{"id":780523,"url":"https://alion.io/job/simplemachines-senior-software-engineer-jvm-kotlin","title":"Senior Software Engineer - JVM, Kotlin","company":{"id":720743,"name":"Simplemachines","domain":"simplemachines.com","url":"https://alion.io/company/simplemachines-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":95,"open_postings":13,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":148,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Warsaw, Poland","Kraków, Poland","Katowice, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":59000,"max_usd":95000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":230},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CloudFormation","optional":false},{"name":"GCP","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false},{"name":"Amazon ECS","optional":true},{"name":"Azure Cosmos DB","optional":true},{"name":"Cassandra","optional":true},{"name":"Docker","optional":true},{"name":"DynamoDB","optional":true},{"name":"Git","optional":true},{"name":"Google Bigtable","optional":true},{"name":"HBase","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Scala","optional":true}],"status":"closed","first_seen_at":"2026-02-12T00:00:00Z","employer_posted_date":"2026-02-12","last_verified_at":"2026-10-21T19:46:24Z","board_verified":false,"closed_at":"2026-10-21T19:46:24Z","days_open":251,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":251},"description":"Senior Full Stack Engineer (Remote) - Multiple roles\nSimple Machines is a leading independent boutique technology firm with a global presence, including teams in London, Sydney, San Francisco, and New Zealand. We specialise in creating technology solutions at the intersection of data, AI, data engineering, and software engineering.\nWe design and build bespoke data platforms and unique software products, create and deploy intelligent systems, and bring engineering expertise to life by transforming data into actionable insights and tangible outcomes.\nWe engineer data to life™.\nAs we scale our EMEA Engineering Operations, this role will partner closely with our UK leadership team and will focus on supporting our UK-based clients. While you’ll enjoy the flexibility of working remotely, you’ll be closely aligned with our UK delivery teams and client stakeholders, ensuring time-zone overlap and easier collaboration.\nEach team member has varying degrees of strength in each area, but all work together across the full stack and assist one another to learn and contribute.\nPlease note: You must be based in Poland with citizenship or full-time working rights to be considered for the opportunity\nThe Role:\nAs a Senior / Lead Full Stack Engineer at Simple Machines, you’ll be at the heart of groundbreaking projects, collaborating closely with both our talented internal team and forward-thinking clients. In this hands-on role, you'll drive the development of sophisticated, scalable solutions across the full technology stack-from intuitive frontends and robust backends to powerful data pipelines and resilient infrastructure. If you’re passionate about solving complex problems and pushing the boundaries of what’s possible, this role offers the perfect platform for you to make a real impact.\nKey Responsibilities:\nResponsible for design and technical development of backend services for a highly scalable marketing platform.\nResponsible for designing the APIs, applications, and infrastructure the team develops, and documenting the technical requirements and design for the client.\nResponsible for end-to-end delivery and support, including build, automation, deployment, and operations, for everything that is developed.\nPartner with client stakeholders, and team members, to gather business requirements, collaborate on design decisions, and translate them into technical and design requirements.\nOperate within an iterative delivery team using Agile delivery tools and practices.\nHybrid remote and in-person collaboration with the delivery team and client stakeholders.\nRequirements\nSkills & Experience\nStrong written and verbal English \nA consultative approach to software development and software engineering.\nCore foundation in programming, especially in JVM languages (particularly Kotlin or Java).\nExperience designing and implementing data-driven APIs.\nExposure to frontend development (particularly React.js, Tailwind, REDUX, Typescript) \nPast project experience with large scale webservices. \nCloud infrastructure experience with AWS and/or Google Cloud, Azure, etc.\nInfrastructure-as-code (IaC) experience, such as with Terraform or Cloud Formation.\nIn-depth experience with unit and integration testing, and test automation generally. Ideally TDD and/or BDD\nExperience working with SQL databases in the context of implementing data-driven APIs, and designing database schemas and queries to meet business requirements.\nNice to Have\nA passion and proven background in picking up and adopting new technologies on the fly.\nExposure to Scala, or functional programming generally.\nExposure with DynamoDB or similar NoSQL databases, such as Cassandra, HBase, BigTable, or Cosmos DB.\nExposure with Git workflows, and the ability to tailor the workflow to project needs.\nExposure with containerised application deployment using Docker, Amazon ECS, Kubernetes, etc.\nBenefits\nWhat We Offer in Poland:\nSalary: Competitive salary and benefits package. \nJoin a fast growing team - 30% growth in the last 12 months.\nHealth and Wellbeing Allowance: 6,129zł allowance per year to be used for any food and non-alcoholic beverages during business hours, healthcare, gym memberships, sporting goods and accessories, and any wellness appointments. \nProfessional Development: 7,355zł annual budget for training, courses, and conferences, with potential for additional funding. \nCertifications: 12,259zł annual budget for certifications and related courses. \nEquipment Allowance: 6,129zł for Poland team members, plus Apple MacBook Pro laptops and necessary accessories.","description_format":"text","description_chars":4573,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Apple Macbook","Gym membership","Professional development"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Analytics & BI Consulting","Data Engineering & Migration Services"],"lifecycle":[{"event":"open","at":"2026-09-12T00:41:34Z"},{"event":"open","at":"2026-09-25T22:51:05Z"},{"event":"close","at":"2026-10-21T19:46:24Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/simplemachines-senior-software-engineer-jvm-kotlin","json_url":"https://alion.io/job/simplemachines-senior-software-engineer-jvm-kotlin.json","meta":{"generated_at":"2026-10-22T11:05:08Z","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":8750,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":720743},"rest":"https://alion.io/mcp/rest/get_company?id=720743"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsimplemachines-senior-software-engineer-jvm-kotlin"},{"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%2Fsimplemachines-senior-software-engineer-jvm-kotlin"},{"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%2Fsimplemachines-senior-software-engineer-jvm-kotlin"},{"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/simplemachines-senior-software-engineer-jvm-kotlin\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsimplemachines-senior-software-engineer-jvm-kotlin"}]}