IT field. 10-15 years of extensive software development experience. Strong proficiency in Java-class creation, JVM internals, garbage collection-with certifications preferred. Proficiency in SQL (Oracle, MS SQL, PostgreSQL), including stored procedures; certifications preferred. Expertise in Linux command-line scripting (bash) and system administration. Hands-on experience developing low-latency, high-throughput Java components. Practical experience building cash equity More ❯
Farnborough, Hampshire, South East, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
/or under supervision. Effective communication It would be beneficial if you had: C/C++ experience Perl, Python, and/or bash Scripting experience Database skills: Oracle or Postgres Experience of Microsoft tools that support the design of solutions, e.g. Visio Clearance Requirements: You will be required to gain UK SC (Security Clearance) for this role. To be eligible More ❯
AI tools in building agents, using for reviews and generating skeleton code. Experience with performance/scalability testing of backend systems and APIs. Experience testing applications that interact with PostgreSQL or similar databases, including writing queries for validation and verifying data integrity. Experience testing applications running in Kubernetes environments. Familiarity with using monitoring and observability tools like Grafana to support More ❯
or JetBrains Rider, and skilled in using ReSharper for code quality and refactoring. Familiarity with AI-assisted tools like GitHub Copilot and Claude Code. Skilled with relational databases (e.g., PostgreSQL) and CI/CD pipelines using modern DevOps toolchains. Demonstrated leadership and mentoring skills with the ability to influence architecture and cross-functional decisions. Pragmatic, strategic, and hands-on problem More ❯
IR35 6months + contract Sheffield - 3 days a week onsite 5+ years of development experience with a strong focus on large-scale, distributed systems. Proficient in Python, Golang and PostgreSQL . Experience with Liquibase or similar tools for database change management and version control. Hands-on experience with AWS/GCP , including cloud-native services, storage, IAM, and KMS. Familiarity More ❯
backend language: Java or Python preferred. Experience working with Git for version control. Solid understanding of Linux systems for server management and deployment. Experience with database management (e.g., MySQL, PostgreSQL) is a plus. Strong problem-solving skills and ability to optimize performance. Familiarity with cloud platforms and containerization (e.g., Docker) is a plus What they offer? Be part of a More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Interquest
to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python GCP, AWS Kubernetes, Docker, ECS FastAPI, Django PostgreSQL, MongoDB Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share options and private healthcare. If you're interested and More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
InterQuest Group (UK) Limited
to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python GCP, AWS Kubernetes, Docker, ECS FastAPI, Django PostgreSQL, MongoDB Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share options and private healthcare. If you're interested and More ❯
OIR35) Rate: £325-400 p/day Key Responsibilities: Designing and maintaining scalable ETL/ELT pipelines . Integrating data from multiple sources into a centralised warehouse (SQL Server, PostgreSQL, or Snowflake). Working with Azure Data Factory and cloud-native tooling for data orchestration. Structuring data models to support Power BI dashboards and reports. Implementing data governance, quality frameworks More ❯
are performant, user-friendly, and scalable. Key Skills: Strong hands-on experience with Power BI (DAX, Power Query, data modelling). Proficiency in SQL and relational databases (SQL Server, PostgreSQL, MySQL). Understanding of data warehousing and ETL concepts . Familiarity with Azure Data Platform (e.g. ADF, Synapse, Data Lake) or other cloud equivalents (AWS/GCP). Experience implementing More ❯
Leeds, West Yorkshire, England, United Kingdom Hybrid / WFH Options
Lorien
LLMs and ML services (e.g., OpenAI, AWS Bedrock), supporting prompt engineering, embeddings, and vector databases. Data Engineering: Handle structured and unstructured data, build ingestion pipelines, and design efficient schemas (Postgres/NoSQL). Architecture & Design: Influence technical decisions and contribute to scalable, modular system design. Code Quality: Promote best practices in testing, CI/CD, code reviews, and documentation. Innovation More ❯
St. Albans, Hertfordshire, England, United Kingdom Hybrid / WFH Options
Avanti
C# WebSockets and real-time data processing API development and strong problem-solving ability Remote working experience with excellent communication skills Desirable Node.js React/Next.js AWS and Kubernetes PostgreSQL, Redis (caching) Candidate Profile Mid-level Self-motivated, proactive, and able to work independently Comfortable in a remote-first culture Important to Note: Some of the client’s projects involve More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Fynity
Oriented Programming MVC Java frameworks (ideally Spring/Jakarta EE/Grails) Frontend: JavaScript, jQuery, HTML CSS REST web services ORM (e.g. Hibernate) Working knowledge of Linux MySQL or PostgreSQL You should also bring: Strong problem-solving and communication skills Ability to work independently as well as collaboratively in a dispersed team Comfort working on complex, sometimes undocumented code Key More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Equals One Ltd
Next.js or other modern front-end frameworks Experience with headless CMS platforms, ideally Payload CMS Understanding of CICD-based deployment processes Familiarity with CRM systems, particularly HubSpot Knowledge of PostgreSQL or similar relational databases Experience integrating websites with marketing automation tools A portfolio showcasing relevant commercial or personal projects Familiarity with Figma for design handoff and collaboration Experience using Jira More ❯
Platform: Databricks, Snowflake, BigQuery Data Engineering tools: Pyspark, Polars, DuckDB, Malloy, SQL Infrastructure-as-code: Terraform, Pulumi Data Management and Orchestration: Airflow, dbt Databases and Data Warehouses: SQL Server, PostgreSQL, MongoDB, Qdrant, Pinecone GenAI: OpenAI APIs, HuggingFace, LangChain, Talk-to-data Monitoring: Datadog About You We are looking for someone who can wear two hats - the data architect and the More ❯
teams where necessary Your experience It'd be great if you have experience with: Backend technologies (e.g. Node.js, Go, Rust, etc.) Relational and Non-relational databases (e.g. ElasticSearch, Redis, PostgreSQL, etc.) System architecture approaches (e.g. microservices, event sourcing, serverless, CQRS ) Virtualisation and orchestration tools (e.g. VMs, Docker, Kubernetes, etc.) and infrastructure as code (e.g. Terraform, Pulumi) Test automation following Test More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
Solid grasp of AWS (API Gateway, Lambda, S3, VPC) Familiarity with Java, DB2, relational databases, and network concepts Desirable experience includes: OpenAPI schemas, Kubernetes, Spring Boot, JBOSS/EJB, Postgres, Python Prior work within UK government departments Ability to mentor and lead technical teams This is a key role in a multi-disciplinary agile team, contributing to high-level and More ❯
and settlement as well as capital markets system integration will be a very useful complement to the above. 2. Key technology used Primary: Java 8+ Secondary: Spring FIX Hibernate (Postgres) Sockets Linux Maven AWS/Cloud deployment SVN/GIT EPL (Esper) JMS (ActiveMQ) 3. Methodology Agile/Scrum Continuous integration Test automation TDD 4. Requirements Must have Core Java More ❯
and reliability. Innovate : Explore emerging tech (including AI) and integrate customer feedback to evolve our quoting process. Tech you'll be working with: Frontend : Next.js, React (Native), Typescript Backend : PostgreSQL, Vercel DevOps : CI/CD, Kubernetes, GitHub AI/LLM : Integrating intelligent tooling to enhance automation and UX What they are looking for: A strong coder with a collaborative mindset More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Client Server
scalable systems You have Python, Java or Scala coding skills You have experience with Kafka for data streaming including Kafka Streams and KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch/streaming ETL/ELT patterns You're collaborative More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
scalable systems You have Python, Java or Scala coding skills You have experience with Kafka for data streaming including Kafka Streams and KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch/streaming ETL/ELT patterns You're collaborative More ❯
versions of C# .Net (6-9) Experience of active involvement in the technical design of web applications. Experience developing with Cloud Services, preferably in AWS Experience with databases preferably PostgreSQL Experience of working with Agile methodologies Experience of working with CI/CD Strong Communication Skills - Both written and verbal Demonstrated ability to deal well with ambiguous/undefined problems More ❯
with microsecond-level performance requirements Cloud Platforms: Hands-on experience with AWS and or Azure, including managed services for data processing and storage Databases: Deep knowledge of both transactional (PostgreSQL, SQL Server) and analytical databases (ClickHouse, MongoDB, etc.), with particular emphasis on time-series data. Additional experience that would be useful but not required includes Kubernetes, pricing & risk engines, working More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
Bondsmith Savings Ltd
Experience with at least one cloud platform, ideally AWS Working knowledge of infrastructure tooling e.g. Docker, Kubernetes Some experience with front end development, e.g. React Strong experience working with PostgreSQL or similiar, including performance tuning and query optimisation (Desirable) Experience working in fintech (Desirable) Experience in API-driven SaaS. Ideally you would be: Confident, and able to take initiative in More ❯