Software Engineer
United States
Full time
Office
Compensation is not specified
Role
Software Engineer
Description
About Keyfactor
Our goal is to create a connected society founded on trust, providing identity-first security for both machines and humans. Keyfactor specializes in enabling organizations to swiftly establish digital trust at scale and uphold it over time. With extensive expertise in cybersecurity, we are trusted by over 1,500 businesses globally. We take pride in consistently being recognized as a top workplace, achieved through our exceptional workforce that nurtures our culture as we expand.
Location
United States; Cleveland, Ohio
Experience
Entry-Mid level
Employment Type
Full-Time
Industry
Computer and Network Security
Job Summary
As a Software Engineer at Keyfactor, you will collaborate within a team to deliver high-quality software solutions for the primary Keyfactor product suite. This role involves all stages of the software development lifecycle, from gathering requirements to development to deployment.
Applicants must be U.S. citizens.
Duties
- Develop new features and enhance existing product functionalities within the core Keyfactor product suite
- Actively participate in Agile SCRUM ceremonies and adhere to associated practices
- Collaborate with the business and engineering teams to collect requirements for product advancement
- Engage with other engineers and architects for code reviews and to address challenges jointly
- Contribute to requirements reviews; scrutinize system and business requirements for clarity, completeness, and accuracy
- Identify areas for enhancement within the team's employed processes
- Work closely with Quality Assurance Engineers for quality assurance practices to deliver top-notch products
- Assist the technical writer to ensure accurate and updated documentation
- Support the onboarding process for new team members
- Maintain a positive and professional demeanor in all work tasks
Skill Set and Requirements
Key Skills, Traits, and Abilities
Required (1-3 years):
- Proficiency in C#
- Experience with .NET MVC (Web site and API)
- Knowledge of JavaScript or JavaScript-based frameworks
- Familiarity with SQL-based relational databases
Preferred:
- Skill in Microsoft SQL Server™
- Experience working with Microsoft Visual Studio™
- Familiarity with Microsoft Azure DevOps™ or Jira
- Understanding of Agile SCRUM or similar methodologies
- Knowledge of node.js, Java™, Microsoft Entity Framework, Microsoft PowerShell™, Public-Key Infrastructure (PKI) or cryptography
Additional Considerations:
- Willingness to adapt and learn new technologies in a dynamic landscape
- Effective technical troubleshooting and problem-solving skills
- Strong time management, project management, and prioritization abilities
- Basic knowledge of Active Directory Certificate Services
- Willingness to be mentored and mentor others, fostering close collaboration within the team
- Strong interpersonal communication and writing proficiency
- Demonstrated potential for professional growth
Compensation
Salary will be based on experience.
Culture, Career Growth, and Benefits
We foster teams that continuously strive for improvement. You will face daily challenges while being presented with opportunities for personal and professional growth. We strike a balance between autonomy and structure, creating an entrepreneurial atmosphere to spark creativity and new ideas. Various initiatives distinguish our unique culture, such as Second Fridays (a company-wide day off), comprehensive benefit coverage, generous paid parental leave, and dedicated employee-focused ambassadors through Key Contributors & Culture Committees.
Core Values
Our core values are fundamental to how we operate and what we seek in all team members:
- Trust: We prioritize trust and openness in delivering security software and solutions to our clients.
- Customers: Operating with a customer-centric approach is central to our strategy.
- Innovation: We are committed to staying ahead of the innovation curve.
- Agility: We thrive in fast-paced and evolving environments while pursuing strategic goals.
- Respect: Respect and inclusivity unite us both in business and communities.
- Teamwork: Achieving our vision necessitates teamwork and unity.
Skills Required
Keyfactor
Website
www.keyfactor.comCompany size
Not specified
Location
United States
Description
Not specified
Michael Har
Junior / Middle Metaverse Developer (Unity / Web3 / VR)
Manzhouli, China
Manzhouli, China
Full time
Remote
We are looking for a Metaverse Developer to help build interactive virtual environments and immersive digital experiences. The role involves developing 3D worlds, integrating Web3 technologies, and working with modern tools for real-time applications.
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.
Payment in Crypto
Sirex
Junior/Mid Decentralized Infrastructure Engineer
Full time
Remote
Role:
Help build and scale decentralized infrastructure: contribute to compute networks, protocols, storage layers, and orchestration tools that power AI agents and open digital systems. You’ll write code, run tests, fix bugs, and ship real features fast.
Skills & Requirements:
1–3 years in blockchain infra, distributed systems, or high-scale compute (or strong personal projects)
Solid Python / Rust / Go skills
Interest in libp2p, IPFS, GPU orchestration, or decentralized compute
Quick learner who ships clean code and loves performance/cost challenges
Salary:
$110,000 – $165,000 USD base + meaningful equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug strong builders straight into our portfolio companies.
This is your chance to work on the real infrastructure behind autonomous agents and the open digital economy. Full support from the Sirex team, fast growth, zero bureaucracy.
High risk. Zero apologies.
Help build and scale decentralized infrastructure: contribute to compute networks, protocols, storage layers, and orchestration tools that power AI agents and open digital systems. You’ll write code, run tests, fix bugs, and ship real features fast.
Skills & Requirements:
1–3 years in blockchain infra, distributed systems, or high-scale compute (or strong personal projects)
Solid Python / Rust / Go skills
Interest in libp2p, IPFS, GPU orchestration, or decentralized compute
Quick learner who ships clean code and loves performance/cost challenges
Salary:
$110,000 – $165,000 USD base + meaningful equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug strong builders straight into our portfolio companies.
This is your chance to work on the real infrastructure behind autonomous agents and the open digital economy. Full support from the Sirex team, fast growth, zero bureaucracy.
High risk. Zero apologies.
Payment in Crypto
Neonflick
Web3 Fullstack Developer
Part time
Remote
🌐 About Us
Neonflick is a tech organization specializing in Web3 development.
We believe Web3 solutions are not as popular as they could be — mainly due to complexity. Our mission is to simplify the user experience and make decentralized technology more accessible and easy to use for everyone.
🚀 About the Role
We are looking for a Web3 Fullstack Developer who is passionate about decentralized technologies and excited to contribute to building meaningful Web3 products. You will work on developing new products, improving existing ones, and fixing bugs, all while proposing innovative ideas to enhance our platform.
🔹 Responsibilities
Develop functional and user-friendly Web3 products
Improve and optimize existing products and features
Identify and fix bugs or issues in the system
Propose and implement new ideas for product development
Collaborate with the team to ensure high-quality software delivery
🔹 Requirements
Strong interest in Web3 / blockchain / decentralized technologies
Fullstack development experience (frontend + backend)
Experience with smart contracts and decentralized frameworks is a plus
Problem-solving skills and attention to detail
Ability to work independently and proactively
🔹 What You Get
Early-stage involvement in a Web3 tech organization
Influence over product development and feature design
Opportunity to build experience and a portfolio in the Web3 space
Potential long-term collaboration and future compensation as the project grows
A chance to contribute to making Web3 simpler and more accessible
⚠️ Important
This is an unpaid position. We are looking for someone motivated by vision, learning, and long-term impact rather than immediate salary.
If you are passionate about Web3 and building meaningful decentralized products, we’d love to hear from you.
Neonflick is a tech organization specializing in Web3 development.
We believe Web3 solutions are not as popular as they could be — mainly due to complexity. Our mission is to simplify the user experience and make decentralized technology more accessible and easy to use for everyone.
🚀 About the Role
We are looking for a Web3 Fullstack Developer who is passionate about decentralized technologies and excited to contribute to building meaningful Web3 products. You will work on developing new products, improving existing ones, and fixing bugs, all while proposing innovative ideas to enhance our platform.
🔹 Responsibilities
Develop functional and user-friendly Web3 products
Improve and optimize existing products and features
Identify and fix bugs or issues in the system
Propose and implement new ideas for product development
Collaborate with the team to ensure high-quality software delivery
🔹 Requirements
Strong interest in Web3 / blockchain / decentralized technologies
Fullstack development experience (frontend + backend)
Experience with smart contracts and decentralized frameworks is a plus
Problem-solving skills and attention to detail
Ability to work independently and proactively
🔹 What You Get
Early-stage involvement in a Web3 tech organization
Influence over product development and feature design
Opportunity to build experience and a portfolio in the Web3 space
Potential long-term collaboration and future compensation as the project grows
A chance to contribute to making Web3 simpler and more accessible
⚠️ Important
This is an unpaid position. We are looking for someone motivated by vision, learning, and long-term impact rather than immediate salary.
If you are passionate about Web3 and building meaningful decentralized products, we’d love to hear from you.
Sirex
Junior AI Engineer
Full time
Remote
Role:
Join one of our fast-growing portfolio startups and help build simple AI features. You’ll work with large language models, create basic automations and chat tools, test ideas, fix small bugs, and integrate AI into everyday products.
Skills & Requirements:
0–2 years of experience (fresh graduates or self-taught welcome)
Basic Python knowledge
Interest in AI, LLMs or chatbots (personal projects are a big plus)
Quick learner who enjoys trying new things
Good English for team communication
Salary: $95,000 – $135,000 USD base + equity in the startup + full benefits
Description:
Sirex.vc not only invests — we actively help our portfolio companies hire great people. This Junior AI Engineer role is inside one of our AI-native startups. You’ll get real hands-on experience, learn from the best, and build things users actually use — all with full support from the Sirex team.
High risk. Zero apologies.
Join one of our fast-growing portfolio startups and help build simple AI features. You’ll work with large language models, create basic automations and chat tools, test ideas, fix small bugs, and integrate AI into everyday products.
Skills & Requirements:
0–2 years of experience (fresh graduates or self-taught welcome)
Basic Python knowledge
Interest in AI, LLMs or chatbots (personal projects are a big plus)
Quick learner who enjoys trying new things
Good English for team communication
Salary: $95,000 – $135,000 USD base + equity in the startup + full benefits
Description:
Sirex.vc not only invests — we actively help our portfolio companies hire great people. This Junior AI Engineer role is inside one of our AI-native startups. You’ll get real hands-on experience, learn from the best, and build things users actually use — all with full support from the Sirex team.
High risk. Zero apologies.
Payment in Crypto
Amir F
Full Stack Developer – Kick-to-Earn Gaming Platform
Istanbul, Türkiye
Istanbul, Türkiye
Full time
Remote
About the Project
We're building a mobile-first competitive gaming platform where players step onto the virtual field and earn rewards through penalty kick matches. The platform includes real-time gameplay, tournaments, leaderboards, an in-app store, token management (deposit/withdraw), daily quests, and a player progression system. Think casual gaming meets Web3 — fast, competitive, and rewarding.Current StateThe frontend is actively under development with a strong foundation already in place:
~30+ reusable UI components (modals, tabs, cards, buttons, inputs, badges, etc.)
Multiple feature modules: penalty game, tournaments, leaderboard, user profiles, store, token management
Figma-driven design system with a polished dark-themed UI
Animated goalkeeper characters using Lottie/dotLottie with SVG body parts
SPA routing and responsive mobile-first layouts
Tech Stack
Frontend: Next.js 16, React 19, TypeScript, Tailwind CSS 4
Animations: Lottie / dotLottie
Design Pipeline: Figma with MCP integration for design-to-code workflow
Tooling: ESLint, PostCSS, Turbopack
What You'll Do
Build and maintain frontend features with pixel-accurate implementation from Figma designs
Architect and develop backend services (APIs, authentication, game logic, matchmaking, token transactions)
Integrate blockchain/token functionality for the earn-and-spend economy
Design and manage the database layer (user data, match results, tournament state, transaction history)
Set up real-time infrastructure for live matches and leaderboard updates
Write clean, scalable TypeScript across the full stack
Collaborate closely with design to maintain high visual fidelity
Requirements
3+ years of production experience with React and Next.js
Strong TypeScript skills
Solid backend experience (Node.js, Express/Fastify/Hono, or similar)
Database design and management (PostgreSQL, MongoDB, or equivalent)
Experience building and consuming REST or GraphQL APIs
Understanding of real-time systems (WebSockets, SSE, or similar)
Proficiency with Tailwind CSS and responsive, mobile-first design
Comfort working from Figma designs with attention to detail
Nice to Have
Experience with Web3 / blockchain integrations (wallet connection, token transactions)
Familiarity with Lottie animations and interactive game-like UIs
Experience with matchmaking or game server architecture
Knowledge of payment/transaction systems
Experience with CI/CD pipelines and deployment (Vercel, Docker, etc.)
If you enjoy building products at the intersection of gaming and crypto, and you care about clean architecture and polished UI, we'd love to hear from you.Feel free to adjust the engagement type, compensation details, timezone preferences, and any company-specific info before posting.
We're building a mobile-first competitive gaming platform where players step onto the virtual field and earn rewards through penalty kick matches. The platform includes real-time gameplay, tournaments, leaderboards, an in-app store, token management (deposit/withdraw), daily quests, and a player progression system. Think casual gaming meets Web3 — fast, competitive, and rewarding.Current StateThe frontend is actively under development with a strong foundation already in place:
~30+ reusable UI components (modals, tabs, cards, buttons, inputs, badges, etc.)
Multiple feature modules: penalty game, tournaments, leaderboard, user profiles, store, token management
Figma-driven design system with a polished dark-themed UI
Animated goalkeeper characters using Lottie/dotLottie with SVG body parts
SPA routing and responsive mobile-first layouts
Tech Stack
Frontend: Next.js 16, React 19, TypeScript, Tailwind CSS 4
Animations: Lottie / dotLottie
Design Pipeline: Figma with MCP integration for design-to-code workflow
Tooling: ESLint, PostCSS, Turbopack
What You'll Do
Build and maintain frontend features with pixel-accurate implementation from Figma designs
Architect and develop backend services (APIs, authentication, game logic, matchmaking, token transactions)
Integrate blockchain/token functionality for the earn-and-spend economy
Design and manage the database layer (user data, match results, tournament state, transaction history)
Set up real-time infrastructure for live matches and leaderboard updates
Write clean, scalable TypeScript across the full stack
Collaborate closely with design to maintain high visual fidelity
Requirements
3+ years of production experience with React and Next.js
Strong TypeScript skills
Solid backend experience (Node.js, Express/Fastify/Hono, or similar)
Database design and management (PostgreSQL, MongoDB, or equivalent)
Experience building and consuming REST or GraphQL APIs
Understanding of real-time systems (WebSockets, SSE, or similar)
Proficiency with Tailwind CSS and responsive, mobile-first design
Comfort working from Figma designs with attention to detail
Nice to Have
Experience with Web3 / blockchain integrations (wallet connection, token transactions)
Familiarity with Lottie animations and interactive game-like UIs
Experience with matchmaking or game server architecture
Knowledge of payment/transaction systems
Experience with CI/CD pipelines and deployment (Vercel, Docker, etc.)
If you enjoy building products at the intersection of gaming and crypto, and you care about clean architecture and polished UI, we'd love to hear from you.Feel free to adjust the engagement type, compensation details, timezone preferences, and any company-specific info before posting.
Payment in Crypto