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Role Overview We are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start. Key Responsibilities • Design, develop, and maintain backend services and APIs ...

Our developers care deeply about quality, detail, and craft and we’re looking for someone who shares that mindset. You’ll be responsible for shaping your workload, managing priorities directly with client teams as their primary solo developer and representing UWP with confidence and clarity. Lea

This is a full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Daily tasks will include reviewing and optimizing contract performance, conducting code audits to ensure security and ef

This is a fully remote contract role with an immediate start.

Senior Algo Developer (Java, Low Latency, FX) 1-year Contract - Inside IR35 - £920 per day - Hybrid working/ London. Senior Algo Developer (Java, Low Latency, FX) 1-year Contract - Inside IR35 - £920 per day - Hybrid working/ London. Tenure as a Senior Java Developer - Essential.

A leading cloud and engineering consultancy is seeking a Senior Java/React Full Stack Developer for a contract role.

We’re looking for a highly competent Full Stack Web Developer to join us.

A leading consultancy in the United Kingdom is seeking a Senior Software Developer to work on backend systems. This is a 6-month rolling contract with some onsite requirements in Cheltenham or Milton Keynes.

A technology consultancy firm is seeking a NodeJS Developer for an initial 6-12 month contract, starting January 2026.

Solidity Smart Contract Developer (Oracle). Design, develop, and audit blockchain smart contracts, ensuring security and scalability. Collaborate with the Java backend team to integrate and test contracts with business systems.

Embedded Software Engineer/ Consultant.As an Embedded Software Engineer, you will get to tackle diverse, real-world challenges.Typically, this will involve going through the whole product life cycle, you will capture requirements, design, develop, document, test, and deliver through to production.My

We’re looking for a front-end developer who’s motivated, curious, and excited to create impactful e-commerce experiences.

Agent Software Engineer | Series C AI Scale-Up | Onsite, London (5 days/week).Series C conversational AI scale-up.Bain Capital Ventures, Accel, and a16z) is expanding into London, joining existing offices in San Francisco and New York.Their platform enables major global brands to deliver human-like

Are you a veteran developer who still loves being "hands-on"?. Leading the design of robust functionality, including developer-friendly APIs, intricate domain modeling, and data integrations.

London office available for optional in person collaboration.We’re looking for an experienced.Financial Services Regulatory Compliance platform.This is a hands on role where you’ll work across the stack, leading frontend development with React and Next.Python (FastAPI) backend that powers AI dri

Location: Leicester / Hybrid - One day per week in the office.Synchro is partnered with a renowned Retail Motor Vehicle company, who are experts in the niche specialist market, delivering customers a wide array of offerings, including new vehicle sales, certified pre-owned vehicles, and exceptional

Forward Deployed Engineer – AI & Customer-Facing Technical Leader.Customer visits 4–5 days/month; occasional team gatherings.Senior: €130–150k base + growth trajectory.Principal: €160–200k base + package discussion.Python, JavaScript, Azure, AWS, AI, LLM's, RAG.We’re looking for talent

What’s in it for you, as the Senior Software Developer (HW/SW):. What will you be doing as a Senior Software Developer?.

Practical experience interacting with Solidity smart contracts (not just high-level). We’re working with a crypto-native DeFi trading platform, backed by a leading digital assets firm (client name kept confidential), to hire a Senior Backend Developer. This is a hands-on role covering backend engi

We are looking for someone with good depth of experience who can help contribute towards our test automation framework that fits between unit test coverage and the manual testing that we currently have in place.The purpose of the role is to reduce our manual testing overhead by developing robust tes

The Senior ServiceNow Developer will take a. Delegate and oversee development tasks across junior and mid-level developers.

Effra Software Engineer - London.Our founding team met while building the GoCardless product (a UK fintech unicorn).We left to create Effra which is dropping AI into the heart of finance in the healthcare industry.We use AI and RPA to automate the process of billing and getting paid by health insure

To professionalise our product development and continue our growth path, we are currently looking for a senior backend developer.

This innovative AI startup is redefining safety and reliability in AI models.While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds.AI outputs are trustworthy and compliant.Working with high-profile, they’re building AI models that ca

The business is scaling multiple engineering teams and is looking to bring in highly experienced contract Software Engineers to support complex, high-impact delivery.

Junior Core Java Developer – Trading. Core Java Developer to join a well known trading firm. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion for solving engineering problems and delivering business functionali

This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems.We are looking for an engineer with a strong background in the C#.NET ecosystem, and a preference for candidates with significant experie

If you are a talented principal software developer possessing all of the requisite skills, seeking an opportunity to join our fast-paced start-up, please apply.

Base Salary + Discretionary Bonus + Equity.We are a stealth-mode AI laboratory researching and developing Machine Learning models.The founding team consists of Cambridge graduates and former engineers at Google, Meta, Bloomberg, Microsoft and Amazon.We are backed by prominent investors from the US a

Medical Devices | High Salary or High-Rate Contract | Kent | Hybrid.

Junior Big Data Developer (Python & SQL Focus) 📊.

Contribute to internal documentation and developer-facing resources.

We are seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. Collaborate with quantitative analysts and model developers to integrate risk models into production sys

Our cloud‑native platform unifies sales, supplier contracting, dynamic pricing, and on‑trip operations—everything from the first quote to the traveller’s safe return.

The purpose of this role is to understand and solve complex business problems and challenges through the design and development of software applications, services and components; ensuring high performance, reliability, and security.This role will contribute directly towards exciting technology oppor

Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product.This is a rare opportunity to take ownership of

We’re on the lookout for a talented and experienced Senior Software Engineer to join our team.You’ll play a pivotal role in solving technical challenges, developing new features, and ensuring the smooth operation of our platform.If you're looking for a role where you can leverage your technical

NET / React Developer to strengthen their in-house engineering team.

Embedded Software Engineer - High-Performance Automotive & Motorsport Systems.Our client is a specialist engineering organisation operating at the sharp end of high-performance automotive and motorsport technology.Their systems are used in some of the most demanding, performance-critical vehicle pro

The purpose of this role is to understand and solve complex business problems and challenges through the design and development of software applications, services and components; ensuring high performance, reliability, and security.This role will contribute directly towards exciting technology oppor

Join a dynamic, forward-thinking organisation at the forefront of advanced engineering and manufacturing.With a global presence and a growing UK footprint, this company is renowned for pushing boundaries and delivering innovation across high-impact sectors.A cutting-edge engineering company is devel

Front End JavaScript Developer. As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. Identify and collaborate with senior developers to address complex problems and implement effective solutions.

The Junior ServiceNow Developer will support the design, development, and testing of ServiceNow CMS and Service Portal solutions within a regulated retail environment. The role is delivery-focused, working under the guidance of senior developers and architects, and adhering to established change and

We’re looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise.You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play a key role in sha

We’re looking for a front-end developer who’s motivated, curious, and excited to create impactful e-commerce experiences.

Automation Engineer (Advanced Anti Bot and Captcha Handling).We are looking for an Automation Engineer with deep experience working around complex anti bot environments.This includes understanding how platforms like Cloudflare, DataDome, Akamai, Perimeter, Imperva, reCAPTCHA, and other captcha syste

An innovative technology company working at the forefront of wireless and intelligent systems is seeking an.The organisation develops advanced solutions used to test, analyse, and optimise next-generation communication technologies.This role offers the opportunity to work on applied AI and machine l

Software Engineer to help build the software stack that powers next-generation quantum hardware.In this role, you will develop software that orchestrates and controls the full quantum hardware stack - from.You will work at the intersection of software engineering, quantum physics, and advanced hardw