Contract developer jobs in Borehamwood - Page 2Create job alerts

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. Proficiency in Solidity, Vyper, or other smart contract programming languages.

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

ServiceNow SecOps Developer (Inside IR35).

Location : Stratford, UK (3 Days Onsite is required).Angular front end development experience with minimum 8 years of experience.Experience in building high performance front ends that can do high volume.Responsible for looking at the current code and identifying opportunities for improving performa

ServiceNow SPM Developer (Inside IR35).

Salesforce Developer - Apex, Lightning Web Components. We're partnering with a leading organisation to hire a Salesforce Developer to work on large-scale, enterprise Salesforce implementations. Salesforce Platform Developer II certification.

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

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

Lead on assigned development projects, making technical recommendations, flagging risks, and supporting other developers when needed. Location: 1 day remote + 1 day on-site in London Contract: Freelance, approx. Reports to: Technical Lead

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

A marketing firm in the United Kingdom is seeking an experienced SharePoint Developer for a short-term contract role lasting 2-4 weeks.

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

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.

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.

Solidity Smart Contract Developer (Oracle). Collaborate with the Java backend team to integrate and test contracts with business systems. Research security vulnerability prevention for contracts and write technical documentation and deployment specifications.

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

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

По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые.Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в н

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning!.London Office - 1-2 days a week.Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer-focused products using Python?.Do you align with their pr

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.

This is a hands-on role covering backend engineering, smart contract integration, and trading-adjacent systems, working closely with experienced engineers, product, and UX in a fast-moving, production-focused environment. Working directly with EVM smart contracts at an application level. Practical e

Aveni is redefining how financial institutions use AI.We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows.We have been recognised as Fintech of the Year for two co

Mentoring & Team Leadership - Support junior developers and foster knowledge sharing within the team.

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

Do you thrive on building scalable solutions that power commerce worldwide?.We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition.They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need except

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

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

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.

Long-term commitment, not contract churn.

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

The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications.This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice.You will be r

SnapSea is a Visual Marketing platform based in London that helps destinations, tourist boards, and hospitality brands source and manage user-generated content (UGC) for use in marketing campaigns.We are a fast-growing start-up recognised by both the Canadian and UK governments and we are rapidly ex

Software Engineer - Onsite, Oxford.Our client is a pioneering company developing cutting-edge software platforms that enable process optimisation and automation in additive manufacturing and beyond.Design, develop, and maintain novel software platforms for:.Data management, traceability, visualisati

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

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus. Python/Golang/Rust Developer - Digital Assets arm of Global Hedge Fund - Up to £200k base + Bonus.

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection.You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities

The purpose of this role is to solve complex business problems and technical challenges through the design and development of software applications and services.This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice.

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

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

Focus on code readability and documentation, simplifying onboarding for new developers navigating complex system structure.

Java developer with genuine legacy Java EE experience. Contract or consulting preferred.