Senior Software Engineer – OpenCTI
Employment Information
Report this job
Job expired or something wrong with this job?
Job Description
Senior Software Engineer contributing to the development of OpenCTI's open-source cyber threat management platform. Involves collaboration across teams and mentoring engineering talent.
Responsibilities:
- Contribute actively to the OpenCTI codebase, with strong ownership of new features and continuous improvements.
- Identify, investigate, and resolve bugs.
- Participate in technical brainstorming and task refinement, challenging both new proposals and existing implementations.
- Take part in the on-call rotation and act proactively during incidents to drive resolution.
- Mentor junior and mid-level engineers, supporting their technical growth.
- Address technical debt and legacy pain points.
- Lead or facilitate technical workgroups to explore and align on engineering topics.
- Review pull requests from internal teams and the open-source community
- Contribute to documentation and the shared knowledge base.
Requirements:
- 7+ years of experience as a Software Engineer, with solid exposure to complex, production-grade systems.
- Strong proficiency in a modern JavaScript/TypeScript stack, including Node.js, React, GraphQL, and experience with data-oriented systems such as ElasticSearch.
- Comfortable working in a remote, async-first environment, with strong written communication skills.
- Proven ability to work autonomously, take ownership of technical topics, and drive initiatives from design to delivery.
- A collaborative mindset, with a strong sense of team spirit and a willingness to mentor and support less experienced engineers.
- Ability to challenge existing solutions, address technical debt, and contribute to long-term architectural improvements.
- Experience contributing to or working with open-source projects is a strong plus.
- Bonus: Prior exposure to cybersecurity, threat intelligence, or large-scale data platforms, and knowledge of Rust.
Benefits:
- Competitive pay + equity — everyone shares in our success
- Remote-first, flexible, and balanced — work that fits your life
- Your setup, your choice — pick the gear that works for you
Similar Jobs
Technical Lead – Cobol Programmer
Technical Lead overseeing COBOL development for DRAS at DFAS with responsibilities in team guidance, coding standards, and production support.
Junior–Mid Full Stack Engineer
Junior–Mid Full Stack Engineer developing a new Direct-to-Consumer AI product at Ruby Labs. Collaborating with senior engineers to implement features and maintain reliable systems.
Senior Software Engineer, Mobile
Senior Software Engineer (Mobile) responsible for guiding the technical implementation of a cross-platform React Native application. Develop key product features for a large-scale app used by field service technicians.
Salesforce Development Lead
Salesforce Development Lead managing technical Salesforce implementation projects for Niyam IT supporting FEMA. Overseeing development, configuration, and integration of Salesforce applications.
Full Stack Developer – Dynamics 365, Power Platform, Azure
Full-Stack Developer specializing in Microsoft Power Platform and Azure applications. Designing and supporting scalable enterprise applications utilizing Dynamics 365, Python, and React.
GTM Engineer, Healthcare
GTM Engineer building and operating AI-driven go-to-market workflows at Trase Systems. Focusing on pipeline and meetings through automated systems rather than traditional sales methods.
Senior Software Engineer, Full Stack
Software Engineer building AI powered applications on Genesys Cloud. Shape customer experiences by delivering solutions that handle operational challenges with AI.
Senior Engineer – Build Systems
Senior Engineer at teamLFG improving automated build systems using Unreal Engine 5 and C#. Collaborating with developers and managing cloud-based resources for game builds.
AI Product Engineer, Games
AI Product Engineer developing AI-native game experiences for a mobile games studio. Collaborating across the full development process to create engaging player experiences.
GTM Engineer
As a GTM Engineer, drive supply growth for Addi Marketplace using data-driven prospecting strategies. Collaborate with the Hunter team to optimize lead generation and conversion rates.
Software Engineer, Device Hardware
Engineer at Flock enabling faster device shipping by managing validation processes and tools for manufacturing. Contributes to a proactive safety technology platform supporting community security.
Software Engineer
Join Meadow as a mid-senior full-stack engineer focusing on internal tools and family experiences. Work within a small, senior team in the growing deathcare industry.
Senior Software Developer in Test, Remote
Senior Software Developer in Test developing AI-augmented quality engineering for Intrahealth’s electronic medical record platform. Leading QA infrastructure and automation efforts across modernization programs.
Senior Software Development Engineer
Senior Software Development Engineer at Verity Solutions building scalable software for pharmacy supply chain. Collaborating with product stakeholders and mentoring engineers while ensuring high-quality deployments.
Software Development Engineer
Software Development Engineer at Verity Solutions building scalable applications for medication purchasing. Collaborating with product and engineering teams to deliver value through modern technologies.
Full Stack Software Developer
Full Stack Software Developer enhancing SaaS products focused on industrial equipment at CPM Holdings. Collaborating with digital teams for innovative technology integration.
Lead Software Engineer
Lead Software Engineer developing scalable solutions for US Service Animals and Dog Academy. Leading and mentoring a team of developers for web and mobile applications.
Senior Full Stack Developer
Senior Full Stack Developer in a U.S.-based fintech platform modernizing lending and payments. Responsible for backend PHP development, API integrations, and AWS infrastructure management.
Staff Software Engineer – Product Engineering
Staff Software Engineer focusing on product engineering and innovative solutions at a remote-first company in the UK. Collaborate with a diverse team to tackle customer challenges and build impactful software.
Senior Software Engineer – Care Delivery
Senior Software Engineer developing backend services to enhance care delivery systems in healthcare technology company. Collaborating with cross-functional teams to build and scale digital first experiences for patients.