{"id":1092801,"url":"https://alion.io/job/thought-machine-senior-back-end-engineer-i-2","title":"Senior Back End Engineer I","company":{"id":7206,"name":"Thought Machine","domain":"thoughtmachine.net","url":"https://alion.io/company/thought-machine","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":89,"open_postings":8,"ghost_share":0,"stale_share":0.25,"repost_share":0,"time_to_fill_p50_days":76,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75000,"max":100000,"currency":"EUR","period":"year","gross":null,"usd_annual":112167},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"gRPC","optional":false},{"name":"Incident Management","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-21T15:10:15Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-11-08T23:35:10Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":48},"description":"Thought Machine's mission is bold - to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology.\nWe have grown rapidly in the past few years - growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more.\nWe have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted magazine as having one of the highest Glassdoor ratings for a UK fintech company and the industry's most generous employee share package. Named one of the world's most innovative fintechs by Global Finance Magazine, we were also recognised by the Financial Times as one of Europe's fastest-growing companies for two consecutive years-and a UK Best Employer for 2026.\nAs a Senior Software Engineer I at Thought Machine, you will own and deliver highly complex, end-to-end engineering work items. You will look beyond immediate coding tasks to consider long-term system architecture, product strategy, and client outcomes.\nIn this role, you will act as a technical anchor for your team, solving ambiguous problems, guiding less experienced engineers, and actively shaping our technical and product roadmaps. This is a role for an engineer who values clean, maintainable systems, embraces an egoless approach to collaboration, and is driven to deliver robust solutions to production.\nWhat You’ll Do\nTechnical Leadership\nDesign & Build: Design and build highly reliable, secure, and scalable software solutions for complex problems.\n\nArchitecture & Standards: Contribute to team guidelines ensuring our services meet top-tier security, performance, cost, and reliability standards.\n\nCode Quality & Peer Review: Set a high bar for code quality by providing constructive, detailed feedback on design documents and pull requests.\n\nOperational Excellence: Investigate issues across multiple services in production, drive learning from operational incidents, and feed improvements back into our prioritisation process.\n\nHiring: Actively participate in our growth by leading technical interviews.\n\nProduct & Delivery\nEnd-to-End Ownership: Own work items from initial concept to production, creating structured delivery plans, managing dependencies along the way and owning delivery of these work items.\n\nProduct Vision: Partner with Product Managers to prioritize features, translate client requirements into technical specifications, and ensure solutions align with our overarching product vision.\n\nIncident Management: Confidently own the resolution of incidents, coordinating mitigation, fixes, and post-mortem artifacts.\n\nCollaboration & Mentorship\nTeam Growth: Mentor and support less experienced engineers, helping them level up technically and adapt to Thought Machine’s engineering philosophy.\n\nStakeholder Management: Translate highly technical problems and architectural decisions into clear concepts for non-technical stakeholders.\n\nWhat We’re Looking For\nTechnical Expertise: Strong proficiency in modern backend languages (ideally Go or Python) and experience building distributed, cloud-native systems (Kubernetes, AWS/GCP, gRPC, PostgreSQL).\n\nProblem Solving: A proven track record of breaking down ambiguous, and complex problems into clear, deliverable milestones.\n\nProduction Operations: Experience supporting high-throughput systems in production environments and diagnosing complex issues across distributed systems.\n\nEgoless Collaboration: A highly collaborative, feedback-receptive mindset focused on finding the best outcomes for our clients and business rather than defending personal preferences.\n\nCommunication: Excellent written and verbal communication skills, with the ability to build consensus and document technical designs clearly.\n\nThis is a full-time, permanent position based in our Lisbon office, requiring Three days a week onsite.\nBenefits\nHighly competitive salary\n\nVoluntary Pension Plan (match up to 5%)\n\nPrivate Healthcare Insurance\n\nComprehensive Life Insurance\n\n25 days holiday plus public holidays\n\nTwo charity days a year\n\nDaily Meal Allowance\n\nAccess to outstanding learning materials and courses\n\nSports and hobby clubs, subsidised by Thought Machine\n\nAll the latest tech you need\n\nHuge range of healthy (and not-so-healthy) snacks, smoothies and drinks\n\nA talented and experienced team as your colleagues\n\nAn environment where we encourage learning and progress\n\nWe actively hire candidates who demonstrate technical excellence in their field and welcome people of all ages and backgrounds, providing everyone with equal access to professional development. You are encouraged to apply even if your experience doesn't accurately match the job description. We also encourage applications from those with different abilities, including candidates with ADHD, autism, dyslexia or dyspraxia.","description_format":"text","description_chars":5417,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Life insurance","Professional development"],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance"],"lifecycle":[{"event":"open","at":"2026-09-21T15:33:52Z"}],"visa":[],"liveness":{"score":74,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.818,"p_room":0.9,"age_days":47,"expected_fill_days":76,"reasons":["conf:2","win:mid"],"computed_at":"2026-11-08T05:47:12Z"},"pay":{"stated_usd_annual":112167,"is_top_pay":false},"html_url":"https://alion.io/job/thought-machine-senior-back-end-engineer-i-2","json_url":"https://alion.io/job/thought-machine-senior-back-end-engineer-i-2.json","meta":{"generated_at":"2026-11-09T00:08:59Z","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":359,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":7206},"rest":"https://alion.io/mcp/rest/get_company?id=7206"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fthought-machine-senior-back-end-engineer-i-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fthought-machine-senior-back-end-engineer-i-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fthought-machine-senior-back-end-engineer-i-2"},{"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/thought-machine-senior-back-end-engineer-i-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fthought-machine-senior-back-end-engineer-i-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1092801}},{"tool":"search_jobs","arguments":{"company":"thoughtmachine.net","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1092801},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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