various work arrangements
• Celebratory gifts for birthdays, anniversaries, and special occasions
• Company-provided hardware, training, courses, and books

Ready to join our team? Send your CV to the email address below and let us know you’re interested in the Senior Blockchain Backend (Rust) Developer position! We look forward to hearing from you.

Are you passionate about blockchain technology? Join our team and kickstart your career in blockchain development! We offer a unique opportunity to attend our internal school, where you will receive training to master advanced blockchain concepts and technologies.

🔥 This position is an internship opportunity at our internal blockchain school, with the possibility of a $1200 reward for successful completion and an offer for a long-term partnership 🔥

Requirements ⬇️

• Degree in Computer Science or a related field, or equivalent practical experience.
• Knowledge of back-end development (NodeJS or other technologies).
• Proficiency in English (B1 level or higher).
• Basic understanding of cryptography (symmetric/asymmetric encryption, hash functions).
• Strong knowledge of algorithms and data structures.
• Knowledge of testing tools and best practices.
• Strong analytical and debugging skills.

Responsibilities ⬇️

• Write and manage smart contracts.
• Design, develop, and maintain backend infrastructure for blockchain platforms.
• Implement and run tests to ensure the reliability and performance of applications.
• Integrate blockchain protocols and APIs into backend systems.

We offer ⬇️

• Comprehensive blockchain training in a supportive learning environment.
• Reward of $1200 upon successful completion of training, and also a job offer.
• Opportunities for professional growth and career advancement.
• Participation in challenging and innovative projects.
• Fully remote work. 
• Competitive salary.
• English language courses.
• Paid vacation and sick leave.
• A friendly, open-minded, and supportive team 😊

We’re hiring a skilled Middle/Senior C and Rust Developer to join a high-performing embedded systems team in the IoT domain.

We are looking for a highly motivated, self-driven, and experienced individual to join a team of embedded software developers and contribute to one of our projects.

Customer

Our Customer is a large international company that develops smart sleep-tracking devices.

Project

The project involves embedded software development for smart connected devices, with a focus on performance, reliability, and integration of modern communication and streaming technologies.

Requirements

• Strong Rust coding skills
• Good C coding skills
• Good understanding of WebRTC, WebSocket, and FFmpeg
• Knowledge of ESP 32 MCU, interfaces and protocols (UART, I2C, SPI, I2S)
• Experience with Linux OS
• Expertise in video transcoding (codecs such as H264, H265, MJPEG) and streaming (concepts such as NALU, AVCC, SPS, PPS, in the context of H.264)
• Knowledge of audio transcoding (codecs such as AAC, OPUS, PCM, G.711, G.722) and streaming (concepts such as DTX, PLC, in the context of OPUS)
• Experience in networking and IoT device development
• Experience in debugging and troubleshooting solutions for embedded systems, including software and hardware debugging
• At least an Upper-Intermediate level of English
• Would be a plus: Experience with С++ 14 standard or higher
• Practical experience with Bash and Python
• Knowledge of Google Protobuf protocols

Responsibilities

• Develop software components using Rust and C
• Contribute to the development of technical project documentation and user documentation
• Participate in conference calls and face-to-face meetings with the Customer and Customer partners
• Comply with the best engineering practices, technical standards, and quality criteria set forth on the project
• Report status and progress according to the project and company demands
• Identify current deficiencies in the development process, adopted procedures, engineering practices, environment configurations, etc., and suggest improvements
• Escalate technical issues to the Architect, Team Lead, and Project Manager
• Improve your skills within the areas of expertise by attending various training courses, seminars, and/or other educational organizations

We seek a skilled Rust Developer to join a live, actively developing crypto and FX trading platform. The platform specializes in high-frequency trading (HFT), low-latency applications, and real-time algorithmic trading.

Project Location & Timezone: Australia (UTC+10)
Project Age: 4 months (live and growing)
Methodology: Agile
Team Composition: DevOps Specialist, Cloud Engineer, Front-end Developer, Back-end Developer, 2 Full-stack Developers

Project Duration:
Expected for at least 6 months.

Why Join Us?
1. Work on high-performance systems in real algorithmic trading
You’ll contribute to building low-latency, high-throughput services in a real-world trading environment — ideal for engineers passionate about performance and finance.
2. Influence architecture with tech flexibility
There’s no rigid stack — you’ll have the freedom to choose tools, shape the backend architecture, and make meaningful technical decisions alongside the CTO.
3. Join a remote-first, globally distributed team
Enjoy flexible hours, close collaboration with experienced peers, and the chance to build real product features without micromanagement.

What We’re Looking For?
5+ years of professional software development experience
3+ years of hands-on experience with Rust
Upper-intermediate or higher level of English communication skills

 

If your experience matches these requirements, send us your resume — we’ll be happy to connect!

General requirements:

• 5+ years of professional experience in software engineering, ideally in product-focused or tech-driven companies.
• Strong experience in Rust, distributed systems, and backend application development.
• Experience with video and media files:
  • Experience processing video: rendering, trimming, transcoding, preview generation, metadata extraction, understanding video file formats and codecs.
  • Insight into the challenges of storing and streaming large media files efficiently.
  • Optimizing low-latency access and bandwidth efficiency.
  • Familiarity with ffmpeg-next, GStreamer, or similar tools.
• Understanding of designing and implementing APIs.
• Proficiency in working with relational databases. Experience with NoSQL databases is a plus.
• Familiarity with Git-based version control and agile methodologies.
• Ability to navigate ambiguity and deliver quality solutions under shifting priorities.

Will be a great plus:

• Experience with local and networked storage
  • Working with NAS, RAID, and network file systems (e.g., SMB, NFS).
  • Building systems that allow secure remote access to local file systems.
  • Experience optimizing read/write operations for large files across a network.
• Experience with distributed and hybrid architecture
  • Building solutions that split logic between local (on-prem) and cloud environments.
  • Syncing data between local storage and the cloud without full duplication.
  • Familiarity with architectures like P2P, edge computing, or remote mounting.
• Experience with networking
  • Implementing or optimizing custom data transfer protocols.
  • Understanding of NAT traversal, VPN, tunneling, and working across varied network conditions.
  • Building resilient systems that maintain performance over unstable or high-latency connections.
• Experience with media workflows or creative tools
  • Previous work on tools for video editors or content creators, understanding of creative pipelines.

Requirements:

• Project is CryptoBots development for Trading on the Stock Exchange
• Details will be shared after NDA
• 3-4+ years of experience with Rust is a MUST
  
   
  We offer:
• Cooperation with a stable company with well-established processes and a positive atmosphere
• Experience in project management of different levels of complexity, methodology, and approaches
• Flexible schedule: Mon-Fri (8 hours a day)
• 18 days of paid vacation; 15 days sick leave
• A decent level of remuneration with regular reviews of the results of cooperation

• Extensive loyalty program

   

Join a tech team that’s building a next-generation digital infrastructure to verify and monetize real-world impact. 

REQUIREMENTS:

MUST HAVE

• 5+ years of software engineering experience, with a strong command of blockchain development.
• Proficiency in Golang or Rust.
• Deep knowledge of blockchain architecture, smart contracts, and cryptographic principles.
• Solid foundation in JavaScript/TypeScript and fullstack development (both frontend and backend).
• Experience with cloud hosting, API integrations, databases, and GraphQL.

WILL BE A PLUS

• Familiarity with Cosmos SDK, CosmWasm, or other ecosystem-specific tooling.
• Understanding of zero-knowledge proofs (zkProof).

What You'll Be Doing

• Lead the architecture and implementation of core blockchain and cryptography modules.
• Design, build, and optimize smart contracts and decentralized APIs.
• Collaborate closely with the CTO and cross-functional teams to translate real-world needs into robust decentralized systems.
• Contribute to the continuous improvement of a production-grade platform used to track and tokenize measurable outcomes.
• Ensure high scalability, reliability, and security across services.
• Participate in code reviews, testing, and the deployment of cloud-hosted infrastructure.

ABOUT PROJECT

Our client is a Software company from Europe. 

PRODUCT

This platform merges Web3, decentralized identity, blockchain, and cryptographic technologies to support decentralized applications addressing social, environmental, and economic challenges.

The team works on a protocol that enables the creation and verification of tamper-proof digital credentials and the tokenization of outcome-based data. This technology powers a growing ecosystem of apps that bring transparency, accountability, and financial access to global development initiatives.

You’ll be contributing to a platform that’s already been deployed in collaboration with high-profile international organizations and is used across sectors such as clean energy, healthcare, education, and youth development.

STAGE

The active phase of development

Interview Stages

1. Call with Recruiter (30 minutes)
2. Interview with our Senior Engineer and Recruiter (1 hour)
3. Client intro call (30 minutes)
4. Technical and team fit interview with client (2 hours and 30 minutes)

Шукаємо у команду досвідченого Rust розробника. Якщо ви маєте бажання працювати в невеликому колективі разом із сильною командою, радо розглянемо ваш відгук! Націлені на довгострокову співпрацю з винагородою, що базуватиметься на вашому досвіді роботи.

Хто ми?

Out of the Box Systems - IT компанія, що спеціалізується на створенні високопродуктивних, безпечних та надійних програмних рішень. Ми створюємо софт для різних галузей промисловості, фінансів, охорони здоров’я, ігор; цінуємо свою репутацію і тому формуємо команду з найкращих спеціалістів. Більше про нас на сайті.

Завантаженість: повна зайнятість — 40 год/тиждень. Робота віддалена. Оплата погодинна.

Стек технологій | вимоги:

• 1+ рік комерційного досвіду backend розробки 
• 1+ рік досвіду роботи з Rust | Node.js | Python
• Досвід роботи з однією з хмарних платформ: GCP | AWS | Azure
• Досвід роботи з базами даних SQL: PostgreSQL, SQLite, CockroachDB, AWS Aurora, Google Spanner
• Досвід з базами даних NoSQL: ElasticSearch, Redis, Cassandra або MongoDB
• Знання ORM для баз даних: sqlx, diesel, tokio-postgres
• Знання Docker
• Глибоке розуміння сервісів та API firebase
• Розуміння принципів TDD та DDD  

Бажані знання | буде плюсом:

• Знання Kubernetes 
• Досвід запуску продукту від MVP до релізу
• Практика з CI/CD: GitHub Actions, Jenkins
• Знання фреймворків для роботи з даними: datafusion, polars

Вимоги до кандидата:

Англійська мова — Intermediate +

Уміння слідувати код конвенціям

Здатність вчитися

Здатність наполегливо працювати

Критичне мислення

Витривалість

Спроможність лаконічно та чітко пояснювати свою думку

Відданість нашим проектам

Прозорість

Що отримаєте:

Віддалені умови роботи (remote)

Удосконалення навичок планування та продуктивності

Робота у вимогливому, але дружньому середовищі серед А-гравців

Регулярний зворотній зв’язок і допомога в плануванні вашого навчального процесу та кар'єрного зростання

Незалежність від місцевого ринку та долучення до глобальної економіки

Підвищення рівня володіння англійською мовою

Регулярний перегляд ЗП

Корпоративні навчання та тренінги для постійного підвищення кваліфікації

Важливо: Якщо у вас немає достатньо знань для працевлаштування за цією вакансією, проте є бажання отримати практичний досвід, ви можете взяти участь у відборі на інтернатуру.
 

Company Description

Cyber Bee is a Web3 & Blockchain development company based in London (UK) that provides custom solutions for enterprises worldwide. With expertise in blockchain, custom software development, smart contracts, AI & ML, and DevOps, we offer innovative solutions tailored to various industries like Real Estate, Legal, Insurance, FinTech, Healthcare, and Logistics. Our team excels in developing effective tokenomics, establishing web3 ecosystems, and designing web3 solutions to empower businesses with cutting-edge technologies.

Our benefits include working with senior experienced developers, clean code, progress reporting, dedicated staging environment, on-demand services, and full cycle support. If you aim to integrate AI, ML, or blockchain into your business, our experts can help you strategize and implement bespoke solutions.

Role Description

This is a contract role for a Rust/Solana Developer at Cyber Bee located in the London Area, United Kingdom. As a developer, your day-to-day tasks will involve back-end web development, software development, programming, and object-oriented programming (OOP) to contribute to building Web3 ecosystems, DApps, DEXs, NFT marketplaces, and more.

Qualifications

• Computer Science and Software Development skills
• Back-End Web Development skills
• Programming and Object-Oriented Programming (OOP) skills
• Experience with Rust and Solana
• Knowledge of blockchain technology and smart contracts
• Ability to work collaboratively in a team environment
• Bachelor's or Master's degree in Computer Science or related field