Halcyon’s goal is to deliver an anti-ransomware solution that breaks new ground in what a security product can achieve. Aligned with this vision, we are seeking an experienced engineer to contribute to the development of our macOS agent. This agent combines macOS extensions with a user-level service written in Rust, C++, and Swift. By expanding platform support, we are ensuring our customers are further protected from ransomware threats. If you’re passionate about macOS security and want to make a real difference, we’d love to hear from you.

• Develop macOS-specific Security Extensions: Using Network Extensions and the Endpoint Security Framework.

• Design Agent Functionality for macOS: Handle packaging, installation, secure updates, and system integration for endpoint agents.

• Cross-Platform Code Contribution: Work with multi-platform logic in Rust for a user-level service alongside macOS-specific code.

• Debugging & Optimization: Use logs, debuggers, and profiling tools to analyze performance and correct behavior.

• Test & Maintain Code Quality: Write unit and integration tests, adhering to consistent coding style and architecture.

• Team Collaboration: Communicate effectively across teams to ensure interoperability with other components and alignment with architectural goals.

• Ability to develop high-quality code in Swift and C++

• Experience with macOS extensions in an endpoint security product (e.g., EndpointSecurity, NetworkExtensions)

• Experience developing and shipping production software for macOS

• Familiarity with SQL

• Experience developing in Rust and handling interoperability between Rust and Swift

• Experience distributing macOS applications using .pkg and .dmg

• Knowledge and experience with Rust crates such as threading, async, and Tokio

• Experience working with SQL

Halcyon offers the following benefits to eligible employees:

• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.

• 401k plan with a generous employer contribution.

• Short and long-term disability coverage, basic life and AD&D insurance plans.

• Medical and dependent care FSA options.

• Flexible PTO policy.

• Parental leave.

• Generous equity offering.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.​

Base Salary Range: $180,000 - $240,000

Bonus Range: 10%

• Participate as a crucial member of a small, full-stack team
• Work with a strong level of C# .Net Core and .Net Framework experience
• Work with a strong level of MSSQL experience
• Work with your team to develop/improve new and existing applications built using Microservices with RESTful interfaces using C# and .NET Core, and User interfaces using React, Redux, Typescript and/or React Native (mobile)
• Work in docker container environment
• Embrace agile principles of transparency, cooperation, and rapid iteration
• Break complex features into manageable, reviewable, shippable pieces
• Communicate clearly with engineers and non-engineers about what we're building
• Uncover, diagnose and resolve issues methodically; not necessarily by trial-and-error
• Use the tools of contemporary back-end engineering, like project boards, source control, package managers, build systems, command-line interfaces, and network request tools
• Understand the technologies and concepts behind what we do, like HTTP, REST, and how browsers work
• Constructively and attentively review pull requests and have his or hers reviewed
• Produce code that is consistent, readable, and maintainable by others
• Write meaningful, efficient tests for important parts of an application
• Cultivating a culture of API, cloud services, and micro services across the organization

• Strong level of experience using C# .Net Core and .Net Framework
• Strong level of MSSQL experience
• Microservices with RESTful interfaces using C# and .NET Core 
• React, Redux, Typescript and/or React Native (mobile)

• A response to your application within 15 working days
• An interview process consisting of:
• An initial discovery call with the recruiter
• A first stage interview via Microsoft Teams 
• Additional interview with the stakeholders you’ll be working with closely in the role

Join the team behind one of the world’s leading open-source file sync and collaboration platforms.

At Nextcloud, we empower users to take control of their data — securely, privately, and transparently. With a distributed team of 140 across 24 countries, we work remotely and foster a collaborative, trust-based culture built around our commitment to open source and digital sovereignty.

We’re looking for a passionate and skilled macOS Desktop Engineer to help
shape the future of our Desktop Client — a core product relied on by millions of users worldwide. As part of our Desktop team, you’ll play a key role in building privacy-respecting, reliable, and high-performance sync software on macOS.

• Improve and maintain the Qt/C++ cross-platform desktop sync client.
• Develop macOS-specific extensions using Swift and Objective-C++ (File Provider, AppKit).
• Troubleshoot and resolve complex sync issues across diverse systems.
• Participate in code reviews, community forums, and open-source development
  processes.
• Collaborate with fellow developers, designers, and community members across time zones.
• Contribute to the evolution of a secure and user-respecting alternative to
  proprietary cloud services.

• Proven experience with Swift, C++, and Objective-C++ (non-ARC).
• Solid grasp of Qt, AppKit, FileProvider, and Finder Sync.
• Familiarity with Xcode, CMake, Git, GitHub (PHP is a plus).
• Strong understanding of multithreading and concurrency (GCD, Swift Concurrency).
• Knowledge of macOS internals including launchd, fileproviderd, code signing,
  and app distribution.
• Comfort working independently in a remote, open-source team.
• Proficiency in English is required; additional languages are a plus.

Nice to have

• Experience with Realm or other embedded databases.
• Background in cloud storage, file sync, or secure application development.
• Contributions to open-source projects or active participation in relevant
  communities.

• Ein internationales Team mit viel Herzblut für die Philosophie von Open-Source
• Ein innovatives Produkt, das Millionen von Nutzern weltweit begeistert
• Attraktive Vergütung und flexible Arbeitszeiten
• Zeit für persönliche Entwicklung und ein jährliches Budget für Weiterbildung
• Entwicklungsmöglichkeiten und Perspektive für die Zukunft

We are looking for somebody with ambition and drive who would like to grow and learn. That means that if you don’t fulfill the requirements yet but want to learn, apply!

Nextcloud Hub is the industry-leading, fully open-source, on-premises content collaboration platform. Teams access, share and edit their documents, chat and participate in video calls and manage their mail and calendar and projects across mobile, desktop and web interfaces.

Hello!

We are looking for a Senior Frontend Developer to join our tech team and play a key role in enhancing our product and elevating the user experience. 

Work format: Possibility to work fully remotely or from our offices in Warsaw or Kyiv

About us:

• We are a mobile and web application (www.ohayu.com) that enables easy and fast purchases of mobile data packages in any country in the world, leveraging eSIM technology;
• Our product allows seamless use of internet services while traveling at rates much lower than roaming and without having to search for local operators or purchase physical SIM cards.

Your tasks:

• Take ownership of the overall frontend architecture and scalability;
• Collaborate closely with the design team to translate Figma designs into high-quality, responsive user interfaces;
• Optimize website performance, speed, and accessibility across devices and browsers;
• Implement fast, iterative changes to support A/B testing and continuous UX improvement;
• Mentor and support other frontend developers, conducting code reviews and sharing knowledge.

About you:

• 7+ years of JavaScript experience;
• 5+ years of React experience;
• 4+ years of Next.js experience;
• 3+ years of Typescript experience
• Strong proficiency with the Vite ecosystem and modern build tools;
• Great knowledge of Crash Analysis Tools and Production Management;
• Independence at work, full ownership of tasks, mentoring and brainstorming skills;
• At least intermediate English level (all work communication in English).

Nice to have:

• Familiarity with styled-components or other CSS-in-JS libraries.

Why to join us:

• Building product-driven application with a strong emphasis on UX/UI;
• Startup environment, where your ideas are valued, and you have the freedom to innovate and take full ownership;
• Be part of a groundbreaking venture in the rapidly evolving field of eSIM technology, shaping the future of connectivity and mobile devices.

Join us in reshaping the future of connectivity.

• Serve as a technical leader on our most demanding, cross-functional projects
• Functionally decompose complex problems into simple, straight-forward solutions
• Build enterprise grade scalable systems
• Solve challenging distributed systems problems and work with modern cloud infrastructure (AWS, Kubernetes)
• Influence technical direction of the group towards creating a comprehensive service-oriented architecture
• Guide and mentor team members regarding architecture and best practices
• Review, influence, and coach team on project designs
• Forge strong partnership with product management, UX, and other key areas of the business
• Drive the strategic integration of sophisticated AI capabilities into complex multi-system architectures, defining patterns and best practices, serving as a thought leader who identifies and leads AI initiatives to address technical challenges and improve productivity across groups.
•  

• 10+ years software development experience building highly scalable, highly available applications
• 10+ years of programming experience with full stack technologies such Java, Kotlin or TypeScript
• 2+ years of experience with cloud technologies (AWS, Azure, etc.)
• Experience developing, documenting, and supporting REST APIs
• 1.5+ years experience designing, building, and maintaining AI-augmented features for enterprise SaaS products
• A degree in Computer Science, Engineering, or a related field or equivalent practical experience.
• Legally eligible to work in the U.S. on an ongoing basis

Software Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we’re always on the lookout for talented people who bring passion and creativity to every project. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

Project – the aim you’ll have

You will be part of an agile team that includes Polish and British developers and testers who deliver, rebuild and extend an existing IT ecosystem for a company in the travel industry. You will be engaged in adding new features, rebuilding existing solutions and proposing a new architecture. Your work will involve digital transformation initiatives, existing platform evolution, digital, web and mobile development and tech debt removal. Work will be divided between 4-5 teams, with each concentrating on a specific area.

Position – how you’ll contribute

• Developing new functionalities and maintaining existing ones
• Working with the team of the fronted developers
• Performing code reviews · Participating in creating product architecture
• Supporting the development team through exchanging knowledge and skills
• Collaborating closely with testers (QAs), business analysts, product owner, and scrum master

Expectations – the experience you need

• At least 3-4 years of experience as a Software Engineer
• Very good knowledge of Angular (12+), Javascript, Typescript, CSS, GIT
• Fluency with web technology: HTML, CSS3
• Practice creating front- end components libraries
• Experience with unit and integration tests (Jest, Jasmine, Karma, Protractor)
• Good understanding of best development practices, code quality and, experience with code reviews
• Very good knowledge of design patterns
• Grasp of website availability

Additional skills – the edge you have

• Experience using AzureDevOps tools
• Knowledge of state management systems such as NgRx, or other Redux pattern library

Our offer – professional development, personal growth  

• Flexible employment and remote work  
• International projects with leading global clients 
• Non-corporate atmosphere 
• Language classes 
• Internal & external training 
• Private healthcare and insurance  
• Multisport card 
• Well-being initiatives 

Position at: Software Mind Poland

We’re growing and we are looking to add a Solutions Engineer - Data Cloud to our fast-paced and customer-oriented Product and Technology team. This is the perfect role for someone who wants to connect the dots between technology, data, and customer needs to activate impactful data solutions.

Our team thrives in a fast-paced, customer-centric environment, always pushing the boundaries of data and technology. As a remote-first company, we value flexibility, collaboration, and the drive to solve complex problems, embracing constraints to foster creativity. Working in smaller, focused pods, we tackle innovative projects in Amazon competitive intelligence with a scrappy mindset.

Location: We’re remote-first and looking to hire between the PST–EST time zones in Canada (excluding Quebec).

Interested in learning more? Let’s get into the details:

Day in the life of a Solutions Engineer:

• Support Product, Customer Success, Professional Services on customer calls to understand core needs and develop solution specifications
• Present technical solutions to non-technical stakeholders 
• Build data solutions from a provided specification
• QA a custom dataset that you’ve built for a customer
• Collaborate with engineering and data teams as needed to resolve questions; troubleshoot an anomaly in the data a customer is receiving
• Create queries, reports, and internal dashboards to illustrate the value of Jungle Scout’s data for sales enablement
• Collaborate with Customer Success, Customer Support, and Professional Services to manage customer timelines and support onboarding processes
• Support the creation of onboarding guides, FAQs, queries, and other materials to accelerate customer enablement
• Connect with the team through a combination of scrum meetings and Slack updates.
• Bonus: Collaborate with with engineering and data teams to create delivery pipelines for custom data

Who you are:

• Customer-Facing Data Expert. You have 3+ years of experience working directly with customers to implement or integrate data solutions.
• Experienced Data Integrator. You bring extensive hands-on experience with data integration, analysis, and building pipelines.
• Creative Problem Solver. You love digging into complex challenges and designing practical solutions that make sense.
• Strong Communicator. You can explain data concepts clearly to non-technical stakeholders and collaborate across teams.
• Skilled in SQL and Python. You write clean, efficient SQL and use Python for data automation and analysis.
• Tech-Savvy. You’re comfortable working with modern data stacks—data lakes, cloud warehouses, BI tools, and integration platforms.
• Reliable Multi-Tasker. You’re able to manage multiple projects and timelines with strong attention to detail.
• Customer-First Thinker. You stay focused on how your work delivers value and insights to customers.
• Quality-Oriented Contributor. You hold a high bar for your work and take ownership of its impact.
• Continuous Improver. You embrace feedback, raise standards, and push for better ways of working.

Must Have Technical Skills:

• Expertise in SQL for data analysis
• Experience with Python for data analysis and automation
• Experience building and troubleshooting ETL and data pipelines
• Experience working with Data Lakes (S3/Glue preferred)
• Experience with modern data warehouses like Snowflake, Redshift, BigQuery
• Experience with reporting infrastructure (Tableau, PowerBI, Looker, etc)
• Experience with common data integration patterns and systems (FTP, S3, Snowflake, GCP Filestore, Azure Blog Storage)
• Experience with a BI Tool (Tableau, Looker, PowerBI, etc)

Bonus Points:

• Experience in Ecommerce

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for an AI Solution Architect in Anywhere.

We are seeking an AI Solution Architect to lead the integration of advanced artificial intelligence technologies into our existing technology stack. In this role, you will research, prototype, and implement AI tools that drive innovation and deliver measurable business value. You will collaborate closely with engineering, product, and operations teams to identify impactful AI use cases and develop scalable, production-ready solutions. The ideal candidate combines deep technical expertise with a passion for sharing knowledge by creating internal documentation, standards, and training programs. This position offers the chance to influence AI architecture and foster AI fluency across the organization.

Accountabilities:

• Research, prototype, and implement state-of-the-art AI technologies including large language models, vector databases, and agent frameworks
• Design, develop, test, and deploy scalable AI-powered features and solutions
• Collaborate cross-functionally to identify and prioritize AI-driven opportunities
• Define and establish best practices, internal standards, and frameworks for responsible AI development
• Lead workshops, mentor engineers, and promote AI education across teams
• Influence architectural decisions to ensure robust, cost-effective AI infrastructure
• Optimize AI model deployment strategies balancing cost and performance

Requirements

• Proven experience delivering AI-powered features with real business impact
• Hands-on expertise with leading AI tools such as LLM APIs (OpenAI, Anthropic), orchestration frameworks (LangChain, LlamaIndex), vector search (FAISS, Pinecone), and agent systems
• Strong programming skills in languages suited for AI development, especially Python
• Experience designing and deploying end-to-end machine learning or AI systems
• Comfortable working in ambiguous environments, prototyping rapidly with evolving tools
• Passion for documentation, knowledge sharing, and mentoring others
• Strong systems thinking and ability to translate business needs into AI solutions
• Creative, pragmatic, and execution-focused mindset
• Startup experience is a strong plus
• Open to candidates with diverse backgrounds who demonstrate curiosity, drive, and purpose

Benefits

• Competitive salary ranging from $60,000 to $100,000 USD annually, depending on experience and location
• Generous paid time off including company holidays
• Fully remote work – operate from anywhere in the world
• Opportunity to work with cutting-edge AI technology in a fast-growing industry

Jobgether Hiring Process Disclaimer

This job is posted on behalf of one of our partner companies. If you choose to apply, your application will go through our AI-powered 3-step screening process, where we automatically select the 5 best candidates.

Our AI thoroughly analyzes every line of your CV and LinkedIn profile to assess your fit for the role, evaluating each experience in detail. When needed, our team may also conduct a manual review to ensure only the most relevant candidates are considered.

Our process is fair, unbiased, and based solely on qualifications and relevance to the job. Only the best-matching candidates will be selected for the next round.

If you are among the top 5 candidates, you will be notified within 7 days.
If you do not receive feedback after 7 days, it means you were not selected. However, if you wish, we may consider your profile for other similar opportunities that better match your experience.

Thank you for your interest!

#LI-CL1

Role

We are seeking an experienced Software Engineer to join our dynamic team at Clarity Innovations. In this role, you will play a pivotal part in developing innovative products and contributing to the success of our projects

The individual will be responsible for creating mobile and web MVP solutions, including designing front-end applications, implementing security standards, and updating software databases, all under the guidance of the assigned Product Owner. The individual MUST have strong experience in developing full-stack applications, with a particular focus on front-end development, building intuitive user interfaces, integrating with back-end services, and ensuring a seamless user experience across web applications. Additionally, the individual SHALL proactively recommend and implement improvements to existing software applications as needed.

Responsibilities

• Develops, and tests software for Air Force-based products. 
• Develops both front-end and back-end of software MVPs, components, and tools that can be leveraged to create new mobile and web applications. 
• Collaborate in formulating strategies for rapid MVP development, ensuring efficient and scalable solutions that align with project goals and timelines
• Will adhere to plans, road maps, software design strategies. Helps to design and develop software requirements for Air Force based products including the software architectures, APIs, frameworks, and libraries. 
• Analyzes and decomposes activities and requirements to software designs that are allocated across systems components/sub-components, classification system levels, etc. 
• Works with Product Managers, UX Designers and other engineers to help in composing cohesive and sound software designs that form the basis of scalable software solutions. 
• Helps to optimize software designs and architectures to deliver desired performance targets. Captures, develops, and reports reference architectures and documenting compliance standards.  
• Junior engineers SHALL be proficient in discussing future limitations and a forward-thinking approach in resolving roadblocks presented by current strategy 
• Stays informed on latest software architectures and trends from design patterns to DevSecOps and systems architecture patterns. 
• Aids in making technical decisions in order to integrate systems to the cloud 
• Optimizes software designs and architectures to deliver desired performance targets and devises tooling and methodologies to profile execution and capture performance metrics. 
• Implements and practices DevOps Enablement and helps more junior/less experienced developers to do same 
• Is a mentor to other engineers regarding troubleshooting techniques, design patterns, and testing strategies. 

Requirements

• Experience building modern front-end applications using frameworks like React.js, Node.js, and other JavaScript frameworks (e.g., Vue, Angular), or equivalent experience.
• Experience integrating web applications with GraphQL and/or REST APIs
• Be a hands-on engineer spending significant percentage of their time writing code or debugging tricky issues
• Knowledge of professional software engineering practices for the full software development life cycle including coding standards, code reviews, source control management, build processes, testing, and operations
• Proficiency in Computer Science fundamentals – object-oriented design, data structures, algorithm -design, problem solving, and complexity analysis.
• Proficiency with JavaScript, Java, and preferably one more programming language (Python, etc.)
• Proficiency with container technologies such as Docker or Kubernetes
• MUST be eligible to obtain a minimum of a Secret clearance.
• Required: Strong communication/general soft skills
• Excellent time management and organizational skills
• Proven ability to work effectively with remote development teams

Preferred Qualifications

• Bachelor's degree in Computer Science, Computer Information Systems, or related field, or equivalent experience. 
• Familiarity with DevSecOps tools and processes such as Git, Concourse, GitLabCI, SonarQube, Fortify, and ThreadFix
• Familiarity with SQL/NoSQL databases
• Experience with Scrum, or other agile methodologies
• Experience with Typescript
• Experience with backend runtimes and frameworks like Node.js, Spring, Spring Boot, Django, Flask, etc.
• Experience authoring experience in Javascript, Java, or other languages. (Unit tests, Integration tests, and Journey tests)
• SHALL conduct themselves at all times in a professional and respectful manner
• SHALL give and receive feedback in a respectful and professional manner 
• SHALL be a “team player” and contribute to “can-do” culture
• SHALL be eager to learn and be mentored by more senior engineers

We are an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.