developrec

About the Company

Welcome to develop.

We are a leading contributor to the software engineering community and a disruptive recruitment business comprised of eight specialised brands: develop .NET, develop Java, develop Python, develop PHP, develop JavaScript, develop DevOps, develop Change, and develop Technology.

At develop, we scale the software engineering teams that shape our world. Our commitment to quality is reflected in our three key USPs:

1. Specialised Knowledge: All our Consultants learn to code in the language they recruit for.
2. Technical Validation* Each candidate we represent is technically tested using IKM.

3. Collaborative Integration: All clients receive a Slack collaboration channel built directly into our business.

We listened to our market's needs and responded with a range of recruitment products designed to deliver solutions, improve quality, reduce time-to-hire, and save money.

Partnering with the world’s most innovative businesses, we offer product-based solutions for both permanent and contract recruitment objectives. Our teams are talented, and our processes are sophisticated.

Are you looking for a Software Engineer to join your team? Or are you seeking a new role? Please feel free to send us a message.

Listed Jobs

Company Name

developrec

Job Title

Machine Learning Engineer

Job Description

Job title: Machine Learning Engineer Role Summary: Design, develop, and deploy on‑device machine learning and large‑language‑model (LLM) driven features for a privacy‑first wellness platform. Work closely with mobile (iOS/Android) teams to optimise model latency and performance while ensuring data remains on device. Expectations: - Drive end‑to‑end ML solutions from concept to production in an early‑stage startup environment. - Own model development, prompt engineering, and privacy‑preserving pipelines. - Influence the AI strategy and product roadmap from day one. Key Responsibilities: - Design and test LLM prompts, schemas, and conversational flows for cloud and edge use. - Develop on‑device recommendation and personalization models using Core ML, TensorFlow Lite, or equivalent. - Build and maintain privacy‑preserving ML pipelines that keep user data local. - Collaborate with iOS/Android engineers to optimize model size, inference speed, and battery usage. - Conduct experimentation, A/B testing, and iterate on model performance and user experience. - Evaluate emerging on‑device LLM capabilities and integrate suitable technologies. - Contribute to product strategy and communicate technical trade‑offs to stakeholders. Required Skills: - Proven commercial experience in machine learning model development and deployment. - Strong expertise in prompt engineering and large‑language‑model integration. - Hands‑on experience with Core ML, TensorFlow Lite, or similar on‑device frameworks. - Deep understanding of personalization, recommendation, and content adaptation systems. - Advanced proficiency in Python and ML tools (PyTorch, Scikit‑learn, etc.). - Knowledge of privacy‑preserving ML techniques (e.g., differential privacy, on‑device inference). - Ability to work independently, take ownership, and thrive in a fast‑moving startup context. Required Education & Certifications: - Bachelor’s (or higher) degree in Computer Science, Data Science, Machine Learning, or related field. - Relevant certifications in ML or AI (e.g., TensorFlow Developer Certificate) are a plus.;

Southampton, United kingdom

Hybrid

19-01-2026

Company Name

developrec

Job Title

Senior Software Engineer

Job Description

Job Title: Senior Software Engineer Role Summary: 12-month contract for expert Go engineers to develop high-throughput backend systems for a sports betting platform. Remote-first with optional London office collaboration. Expectations: Expert Go proficiency, cloud deployment experience (Azure/AWS), and backend system optimization in fast-paced, collaborative environments. Key Responsibilities: Designing/developing mission-critical microservices, migrating cloud infrastructure (Azure → AWS), optimizing database performance (Postgres/MongoDB), troubleshooting backend scalability challenges. Required Skills: Expert-level Go, concurrency/multithreading, Kubernetes, microservices architecture, cloud deployment (Azure or AWS), database technologies (Postgres, MongoDB). Required Education & Certifications: Bachelor’s degree in computer science or equivalent; experience in sports betting or financial technology preferred but not mandatory.

United kingdom

Remote

Senior

28-01-2026

Company Name

developrec

Job Title

Back End Developer

Job Description

**Job Title:** Back End Developer (Backend Engineer – .NET) **Role Summary:** Contract .NET backend engineer responsible for designing, building, and scaling high‑performance APIs and services for a cloud‑based platform. Works collaboratively with front‑end engineers, product managers, and stakeholders to deliver robust, production‑ready code in a fast‑paced environment. **Expectations:** - Deliver clean, testable, production‑ready .NET code from day one. - Contribute to architecture decisions and system design. - Quickly diagnose and resolve performance, reliability, and availability issues. - Collaborate effectively across multidisciplinary teams. **Key Responsibilities:** - Design and implement scalable backend services and APIs using C#/.NET (6‑10). - Develop and maintain microservices with OpenAPI/Swagger specifications. - Write and maintain reusable components and libraries. - Debug, troubleshoot, and optimise existing backend systems. - Integrate third‑party APIs, including Microsoft Graph and Microsoft 365. - Manage data persistence with SQL Server and Azure Cosmos DB. - Participate in cloud deployment and operations on Azure (or AWS/GCP). **Required Skills:** - Strong C#/.NET development (experience with .NET 6‑10). - Proven experience building APIs and microservices (OpenAPI/Swagger). - Proficiency with SQL Server and Azure Cosmos DB. - Familiarity with Microsoft Graph API and Microsoft 365 integrations. - Experience integrating external third‑party APIs. - Cloud platform knowledge (Azure preferred; AWS/GCP acceptable). - Ability to work under tight deadlines in a delivery‑focused setting. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience). - Relevant certifications (e.g., Microsoft Certified: Azure Developer Associate) are advantageous but not mandatory.

London, United kingdom

Hybrid

05-02-2026

Company Name

developrec

Job Title

Lead Software Engineer

Job Description

**Job Title** Lead Software Engineer **Role Summary** Lead Full‑Stack Engineer responsible for architectural oversight, hands‑on development, and mentoring. Drives technical excellence across front‑end, back‑end, and data infrastructure within a rapidly scaling SaaS property data platform. **Expectations** - 7+ years of professional software engineering experience. - 2–3+ years in a Lead, Staff, or Senior‑level role. - Proven track record building and scaling SaaS platforms. - Demonstrated experience in architectural decision‑making and system design initiatives. - Strong full‑stack proficiency using modern JavaScript/TypeScript stacks. **Key Responsibilities** - Provide architectural oversight for front‑end, back‑end, and data layers. - Set and enforce engineering standards, ensuring scalability, reliability, and maintainability. - Lead complex system design discussions, balancing speed, scope, and long‑term scalability. - Shape the technical roadmap in partnership with product, design, and data leaders. - Design and ship high‑quality front‑end features with React (Vite) and Tailwind. - Develop type‑safe APIs using Node.js, Express, and tRPC. - Optimize and maintain PostgreSQL databases and query performance. - Collaborate with data teams on Elasticsearch‑driven architecture. - Own end‑to‑end delivery of complex features from discovery through deployment and monitoring. - Mentor and coach senior and mid‑level engineers through pairing, code reviews, and career development. - Foster a high‑performance engineering culture of ownership and continuous improvement. - Translate technical challenges into clear, actionable insights for non‑technical stakeholders. **Required Skills** - Architectural design and system‑level decision making. - Full‑stack development: React, Vite, Tailwind, Node.js, Express, tRPC. - Database expertise: PostgreSQL, Elasticsearch. - Proven experience with scalable SaaS architecture, API design, and performance tuning. - Strong communication, mentoring, and cross‑functional collaboration. - Ability to influence product decisions through technical insight. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent professional experience).

London, United kingdom

Hybrid

Senior

24-02-2026