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Loblaw Companies Limited Jobs overseas

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Chain Protocol Engineer at Hyphen Connect Limited
, , Singapore - Full Time
Skills Needed
Go, Rust, Blockchain, Zero Knowledge Proofs, Identity Standards, Cross Chain, Database Tuning, Systems Engineering, Performance Tuning, Security Practices, Testing, Documentation, Client Internals, Decentralized Storage, Observability, Credential Verification
Specialization
Candidates should have strong systems engineering skills in Go or Rust, with experience in building backend or protocol-adjacent infrastructure. Familiarity with blockchain client internals and sound engineering practices is essential.
Experience Required
Minimum 2 year(s)
Chain Protocol Engineer at Hyphen Connect Limited
, Hong Kong, China - Full Time
Skills Needed
Go, Rust, Concurrency, Performance Tuning, Blockchain, Web3, Zero Knowledge Proofs, Identity Standards, Cross Chain, Database Tuning, Open Source Contributions, Testing, Security, Client Internals, Rpcs, Observability
Specialization
Candidates should have strong systems engineering skills in Go or Rust, with experience in building backend or protocol-adjacent infrastructure. Familiarity with blockchain client internals and sound engineering practices is essential.
Experience Required
Minimum 2 year(s)
Senior QA Lead at Hyphen Connect Limited
, , Singapore - Full Time
Skills Needed
Quality Assurance, Test Strategy, Risk Based Testing, Requirements Analysis, Release Management, Test Automation, Ci/Cd, Version Control, Web Architectures, Apis, Microservices, Cloud Environments, Performance Testing, Security Testing, Communication, Stakeholder Management
Specialization
Candidates should have 7+ years in QA roles, with at least 2 years in a leadership position. Strong expertise in test strategy, automation frameworks, and CI/CD practices is required.
Experience Required
Minimum 5 year(s)
Senior QA Lead at Hyphen Connect Limited
, Hong Kong, China - Full Time
Skills Needed
Quality Assurance, Test Strategy, Risk Based Testing, Requirements Analysis, Release Management, Test Automation, Ci/Cd, Version Control, Web Architectures, Apis, Microservices, Cloud Environments, Performance Testing, Security Testing, Communication, Stakeholder Management
Specialization
Candidates should have 7+ years in QA roles, with at least 2 years in a leadership position. Strong expertise in test automation frameworks and CI/CD practices is essential.
Experience Required
Minimum 5 year(s)
Digital Asset Operations Associate at Animoca Brands Limited
, Hong Kong, China - Full Time
Skills Needed
Blockchain Technology, Digital Assets, Cryptocurrency Exchanges, Crypto Regulations, Analytical Skills, Problem Solving Skills, Attention To Detail, Communication Skills, Interpersonal Skills, Operational Efficiency, Risk Management, Compliance, Asset Tracking, Process Improvement, Industry Research, Technical Troubleshooting
Specialization
Candidates should have a bachelor's degree in a relevant field and proven experience in digital asset operations. In-depth knowledge of blockchain technology and strong analytical skills are essential.
Experience Required
Minimum 2 year(s)
Soldering Technician at JLA Technology Limited
ND8, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Experience Required
Minimum 2 year(s)
ICT Executive Multimedia AV at ECOITS PRIVATE LIMITED
Singapore, , Singapore - Full Time
Skills Needed
Workshops, Video Production
Qualification
Graduate
Pharmacy Assistant (Clinical Trials) - fixed term contract 6 months at hVIVO Services Limited
London, England, United Kingdom - Full Time
Skills Needed
Clinical Research, Preparation
Qualification
Graduate
Loader Operator at Casey Concrete Limited
Truro, NS B2N 1E9, Canada - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
CDP & Senior Chef at Rio Steakhouse Limited
Middlesbrough TS1, England, United Kingdom - Full Time
Skills Needed
American Cuisine
Qualification
Graduate
Experience Required
Minimum 2 year(s)
Hotel Receptionist at Redwings Lodge Limited
WW4, , United Kingdom - Full Time
Skills Needed
Customer Service
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Adult ADHD Psychiatrist at Staff Partners Limited
Remote, Scotland, United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Technical Support & Regulatory Specialist - Chemicals & Lubricants at GBR Technology Limited
Silchester RG7, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Personal Training & Gym Coaching on Your Terms - Set Your Own Rates, Choose at Trusted People Limited
Billingham TS23, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Senior Support Worker at SNG Healthcare Limited
Hazel Grove, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Diploma
Electrician at KUOK SINGAPORE LIMITED
Singapore 638722, , Singapore - Full Time
Skills Needed
Materials, Electrical Work, Electrical Theory, Heavy Industry
Qualification
Graduate
Experience Required
Minimum 3 year(s)
Weekend Excavator Operator at Dandys Chester Limited
Chester CH1 6BS, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Office Administrator at JLA Technology Limited
ND8, , United Kingdom - Full Time
Skills Needed
Administrative Processes, English, Deliveries, Phone Etiquette, Xero, Professional Communication, Computer Skills
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Bank Kitchen Assistant at Connaught Care Limited
Bedhampton PO9, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Head Housekeeper at Connaught Care Limited
Bedhampton PO9, , United Kingdom - Full Time
Skills Needed
Dignity, Leadership
Qualification
Graduate
Chain Protocol Engineer at Hyphen Connect Limited
, , Singapore -
Full Time

Start Date

Immediate

Expiry Date

13 Jan, 26

Salary

0.0

Posted On

15 Oct, 25

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Go, Rust, Blockchain, Zero-Knowledge Proofs, Identity Standards, Cross-Chain, Database Tuning, Systems Engineering, Performance Tuning, Security Practices, Testing, Documentation, Client Internals, Decentralized Storage, Observability, Credential Verification

Industry

Staffing and Recruiting

Description
We are hiring for one of our clients. They are a fast-growing Web3 startup rethinking how digital identity and reputation work online. They’re building privacy-first infrastructure that lets users prove who they are and what they’ve done—without giving up personal data. Backed by strong ecosystem partners and a passionate founding team, the company is shaping a more trusted and user-centric internet. We are looking for a Protocol Engineer to design, implement, and operate the core software of a L1 Chain—focusing on reliability, performance, and the identity‑specific features. You’ll work on client/runtime components, networking, cross‑chain identity flows, and ZK integrations that enable private verification at scale. Responsibilities Develop and enhance the core node/client, covering execution/runtime, mempool, syncing, and networking layers to ensure reliability and scalability. Build identity-focused primitives, including credential issuance and verification logic, and extend system capabilities through precompiles or syscalls where needed. Optimize performance across state management (I/O, snapshots, pruning, and fast sync) and RPC endpoints to improve throughput and latency. Integrate zero-knowledge proof systems directly into the protocol, enabling on-chain verification of zk proofs and web-based attestations (e.g., zkTLS). Contribute to the identity oracle layer, defining message formats, securing replay/order handling, and ensuring consistent cross-chain finality. Design and maintain verification pathways, such as light clients or optimistic proofs, aligned with ecosystem standards (IBC/ICS, L1–L2 bridges, and messengers). Build robust relayer and operator tooling with strong incentives, monitoring, and observability baked in. Integrate decentralized storage solutions to enable privacy-preserving, reusable credential data. Tune low-level databases and commitment schemes (e.g., RocksDB, LevelDB) for fast and efficient identity verification operations. Deploy and operate testnets, manage release rollouts, and ensure smooth upgrades through canary testing and observability practices. Establish strong observability, adding metrics, logs, and dashboards to ensure transparency and rapid incident response. Expand and maintain test coverage through comprehensive unit, integration, fuzz, and differential testing across client versions. Requirements Strong systems engineering in Go or Rust (or similar); solid concurrency/async, profiling, and performance tuning skills. Experience building backend or protocol‑adjacent infrastructure that runs in production. Practical familiarity with blockchain client internals (any of: EVM/WASM runtime, Cosmos SDK/Substrate modules, or rollup nodes). Comfortable with Web3 interfaces and ops: RPCs (JSON‑RPC/gRPC), node configuration, validator/sequencer operations, snapshots/state sync. Sound engineering practices: testing, code reviews, CI/CD, reproducible builds, and clear documentation. Security mindset: input validation, DoS/eclipse awareness, rate‑limiting, key management basics. Nice-to-haves Zero‑knowledge integration experience (using/verifying proofs, e.g., PLONK/Groth16/FRI) or prior work on verifier precompiles. Exposure to identity/credentials standards (VCs/VPs), replay protection, nonce/sequence management, and capability/permissions models. Cross‑chain experience: light clients, optimistic/validity bridges, IBC/XCM, or L1↔L2 messaging. Database/storage tuning in high‑throughput chains; experience with state growth and archive modes. Contributions to open‑source blockchain clients or identity/zk tooling.
Responsibilities
The Protocol Engineer will design, implement, and operate the core software of a Layer 1 Chain, focusing on reliability, performance, and identity-specific features. Responsibilities include developing core node/client components, optimizing performance, and integrating zero-knowledge proof systems for private verification.
Chain Protocol Engineer at Hyphen Connect Limited
, , Singapore - Full Time
Skills Needed
Go, Rust, Blockchain, Zero Knowledge Proofs, Identity Standards, Cross Chain, Database Tuning, Systems Engineering, Performance Tuning, Security Practices, Testing, Documentation, Client Internals, Decentralized Storage, Observability, Credential Verification
Specialization
Candidates should have strong systems engineering skills in Go or Rust, with experience in building backend or protocol-adjacent infrastructure. Familiarity with blockchain client internals and sound engineering practices is essential.
Experience Required
Minimum 2 year(s)
Chain Protocol Engineer at Hyphen Connect Limited
, Hong Kong, China - Full Time
Skills Needed
Go, Rust, Concurrency, Performance Tuning, Blockchain, Web3, Zero Knowledge Proofs, Identity Standards, Cross Chain, Database Tuning, Open Source Contributions, Testing, Security, Client Internals, Rpcs, Observability
Specialization
Candidates should have strong systems engineering skills in Go or Rust, with experience in building backend or protocol-adjacent infrastructure. Familiarity with blockchain client internals and sound engineering practices is essential.
Experience Required
Minimum 2 year(s)
Senior QA Lead at Hyphen Connect Limited
, , Singapore - Full Time
Skills Needed
Quality Assurance, Test Strategy, Risk Based Testing, Requirements Analysis, Release Management, Test Automation, Ci/Cd, Version Control, Web Architectures, Apis, Microservices, Cloud Environments, Performance Testing, Security Testing, Communication, Stakeholder Management
Specialization
Candidates should have 7+ years in QA roles, with at least 2 years in a leadership position. Strong expertise in test strategy, automation frameworks, and CI/CD practices is required.
Experience Required
Minimum 5 year(s)
Senior QA Lead at Hyphen Connect Limited
, Hong Kong, China - Full Time
Skills Needed
Quality Assurance, Test Strategy, Risk Based Testing, Requirements Analysis, Release Management, Test Automation, Ci/Cd, Version Control, Web Architectures, Apis, Microservices, Cloud Environments, Performance Testing, Security Testing, Communication, Stakeholder Management
Specialization
Candidates should have 7+ years in QA roles, with at least 2 years in a leadership position. Strong expertise in test automation frameworks and CI/CD practices is essential.
Experience Required
Minimum 5 year(s)
Digital Asset Operations Associate at Animoca Brands Limited
, Hong Kong, China - Full Time
Skills Needed
Blockchain Technology, Digital Assets, Cryptocurrency Exchanges, Crypto Regulations, Analytical Skills, Problem Solving Skills, Attention To Detail, Communication Skills, Interpersonal Skills, Operational Efficiency, Risk Management, Compliance, Asset Tracking, Process Improvement, Industry Research, Technical Troubleshooting
Specialization
Candidates should have a bachelor's degree in a relevant field and proven experience in digital asset operations. In-depth knowledge of blockchain technology and strong analytical skills are essential.
Experience Required
Minimum 2 year(s)
Soldering Technician at JLA Technology Limited
ND8, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Experience Required
Minimum 2 year(s)
ICT Executive Multimedia AV at ECOITS PRIVATE LIMITED
Singapore, , Singapore - Full Time
Skills Needed
Workshops, Video Production
Qualification
Graduate
Pharmacy Assistant (Clinical Trials) - fixed term contract 6 months at hVIVO Services Limited
London, England, United Kingdom - Full Time
Skills Needed
Clinical Research, Preparation
Qualification
Graduate
Loader Operator at Casey Concrete Limited
Truro, NS B2N 1E9, Canada - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
CDP & Senior Chef at Rio Steakhouse Limited
Middlesbrough TS1, England, United Kingdom - Full Time
Skills Needed
American Cuisine
Qualification
Graduate
Experience Required
Minimum 2 year(s)
Hotel Receptionist at Redwings Lodge Limited
WW4, , United Kingdom - Full Time
Skills Needed
Customer Service
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Adult ADHD Psychiatrist at Staff Partners Limited
Remote, Scotland, United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Technical Support & Regulatory Specialist - Chemicals & Lubricants at GBR Technology Limited
Silchester RG7, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Personal Training & Gym Coaching on Your Terms - Set Your Own Rates, Choose at Trusted People Limited
Billingham TS23, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Senior Support Worker at SNG Healthcare Limited
Hazel Grove, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Diploma
Electrician at KUOK SINGAPORE LIMITED
Singapore 638722, , Singapore - Full Time
Skills Needed
Materials, Electrical Work, Electrical Theory, Heavy Industry
Qualification
Graduate
Experience Required
Minimum 3 year(s)
Weekend Excavator Operator at Dandys Chester Limited
Chester CH1 6BS, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Office Administrator at JLA Technology Limited
ND8, , United Kingdom - Full Time
Skills Needed
Administrative Processes, English, Deliveries, Phone Etiquette, Xero, Professional Communication, Computer Skills
Qualification
Graduate
Experience Required
Minimum 1 year(s)
Bank Kitchen Assistant at Connaught Care Limited
Bedhampton PO9, , United Kingdom - Full Time
Skills Needed
Good Communication Skills
Qualification
Graduate
Head Housekeeper at Connaught Care Limited
Bedhampton PO9, , United Kingdom - Full Time
Skills Needed
Dignity, Leadership
Qualification
Graduate