Candidates 5
$5000 / mo
≈ $60000 / year net
Senior Java developer
Poland · 4 years of experience · Upper-Intermediate ·Published yesterday · In passive search
Poland · 4 years of experience · Upper-Intermediate ·Published yesterday · In passive search
- Developing features & supporting big payroll system using (Spring, SAML, db-scheduler, Hazelcast, Elastic search, REST)
- Development Spring-based back-end solution for configuration management
- Developing extensions for Android applications
- Working on HAL wrapper for Android (Java)
Related non-Java experience:
- Developing Cross-platform GUI applications using Rust (Tauri)
- Developing IDE-like applications (Java/C++/Qt) for driver configuration management
- Developing Android build system utilities (Python)
- Writing parser for custom markup languages (Python)
- Rabbit hole of C/C++ embedded experience
- Integrated, customized and adopted database scheduling system, significantly enhancing both infrastructure management and business operations within the cluster.
- Successfully integrated SAML SSO login, resulting in a notable increase in customer acquisition.
- Effectively trained newcomers during a critical growth phase, ensuring swift adaptation and project continuity.
- Led a product subdomain including managing a small team
Team: well-balanced self-sustaining team with well-organized processes (Scrum-based)
Project: healthy Work/Life balance, may consider business trips to the customer's facility
DON'T propose russian speaking international teams. From 24.02.2023 I don't know russian
$6300 / mo
≈ $75600 / year net
Sr. React Native Mobile Engineer
Poland · 6 years of experience · Upper-Intermediate ·Published 9 April · In passive search
Poland · 6 years of experience · Upper-Intermediate ·Published 9 April · In passive search
7 years of experience
native modules, turbo modules
c++, rust
This product was designed for large-scale companies to manage hierarchical team structures - from top management to entry-level office workers operating in diverse time zones, tracking KPI's
Key Responsibilities:
- Solely developed and managed both Android and iOS versions of a mobile application, along with a web admin panel initially for internal use, later extended to clients' teams' supervisors.
- Actively participated in the planning of key features, contributing numerous ideas that were integrated into the app.
- Directly communicated with clients, addressing their needs and feedback, and managing app releases in stores.
$5000 / mo
≈ $60000 / year net
Senior Rust engineer
Poland · 8 years of experience · Upper-Intermediate ·Published 4 April
Poland · 8 years of experience · Upper-Intermediate ·Published 4 April
Projects:
Rust project(NDA) at Yalantis:
Spearheaded the research and development of a mobile SDK, serving as a pivotal service operating at the mobile edge, facilitating seamless communication between the mobile frontend and underlying business logic. Built a Rust framework that significantly streamlined the implementation process of complex business logic, drawing inspiration from CQRS (Command Query Responsibility Segregation) and Event Sourcing paradigms. Provided support and guidance to the business logic team, offering expertise and assistance on topics directly related to the Rust framework, fostering collaboration, and ensuring alignment between technical implementation and business requirements.
Reservoir modeling simulator at Stone Ridge Technology:
Worked in a team responsible for the visualizer for the company's reservoir modeling simulator, focusing on key components such as the renderer, shaders, and specialized data structures for rendering geological data. Designed and implemented cross-platform utilities to manage the modularity of the complex project, enhancing development efficiency and maintainability. Took charge of project building, testing, and continuous integration processes, ensuring the reliability and stability of the visualizer and its seamless integration. Collaborated closely with team to understand requirements and refine specifications, playing a pivotal role in contributing to the successful delivery of a highly functional and user-friendly visualizer tool.
Mapping software:
Collaborated within a team responsible for the development and optimization of the WebGL module for mapping software, contributing to enhancing its performance and functionality. Conducted optimization efforts on existing solutions within the WebGL module, implementing strategies to improve efficiency and effectiveness. Played a v
Open source:
End-to-end development of a complex web-based project and open-source tools of general purpose for solving problems.
I have actively participated in co-organizing Rust workshops and community events.
Utilized the power of Rust procedural macros to drastically reduce development time of business logic.
$9000 / mo
≈ $108000 / year net
Team Lead
Poland · 8 years of experience · Upper-Intermediate ·Published 19 March
Poland · 8 years of experience · Upper-Intermediate ·Published 19 March
Has substantial experience in defining non-functional requirements (NFRs) and quality attributes, ensuring systems not only meet their intended functionality but also adhere to high standards of performance, reliability, and maintainability. Provides meticulous trade-off and risk assessment, enabling the identification and mitigation of potential issues early in the project lifecycle. He also has experience designing comprehensive business, data, and application architectures, laying the foundation for scalable and robust systems. Possesses expertise in developing technical roadmaps and analyzing 3rd-party services for integration to build cost-effective systems in a short time.
Well versed in building projects with CQRT+EventSouring architecture from scratch and using GraphQL for API design. Proficient at designing and implementing the CQRS+EventSouring framework using Rust and metaprogramming.
- Rust web frameworks: development in 2023
- Go vs Rust: How can you determine which language is better for your next project?
- Rust for IoT( Ukrainian )
- Usage of K8S for orchestration of devices in edge computing(Ukrainian)
Speaker at WeAreDevelopers Rust Day with the topic: "Crafting Custom Frameworks with Rust: A Deep Dive into Procedural Macros"
Speaker at Yalantis Events with the topic: Rust for IoT solutions
Speaker at Rust Ukraine Conference with the topic: "Rust Compiler: Representation of Generator Type"
$5000 / mo
≈ $60000 / year net
C/C++ developer
Poland · More than 10 years of experience · Advanced/Fluent ·Published 12 March
Poland · More than 10 years of experience · Advanced/Fluent ·Published 12 March
• built the product from the ground up; went through several iterations over a few months: from quick prototypes on Python/ElectronJS to a production-ready architecture;
• working on semantic search on the edge (private data, local devices), using LLM/sentence transformers.
[2019 .. 2023] Software Engineer, Logitech (Newark, CA, US)
• we designed a software system reliably serving customers from Fortune 100;
• owned the client-side backend for Logitech Tune (Windows/macOS desktop application); participate in decision making on API and system architecture, while
being a point of contact for technical questions and communicating with the outside vendors / internal teams.
[2021] Software Engineer, Synth (now Shuttle, YC S20, London, UK)
• joined the company as a first employee; we were hacking fast and implementing ideas overnight;
• as a Rust engineer, owned multiple subprojects within data generation engine;
• worked directly with the founding team and taken part in decision making on engineering, market research and strategy.
[2017 .. 2019] Software Engineer, COMODO (Odesa, UA)
• written software deployed on 20M+ computers worldwide;
• development of antiviral scan engine (malware unpacker, virtual machine, dynamic code translator);
• reverse engineering, design and implementation of a low-level system monitoring library;
• worked closely with the security team on detecting attempts to exploit security vulnerabilities;
• worked on a runtime unpacker of Windows executable modules.
[2014 .. 2016] Software Engineer
• dozens of projects at VWorker, Elance, Freelancer.com; mostly in system programming and security fields;
• algorithmic programming; participated in ACM/ICPC contests.
[2012 .. 2014] Software Engineer, HeuLab (Singapore)
• development of a network traffic analysis / filtration system, including implementation of a WinSock/LSP proxifier;
• desined and implemented the entire client-side part of a Parental Control System for Windows.