{"id":141059,"url":"https://alion.io/job/modulr-full-stack-lead-engineer","title":"Full Stack Lead Engineer","company":{"id":51364,"name":"Modulr","domain":"modulrfinance.com","url":"https://alion.io/company/modulr","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":92,"open_postings":3,"ghost_share":0,"stale_share":0.333,"repost_share":0,"time_to_fill_p50_days":54,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Pune, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":22000,"max_usd":50000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":9,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"API Gateway","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"Apache Kafka","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Redis","optional":true}],"status":"live","first_seen_at":"2026-08-11T08:55:17Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-17T05:19:56Z","board_verified":true,"closed_at":null,"days_open":66,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":66},"description":"Are you curious, excited by experimentation and always looking to innovate?\nDo you want to work in embedded payments where you can keep learning and developing whilst getting hands-on experience?\nDo you want to have the opportunity to play an important role in a rapidly growing and exciting Fintech business?\nIf so, we would love to connect and collaborate!\nWe want to hire ambitious, and value-adding talent into Modulr, one of the fastest growing payments businesses in the UK and Europe. Modulr is experiencing significant growth, and in this role you will work in a cross-functional team who are asked to solve a problem, rather than be handed a task to do. This is an excellent opportunity to work in a high-growth environment with a fast-paced and collaborative culture where you will have great opportunities to work on challenging problems across the entire technology stack.\nAbout us\nAt Modulr our mission is to move money efficiently to power business productivity. We are building a new digital payments service to make money flow more efficiently through businesses and the economy. This is a new type of payments account that is built for businesses that need faster, easier and more reliable ways to move money.\nOur flexible platform and innovative approach allows our customers to utilise our payments account instead of a traditional bank account. Our accounts come with a sort code and account number, access to payment systems (eg Faster Payments and Visa) and everything our customers need from a payments account. They can instantly open as many accounts as they need, automate how they make and receive payments as well as the reconciliation processes these create. All in real time, 24/7 through their own systems utilising our API that integrates into any platform.\nOur founding team has a wealth of experience in the payments industry and growing successful businesses. Modulr is backed by payments giants PayPal Ventures and FIS Ventures, as well as startup and scale up specialists Blenheim Chalcot, General Atlantic, Frog and Highland Europe which enables us to leverage their resources and expertise to drive our growth initiatives. These partnerships provide us with the necessary provisions to propel our business to new heights.\nModulr values\nBuilding the extraordinary; going that extra mile.\nOwning the opportunity; be passionate and proud of the time you invest.\nMove at pace; reach goals faster whilst supported on your career journey.\nAchieve it together, working collaboratively and being a Modulite.\nThe Role\nThe Full Stack Lead Engineer is a vital role within Modulr, where you will be responsible for building an autonomous, high performing engineering squad to foster an environment where decisions are delegated, made and communicated effectively. You will drive technical strategy with a strong emphasis on Python and FastAPI backend development while remaining deeply hands-on with core development. The role is a blend of hands-on Python development, technical leadership, mentoring, and operational excellence. You will lead\nthe architecture and implementation of robust, scalable backend systems using FastAPI, cloud infrastructure on AWS, and coordinate full-stack solutions with frontend teams.\nSpecific duties\nLead a squad of software engineers, driving technical excellence through code reviews, architectural guidance, pair programming, and mentoring with strong emphasis on Python and FastAPI best practices.\nTechnically efficient to write production-quality Python code, designing high-performance REST APIs, managing databases, async operations, and establishing coding standards.\nOwn backend architecture decisions and lead the design of scalable, robust systems using Python, relational databases (PostgreSQL/MySQL), caching layers, and message queues.\nLead technical strategy for AWS cloud deployments, ensuring security, reliability, scalability, and operational excellence.\nMentor team members to develop deep full stack expertise for both backend & frontend through 1-2-1s, code reviews, and pair programming, fostering their technical growth and career progression.\nPlan squad deliverables and delegate responsibilities clearly, ensuring the team has well-defined goals, unblocked paths to success, and regular progress tracking.\nCollaborate with Frontend, DevOps, and Product teams to deliver integrated solutions, ensuring seamless API integration between backend and frontend.\nDrive agile practices and conduct productive ceremonies (stand-ups, sprint planning, reviews, retros), promoting continuous improvement and team autonomy.\nDrive hiring and recruitment, conducting technical interviews, assessments, and candidate evaluations while representing Modulr's engineering culture and values.\nReport on squad progress, outcomes, and technical achievements to leadership; share knowledge and best practices across the broader Engineering organisation.\nAbout you\nMust Have:\nExpert-level proficiency in Python (9+ years), with deep knowledge of Python frameworks, async programming, and backend development best practices.\nStrong, hands-on experience with FastAPI, including building high-performance REST APIs, dependency injection, validation, and async operations.\nSolid experience with React and modern JavaScript/TypeScript, with understanding of full-stack integration and frontend-backend communication patterns.\nHands-on experience designing, building and deploying systems on AWS (EC2, S3, Lambda, RDS, API Gateway, etc).\nProven software development and technical team leadership experience, with a strong understanding of backend engineering practices and processes.\nStrong understanding of system design, microservices architecture, database design, and cloud-native application patterns.\nExperience with relational databases (PostgreSQL, MySQL) and understanding of data modeling, optimization, and migrations.\nStrong testing discipline (unit, integration, and end-to-end testing) with TDD mindset for backend systems.\nDemonstrated ability to mentor engineers and lead technical decision-making in a collaborative environment.\nExperience with Docker, Kubernetes, and container orchestration.\nKnowledge of DevOps practices, CI/CD pipelines, and Infrastructure as Code.\nGood to have:\nExperience with caching solutions (Redis), message queues (RabbitMQ, Kafka), and async task processing.\nExperience in the fintech or payments domain.\nKey Attributes:\nStrong problem-solver with deep analytical and critical thinking skills; ability to balance pragmatism with technical excellence.\nExcellent communication skills; ability to articulate complex technical concepts to both technical and non-technical stakeholders.\nSelf-directed and proactive, with a drive to continuously learn and innovate in Python and backend technologies.\nPassionate about code quality, performance optimization, and building scalable, maintainable systems.\nTeam player with strong collaborative and leadership presence, comfortable guiding the team through technical decisions.\nModInclusion\nAt Modulr, we are working hard to build a more positive diverse and inclusive culture that helps everyone to feel they belong and can truly bring their whole self to work. Not only is it the right thing to do for everyone in the Modulr team, it's also the right thing to do for our business, the community we operate in and attracting future talent. As part of our approach, we actively welcome applications from candidates with diverse backgrounds.","description_format":"text","description_chars":7483,"description_truncated":false,"requirements":{"experience_years_min":9,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-08-11T08:55:17Z"}],"visa":[],"liveness":{"score":31,"band":"fade","label":"Fading","p_open":1,"p_active":0.708,"p_room":0.44,"age_days":66,"expected_fill_days":54,"reasons":["conf:0","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/modulr-full-stack-lead-engineer","json_url":"https://alion.io/job/modulr-full-stack-lead-engineer.json","meta":{"generated_at":"2026-10-17T06:41:56Z","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":9125,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":51364},"rest":"https://alion.io/mcp/rest/get_company?id=51364"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmodulr-full-stack-lead-engineer"},{"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%2Fmodulr-full-stack-lead-engineer"},{"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%2Fmodulr-full-stack-lead-engineer"},{"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/modulr-full-stack-lead-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmodulr-full-stack-lead-engineer"}]}