Senior Blockchain Developer

2 days ago

Lahore, Punjab, Pakistan TEKHQS Full time 900,000 - 1,200,000 per year

About The Role
Were seeking a
Senior Blockchain Developer
with deep expertise in
Solidity
and

to design, develop, and deploy scalable blockchain solutions. Youll build secure smart contracts, architect backend APIs, and collaborate with cross-functional teams to deliver high-performance decentralized applications (dApps) and Web3 infrastructure.

Key Responsibilities
Design and implement
smart contracts
on EVM-compatible chains using
Solidity
.

Develop, test, and deploy
backend APIs
and microservices in

for blockchain integration.

Optimize smart contract gas usage, ensure
security best practices
, and perform code audits.

Integrate blockchain nodes, wallets, oracles, and cross-chain bridges.

Collaborate with frontend, DevOps, and product teams to deliver complete dApp solutions.

Maintain and enhance existing blockchain architecture and SDKs.

Research new blockchain technologies (Layer-2, zk, rollups, cross-chain).

Requirements
5+ years of total software development experience.

3+ years in
Solidity
and
EVM-based development
.

Strong proficiency with

,
Express
, and
TypeScript
.

Deep understanding of
smart contract design patterns
,
ERC standards
, and
DeFi protocols
.

Experience with

,

,
Hardhat
,
Foundry
, or
Truffle
.

Knowledge of
RESTful / GraphQL APIs
,
microservices
, and
event-driven architectures
.

Familiarity with
Ethereum
,
Polygon
,
Binance Smart Chain
, or other L2 networks.

Version control with
Git
, CI/CD pipelines, and test automation.

Nice to have:
Experience with
Rust
,
Go
, or
Substrate
.

Understanding of
cryptographic primitives
,
Merkle trees
, and
zero-knowledge proofs
.

Exposure to
IPFS
,
The Graph
, or
Chainlink
.

Prior contribution to open-source blockchain projects.

Soft Skills
Strong problem-solving and analytical mindset.

Passion for decentralized tech and Web3 innovation.

Excellent communication and team collaboration skills.

Sample Teck Stack
Languages:
Solidity, JavaScript/TypeScript,

Frameworks:
Hardhat, Truffle,

Libraries:
,

Databases:
MongoDB, PostgreSQL

Tools:
Docker, GitHub Actions, AWS, Infura, Alchem

Experience:
5+ years (4+ in Blockchain)

Job Type:
Hybrid

Job Time:
3pm to 9pm from office and 11pm to 1 am from home

Location:
DHA Phase 6 Lahore

About Us:
TEKHQS is a global technology solutions provider headquartered in Lake Forest, California, with an offshore team of 300+ experts based in Pakistan. We specialize in Web 2.0 (Web & Mobile App Development), Web 3.0 (Blockchain & Crypto Platform Development), AI/ML Solutions, and ERP services as a certified partner of SAP S/4HANA, Oracle NetSuite, and Microsoft Dynamics 365 Business Central. Our expertise includes implementation, training, customization, integration, support, IT staff augmentation, and certified ERP consultancy.

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