Backend Operations Support Engineer - Night Shift
Join our dynamic team focused on designing, developing, maintaining, and enhancing software for diverse venture projects connected to our core businesses. These projects are accelerated with lean teams and efficient strategies. You will play a crucial role in architecting components for scalable applications, spanning from frontend UI to backend frameworks.
Responsibilities:
- 1. Technical Development and Testing
a. Participate in requirements analysis, system design, and development tasks within the technical team.
b. Craft and refine integration tests to uphold software robustness and reliability.
c. Foster relationships with operation teams to optimize operational efficiency continuously.
- 2. Customer Support and Problem Resolution
a. Serve as the primary technical contact for resolving derivs trading project issues in production, leading root cause analysis and implementing effective solutions.
b. Engage with the CS team in daily operations, promptly addressing user issues and requirements.
c. Demonstrate deep understanding of derivs trading-related business services to promptly identify and address problems, working with relevant teams for solutions.
d. Document and analyze encountered problems, transforming them into business requirements to enhance product quality.
- 3. System Reliability and Maintenance
a. Work with the SRE team to establish effective monitoring and alerting mechanisms, identifying potential issues early to prevent system failures.
b. Develop upgrade and optimization plans to enhance system performance and reliability.
c. Coordinate with relevant teams in case of system failures to swiftly resolve issues, minimizing downtime impact on users.
- 4. Timezone: Primarily work in EST timezone with some overlap in the HKT timezone to support customers.
Requirements
- Over 5 years of DevOps experience, especially with AWS, Kubernetes, and CI/CD pipelines.
- Proficiency in Linux environments, relevant support tools, shell scripting, Ruby, Golang, and SQL technologies.
- Familiarity with monitoring and logging systems like Datadog, Sumologic, and OpenTelemetry.
- Knowledge of exchange platform domain and experience with GitOps using ArgoCD is beneficial.
- Strong problem-solving skills, proactively identifying and addressing issues.
- Detail-oriented with multitasking capabilities across multiple projects.
- Excellent communication skills to engage with technical and non-technical stakeholders.
- Proficiency in written and spoken English and Mandarin; Cantonese proficiency is advantageous.
- Willingness to work flexible hours, including US trading sessions.
- Positive and proactive attitude towards problem-solving.
Desired Skills
- Experience with version control systems and SDLC processes.
- Quick learner with the ability to adapt to new technologies.
- Previous experience managing software on AWS is a plus.
Life @
Empowered to think big and explore new opportunities in a supportive and ambitious team environment.
Encouraging a proactive work culture that nurtures innovative solutions.
Focus on personal and professional growth through skill development.
Collaborative team orientation towards achieving shared cryptocurrency adoption goals.
Work flexibility and growth opportunities through internal mobility programs.
Benefits include competitive salaries, attractive leave entitlements, and work perks like crypto.com visa cards.
Join us now to kickstart your future!
Note: Only shortlisted candidates will be contacted.
About Us:
Founded in 2016, Crypto.com is a leading global cryptocurrency platform with a commitment to advancing innovation and fostering digital ecosystem equity.
Junior/Mid Decentralized Infrastructure Engineer
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.
Senior Decentralized Infrastructure Engineer
Build and scale production-grade decentralized infrastructure: compute networks, protocols, storage layers, orchestration for AI workloads, and open-source primitives that power the next generation of agent systems.Skills &
Requirements:
4+ years in blockchain infra, distributed systems or high-scale compute
Deep experience with Rust / Go / C++ and protocols (libp2p, IPFS, custom consensus, GPU orchestration)
Bonus: self-hosted AI compute, decentralized training or edge inference
Ship fast, own uptime, love extreme performance and cost efficiency
Salary:
$175,000 – $255,000 USD base + big equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug elite builders straight into our fastest portfolio companies.
This is your chance to build the actual rails for autonomous agents and open digital economy at scale. Zero bureaucracy, maximum leverage.
High risk. Zero apologies.
Web3 Fullstack Developer
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.
Junior AI Engineer
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.
AI Agent Engineer
Join one of our high-conviction AI-native portfolio companies and build autonomous AI agents from the ground up. You’ll design agent architectures, implement tool-calling & memory systems, connect them to browsers/shell/APIs, run long-horizon tasks, and ship features that make the product feel alive and truly useful.
Skills & Requirements:
2–5 years building LLM-powered agents (LangGraph, CrewAI, ReAct, custom frameworks)
Strong Python skills + experience with tool calling, RAG, vector stores and evaluation
Bonus: familiarity with browser automation, self-hosted models or decentralized compute
Fast executor who loves shipping in ambiguity
Passion for agents that actually do real work (not just chat)
Salary: $160,000 – $230,000 USD base + meaningful equity (in the portfolio company) + full benefits + carry from Sirex network
Description:
Sirex.vc doesn’t only write checks — we actively help our portfolio companies recruit the best people on the planet. This AI Agent Engineer role is inside one of our fastest-moving startups building the next generation of autonomous agents. You’ll get direct support, intros, and operational help from the Sirex team while working on frontier technology that can change how the world uses AI.
High risk. Zero apologies.