{"id":745882,"url":"https://alion.io/job/solirius-python-developer-with-data-experience","title":"Python Developer with Data experience","company":{"id":686302,"name":"Solirius","domain":"solirius.com","url":"https://alion.io/company/solirius","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":88,"open_postings":28,"ghost_share":0,"stale_share":0.464,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":175000,"period":"year","method":"role_country_seniority_unknown","sample_n":424},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"Pandas","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-09-02T00:00:00Z","employer_posted_date":"2026-09-02","last_verified_at":"2026-11-02T01:58:04Z","board_verified":true,"closed_at":null,"days_open":61,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":60},"description":"About Us:\nSolirius Reply, part of theReply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.\nWe work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical expertise with people-centred design, we create solutions that deliver meaningful, lasting impact.\nOur consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors.\nPast and present clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. Our services span the full digital delivery lifecycle, including architecture, engineering, delivery management, user-centred design, business analysis, data, DevOps, and AI.\nWe operate as a collaborative and inclusive organisation that empowers our people to take ownership, innovate, and develop their expertise. As an equal opportunities employer, we are committed to encouraging equality, diversity, and social mobility, while creating opportunities for our teams to work on meaningful projects that deliver lasting impact.\nAbout You:\nYou are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes.\nThe Role:\nWe are seeking an experienced Python Developer with significant data engineering experience to join a high-performing engineering team working on secure, data-intensive systems.\nThe successful candidate will have a strong background in Python software development, data engineering and data processing, with experience designing, building and maintaining robust data pipelines and services within complex technical environments.\nRequirements\nKey Responsibilities:\nDesign, develop and maintain high-quality Python applications, services and data processing solutions.\nBuild and optimise scalable ETL/ELT pipelines for the ingestion, transformation and delivery of structured and unstructured data.\nDevelop robust data processing workflows using Python and modern data engineering technologies.\nWork with large and complex datasets, ensuring data quality, integrity, availability and performance.\nIntegrate data from multiple sources, including APIs, databases, files and streaming systems.\nDevelop reusable, well-tested and maintainable software components following modern engineering practices.\nDesign and implement automated testing, monitoring, logging and error-handling mechanisms.\nCollaborate with data engineers, software engineers, architects and other technical stakeholders to deliver end-to-end data solutions.\nContribute to the design and evolution of data platforms, pipelines and supporting infrastructure.\nIdentify opportunities to improve system performance, scalability, reliability and automation.\nParticipate in code reviews and contribute to engineering standards and best practices.\nWork within secure development environments and adhere to relevant security, governance and compliance requirements.\nProduce clear technical documentation and contribute to architectural and engineering decisions.\nSkills & Experience:\nSignificant commercial experience developing Python applications and services.\nStrong experience in data engineering, including the design and development of scalable ETL/ELT pipelines.\nProven experience working with SQL, relational databases and large datasets.\nExperience with data processing technologies such as PySpark, Spark or Pandas.\nStrong understanding of data quality, transformation and integration.\nExperience with Git, CI/CD and automated testing.\nComfortable working in Linux and secure development environments.\nExperience delivering production-grade solutions within complex technical environments.\nActive UK Security Clearance (SC/DV) is mandatory for this role.\nBenefits\nPackage and Benefits:\nCompetitive Salary\nBonus Scheme\nPrivate Healthcare Insurance\n25 Days Annual Leave + Bank Holidays\nUp to 10 days allocated for development training per year\nEnhanced Parental Leave\nPaid Fertility Leave (5 Days)\nContributory Pension\nEAP with Help@Hand\nGym Membership Benefits\nFlexible Benefits Allowance\nCycle to Work and Electric Vehicle schemes\nFlexible Working\nAnnual Away Days/Company Socials\nDiversity and Inclusion\nAs an equal opportunities employer, we are committed to creating a work environment that supports, celebrates, encourages and respects all individuals, where all processes are based on merit, competence and business needs.\nEncouraging high social mobility is really important to us. We foster an inclusive culture by welcoming different perspectives, enabling equitable opportunities and promoting open dialogue. This commitment is reflected in initiatives such as our gender diversity group and our focus on mental health and wellbeing. Whatever stage you are at, you will find an environment where you can thrive.\nShould you require further assistance or require any reasonable adjustments to be put in place to better support your application process, please do not hesitate to raise this with us.\nAs a Disability Confident employer, we are committed to ensuring our recruitment process is accessible and inclusive, enabling all candidates to demonstrate their skills, experience and potential.","description_format":"text","description_chars":5889,"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":["Annual leave","Flexible schedule","Gym membership","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-09-11T14:11:32Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.443,"p_room":0.28,"age_days":60,"expected_fill_days":30,"reasons":["conf:0","velocity","win:tail","crowd:"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/solirius-python-developer-with-data-experience","json_url":"https://alion.io/job/solirius-python-developer-with-data-experience.json","meta":{"generated_at":"2026-11-02T03:21:54Z","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":4991,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":686302},"rest":"https://alion.io/mcp/rest/get_company?id=686302"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsolirius-python-developer-with-data-experience"},{"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%2Fsolirius-python-developer-with-data-experience"},{"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%2Fsolirius-python-developer-with-data-experience"},{"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/solirius-python-developer-with-data-experience\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsolirius-python-developer-with-data-experience"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":745882}},{"tool":"search_jobs","arguments":{"company":"solirius.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":745882},"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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