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Oscar Associates Limited

31 jobs

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31 jobs Posted Sort

Oscar Associates Limited

Senior Backend Engineer – Python/FastAPI, AWS, AI

NewBe an early applicant UKSenior

Oscar Associates Limited is hiring a Senior Backend Engineer in London to build scalable SaaS platforms. Day to day: designing REST and async services in Python 3.11/FastAPI with PostgreSQL, working across Java/Spring boundaries, enforcing tenant isolation and testing, and deploying on AWS (EKS/ECS, RDS, S3) with OpenTelemetry observability.

AWS ECS EKS FastAPI Java +7 skills

Oscar Associates Limited

Backend Engineer

NewBe an early applicant HybridUKContract

Backend engineer at a newly formed venture backed by an investment-services business, building an enterprise multi-tenant SaaS platform: designing Python 3.11/FastAPI REST and async services, working at Java/Spring and PostgreSQL boundaries, implementing tenant isolation, and deploying on AWS with LLM service integration. Office-based in King's Cross, London three days a week.

AI API Authentication AWS CI/CD +22 skills

85K – 105K £

Oscar Associates Limited

IT Asset & Procurement Manager

NewBe an early applicant HybridFull-time

IT Asset & Procurement Manager Location: Doncaster / Leeds Hybrid: 2-3 days onsite Salary: £50,000-£55,000 Permanent We're recruiting an experienced IT Asset & Procurement Manager to take ownership of IT Asset…

CMDB SaaS Vendor Management

Oscar Associates Limited

Cyber Security Lead

NewBe an early applicant UKLead

A London-based Cyber Security Lead (£115k–£135k) will own product, cloud and security assurance for a confidential multi-tenant SaaS platform serving financial services, leading application security across the SDLC — threat modelling, secure code review and vulnerability management.

115K – 135K £

Oscar Associates Limited

Business Intelligence Developer

NewBe an early applicant UKContract

A 6-month fixed-term Business Intelligence Developer role with a leading construction organisation in Doncaster (hybrid, 1-2 days onsite). Working with the BI Manager, you deliver end-to-end BI solutions covering data ingestion, transformation, modelling and visualisation. Salary up to £60k DOE.

Oscar Associates Limited

Business Development Manager

NewBe an early applicant HybridFull-time

Business Development Manager | Heywood | £40k-£60k | Hybrid Location: Heywood Salary: £40,000 - £60,000 Working Pattern: Hybrid Role Type: Permanent The Opportunity We're looking for an experienced Business Development…

Business Development

Oscar Associates Limited

Lead Software Engineer

Lead Software Engineer Location: Manchester City Centre (Hybrid) Salary: £55k - £65k Benefits The Role We're partnering with an established digital technology business looking for a Lead Software Engineer to join their…

Oscar Associates Limited

Frontend Engineer

Frontend Engineer building the React and React Native interfaces investment professionals use to inspect data, work with documents and direct AI agents, at a new software venture inside a global private-capital analytics provider. Permanent, hybrid role (3 days onsite) in London paying £85,000–£105,000.

Agentic AI AI React React Native

85K – 105K £

Oscar Associates Limited

Machine Learning Engineer

ML Engineer at a new software venture built inside a global private-capital analytics provider, building the models, agents and evaluation systems that investment professionals use to analyse data, work with documents and automate research. Permanent London role, on site 3 days a week; £95k-£120k.

Machine Learning

95K – 120K £

Oscar Associates Limited

Backend Engineer

Backend engineer at a newly formed, investment-backed software venture in London, designing multi-tenant data and workflow services in Python/FastAPI and owning the integration layer between a Java/Spring core and Python AI services. Permanent role, hybrid with 3 days a week in the office.

AI FastAPI Java Python Spring

85K – 105K £

Oscar Associates Limited

Business Development Manager

Business Development Manager - IT / Managed Services Salary: £35,000-£55,000 depending on experience uncapped commission Location: Leicestershire | Hybrid About the role An established Managed Service Provider (MSP) is…

Business Development

Oscar Associates Limited

Network Engineer - F5 / DDI (BlueCat)

Network Engineer - F5 / DDI (BlueCat) | £64/hour (Inside IR35) | 9-12 months | Large enterprise client We're looking for an experienced network engineer to join the operations team. This is day to day incident response…

Oscar Associates Limited

Software Developer (Java/C++) A1 SC

Software Developer (Java/C++) - A1 SC Cleared | £53,000-78,000 A leading engineering team is looking for a UKIC DV-cleared Software Developer to support the development of high-performance backend software solutions…

Oscar Associates Limited

Applied AI Engineer

Applied AI Engineer (C# .NET) - Nottingham - Hybrid (2 days a week in office) - £80,000 We're working with an ambitious technology company developing intelligent software products used by thousands of customers across…

Oscar Associates Limited

Senior Core Network Engineer

Senior Core Network Engineer | 6 months initially | 2 days on site | London, Chester or Bromley | £465 p/d | Inside IR35 We're seeking an experienced Senior Core Network Engineer to support the evolution of a…

Automation Cisco Networking

Oscar Associates Limited

Lead Platform Engineer

New HybridUKLead

Hands-on platform engineering lead role at an established Nottingham data business, owning cloud infrastructure and shaping the next stage of the platform. Hybrid working with a minimum of 1 day per week in the Nottingham office; salary £65,000–£75,000.

Oscar Associates Limited

IT Support Engineer

New UKFull-time

An IT Support Analyst joins an established internal IT team in Doncaster, acting as first point of contact for colleagues: owning support tickets from initial diagnosis through resolution or escalation, plus handling service requests and device setup across multiple sites.

Oscar Associates Limited

Software Developer (Java/C++)

An onsite software developer role at Staverton Technology Park (UK) building high-performance, secure backend systems in Java and/or C++ on Linux for government and defence environments. Day to day: designing APIs, distributed services and architecture, using Docker, Git, CI/CD and DevSecOps practices; requires active A1 SC clearance. Salary stated as £53,000–£78,000 (listing headline cites £75,00

API CI/CD C++ Design Patterns DevSecOps +8 skills

Oscar Associates Limited

Lead Software Engineer

Hands-on Lead Software Engineer at an established digital technology business in Manchester (hybrid): lead technical delivery of modern web platforms while writing production code in TypeScript, React and Next.js, design scalable APIs, drive architecture and best practices, and mentor a small team. Node.js or C#/.NET and cloud experience are pluses.

API AWS Azure CI/CD Cloud +9 skills

Oscar Associates Limited

Applied AI Engineer

Hybrid (2 days/week in-office) role in Nottingham designing and building AI-powered features inside an existing C#/.NET platform — integrating LLMs, RAG pipelines, and Azure-based backend services for a UK software product company. Salary up to £80,000.

AI API Azure Cloud C# +12 skills