{"id":906487,"url":"https://alion.io/job/digi-senior-software-engineer-python","title":"(Senior) Software Engineer - Python","company":{"id":155824,"name":"digiLab","domain":"digi-lab.agency","url":"https://alion.io/company/digi-lab","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Exeter, United Kingdom","Bristol, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":77000,"max_usd":150000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Explainable AI","optional":false},{"name":"FastAPI","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"Linux","optional":false},{"name":"NumPy","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SciPy","optional":false},{"name":"Scrum","optional":false},{"name":"SRE","optional":false},{"name":"JavaScript","optional":true},{"name":"PyTorch","optional":true},{"name":"React.js","optional":true},{"name":"TypeScript","optional":true}],"status":"closed","first_seen_at":"2026-09-14T09:15:15Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-11-03T12:08:59Z","board_verified":false,"closed_at":"2026-11-03T12:08:59Z","days_open":50,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":50},"description":"digiLab is a formative AI company with world-leading specialists in uncertainty quantification, applied where the stakes are highest and the margin for error is smallest.\nOur customers are among the largest and most advanced engineering and science-led organisations in the world, and they're using our technology to tackle some of society's biggest challenges. How do we make fusion energy a commercial reality? Can we drive down the cost of renewable energy and accelerate the transition to a sustainable future? How do we support coral reef restoration, or strengthen Britain's national security? These are just a few of the critical questions our technology is helping to answer. \nAt the heart of our work is the Uncertainty Engine, digiLab's trustworthy and explainable AI platform, enabling our customers to accelerate innovation, reduce risk, and deliver real value through more confident decisions. \nWe are looking for ambitious team members to help shape our pioneering technology and tackle some of the world's most impactful problems. \nThe role\nWe're looking for an experienced (Senior) Software Engineer to help build the Uncertainty Engine - the platform at the heart of everything we do at digiLab. In this role, you'll design and build the scalable, secure systems that power trustworthy AI for customers tackling some of society's hardest problems. \nThis is a hands-on technical role that combines deep backend expertise with a collaborative, product-minded approach. \nWhat you'll do\nLead the design, development, and maintenance of high-quality software, owning solutions from architecture through to deployment\nBuild scalable systems using AWS, Python, MongoDB, and other modern technologies\nEmbed security best practices across the full software development lifecycle\nOwn and improve our CI/CD pipelines to keep deployments fast, reliable, and repeatable\nApply site reliability engineering principles to strengthen system performance and resilience\nPartner with product management to translate business requirements into elegant technical solutions\nDesign clean, consistent RESTful APIs\nProvide technical support and lead incident investigations\nChampion Scrum and drive continuous improvement in how the team works\nFoster a collaborative, learning-oriented environment where engineers grow\nIn addition to backend work, you may also be required to support tasks on the frontend - we value engineers who enjoy working across the stack\nAdopt AI tools to assist and accelerate your work\nDuties may evolve, and you may be asked to take on other reasonable responsibilities within your competence as we grow.\nYour Experience\nSignificant industry experience building production software\nDeep Python expertise, with clean, logical, self-explanatory code\nProven experience building production APIs with FastAPI (or similar async Python frameworks)\nHands-on experience deploying AWS infrastructure as code (IaC)\nDegree-level qualification in computer science or a related field\nExperience with DevOps and MLOps \nSolid grasp of software design patterns, SOLID and DRY principles, and architectural patterns\nConfidence with Git/GitHub, Docker and containerisation, Linux, bash, and the command line\nCommand of the testing pyramid and automated testing types (unit, component, smoke, performance, load, end-to-end)\nFamiliarity with modern statistical ML and AI tooling, including NumPy, SciPy, and Pandas\nA track record of collaborating in a fast-paced agile team, ideally using Scrum\nNice to have\nA Master's-level qualification in a STEM field\nFrontend experience: HTML, CSS, React, JavaScript/TypeScript\nAn eye for UI/UX design principles\nExperience with PyTorch or other deep-learning libraries\nAn understanding of Bayesian statistics\nLocation: \nThis role is on-site at ourExeter orBristol office. \nAs an ambitious, rapidly-growing start-up, we’re looking for proactive, adaptable people who thrive in a fast-paced environment. Our standard working hours are 9.00-5.30pm, Monday to Thursday, though some flexibility outside these hours may be required to meet business needs.\nOur Culture and Values\nAt digiLab, we're building something we truly believe in, and we're looking for like-minded people.\nWe foster a culture of innovation, trust, and collaboration. Our values include:\nCreativity & Agility: Encouraging innovation and flexibility in goal achievement.\nTrust & Responsibility: Supporting each other in taking calculated risks for bold innovation.\nOpen & Honest Collaboration: Ensuring transparent communication and alignment.\nHigh-Performance Standards: Continuously challenging ourselves to excel in delivery.\nValue-Driven Work: Regularly assessing our contributions toward company goals.\nBenefits:\nWe value enthusiasm and loyalty, and we’re committed to offering a great work-life balance. Along with the exciting challenges this role provides, we offer a range of benefits including:\nCompetitive Salary\nPersonal & professional development\n BUPA private health care (via salary sacrifice)\nCompany Cashplan\nCycle to work scheme\nReferral Program\nRegular social events such as pizza nights, kayaking, bouldering and bake offs\n\nEqual Opportunities:\ndigiLab is an equal opportunity employer. We welcome applications from candidates of all backgrounds and are committed to ensuring our recruitment processes are fair, inclusive, and legally compliant. We take equality, dignity, and non-discrimination seriously. \nFinal Note:\nWe aim to respond to every applicant, but due to high application volumes, we may not be able to respond individually. Thank you for your interest in joining the digiLab team. 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