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1inch

1inch

1inch.com

5 Jobs

145 Employees

About the Company

1inch is the DeFi ecosystem building the future of finance. A community of engineers, designers and problem solvers who believe in the power of Web3 to transform the way the world works - and to offer fair and universal access to finance, for everyone.

Listed Jobs

Company background Company brand
Company Name
1inch
Job Title
Senior Data Engineer
Job Description
**Job title**: Senior Data Engineer **Role Summary**: Lead the development, optimization, and maintenance of high‑performance data pipelines and warehouse solutions for a fast‑growing DeFi analytics organization. Provide reliable, audit‑ready data to product, business, and strategic teams, ensuring data quality and actionable insights across on‑chain and off‑chain streams. **Expectations**: - Design and deliver robust, scalable ETL pipelines that ingest, transform, and store complex financial data. - Champion data quality, implementing validation, monitoring, and audit processes to guarantee accuracy and compliance. - Work cross‑functionally to transform business requirements into technical data solutions, presenting results to non‑technical stakeholders. **Key Responsibilities**: - Build and maintain scalable ETL pipelines for on‑chain and off‑chain data. - Optimize data storage and retrieval on BigQuery, Trino, PostgreSQL, and other turn‑key warehouses. - Implement validation rules, monitoring dashboards, and alerting for data quality. - Conduct data quality audits and resolve any identified issues. - Collaborate with product, engineering, and business teams to design and deliver data solutions. - Present complex data concepts and insights to non‑technical audiences. - Evaluate, adopt, and standardise new tools and best practices within the Data & Analytics team. **Required Skills**: - Minimum 5 years experience in data engineering or related role. - Deep expertise in SQL (BigQuery, Trino, PostgreSQL). - Proficiency in Python and TypeScript for data transformation and tooling. - Experience with DBT, Airbyte, and modern ELT pipelines. - Strong understanding of data modeling, ETL design, and performance tuning. - Familiarity with cloud data platforms (AWS, GCP) and data warehouse concepts. - Ability to document and present technical solutions to diverse audiences. **Required Education & Certifications**: - Bachelor’s or Master’s degree in Computer Science, Software Engineering, Statistics, Data Engineering, or a closely related field. - No mandatory certifications required, but professional knowledge of big‑data technologies (Spark, Hadoop, Snowflake) and data quality tools is advantageous. **Nice to Have** (non‑mandatory): - Experience with crypto/Web3 analytical stacks (e.g., Dune, Flipside). - Understanding of low‑level blockchain data (traces, events). - Exposure to Hadoop, Spark, Snowflake, or other big‑data ecosystems. - Experience building dashboards and reports that drive business insights.
London, United kingdom
Hybrid
Senior
26-11-2025
Company background Company brand
Company Name
1inch
Job Title
Senior Software Engineer, (Blockchain)
Job Description
**Job title:** Senior Software Engineer – Blockchain **Role Summary:** Lead the design, development, audit, and optimization of smart contracts and blockchain infrastructure for a DeFi ecosystem. Drive architecture decisions, ensure security and scalability, mentor developers, and collaborate closely with product and audit teams to deliver robust, cross‑chain DeFi solutions. **Expectations:** - Own end‑to‑end blockchain product architecture and delivery. - Maintain high standards of security, code quality, and performance. - Rapidly adapt to evolving blockchain standards and market demands. - Mentor and guide junior engineers, enforcing best practices. **Key Responsibilities:** - Design and optimize scalable, secure blockchain product architecture. - Lead development, auditing, and integration of smart contracts in decentralized protocols. - Conduct technical research, PoC experiments, and implement best practices. - Develop cross‑chain interoperability solutions (swaps, bridges, atomic swaps). - Create efficient gas‑optimised algorithms. - Define and implement CI/CD pipelines for blockchain development. - Identify and mitigate potential attack vectors, enforce security practices. - Monitor emerging blockchain, Web3, and crypto technologies. - Perform code reviews, mentor developers, enforce engineering standards. - Collaborate with auditors and cross‑functional teams to ensure successful product launches. **Required Skills:** - Solidity, Yul, Rust, TypeScript proficiency. - Hands‑on experience with Ethereum, Layer‑2 solutions (Optimistic & ZK Rollups), cross‑chain protocols. - Deep knowledge of DeFi protocols, AMMs, liquidity pools, oracle integrations. - Smart contract development frameworks (Foundry, Hardhat). - Expertise in blockchain security, audit methodologies, and attack vector mitigation. - Experience building high‑performance distributed systems. - Strong technical leadership, architectural decision‑making, and team mentoring. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (or equivalent experience). - Relevant blockchain or security certifications (e.g., Certified Blockchain Architect, Certified Secure Smart‑Contract Developer) preferred.
London, United kingdom
Remote
Senior
11-12-2025
Company background Company brand
Company Name
1inch
Job Title
Senior Software Engineer, Backend (TypeScript)
Job Description
**Job Title:** Senior Software Engineer, Backend (TypeScript) **Role Summary:** Senior Software Engineer focused on designing, building, and optimizing high‑performance backend services using Node.js/TypeScript and Nest.js. Lead the development of microservices that power core DeFi infrastructure, ensuring scalability, low latency, and resilience while continuously improving system performance and security. **Expectations:** - Deliver robust, maintainable, and well‑documented code in a fast‑moving, agile environment. - Demonstrate strong ownership of service architecture, monitoring, and incident response. - Collaborate proactively on architecture discussions, code reviews, and sprint planning. - Keep abreast of emerging backend technologies and propose enhancements that drive efficiency and reliability. **Key Responsibilities:** - Design and implement scalable microservices and high‑throughput APIs with Nest.js. - Optimize performance by profiling services, tuning database queries, and reducing response times. - Set up and manage metrics pipelines and alerting systems (Prometheus, Grafana). - Conduct code reviews, participate in architecture discussions, and mentor teammates on best practices. - Ensure security, data protection, and resilience of backend components. - Drive continuous improvement of system architecture and performance. - Stay updated on blockchain fundamentals and integrate relevant Web3 concepts as needed. **Required Skills:** - Proficient in Node.js/TypeScript with strong SQL and PostgreSQL experience. - Experience building microservices in high‑load environments. - Familiar with Redis, message brokers (NATS, EMQX, Kafka), and monitoring tools. - Understanding of blockchain fundamentals, Web3, and Solidity. - Knowledge of CI/CD pipelines, Docker, and basic Kubernetes concepts. - Excellent problem‑solving, proactive communication, and quality‑driven mindset. **Required Education & Certifications:** - Bachelor’s degree or equivalent in Computer Science, Software Engineering, or related field. - No specific certifications required, though relevant experience in fintech/DeFi projects is essential.
London, United kingdom
On site
Senior
24-12-2025
Company background Company brand
Company Name
1inch
Job Title
Senior Data Scientist
Job Description
**Job Title** Senior Data Scientist **Role Summary** Provide data‑driven insights and build robust analytics infrastructure for a leading DeFi platform, enabling strategic decision‑making across product, business, and leadership teams. **Expectations** - Minimum 5 years of professional experience in data science, analytics, or a related discipline. - Proven track record delivering data infrastructure improvements and optimization. - Strong background in SQL, Python, data warehousing, ETL, and data pipeline design. - Ability to translate complex analytical results into actionable, clear recommendations. - Excellent communication skills and a collaborative mindset across cross‑functional teams. - Preference for experience with blockchain/DeFi data and relevant analytical tooling. **Key Responsibilities** - Shape the company’s data strategy and influence strategic decisions through advanced analytics. - Design, implement, and optimize data infrastructure, tooling, and pipelines for scalability and efficiency. - Deliver real‑time, high‑quality dashboards that provide clear, actionable visibility to stakeholders. - Conduct deep‑dive research and analyses to uncover critical insights and drive business impact. - Support business units with ad‑hoc analytics, translating complex findings into concise, actionable insights. - Continuously improve data collection, processing, and analytics workflows across all teams. **Required Skills** - Advanced proficiency in SQL and Python for data manipulation and analysis. - Expertise in data warehousing, ETL processes, and data pipeline optimization. - Strong data visualization skills using tools such as Tableau, Power BI, Metabase, or equivalent. - Solid understanding of statistical concepts and practical application to real‑world problems. - Experience with blockchain or DeFi data sources is highly desirable. - Familiarity with Web3 analytical stacks (e.g., Dune, Flipside, Node RPC) is a plus. - Excellent written and verbal communication skills, capable of presenting insights to non‑technical stakeholders. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Statistics, Mathematics, Data Science, or a related field (or equivalent professional experience). - Optional certifications in big data analytics, data engineering, or related domains may strengthen candidacy.
London, United kingdom
Remote
Senior
15-01-2026