{"id":968734,"url":"https://alion.io/job/delta-capita-blockchain-dlt-developer","title":"Blockchain / DLT Developer","company":{"id":172173,"name":"Delta Capita","domain":"deltacapita.com","url":"https://alion.io/company/delta-capita","size_band":"11-50","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"A","score":88,"open_postings":4,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Web3","role_family":"Web3","seniority":null,"employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":161000,"period":"year","method":null,"sample_n":72},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Algorand","optional":false},{"name":"Ethereum","optional":false},{"name":"Ethers.js","optional":false},{"name":"Foundry","optional":false},{"name":"Git","optional":false},{"name":"Go","optional":false},{"name":"Hardhat","optional":false},{"name":"Hedera","optional":false},{"name":"Java","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"TEAL","optional":false},{"name":"Tokenomics","optional":false},{"name":"Truffle","optional":false},{"name":"Web3.js","optional":false},{"name":"Agile","optional":true},{"name":"Arbitrum","optional":true},{"name":"CI/CD","optional":true},{"name":"DeFi","optional":true},{"name":"Docker","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Layer 2","optional":true},{"name":"Optimism","optional":true},{"name":"Polygon","optional":true},{"name":"Token Standards","optional":true}],"status":"live","first_seen_at":"2026-09-14T10:39:43Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-10-12T03:11:32Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":27},"description":"Job Title: Blockchain / DLT Developer\nLocation: Ipswich, London or Remote\nAs a Blockchain Developer at MACH, you will play a central role in designing, building, and deploying distributed ledger and smart contract solutions for our financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain platform) to deliver secure, scalable, and high-performance decentralised applications. Collaborating with cross-functional teams including architects, product managers, and client stakeholders, you will bring deep technical expertise and a proactive approach to solving complex on-chain challenges.\nRequirements\nResponsibilities include:\nDesign, develop, and deploy smart contracts and decentralised applications across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain).\n\nDesign and implement blockchain-based solutions tailored to the specific requirements of financial services clients.\n\nContribute to the ongoing development and enhancement of MACH Chain, including protocol-level improvements and tooling.\n\nCollaborate with backend engineers, solution architects, and product managers to integrate blockchain components with broader platform services and APIs.\n\nConduct rigorous smart contract auditing, testing, and optimisation to ensure security, correctness, and gas efficiency.\n\nStay current with emerging developments across Ethereum (EVM/L2), Hedera Hashgraph, Algorand, and the broader DLT ecosystem.\n\nProvide technical guidance and support to junior team members and contribute to internal knowledge sharing.\n\nEngage with project managers, product managers and business analysts to understand requirements, present solutions, and support delivery.\n\nContribute to the continuous improvement of MACH's development processes, standards, and tooling.\n\nAs an experienced Blockchain Developer, you will have:\nExperience working specifically with security tokens on distributed ledgers.\n\nProven hands-on experience developing and deploying smart contracts on Ethereum (Solidity) and familiarity with at least one of Hedera (Solidity/Hedera Token Service) or Algorand (PyTEAL/TEAL/ARC standards).\n\nStrong understanding of blockchain fundamentals including consensus mechanisms, cryptographic primitives, tokenomics, and DLT architectures.\n\nExperience working with Web3 libraries such as Web3.js, Ethers.js, or equivalent SDKs for Hedera and Algorand.\n\nProficiency in one or more backend languages (e.g. Node.js, Python, Go, Java) and RESTful/event-driven API design.\n\nFamiliarity with blockchain development toolchains including Hardhat, Truffle, Foundry, or equivalent.\n\nExperience with version control (Git) and collaborative development workflows.\n\nStrong analytical and problem-solving skills with a rigorous approach to security and edge-case reasoning.\n\nExcellent communication skills, with the ability to work effectively across technical and non-technical stakeholders.\n\nComfortable working in a fast-paced, client-facing environment with competing priorities.\n\nDesirable\nExperience with or exposure to proprietary enterprise blockchain platforms.\n\nKnowledge of Layer 2 scaling solutions (e.g. Polygon, Arbitrum, Optimism) and cross-chain interoperability protocols.\n\nFamiliarity with DeFi protocols and token standards (ERC-20, ERC-1400, ERC-3643).\n\nExperience in financial services, capital markets, or fintech environments.\n\nUnderstanding of regulatory and compliance considerations relevant to blockchain deployments in financial services.\n\nKnowledge of CI/CD pipelines, containerisation (Docker/Kubernetes), and cloud infrastructure.\n\nExposure to Agile and DevOps methodologies.\n\nHow We Work:\nDelta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, colour, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.\nWe will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. If you require any reasonable adjustments through your interview process, please inform us.\nThis is a permanent full-time position. As the selection and interview process is ongoing, please submit your application in English as soon as possible, if your profile is selected, a member of our team will contact you within 4 weeks.\nWho We Are:\nDelta Capita Group (a member of the Prytek Group) is a global managed services, consulting, and solutions provider with a unique combination of experience in Financial Services and technology innovation capability. Our mission is to reinvent the financial services value chain providing technology based mutualized services for financial institutions for non-differentiating services.","description_format":"text","description_chars":5018,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"associate","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Cryptocurrencies","RegTech, AML & Compliance","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-09-16T16:23:19Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-10-10T06:21:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":34,"band":"fade","label":"Fading","p_open":1,"p_active":0.374,"p_room":0.9,"age_days":25,"expected_fill_days":40,"reasons":["conf:2","velocity","win:mid"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/delta-capita-blockchain-dlt-developer","json_url":"https://alion.io/job/delta-capita-blockchain-dlt-developer.json","meta":{"generated_at":"2026-10-12T05:07:34Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8163,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":172173},"rest":"https://alion.io/mcp/rest/get_company?id=172173"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdelta-capita-blockchain-dlt-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fdelta-capita-blockchain-dlt-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fdelta-capita-blockchain-dlt-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/delta-capita-blockchain-dlt-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdelta-capita-blockchain-dlt-developer"}]}